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-rwxr-xr-xtest/Available-Testprog75
-rwxr-xr-xtest/Execute-Tests48
-rw-r--r--test/Makefile10
-rw-r--r--test/Test-Order42
-rw-r--r--test/all-in-place.ok29
-rwxr-xr-xtest/all-in-place.test126
-rw-r--r--test/bmp-quant-roundtrip.ok6
-rwxr-xr-xtest/bmp-quant-roundtrip.test36
-rw-r--r--test/bmp-roundtrip.ok20
-rwxr-xr-xtest/bmp-roundtrip.test41
-rw-r--r--test/cut-cat-roundtrip.ok92
-rwxr-xr-xtest/cut-cat-roundtrip.test128
-rw-r--r--test/enlarge-reduce-roundtrip.ok17
-rwxr-xr-xtest/enlarge-reduce-roundtrip.test34
-rw-r--r--test/fiasco-roundtrip.ok1
-rwxr-xr-xtest/fiasco-roundtrip.test23
-rw-r--r--test/g3-roundtrip.ok16
-rwxr-xr-xtest/g3-roundtrip.test51
-rw-r--r--test/gif-quant-roundtrip.ok2
-rwxr-xr-xtest/gif-quant-roundtrip.test2
-rw-r--r--test/gif-roundtrip.ok13
-rwxr-xr-xtest/gif-roundtrip.test105
-rwxr-xr-xtest/jbig-roundtrip.test1
-rw-r--r--test/jpeg-roundtrip.ok3
-rwxr-xr-xtest/jpeg-roundtrip.test19
-rw-r--r--test/jpeg2k-roundtrip.ok1
-rwxr-xr-xtest/jpeg2k-roundtrip.test7
-rw-r--r--test/legacy-names.ok14
-rwxr-xr-xtest/legacy-names.test80
-rw-r--r--test/palm-roundtrip.ok11
-rwxr-xr-xtest/palm-roundtrip.test39
-rw-r--r--test/palm-roundtrip2.ok5
-rwxr-xr-xtest/palm-roundtrip2.test31
-rw-r--r--test/pamcut.ok15
-rwxr-xr-xtest/pamcut.test35
-rw-r--r--test/pamenlarge-pamscale-point.ok9
-rwxr-xr-xtest/pamenlarge-pamscale-point.test36
-rw-r--r--test/pamenlarge-pbm.ok86
-rwxr-xr-xtest/pamenlarge-pbm.test61
-rw-r--r--test/pamfile.ok7
-rwxr-xr-xtest/pamfile.test7
-rw-r--r--test/pamfind.ok83
-rwxr-xr-xtest/pamfind.test32
-rw-r--r--test/pamgauss.ok (renamed from test/ppmgauss.ok)72
-rwxr-xr-xtest/pamgauss.test (renamed from test/ppmgauss.test)2
-rw-r--r--test/pammixmulti-identity.ok22
-rwxr-xr-xtest/pammixmulti-identity.test77
-rw-r--r--test/pamscale-filters1.ok15
-rwxr-xr-xtest/pamscale-filters1.test64
-rw-r--r--test/pamscale-filters2.ok24
-rwxr-xr-xtest/pamscale-filters2.test97
-rw-r--r--test/pamscale-filters3.ok7
-rwxr-xr-xtest/pamscale-filters3.test32
-rw-r--r--test/pamscale-reportonly.ok18
-rwxr-xr-xtest/pamscale-reportonly.test35
-rw-r--r--test/pamstretch.ok20
-rwxr-xr-xtest/pamstretch.test48
-rw-r--r--test/pamtable.ok66
-rwxr-xr-xtest/pamtable.test20
-rw-r--r--test/pamtopdbimg.ok20
-rwxr-xr-xtest/pamtopdbimg.test95
-rw-r--r--test/pbmtext-bdf.ok21
-rwxr-xr-xtest/pbmtext-bdf.test169
-rw-r--r--test/pbmtext-iso88591.ok4
-rwxr-xr-xtest/pbmtext-iso88591.test46
-rw-r--r--test/pbmtext-utf8.ok8
-rwxr-xr-xtest/pbmtext-utf8.test95
-rw-r--r--test/pbmtext.ok37
-rwxr-xr-xtest/pbmtext.test92
-rw-r--r--test/pbmtog3.ok1
-rwxr-xr-xtest/pbmtog3.test10
-rw-r--r--test/pdb-roundtrip.ok18
-rwxr-xr-xtest/pdb-roundtrip.test55
-rw-r--r--test/pgmnoise.ok1
-rw-r--r--test/pgmnoise.rand-ok3
-rwxr-xr-xtest/pgmnoise.test22
-rw-r--r--test/pnmpaste-pbm.ok22
-rwxr-xr-xtest/pnmpaste-pbm.test47
-rw-r--r--test/pnmpsnr.ok9
-rwxr-xr-xtest/pnmpsnr.test11
-rw-r--r--test/pnmquantall.ok5
-rwxr-xr-xtest/pnmquantall.test27
-rw-r--r--test/pnmtile.ok2
-rwxr-xr-xtest/pnmtile.test2
-rw-r--r--test/ppmbrighten.ok6
-rwxr-xr-xtest/ppmbrighten.test4
-rw-r--r--test/ppmchange.ok9
-rwxr-xr-xtest/ppmchange.test41
-rw-r--r--test/ppmforge.ok1
-rw-r--r--test/ppmforge.rand-ok3
-rwxr-xr-xtest/ppmforge.test17
-rw-r--r--test/ppmhist.ok14
-rwxr-xr-xtest/ppmhist.test21
-rw-r--r--test/ppmpat-random.rand-ok7
-rwxr-xr-xtest/ppmpat-random.test22
-rw-r--r--test/ppmpat.ok6
-rwxr-xr-xtest/ppmpat.test38
-rw-r--r--test/ppmrough.ok1
-rw-r--r--test/ppmrough.rand-ok3
-rwxr-xr-xtest/ppmrough.test15
-rw-r--r--test/ps-flate-roundtrip.ok3
-rwxr-xr-xtest/ps-flate-roundtrip.test48
-rw-r--r--test/ps-roundtrip.ok1
-rwxr-xr-xtest/ps-roundtrip.test14
-rw-r--r--test/rgb3-roundtrip.ok2
-rwxr-xr-xtest/rgb3-roundtrip.test2
-rw-r--r--test/symmetry.ok6
-rwxr-xr-xtest/symmetry.test8
-rw-r--r--test/targa-roundtrip.ok40
-rwxr-xr-xtest/targa-roundtrip.test82
-rw-r--r--test/testrandom.c30
-rw-r--r--test/tiff-flate-lzw-roundtrip.ok7
-rwxr-xr-xtest/tiff-flate-lzw-roundtrip.test34
-rw-r--r--test/tiff-roundtrip.ok34
-rwxr-xr-xtest/tiff-roundtrip.test104
-rw-r--r--test/tiffcmyk-roundtrip.ok5
-rwxr-xr-xtest/tiffcmyk-roundtrip.test42
-rwxr-xr-xtest/utahrle-roundtrip.test1
118 files changed, 3220 insertions, 391 deletions
diff --git a/test/Available-Testprog b/test/Available-Testprog
new file mode 100755
index 00000000..8176b57a
--- /dev/null
+++ b/test/Available-Testprog
@@ -0,0 +1,75 @@
+#! /bin/bash
+
+# If make target is "check-install" assume that all programs are available
+if [ "${CHECK_TYPE}" = "install" ]; then
+  exit 0
+fi
+
+# Special case: no arguments were passed to this program
+# For all-in-place.test and legacy-names.test
+
+if [ $# = 0 ]; then
+  exit 0
+fi
+
+# Normal operation: Walk through the argument list and exit if an
+# unavailable program is encountered.
+
+# See http://netpbm.sourceforge.net/prereq.html and the makefiles in
+# each directory (for example converter/other/Makefile) for library
+# requirements and relevant variables.
+
+for i in $@
+    do
+    case $i in
+      fiascotopnm|\
+      pnmtofiasco)
+        [ "${BUILD_FIASCO}" = "N" ] && exit 1 ;;
+
+      jpeg2ktopam|\
+      pamtojpeg2k)
+        [ "${JASPERLIB}" = "NONE" ] && exit 1 ;;
+
+      jbigtopnm|\
+      pnmtojbig)
+        [ "${JBIGLIB}" = "NONE" ] && exit 1 ;;
+
+      jpegtopnm|\
+      pnmtojpeg|\
+      ppmtojpeg)
+        [ "${JPEGLIB}" = "NONE" ] && exit 1 ;;
+
+      pamtotiff|\
+      pnmtotiff|\
+      pnmtotiffcmyk|\
+      tifftopnm)
+        [ "${TIFFLIB}" = "NONE" -o \
+          "${JPEGLIB}" = "NONE" -o \
+          "${ZLIB}" = "NONE" ] && exit 1 ;;
+
+      pnmtorle|\
+      rletopnm)
+        [ "${URTLIB}" = "NONE" ] && exit 1 ;;
+
+      pamx)
+        [ "${X11LIB}" = "NONE" ] && exit 1 ;;
+
+      svgtopam)
+        [ "${XML2_LIBS}" = "NONE" ] && exit 1 ;;
+
+      thinkjettopbm)
+        [ -z "${LEX}" ] && exit 1 ;;
+
+      zlib)
+        [ "${ZLIB}" = "NONE" ] && exit 1 ;;
+
+    esac
+done
+
+# All checks passed.  Exit with success status.
+exit 0
+
+
+# TODO: We don't have a good method for testing whether PNGLIB is
+# available for linking.
+# Affected programs: pamtopng, pngtopam, pngtopnm, pnmtopng
diff --git a/test/Execute-Tests b/test/Execute-Tests
index 78091e6b..7a65d51f 100755
--- a/test/Execute-Tests
+++ b/test/Execute-Tests
@@ -180,7 +180,8 @@ elif [ $VALGRIND_TESTS = "on" ]
   vg_command_base="valgrind --trace-children=yes";
 
   for i in awk cat cksum cmp cp cut date dirname egrep fgrep file grep gs \
-    head mkdir mktemp perl rm sed seq sh tee testrandom tr uniq
+    head iconv mkdir mktemp perl rm sed seq sh tee testrandom tr uniq \
+    Available-Testprog
 
     # Tell valgrind not to probe execution of the above programs.
 
@@ -236,19 +237,38 @@ if [ $VALGRIND_TESTS = "on" ]
 fi
 
 # Execute a single test and test its result.
-
-PATH=${testpath} $vg_command ${srcdir}/$tname > ${tname%.test}.out;
-let result=$?
-case $result in
-0)   cmp -s ${tname%.test}.out ${srcdir}/${tname%.test}.ok ;
-     if [ $? -eq 0 ]
-        then let result=0;  rm  ${tname%.test}.out ;
-        else let result=1;
-             grep "^##" ${srcdir}/$tname  # Print failure message.
-     fi ;;
-80) let result=4 ;;
-*)  let result=1 ;;
-esac
+# But first check if the .ok file exists.  (Some .ok files are
+# dynamically created.)  Then see if target programs and requirements
+# are in place.  If either of these conditions are not met, do
+# not execute the test and report "Not Testable".
+
+if [ ! -s ${srcdir}/${tname%.test}.ok ]
+then
+  let result=4;
+else
+  ${srcdir}/Available-Testprog \
+    `sed -n -e '/^# This script tests: /s/# This script tests: //p' \
+            -e '/^# Also requires: /s/^# Also requires: //p' \
+            -e '/^$/q' ${srcdir}/$tname | tr '\n' ' '`
+  case $? in
+  0)
+    PATH=${testpath} $vg_command ${srcdir}/$tname > ${tname%.test}.out;
+    let retval=$?
+    case $retval in
+    0)   cmp -s ${tname%.test}.out ${srcdir}/${tname%.test}.ok ;
+         if [ $? -eq 0 ]
+            then let result=0;  rm  ${tname%.test}.out ;
+            else let result=1;
+                 grep "^##" ${srcdir}/$tname  # Print failure message.
+         fi ;;
+    80) let result=4 ;;
+    *)  let result=1 ;;
+    esac ;;
+  
+  1)   let result=4 ;;
+  *)   let result=1 ;;
+  esac
+fi
 
 # Report whether a single test succeeded or failed.
 # Increment counters.
diff --git a/test/Makefile b/test/Makefile
index 9b7ab047..c640dfff 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -10,7 +10,9 @@ MERGE_OBJECTS =
 
 PROGS = testrandom
 
-all: $(PROGS)
+OKSTOGENERATE = $(patsubst %.rand-ok, %.ok, $(wildcard *.rand-ok))
+
+all: $(PROGS) $(OKSTOGENERATE)
 
 testrandom.o: testrandom.c
 	$(CC_FOR_BUILD) -c -o $@ $(CFLAGS_FOR_BUILD) $<
@@ -18,6 +20,10 @@ testrandom.o: testrandom.c
 testrandom: testrandom.o
 	$(LD_FOR_BUILD) -o $@ $(LDFLAGS_FOR_BUILD) $<
 
+RAND_VARIETY ?= $(shell ./testrandom -x)
+
+$(OKSTOGENERATE): %.ok: %.rand-ok testrandom
+	sed -n "/^$(RAND_VARIETY)|/s/^$(RAND_VARIETY)|//p" $< > $@
 
 OMIT_TEST_RULE = 1
 include $(SRCDIR)/common.mk
@@ -25,4 +31,4 @@ include $(SRCDIR)/common.mk
 distclean clean: cleanlocal
 .PHONY: cleanlocal
 cleanlocal:
-	rm -f $(PROGS)
+	rm -f $(PROGS) $(patsubst %.rand-ok,%.ok,$(wildcard *.rand-ok))
diff --git a/test/Test-Order b/test/Test-Order
index 92efca05..49eaeff2 100644
--- a/test/Test-Order
+++ b/test/Test-Order
@@ -1,4 +1,4 @@
-# General test
+# General tests
 
 all-in-place.test
 legacy-names.test
@@ -12,23 +12,29 @@ pamseq.test
 
 pbmpage.test
 pbmtext.test
+pbmtext-bdf.test
+pbmtext-iso88591.test
+pbmtext-utf8.test
 pbmupc.test
 pgmramp.test
-ppmgauss.test
+pamgauss.test
 ppmcie.test
 ppmwheel.test
 pamcrater.test
+ppmpat.test
 
 # Generators with random components
 
 pgmnoise.test
-ppmpat.test
+ppmpat-random.test
 ppmforge.test
 ppmrough.test
 
 # Analyzer tests
 
 pamfile.test
+pamfind.test
+pamtable.test
 pgmhist.test
 ppmhist.test
 pamsumm.test
@@ -53,15 +59,16 @@ pamcut.test
 pnmcat.test
 pamflip1.test
 pamflip2.test
-pamenlarge.test
 pnminvert.test
 pamchannel.test
 ppmchange.test
 pambackground.test
+pnmpaste-pbm.test
 
 pbmpscale.test
 pnmremap1.test
 pnmremap2.test
+pnmquantall.test
 pnmtile.test
 ppmbrighten.test
 ppmdither.test
@@ -71,7 +78,19 @@ ppmdim.test
 pnmshear.test
 pgmbentley.test
 
+pamenlarge.test
+pamenlarge-pbm.test
+
+pamscale-reportonly.test
+pamscale-filters1.test
+pamscale-filters2.test
+pamscale-filters3.test
+pamenlarge-pamscale-point.test
+
+pamstretch.test
+
 ppmmix.test
+pammixmulti-identity.test
 
 # Symmetry test
 
@@ -79,6 +98,7 @@ symmetry.test
 
 # Format converter tests
 
+pamtopdbimg.test
 pbmtog3.test
 411toppm.test
 eyuvtoppm.test
@@ -103,6 +123,8 @@ ppmchange-roundtrip.test
 pamdice-roundtrip.test
 pamslice-roundtrip.test
 lookup-roundtrip.test
+enlarge-reduce-roundtrip.test
+cut-cat-roundtrip.test
 
 # Round-trip tests : lossless converters
 
@@ -111,6 +133,7 @@ atari-roundtrip.test
 atk-roundtrip.test
 avs-roundtrip.test
 bmp-roundtrip.test
+bmp-quant-roundtrip.test
 cis-roundtrip.test
 cmuw-roundtrip.test
 facesaver-roundtrip.test
@@ -122,18 +145,23 @@ gif-quant-roundtrip.test
 hdiff-roundtrip.test
 ilbm-roundtrip.test
 jbig-roundtrip.test
+jpeg2k-roundtrip.test
 leaf-roundtrip.test
 macp-roundtrip.test
 mda-roundtrip.test
 mgr-roundtrip.test
 mrf-roundtrip.test
+palm-roundtrip.test
+palm-roundtrip2.test
 pcx-roundtrip.test
+pdb-roundtrip.test
 pfm-roundtrip.test
 pi3-roundtrip.test
 pict-roundtrip.test
 png-roundtrip.test
 png-roundtrip2.test
 ps-roundtrip.test
+ps-flate-roundtrip.test
 ps-alt-roundtrip.test
 sgi-roundtrip.test
 sbig-roundtrip.test
@@ -142,6 +170,7 @@ sunicon-roundtrip.test
 sunrast-roundtrip.test
 targa-roundtrip.test
 tiff-roundtrip.test
+tiff-flate-lzw-roundtrip.test
 utahrle-roundtrip.test
 wbmp-roundtrip.test
 winicon-roundtrip.test
@@ -150,6 +179,9 @@ xpm-roundtrip.test
 xv-roundtrip.test
 xwd-roundtrip.test
 
-# Round-trip tests : lossy converter
+# Round-trip tests : lossy converters
 
+fiasco-roundtrip.test
+jpeg-roundtrip.test
+tiffcmyk-roundtrip.test
 yuv-roundtrip.test
diff --git a/test/all-in-place.ok b/test/all-in-place.ok
index 6ba75993..2df9f392 100644
--- a/test/all-in-place.ok
+++ b/test/all-in-place.ok
@@ -11,6 +11,7 @@ cmuwmtopbm: ok
 ddbugtopbm: ok
 escp2topbm: ok
 eyuvtoppm: ok
+fiascotopnm: ok
 fitstopnm: ok
 fstopgm: ok
 g3topbm: ok
@@ -35,9 +36,11 @@ mtvtoppm: ok
 neotoppm: ok
 palmtopnm: ok
 pamaddnoise: ok
+pamaltsat: ok
 pamarith: ok
 pambackground: ok
 pambayer: ok
+pambrighten: ok
 pamchannel: ok
 pamcomp: ok
 pamcrater: ok
@@ -51,14 +54,19 @@ pamendian: ok
 pamenlarge: ok
 pamexec: ok
 pamfile: ok
+pamfind: ok
 pamfix: ok
 pamflip: ok
 pamfunc: ok
 pamgauss: ok
+pamgetcolor: ok
 pamgradient: ok
+pamhue: ok
+pamlevels: ok
 pamlookup: ok
 pammasksharpen: ok
 pammixinterlace: ok
+pammixmulti: ok
 pammosaicknit: ok
 pamoil: ok
 pampaintspill: ok
@@ -78,8 +86,10 @@ pamsplit: ok
 pamstack: ok
 pamstereogram: ok
 pamstretch: ok
+pamstretch-gen: ok
 pamsumm: ok
 pamsummcol: ok
+pamtable: ok
 pamthreshold: ok
 pamtilt: ok
 pamtoavs: ok
@@ -103,6 +113,7 @@ pamtotiff: ok
 pamtouil: ok
 pamtowinicon: ok
 pamtoxvmini: ok
+pamtris: ok
 pamundice: ok
 pamunlookup: ok
 pamvalidate: ok
@@ -195,6 +206,7 @@ pnmhisteq: ok
 pnmhistmap: ok
 pnmindex: ok
 pnminvert: ok
+pnmmargin: ok
 pnmmercator: ok
 pnmmontage: ok
 pnmnlfilt: ok
@@ -202,6 +214,8 @@ pnmnorm: ok
 pnmpad: ok
 pnmpaste: ok
 pnmpsnr: ok
+pnmquant: ok
+pnmquantall: ok
 pnmremap: ok
 pnmrotate: ok
 pnmscalefixed: ok
@@ -236,6 +250,7 @@ ppmdist: ok
 ppmdither: ok
 ppmdmkfont: ok
 ppmdraw: ok
+ppmfade: ok
 ppmflash: ok
 ppmforge: ok
 ppmglobe: ok
@@ -245,8 +260,10 @@ ppmmake: ok
 ppmmix: ok
 ppmntsc: ok
 ppmpat: ok
+ppmrainbow: ok
 ppmrelief: ok
 ppmrough: ok
+ppmshadow: ok
 ppmshift: ok
 ppmspread: ok
 ppmtoacad: ok
@@ -315,15 +332,5 @@ yuvsplittoppm: ok
 yuvtoppm: ok
 yuy2topam: ok
 zeisstopnm: ok
-fiascotopnm: ok
-manweb: ok
-pnmmargin: ok
 anytopnm: ok
-ppmtomap: ok
-ppmshadow: ok
-pnmquant: ok
-pnmquantall: ok
-ppmrainbow: ok
-ppmfade: ok
-pamstretch-gen: ok
-pcdovtoppm: ok
+manweb: ok
diff --git a/test/all-in-place.test b/test/all-in-place.test
index 4c8af56b..6cf677ef 100755
--- a/test/all-in-place.test
+++ b/test/all-in-place.test
@@ -4,9 +4,12 @@
 # We test by actually running all the executables.
 
 # Failure message
-# See Netpbm Library Prerequisites
-# http://netpbm.sourceforge.net/prereq.html
-# if make succeeds but this test fails.
+## See Netpbm Library Prerequisites
+## http://netpbm.sourceforge.net/prereq.html
+## if make succeeds but this test fails
+##
+## If you run the "make test-install" on an older version, some executables
+## may be reported as missing because of missing features.
 
 function testExitStatus () {
 
@@ -50,6 +53,7 @@ ordinary_testprogs="\
   ddbugtopbm \
   escp2topbm \
   eyuvtoppm \
+  fiascotopnm \
   fitstopnm \
   fstopgm \
   g3topbm \
@@ -74,9 +78,11 @@ ordinary_testprogs="\
   neotoppm \
   palmtopnm \
   pamaddnoise \
+  pamaltsat \
   pamarith \
   pambackground \
   pambayer \
+  pambrighten \
   pamchannel \
   pamcomp \
   pamcrater \
@@ -90,14 +96,19 @@ ordinary_testprogs="\
   pamenlarge \
   pamexec \
   pamfile \
+  pamfind \
   pamfix \
   pamflip \
   pamfunc \
   pamgauss \
+  pamgetcolor \
   pamgradient \
+  pamhue \
+  pamlevels \
   pamlookup \
   pammasksharpen \
   pammixinterlace \
+  pammixmulti \
   pammosaicknit \
   pamoil \
   pampaintspill \
@@ -117,8 +128,10 @@ ordinary_testprogs="\
   pamstack \
   pamstereogram \
   pamstretch \
+  pamstretch-gen \
   pamsumm \
   pamsummcol \
+  pamtable \
   pamthreshold \
   pamtilt \
   pamtoavs \
@@ -142,6 +155,7 @@ ordinary_testprogs="\
   pamtouil \
   pamtowinicon \
   pamtoxvmini \
+  pamtris \
   pamundice \
   pamunlookup \
   pamvalidate \
@@ -234,6 +248,7 @@ ordinary_testprogs="\
   pnmhistmap \
   pnmindex \
   pnminvert \
+  pnmmargin \
   pnmmercator \
   pnmmontage \
   pnmnlfilt \
@@ -241,6 +256,8 @@ ordinary_testprogs="\
   pnmpad \
   pnmpaste \
   pnmpsnr \
+  pnmquant \
+  pnmquantall \
   pnmremap \
   pnmrotate \
   pnmscalefixed \
@@ -275,6 +292,7 @@ ordinary_testprogs="\
   ppmdither \
   ppmdmkfont \
   ppmdraw \
+  ppmfade \
   ppmflash \
   ppmforge \
   ppmglobe \
@@ -284,8 +302,10 @@ ordinary_testprogs="\
   ppmmix \
   ppmntsc \
   ppmpat \
+  ppmrainbow \
   ppmrelief \
   ppmrough \
+  ppmshadow \
   ppmshift \
   ppmspread \
   ppmtoacad \
@@ -356,74 +376,58 @@ ordinary_testprogs="\
   zeisstopnm \
 "
 
-for i in $ordinary_testprogs
-  do
-    $i --version  2>&1 | \
-    egrep -v \
-    "(Using libnetpbm|Compiled|(BSD|SYSV|MSDOS|AMIGA) defined|RGB_?ENV=)" \
-      1>&2;
-    testExitStatus $i 0 ${PIPESTATUS[0]}
-  done
-
-
-# Test fiascotopnm, which has a unique -v flag.
-fiascotopnm -v 2> /dev/null
-    testExitStatus fiascotopnm 2 $?
-
-
-# Test manweb and pnmmargin, which have --help.
-manweb --help > /dev/null
-    testExitStatus manweb 0 $?
-
-pnmmargin --help 2> /dev/null
-    testExitStatus pnmmargin 1 $?
 
+# The string "fiascotopnm" has to be filtered out by fgrep for fiascotopnm
+# has a slightly different version report format.
 
-# Test anytopnm, pnmnoraw, pnmquant, pnmquantall
-# ppmrainbow, ppmshadow, ppmtomap
-# with trivial input.
+# Switch to control output from "program --version"
+#
+grepSwitch=1        # Initial value
+                    # Always 1 for check-install,
+                    # otherwise changes to 0 once a command succeeds.
+grepOption[0]="-v"  # Suppress output
+grepOption[1]=""    # Output --version message
 
-$i ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
-tmpdir=${tmpdir:-/tmp}
-test_pbm=${tmpdir}/test.pbm
+for i in $ordinary_testprogs
+  do
+    # Stub out programs that aren't built.
+    Available-Testprog "$i"
+      if [ $? = 1 ]; then
+      echo "$i: program was not built" 1>&2
+      echo "$i: ok"
+      continue
+      fi
 
-cat > ${test_pbm} <<EOF
-P1
-1 1
-1
-EOF
 
-for i in anytopnm ppmtomap ppmshadow
-  do
-    $i ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
-    testExitStatus $i 0 $?
-  done
+    $i --version < /dev/null 2>&1 | \
+    # Older versions of pamstretch-gen and ppmshadow (encountered when
+    # one does "make check-install") get stuck when there is no input.
+    # Supply /dev/null as input to placate these programs.
+    
+    egrep -v -e "fiascotopnm" -e \
+    ": ((BSD|SYSV|MSDOS|AMIGA) defined|RGB_?ENV=)" | \
+    egrep ${grepOption[$grepSwitch]} -e \
+    ": (Using lib(net)?pbm|(Built (by|at)|Compiled ))" 1>&2;
+    # See showVersion() in lib/libpm.c for the above regular expressions.
+  
+    exitStatus=${PIPESTATUS[0]}
+    testExitStatus $i 0 ${exitStatus}
 
-for i in pnmquant pnmquantall
-  do
-    $i 2 ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
-    testExitStatus $i 0 $?
+    if [ ${CHECK_TYPE} != "install" ]
+      then grepSwitch=$((${grepSwitch} * ${exitStatus}==0 ? 0 : 1)) ;
+    fi
   done
 
-rm ${test_pbm}
-    ppmrainbow rgb:00/00/00 rgb:ff/ff/ff \
-    -tmpdir=${tmpdir} -width=2 -height=2 > /dev/null
-    testExitStatus ppmrainbow 0 $?
 
+# Anytopnm now supports --version but it delegates the report to pamtopnm.
+# It fails if pamtopnm is absent.
+# We consider anytopnm too important to test in an indirect manner.
 
-# Test ppmfade with corrupt input.
-# Prevent the creation of output files by setting base to /dev/null.
-# Exit status should be 50.
-    ppmfade -f /dev/zero -base /dev/null > /dev/null 2> /dev/null
-    testExitStatus ppmfade 50 $?
+anytopnm testgrid.pbm > /dev/null 2> /dev/null;
+testExitStatus anytopnm 0 $?
 
 
-# Test pamstretch-gen and pcdovtoppm with no input.
-# These two programs write a usage message on standout in this case.
-# Exit status should be 1.
+# Test manweb which has --help.
 
-for i in pamstretch-gen pcdovtoppm
-  do
-     $i > /dev/null
-     testExitStatus $i 1 $?
-  done
+manweb --help > /dev/null
+    testExitStatus manweb 0 $?
diff --git a/test/bmp-quant-roundtrip.ok b/test/bmp-quant-roundtrip.ok
new file mode 100644
index 00000000..5262df53
--- /dev/null
+++ b/test/bmp-quant-roundtrip.ok
@@ -0,0 +1,6 @@
+colors=256, bpp=8
+0 0 0 : 0
+0 0 0 : 0
+colors=16, bpp=4
+0 0 0 : 0
+0 0 0 : 0
diff --git a/test/bmp-quant-roundtrip.test b/test/bmp-quant-roundtrip.test
new file mode 100755
index 00000000..2c223b7c
--- /dev/null
+++ b/test/bmp-quant-roundtrip.test
@@ -0,0 +1,36 @@
+#! /bin/bash
+# This script tests: bmptopnm ppmtobmp pnmquant
+# Also requires: ppmhist
+
+tmpdir=${tmpdir:-/tmp}
+quant_ppm=${tmpdir}/quant.ppm
+
+colors=256      # any value between 2 - 256 works
+bpp=8
+echo colors=${colors}, bpp=${bpp} 
+
+pnmquant ${colors} testimg.ppm > ${quant_ppm}
+
+for mode in "-windows" "-os2"
+  do
+  ppmtobmp $mode -bpp=${bpp} ${quant_ppm} | bmptopnm | \
+    cmp -s - ${quant_ppm} > /dev/null
+  echo ${PIPESTATUS[@]} ":" $?
+  done
+
+rm ${quant_ppm}
+
+colors=16      # any value between 2 - 16 works
+bpp=4
+echo colors=${colors}, bpp=${bpp}
+
+pnmquant ${colors} testimg.ppm > ${quant_ppm}
+
+for mode in "-windows" "-os2"
+  do
+  ppmtobmp -bpp=${bpp} ${quant_ppm} | bmptopnm | \
+    cmp -s - ${quant_ppm} > /dev/null
+  echo ${PIPESTATUS[@]} ":" $?
+  done
+
+rm ${quant_ppm}
diff --git a/test/bmp-roundtrip.ok b/test/bmp-roundtrip.ok
index 67f7a1fe..4f4f8367 100644
--- a/test/bmp-roundtrip.ok
+++ b/test/bmp-roundtrip.ok
@@ -1,2 +1,20 @@
-1926073387 101484
+PBM
+2425386270 41
+2425386270 41
+2425386270 41
 2425386270 41
+PPM
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+PGM
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
diff --git a/test/bmp-roundtrip.test b/test/bmp-roundtrip.test
index be9a4548..c9ef363a 100755
--- a/test/bmp-roundtrip.test
+++ b/test/bmp-roundtrip.test
@@ -1,7 +1,42 @@
 #! /bin/bash
 # This script tests: bmptopnm ppmtobmp
-# Also requires:
+# Also requires: pamchannel pamtopnm pamseq
 
+tmpdir=${tmpdir:-/tmp}
 
-ppmtobmp testimg.ppm | bmptopnm | cksum
-ppmtobmp testgrid.pbm | bmptopnm | cksum
+# Test 1.  Should print 2425386270 41 four times
+
+echo PBM
+
+for mode in "" "-bpp=1" "-windows" "-os2"
+  do
+  ppmtobmp ${mode} testgrid.pbm | bmptopnm | cksum
+  done
+
+# Test 2.  Should print 1926073387 101484 four times
+
+echo PPM
+
+for mode in "" "-bpp=24" "-windows" "-os2"
+  do
+  ppmtobmp ${mode} testimg.ppm | bmptopnm | cksum
+  done
+
+# Test 3.  Should print 1571496937 33838 nine times
+
+echo PGM
+
+red_pgm=${tmpdir}/red.pgm
+mapfile_pgm=${tmpdir}/mapfile.pgm
+pamseq -tupletype="GRAYSCALE" 1 255 > ${mapfile_pgm}
+
+pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | \
+    pamtopnm | tee ${red_pgm} | cksum
+
+for mode in "" "-bpp=8" "-windows" "-os2"
+  do
+  ppmtobmp ${mode} ${red_pgm} | bmptopnm | cksum
+  ppmtobmp ${mode} -mapfile=${mapfile_pgm} ${red_pgm} | bmptopnm | cksum
+  done
+
+rm ${mapfile_pgm} ${red_pgm}
\ No newline at end of file
diff --git a/test/cut-cat-roundtrip.ok b/test/cut-cat-roundtrip.ok
new file mode 100644
index 00000000..bc9b8cb4
--- /dev/null
+++ b/test/cut-cat-roundtrip.ok
@@ -0,0 +1,92 @@
+Test 1.
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+Test 2.
+3891261972 202953
+3891261972 202953
+3891261972 202953
+3891261972 202953
+3891261972 202953
+3891261972 202953
+Test 3.
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+Test 4.
+26789469 202953
+26789469 202953
+26789469 202953
+26789469 202953
+26789469 202953
+Test 5.
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+Test 6.
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+1887700557 73
+Test 7.
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+Test 8.
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
+3221289196 73
diff --git a/test/cut-cat-roundtrip.test b/test/cut-cat-roundtrip.test
new file mode 100755
index 00000000..95ee5279
--- /dev/null
+++ b/test/cut-cat-roundtrip.test
@@ -0,0 +1,128 @@
+#! /bin/bash
+# This script tests: pamcut
+# Also requires: pnmcat pnmpad
+
+tmpdir=${tmpdir:-/tmp}
+quant_ppm=${tmpdir}/quant.ppm
+
+right_pbm=${tmpdir}/right.pbm
+left_pbm=${tmpdir}/left.pbm
+right_ppm=${tmpdir}/right.ppm
+left_ppm=${tmpdir}/left.ppm
+bottom_pbm=${tmpdir}/bottom.pbm
+top_pbm=${tmpdir}/top.pbm
+bottom_ppm=${tmpdir}/bottom.ppm
+top_ppm=${tmpdir}/top.ppm
+
+
+# Test 1.  Should print 1926073387 101484 six times
+echo Test 1.
+
+cat testimg.ppm | cksum
+for i in 0 1 128 224 225
+  do
+  pamcut -left=$((i+1)) testimg.ppm > ${right_ppm}
+  pamcut -right=$i      testimg.ppm > ${left_ppm}
+  pnmcat -lr ${left_ppm} ${right_ppm} | \
+    pamcut -left=0 -width=227| cksum
+  rm ${left_ppm} ${right_ppm}
+  done
+
+
+# Test 2.  Should print 3891261972 202953 six times
+# Not roundtrip.  Padding added to right.
+echo Test 2.
+
+pnmpad -right=227 -black testimg.ppm | cksum
+for i in  0 1 128 224 225
+  do
+  pamcut -left=$((i+1)) -width=227 -pad testimg.ppm > ${right_ppm}
+  pamcut -right=$i      -width=227 -pad testimg.ppm > ${left_ppm}
+  pnmcat -lr ${left_ppm} ${right_ppm} ${left_ppm} | \
+    pamcut -left=$((227-i-1))  -width=$((227*2)) | cksum
+  rm ${left_ppm} ${right_ppm}
+  done
+
+
+# Test 3.  Should print 1926073387 101484 five times
+echo Test 3.
+
+cat testimg.ppm | cksum
+for i in 0 1 70 147
+  do
+  pamcut -top=$((i+1)) testimg.ppm > ${bottom_ppm}
+  pamcut -bottom=$i    testimg.ppm > ${top_ppm}
+  pnmcat -tb ${top_ppm} ${bottom_ppm} | \
+    pamcut -top=0 -height=149 | cksum
+  rm ${top_ppm} ${bottom_ppm}
+  done
+
+# Test 4.  Should print 26789469 202953 five times
+# Not roundtrip.  Padding added to bottom.
+echo Test 4.
+
+pnmpad -bottom=149 -black testimg.ppm | cksum
+for i in 0 1 70 147
+  do
+  pamcut -top=$((i+1)) -height=149 -pad testimg.ppm > ${bottom_ppm}
+  pamcut -bottom=$i    -height=149 -pad testimg.ppm > ${top_ppm}
+  pnmcat -tb ${top_ppm} ${bottom_ppm} ${top_ppm} | \
+    pamcut -top=$((149-i-1))  -height=$((149*2)) | cksum
+  rm ${top_ppm} ${bottom_ppm}
+  done
+
+# Test 5.  Should print 2425386270 41 fourteen times
+echo Test 5.
+
+cat testgrid.pbm | cksum
+for i in `seq 0 12`
+  do
+  pamcut -left=$((i+1)) testgrid.pbm > ${right_pbm}
+  pamcut -right=$i      testgrid.pbm > ${left_pbm}
+  pnmcat -lr ${left_pbm} ${right_pbm} | \
+    pamcut -left=0 -width=14 | cksum
+  rm ${left_pbm} ${right_pbm}
+  done
+
+
+# Test 6.  Should print 1887700557 73 fifteen times
+# Not roundtrip.  Padding added to right.
+echo Test 6.
+
+pnmpad -right=14 -black testgrid.pbm | cksum
+for i in `seq 0 13`
+  do
+  pamcut -left=$((i+1)) -width=14 -pad testgrid.pbm > ${right_pbm}
+  pamcut -right=$i      -width=14 -pad testgrid.pbm > ${left_pbm}
+  pnmcat -lr ${left_pbm} ${right_pbm} ${left_pbm} | \
+    pamcut -left=$((14-i-1)) -width=28 | cksum
+  rm ${left_pbm} ${right_pbm}
+  done
+
+# Test 7.  Should print 2425386270 41 sixteen times
+echo Test 7.
+
+cat testgrid.pbm | cksum
+for i in `seq 0 14`
+  do
+  pamcut -top=$((i+1)) testgrid.pbm > ${bottom_pbm}
+  pamcut -bottom=$i    testgrid.pbm > ${top_pbm}
+  pnmcat -tb ${top_pbm} ${bottom_pbm} | \
+    pamcut -top=0 -height=16 | cksum
+  rm ${top_pbm} ${bottom_pbm}
+  done
+
+# Test 8.  Should print 3221289196 73 seventeen times
+# Not roundtrip.  Padding added to bottom.
+echo Test 8.
+
+pnmpad -bottom=16 -black testgrid.pbm | cksum
+for i in `seq 0 15`
+  do
+  pamcut -top=$((i+1)) -height=16 -pad testgrid.pbm > ${bottom_pbm}
+  pamcut -bottom=$i    -height=16 -pad testgrid.pbm > ${top_pbm}
+  pnmcat -tb ${top_pbm} ${bottom_pbm} ${top_pbm} | \
+    pamcut -top=$((16-i-1)) -height=32 | cksum
+  rm ${top_pbm} ${bottom_pbm}
+  done
+
diff --git a/test/enlarge-reduce-roundtrip.ok b/test/enlarge-reduce-roundtrip.ok
new file mode 100644
index 00000000..8ee8118a
--- /dev/null
+++ b/test/enlarge-reduce-roundtrip.ok
@@ -0,0 +1,17 @@
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
+2364818683 590
diff --git a/test/enlarge-reduce-roundtrip.test b/test/enlarge-reduce-roundtrip.test
new file mode 100755
index 00000000..54b52c60
--- /dev/null
+++ b/test/enlarge-reduce-roundtrip.test
@@ -0,0 +1,34 @@
+#! /bin/bash
+# This script tests: pamenlarge pbmpscale pbmreduce
+# Also requires: pbmtext
+
+tmpdir=${tmpdir:-/tmp}
+xanadu_pbm=${tmpdir}/xanadu.pbm
+
+echo "In Xanadu did Kubla khan" | pbmtext > ${xanadu_pbm} 
+
+# Should print 2364818683 590
+
+cat ${xanadu_pbm} | cksum
+
+# Should print 2364818683 590 eight times
+
+for scale in 2 4 6 7
+  do
+  for flag in "-fs -randomseed=0" "-threshold -v 0.4"
+    do
+    pamenlarge ${scale} ${xanadu_pbm} | pbmreduce ${flag} ${scale} | cksum
+    done
+  done
+
+# Should print 2364818683 590 eight times
+
+for scale in 5 7 9 11
+  do
+  for flag in "-fs -randomseed=0" "-threshold"
+    do
+    pbmpscale ${scale} ${xanadu_pbm} | pbmreduce ${flag} ${scale} | cksum
+    done
+  done
+
+rm ${xanadu_pbm}
diff --git a/test/fiasco-roundtrip.ok b/test/fiasco-roundtrip.ok
new file mode 100644
index 00000000..544093d3
--- /dev/null
+++ b/test/fiasco-roundtrip.ok
@@ -0,0 +1 @@
+  3 1000.00 1000.00 1000.00
\ No newline at end of file
diff --git a/test/fiasco-roundtrip.test b/test/fiasco-roundtrip.test
new file mode 100755
index 00000000..8325a37d
--- /dev/null
+++ b/test/fiasco-roundtrip.test
@@ -0,0 +1,23 @@
+#! /bin/bash
+# This script tests: pnmtofiasco fiascotopnm
+# Also requires: pnmpad pnmpsnr
+
+# Pnmtofiasco: number of rows, cols in input file must be even
+# Pnmpsnr output: 15.11 22.71 30.09
+# TODO: As in jpeg-rountrip.test the threshold has been determined
+# without much thought.
+
+# Should print 3 1000.00 1000.00 1000.00
+
+tmpdir=${tmpdir:-/tmp}
+padded_ppm=${tmpdir}/padded.ppm
+
+pnmpad --black --bottom 1 --left 1 testimg.ppm > ${padded_ppm} &&
+pnmtofiasco --progress-meter 0 ${padded_ppm} | fiascotopnm | \
+    pnmpsnr -machine - ${padded_ppm} | \
+    awk '{printf("%3d %.2f %.2f %.2f", NF,
+                  $1>14.0 ? 1000.00 : $1,
+                  $2>21.0 ? 1000.00 : $2,
+                  $3>29.0 ? 1000.00 : $3) }'
+
+rm ${padded_ppm}
\ No newline at end of file
diff --git a/test/g3-roundtrip.ok b/test/g3-roundtrip.ok
index bb0b1cf6..603c9457 100644
--- a/test/g3-roundtrip.ok
+++ b/test/g3-roundtrip.ok
@@ -1,3 +1,13 @@
-0
-0
-0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+1777627284 265
+2985378006 3135
+3651878552 3135
diff --git a/test/g3-roundtrip.test b/test/g3-roundtrip.test
index 47e20e1d..6e31c587 100755
--- a/test/g3-roundtrip.test
+++ b/test/g3-roundtrip.test
@@ -2,15 +2,60 @@
 # This script tests: g3topbm pbmtog3
 # Also requires: pnmcrop
 
+tmpdir=${tmpdir:-/tmp}
+complete256_pbm=${tmpdir}/complete256.pbm
+widew_pbm=${tmpdir}/widew.pbm
+wideb_pbm=${tmpdir}/wideb.pbm
 
 pbmtog3 -nofixedwidth testgrid.pbm | \
 g3topbm -width=14 | cmp -s - testgrid.pbm
-echo $?
+echo ${PIPESTATUS[@]} ":" $?
 
 pbmtog3 -nofixedwidth -reversebits testgrid.pbm | \
 g3topbm -width=14 -reversebits | cmp -s - testgrid.pbm
-echo $?
+echo ${PIPESTATUS[@]} ":" $?
 
 pbmtog3 testgrid.pbm | \
 g3topbm  | pnmcrop -white -right -bottom | \
- cmp -s - testgrid.pbm ; echo $?
+ cmp -s - testgrid.pbm ; echo ${PIPESTATUS[@]} ":" $?
+
+# works with gawk and mawk
+# produce all possible 8-bit patterns
+
+LC_ALL=C awk 'BEGIN { print "P4";         # header
+                      print "8 256";
+                      for (i=0;i<256;++i) # raster
+                           printf("%c",i) }' > ${complete256_pbm}
+
+pbmtog3 -nofixedwidth  ${complete256_pbm} |  g3topbm -width=8 | \
+ cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+pbmtog3 -reverse -nofixedwidth ${complete256_pbm} | \
+g3topbm -reversebits -width=8 | \
+ cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+pbmtog3 -align8 ${complete256_pbm} | \
+g3topbm -width=1728 | pnmcrop -white -right | \
+ cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+pbmtog3 -align16 ${complete256_pbm} | \
+g3topbm -width=1728 | pnmcrop -white -right | \
+ cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+pbmmake -w 5000 5 > ${widew_pbm}
+pbmtog3 -nofixedwidth ${widew_pbm} | g3topbm | \
+ cmp -s - ${widew_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+pbmtog3 -nofixedwidth ${widew_pbm} | \
+g3topbm -width=5000 | \
+ cmp -s - ${widew_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+pbmmake -b 5000 5 > ${wideb_pbm}
+pbmtog3 -nofixedwidth ${wideb_pbm} | g3topbm | \
+ cmp -s - ${wideb_pbm} ; echo ${PIPESTATUS[@]} ":" $?
+
+cat ${complete256_pbm} | cksum
+cat ${wideb_pbm} | cksum
+cat ${widew_pbm} | cksum
+
+rm ${complete256_pbm} ${wideb_pbm} ${widew_pbm}
diff --git a/test/gif-quant-roundtrip.ok b/test/gif-quant-roundtrip.ok
index 573541ac..b813e8db 100644
--- a/test/gif-quant-roundtrip.ok
+++ b/test/gif-quant-roundtrip.ok
@@ -1 +1 @@
-0
+0 0 0 : 0
diff --git a/test/gif-quant-roundtrip.test b/test/gif-quant-roundtrip.test
index 8b911740..910fa369 100755
--- a/test/gif-quant-roundtrip.test
+++ b/test/gif-quant-roundtrip.test
@@ -13,6 +13,6 @@ quant_ppm=${tmpdir}/quant.ppm
 pnmquant ${colors} testimg.ppm > ${quant_ppm} &&
 pamtogif ${quant_ppm} | giftopnm | \
    cmp -s - ${quant_ppm} > /dev/null
-echo $?
+echo ${PIPESTATUS[@]} ":" $?
 
 rm ${quant_ppm}
diff --git a/test/gif-roundtrip.ok b/test/gif-roundtrip.ok
index 552bf90c..607ebd5c 100644
--- a/test/gif-roundtrip.ok
+++ b/test/gif-roundtrip.ok
@@ -3,9 +3,20 @@
 1571496937 33838
 1571496937 33838
 1571496937 33838
+1571496937 33838
 2425386270 41
 2425386270 41
 2425386270 41
 2425386270 41
 2425386270 41
-P1 4 1 0101 
\ No newline at end of file
+P1 4 1 0101 
+4030 : 0 0 0 0 : 0 , 4030 : 0 0 0 0 : 0
+4031 : 0 0 0 0 : 0 , 4031 : 0 0 0 0 : 0
+4097 : 0 0 0 0 : 0 , 4097 : 0 0 0 0 : 0
+238 : 0 0 0 0 : 0 , 238 : 0 0 0 0 : 0
+239 : 0 0 0 0 : 0 , 239 : 0 0 0 0 : 0
+240 : 0 0 0 0 : 0 , 240 : 0 0 0 0 : 0
+241 : 0 0 0 0 : 0 , 241 : 0 0 0 0 : 0
+255 : 0 0 0 0 : 0 , 255 : 0 0 0 0 : 0
+256 : 0 0 0 0 : 0 , 256 : 0 0 0 0 : 0
+257 : 0 0 0 0 : 0 , 257 : 0 0 0 0 : 0
diff --git a/test/gif-roundtrip.test b/test/gif-roundtrip.test
index a6d0ec4c..1e6c7760 100755
--- a/test/gif-roundtrip.test
+++ b/test/gif-roundtrip.test
@@ -1,7 +1,6 @@
 #! /bin/bash
 # This script tests: giftopnm pamtogif
-# Also requires: ppmtorgb3 rgb3toppm pbmmake pnminvert
-
+# Also requires: ppmtorgb3 rgb3toppm pbmmake pnminvert pamcut pamdepth
 
 tmpdir=${tmpdir:-/tmp}
 
@@ -33,12 +32,13 @@ rm ${test_ppm} ${test_grn} ${test_blu} ${out_red} ${out_grn}
 
 # Test 2. Should produce 1571496937 33838
 # which is the result of cksum testimg.red
-# four times
+# five times
 
 test_gif=${tmpdir}/testimg.gif
 
 pamtogif ${test_red} | giftopnm | cksum
 pamtogif -interlace ${test_red} | giftopnm | cksum
+pamtogif -noclear ${test_red} | giftopnm | cksum
 pamtogif -sort ${test_red} | tee ${test_gif} | \
   giftopnm | cksum
 echo "junk" >> ${test_gif} && \
@@ -48,6 +48,7 @@ rm  ${test_gif} ${test_red}
 
 
 # Test 3. Should produce 2425386270 41 five times.
+# testgrid.pbm is too small for -noclear to take effect 
 
 pamtogif testgrid.pbm | giftopnm | cksum
 pamtogif -nolzw testgrid.pbm | giftopnm | cksum
@@ -56,11 +57,107 @@ pamtogif -alpha=testgrid.pbm testgrid.pbm | giftopnm | cksum
 pamtogif -transparent=white testgrid.pbm | giftopnm -alpha=- | \
   pnminvert | cksum
 
+
 # Test 4.
 # In this gif file the code length changes after the last image data.
 # Image data: 3 bits, end code 4 bits.
 # Should produce P1 4 1 0 1 0 1
 
 pbmmake -g 4 1 | \
-  pamtogif | giftopnm -plain | \
+  pamtogif -verbose | giftopnm -plain | \
   tr '\n' ' '
+echo ""
+
+
+# Test 5.
+# Test whether saturated code tables are handled correctly.
+# Test input images which most use up the string code table or
+# come close to doing so.
+
+# Should produce:
+# 4030 0 , 4030 0
+# 4031 0 , 4031 0
+# 4097 0 , 4097 0
+# 238 0 , 238 0
+# 239 0 , 239 0
+# 240 0 , 240 0
+# 241 0 , 241 0
+# 255 0 , 255 0
+# 256 0 , 256 0
+# 257 0 , 257 0
+
+test4097_pgm=${tmpdir}/testimg4097.pgm
+test_pgm=${tmpdir}/testimg.pgm
+
+# The following awk script produces a PGM file with no repeated sequences.
+# Here is a smaller example with the same property:
+# P2
+# 8 8
+# 7
+# 0 0 1 1 0 2 2 0
+# 3 3 0 4 4 0 5 5
+# 0 6 6 0 7 7 1 2
+# 1 3 1 4 1 5 1 6
+# 1 7 2 3 2 4 2 5
+# 2 6 2 7 3 4 3 5
+# 3 6 3 7 4 5 4 6
+# 4 7 5 6 5 7 6 7
+
+maxval=63
+awk -v maxval=${maxval} 'BEGIN \
+{ print "P2"
+         print "1 "(maxval+1) * (maxval+1) +1
+         print maxval
+         print 0 
+         for (j=i+1; j<=maxval; ++j)
+	    {print 0; print j; print j }
+         for (i=1; i<=maxval; ++i)
+             for (j=i+1; j<=maxval; ++j)
+                 {print i; print j }
+         print 0
+}' > ${test4097_pgm}
+
+for size in 4030 4031 4097
+  do
+  pamcut -height ${size} ${test4097_pgm} > ${test_pgm} &&
+  pamtogif -verbose ${test_pgm} | giftopnm | pamdepth ${maxval} | \
+    cmp - ${test_pgm}
+  # pamdepth ${maxval} is necessary because
+  # giftopnm output is maxval 255
+  echo -n ${size} ":" ${PIPESTATUS[@]} ":" $? ", "
+  pamtogif -nolzw ${test_pgm} | giftopnm | pamdepth ${maxval} | \
+    cmp - ${test_pgm}
+  echo ${size} ":" ${PIPESTATUS[@]} ":" $?
+  rm ${test_pgm}
+  done 
+
+rm ${test4097_pgm}
+test257_pgm=${tmpdir}/testimg257.pgm
+
+maxval=15
+awk -v maxval=${maxval} 'BEGIN \
+{ print "P2"
+         print "1 "(maxval+1) * (maxval+1) +1
+         print maxval
+         print 0 
+         for (j=i+1; j<=maxval; ++j)
+	    {print 0; print j; print j }
+         for (i=1; i<=maxval; ++i)
+             for (j=i+1; j<=maxval; ++j)
+                 {print i; print j }
+         print 0
+}' >  ${test257_pgm}
+
+for size in 238 239 240 241 255 256 257
+  do
+  pamcut -height=${size} ${test257_pgm} > ${test_pgm} &&
+  pamtogif -verbose ${test_pgm} | giftopnm | pamdepth ${maxval} | \
+    cmp - ${test_pgm}
+  echo -n ${size} ":" ${PIPESTATUS[@]} ":" $? ", "
+  pamtogif -nolzw -verbose ${test_pgm} | giftopnm | pamdepth ${maxval} | \
+    cmp - ${test_pgm}
+  echo ${size} ":" ${PIPESTATUS[@]} ":" $?
+  rm ${test_pgm}
+  done 
+
+rm ${test257_pgm}
diff --git a/test/jbig-roundtrip.test b/test/jbig-roundtrip.test
index 5e96a001..570d7336 100755
--- a/test/jbig-roundtrip.test
+++ b/test/jbig-roundtrip.test
@@ -2,7 +2,6 @@
 # This script tests: pnmtojbig jbigtopnm
 # Also requires: pamchannel pamtopnm
 
-
 # Test 1.  Should print 2425386270 41
 pnmtojbig testgrid.pbm | jbigtopnm | cksum
 
diff --git a/test/jpeg-roundtrip.ok b/test/jpeg-roundtrip.ok
new file mode 100644
index 00000000..5551f78e
--- /dev/null
+++ b/test/jpeg-roundtrip.ok
@@ -0,0 +1,3 @@
+match
+match
+match
diff --git a/test/jpeg-roundtrip.test b/test/jpeg-roundtrip.test
new file mode 100755
index 00000000..7cc0fc20
--- /dev/null
+++ b/test/jpeg-roundtrip.test
@@ -0,0 +1,19 @@
+#! /bin/bash
+# This script tests: pnmtojpeg jpegtopnm
+# Also requires: pnmpsnr
+
+# TODO: threshold has been determined without much thought.
+# Observed pnmpsnr output: 56.20 58.26 49.38
+# On another system:       54.73 49.41 44.52
+# A small margin has been added to the above numbers.
+
+# Should print "match" three times
+
+pnmtojpeg testimg.ppm | jpegtopnm | \
+  pnmpsnr -target1=54 -target2=49 -target3=44 - testimg.ppm
+
+pnmtojpeg testimg.ppm -opt | jpegtopnm | \
+  pnmpsnr -target1=54 -target2=49 -target3=44 - testimg.ppm
+
+pnmtojpeg testimg.ppm -progressive | jpegtopnm | \
+  pnmpsnr -target1=54 -target2=49 -target3=44 - testimg.ppm
diff --git a/test/jpeg2k-roundtrip.ok b/test/jpeg2k-roundtrip.ok
new file mode 100644
index 00000000..82eac5a8
--- /dev/null
+++ b/test/jpeg2k-roundtrip.ok
@@ -0,0 +1 @@
+1926073387 101484
diff --git a/test/jpeg2k-roundtrip.test b/test/jpeg2k-roundtrip.test
new file mode 100755
index 00000000..0995849d
--- /dev/null
+++ b/test/jpeg2k-roundtrip.test
@@ -0,0 +1,7 @@
+#! /bin/bash
+# This script tests: pamtojpeg2k jpeg2ktopam
+# Also requires:
+
+# Should produce 1926073387 101484
+
+pamtojpeg2k testimg.ppm | jpeg2ktopam | cksum
\ No newline at end of file
diff --git a/test/legacy-names.ok b/test/legacy-names.ok
index 9676639b..94ef875f 100644
--- a/test/legacy-names.ok
+++ b/test/legacy-names.ok
@@ -4,6 +4,8 @@ icontopbm: ok
 pamfixtrunc: ok
 pamrgbatopng: ok
 pbmtoicon: ok
+pbmtox10bm: ok
+pgmcrater: ok
 pgmedge: ok
 pgmnorm: ok
 pgmoil: ok
@@ -17,21 +19,21 @@ pnmenlarge: ok
 pnmfile: ok
 pnmflip: ok
 pnminterp: ok
+pnmnoraw: ok
 pnmscale: ok
 pnmsplit: ok
 pnmtofits: ok
+pnmtoplainpnm: ok
 pnmtopnm: ok
 pnmtotiff: ok
 ppmnorm: ok
+ppmquant: ok
+ppmquantall: ok
 ppmtogif: ok
 ppmtojpeg: ok
+ppmtomap: ok
 ppmtompeg: ok
 ppmtotga: ok
 ppmtouil: ok
-pgmcrater: ok
-pbmtox10bm: ok
-pnmnoraw: ok
-pnmtoplainpnm: ok
-ppmquant: ok
-ppmquantall: ok
 hpcdtoppm: ok
+pcdovtoppm: ok
diff --git a/test/legacy-names.test b/test/legacy-names.test
index df40e62d..5a65615f 100755
--- a/test/legacy-names.test
+++ b/test/legacy-names.test
@@ -10,6 +10,12 @@
 ##
 ## Important: This test checks obsoleted names.
 ## Programs here do not appear in other tests.
+##
+## Programs here are wrapper scripts provided for backward compatibility.
+## The newer replacement program may be the cause of any failure reported.
+##
+## If you run the "make test-install" on an older version, some executables
+## may be reported as missing because of missing features.
 
 
 # Skip this test if CHECK_TYPE = tree
@@ -55,6 +61,8 @@ ordinary_testprogs="\
   pamfixtrunc \
   pamrgbatopng \
   pbmtoicon \
+  pbmtox10bm \
+  pgmcrater \
   pgmedge \
   pgmnorm \
   pgmoil \
@@ -68,65 +76,59 @@ ordinary_testprogs="\
   pnmfile \
   pnmflip \
   pnminterp \
+  pnmnoraw \
   pnmscale \
   pnmsplit \
   pnmtofits \
+  pnmtoplainpnm \
   pnmtopnm \
   pnmtotiff \
   ppmnorm \
+  ppmquant \
+  ppmquantall \
   ppmtogif \
   ppmtojpeg \
+  ppmtomap \
   ppmtompeg \
   ppmtotga \
   ppmtouil \
 "
 
-for i in $ordinary_testprogs
-  do
-    $i --version  2>&1 | \
-    egrep -v \
-    "(Using libnetpbm|Compiled|(BSD|SYSV|MSDOS|AMIGA) defined|RGB_?ENV=)" \
-      1>&2;
-    testExitStatus $i 0 ${PIPESTATUS[0]}
-  done
-
-
-# Test pgmcrater
-
-pgmcrater -number 1 -xsize 15 -ysize 15 -randomseed 1 > /dev/null
-testExitStatus pgmcrater 0 $?
-
+# Switch to control output from "program --version"
+# See comments in all-in-place.test
 
-# Test pbmtox10bm, pnmnoraw, pnmtoplainpnm, ppmquantall, ppmrainbow
-# with trivial input.
-
-$i ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
-tmpdir=${tmpdir:-/tmp}
-test_pbm=${tmpdir}/test.pbm
-
-cat > ${test_pbm} <<EOF
-P1
-1 1
-1
-EOF
-
-for i in pbmtox10bm pnmnoraw pnmtoplainpnm
-  do
-    $i ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
-    testExitStatus $i 0 $?
-  done
+if [ ${CHECK_TYPE} = "install" ]
+  then grepOption[1]="" ;   # Output --version message
+  else grepOption[0]="-v" ; # Suppress output
+fi
 
-for i in ppmquant ppmquantall
+for i in $ordinary_testprogs
   do
-    $i 2 ${tmpdir}/test.pbm > /dev/null 2> /dev/null;
-    testExitStatus $i 0 $?
+    # Stub out programs that aren't built.
+    Available-Testprog "$i"
+      if [ $? = 1 ]; then
+      echo "$i: program was not built" 1>&2
+      echo "$i: ok"
+      continue
+      fi
+
+    $i --version < /dev/null 2>&1 | \
+    egrep -v -e "fiascotopnm" -e \
+    ": ((BSD|SYSV|MSDOS|AMIGA) defined|RGB_?ENV=)" | \
+    egrep ${grepOption[$grepSwitch]} -e \
+    ": (Using lib(net)?pbm|(Built (by|at)|Compiled ))" 1>&2;
+    # See showVersion() in lib/libpm.c for the above regular expressions.
+  
+    exitStatus=${PIPESTATUS[0]}
+    testExitStatus $i 0 ${exitStatus}
   done
 
 
-rm ${test_pbm}
 
-
-# Test hpcdtoppm.  Simply confirm its existence.
+# Test hpcdtoppm and pcdovtoppm.  Simply confirm their existence.
 
 type -p hpcdtoppm > /dev/null
 testExitStatus hpcdtoppm 0 $?
+
+type -p pcdovtoppm > /dev/null
+testExitStatus pcdovtoppm 0 $?
diff --git a/test/palm-roundtrip.ok b/test/palm-roundtrip.ok
new file mode 100644
index 00000000..b9ea3056
--- /dev/null
+++ b/test/palm-roundtrip.ok
@@ -0,0 +1,11 @@
+Test 1
+584219238 236
+584219238 236
+584219238 236
+584219238 236
+584219238 236
+Test 2
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
diff --git a/test/palm-roundtrip.test b/test/palm-roundtrip.test
new file mode 100755
index 00000000..b00454ca
--- /dev/null
+++ b/test/palm-roundtrip.test
@@ -0,0 +1,39 @@
+#! /bin/bash
+# This script tests: pnmtopalm palmtopnm
+# Also requires: pamdepth pnmquant
+
+tmpdir=${tmpdir:-/tmp}
+test4bit_pgm=${tmpdir}/test4bit.pgm
+test256color_ppm=${tmpdir}/test256color.ppm
+
+# Test 1. Should print 584219238 236  5 times
+
+echo "Test 1"
+
+pamdepth 15 testgrid.pbm | tee ${test4bit_pgm} | cksum
+
+for flags in "" \
+             "-scanline_compression" \
+             "-rle_compression" \
+             "-packbits_compression"
+  do pnmtopalm $flags ${test4bit_pgm} | palmtopnm | cksum; done
+
+rm ${test4bit_pgm}
+
+
+# Test 2. Should print 0 4 times
+
+echo "Test 2"
+
+pnmquant 256 testimg.ppm > ${test256color_ppm} || echo "pnmquant failed"
+
+for flags in "" \
+             "-scanline_compression" \
+             "-rle_compression" \
+             "-packbits_compression" 
+  do pnmtopalm -colormap $flags ${test256color_ppm} | palmtopnm | \
+     cmp -s - ${test256color_ppm} > /dev/null
+     echo ${PIPESTATUS[@]} ":" $?
+  done
+
+rm ${test256color_ppm}
diff --git a/test/palm-roundtrip2.ok b/test/palm-roundtrip2.ok
new file mode 100644
index 00000000..0060d7b6
--- /dev/null
+++ b/test/palm-roundtrip2.ok
@@ -0,0 +1,5 @@
+438301914 101484
+438301914 101484
+438301914 101484
+438301914 101484
+438301914 101484
diff --git a/test/palm-roundtrip2.test b/test/palm-roundtrip2.test
new file mode 100755
index 00000000..4c94df8c
--- /dev/null
+++ b/test/palm-roundtrip2.test
@@ -0,0 +1,31 @@
+#! /bin/bash
+# This script tests: pnmtopalm palmtopnm
+# Also requires: pnmremap
+
+tmpdir=${tmpdir:-/tmp}
+test256color_ppm=${tmpdir}/test256color.ppm
+
+if [ ${CHECK_TYPE} = install ]
+  then mapfile=$(netpbm-config --datadir)/palmcolor8.map
+  else mapfile=${PALMMAPDIR}/palmcolor8.map
+fi
+
+if [ ! -f ${mapfile} ]
+  then
+  echo "Cannot find palmcolor8.map.  Skipping." 1>&2
+  exit 80;
+fi
+
+
+# Test. Should print 438301914 101484
+# 5 times
+
+pnmremap -mapfile=${mapfile} testimg.ppm | tee ${test256color_ppm} | cksum
+
+for flags in "" \
+             "-scanline_compression" \
+             "-rle_compression" \
+             "-packbits_compression" 
+  do pnmtopalm -colormap $flags ${test256color_ppm} | palmtopnm | cksum; done
+
+rm ${test256color_ppm}
diff --git a/test/pamcut.ok b/test/pamcut.ok
index 61ef99bc..b08bc531 100644
--- a/test/pamcut.ok
+++ b/test/pamcut.ok
@@ -1,4 +1,19 @@
+Test 1.
 2958909756 124815
+Test 2.
 1550940962 10933
+Test 3.
 708474423 14
+708474423 14
+Test 4.
+659346598 80124
+659346598 80124
+659346598 80124
+659346598 80124
+Test 5.
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+Test 6.
 3412257956 129
diff --git a/test/pamcut.test b/test/pamcut.test
index fd9185a3..9971b1a5 100755
--- a/test/pamcut.test
+++ b/test/pamcut.test
@@ -2,17 +2,46 @@
 # This script tests: pamcut pbmmake
 # Also requires:
 
-
 # Test 1.  Should print 2958909756 124815
+echo Test 1.
+
 pamcut -top 0 -left 0 -width 260 -height 160 \
   -pad testimg.ppm | cksum
 
 # Test 2.  Should print 1550940962 10933
+echo Test 2.
+
 pamcut -top 200 -left 120 -width 40 -height 40 \
   -pad testimg.ppm | cksum
 
-# Test 3.  Should print 708474423 14
+# Test 3.  Should print 708474423 14 twice
+echo Test 3.
+
 pamcut -top 5 -left 5 -bottom 5 -right 5 testimg.ppm | cksum
+pamcut -width 1 -height 1 -bottom 5 -right 5 testimg.ppm | cksum
+
+
+# Test 4.  Should print 659346598 80124 four times
+echo Test 4.
+
+pamcut -croptop 10 -cropleft 10 -cropbottom 10 -cropright 10 testimg.ppm | \
+  cksum
+pamcut -top 10 -left 10 -bottom 138 -right 216 testimg.ppm | cksum
+pamcut -top 10 -left 10 -bottom -11 -right -11 testimg.ppm | cksum
+pamcut -top 10 -left 10 -width 207 -height 129 testimg.ppm | cksum
+
+
+# Test 5. Should print 2425386270 41 four times
+echo Test 5.
+
+pamcut -croptop 0 -cropleft 0 -cropbottom 0 -cropright 0 testgrid.pbm | \
+  cksum
+pamcut -top 0 -left 0 -bottom 15 -right 13 testgrid.pbm | cksum
+pamcut -top 0 -left 0 -bottom -1 -right -1 testgrid.pbm | cksum
+pamcut -top 0 -left 0 -width 14 -height 16 testgrid.pbm | cksum
+
+
+# Test 6.  Should print 3412257956 129
+echo Test 6.
 
-# Test 4.  Should print 3412257956 129
 pbmmake -g 50 50 | pamcut 5 5 30 30 | cksum
diff --git a/test/pamenlarge-pamscale-point.ok b/test/pamenlarge-pamscale-point.ok
new file mode 100644
index 00000000..dea0a3a9
--- /dev/null
+++ b/test/pamenlarge-pamscale-point.ok
@@ -0,0 +1,9 @@
+1 0 0 : 0
+2 -filter=point 0 0 : 0
+3 -linear 0 0 : 0
+4 -nomix 0 0 : 0
+5 0 0 : 0
+7 0 0 : 0
+6 -nomix 0 0 : 0
+15 -nomix -linear 0 0 : 0
+24 -nomix 0 0 : 0
diff --git a/test/pamenlarge-pamscale-point.test b/test/pamenlarge-pamscale-point.test
new file mode 100755
index 00000000..08b34bb7
--- /dev/null
+++ b/test/pamenlarge-pamscale-point.test
@@ -0,0 +1,36 @@
+#! /bin/bash
+# This script tests: pamenlarge pamscale
+# Also requires:
+
+tmpdir=${tmpdir:-/tmp}
+enlarge_ppm=${tmpdir}/enlarge.ppm
+
+# When scale factor is an integer and the pamscale filter is point (default)
+# pamenlarge and pamscale should produce identical output
+
+for option in 1 "2 -filter=point" "3 -linear" "4 -nomix" 5
+  do
+  scale=${option% *}
+  pamenlarge $scale testimg.ppm > ${enlarge_ppm}
+  pamscale   $option testimg.ppm | cmp -s - ${enlarge_ppm}  
+  echo $option ${PIPESTATUS[@]} ":" $?
+  rm  ${enlarge_ppm}  
+  done
+
+
+pamenlarge -xscale=7 -yscale=7 testimg.ppm > ${enlarge_ppm}
+pamscale   -xscale=7 -yscale=7 testimg.ppm | cmp -s - ${enlarge_ppm}  
+echo 7 ${PIPESTATUS[@]} ":" $?
+rm  ${enlarge_ppm}
+
+
+enlarge_pbm=${tmpdir}/enlarge.pbm
+
+for option in "6 -nomix" "15 -nomix -linear" "24 -nomix"
+  do
+  scale=${option%% *}
+  pamenlarge $scale testgrid.pbm > ${enlarge_pbm}
+  pamscale   $option testgrid.pbm | cmp -s - ${enlarge_pbm}  
+  echo $option ${PIPESTATUS[@]} ":" $?
+  rm  ${enlarge_pbm}
+  done
diff --git a/test/pamenlarge-pbm.ok b/test/pamenlarge-pbm.ok
new file mode 100644
index 00000000..dcc2da97
--- /dev/null
+++ b/test/pamenlarge-pbm.ok
@@ -0,0 +1,86 @@
+test 1
+1777627284 265
+2806322261 522
+1951888658 778
+3502911227 1034
+3041987260 1290
+2012524746 1546
+4279863183 1802
+3672763467 2058
+3994368242 2314
+4119105059 2570
+1760702195 2826
+2751077869 3082
+262508159 3339
+743430575 3595
+94950162 3851
+2113456870 4107
+1143977004 4363
+2167141643 4619
+1816864555 4875
+2848735506 5131
+600474914 5387
+3831078134 5643
+1848221383 5899
+test 2
+2525154083 7435
+2525154083 7435
+2525154083 7435
+1983944984 14347
+1983944984 14347
+1983944984 14347
+2319780757 20747
+2319780757 20747
+2319780757 20747
+141252239 26635
+141252239 26635
+141252239 26635
+2074950535 32012
+2074950535 32012
+2074950535 32012
+2906360922 36876
+2906360922 36876
+2906360922 36876
+1320535490 41228
+1320535490 41228
+1320535490 41228
+1972046289 45068
+1972046289 45068
+1972046289 45068
+2203980644 48396
+2203980644 48396
+2203980644 48396
+2060433297 51212
+2060433297 51212
+2060433297 51212
+912377848 53516
+912377848 53516
+912377848 53516
+3346570289 55308
+3346570289 55308
+3346570289 55308
+1851051473 56588
+1851051473 56588
+1851051473 56588
+1940412039 57356
+1940412039 57356
+1940412039 57356
+2001859943 57612
+2001859943 57612
+test 3
+1  2764166846 191
+2  971905193 244
+3  6339889 299
+4  3973389476 342
+5  530215023 403
+6  2124428491 451
+7  2999665126 507
+8  4073302787 539
+9  3877636246 612
+10  1762263341 663
+11  3034611851 717
+12  3339857159 760
+13  119666911 821
+14  4197425209 869
+15  1169924963 924
+16  1845126791 954
diff --git a/test/pamenlarge-pbm.test b/test/pamenlarge-pbm.test
new file mode 100755
index 00000000..10c00ba0
--- /dev/null
+++ b/test/pamenlarge-pbm.test
@@ -0,0 +1,61 @@
+#! /bin/bash
+# This script tests: pamenlarge
+# Also requires: pbmmake pnmpad
+
+tmpdir=${tmpdir:-/tmp}
+complete256_pbm=${tmpdir}/complete256.pbm
+
+# works with gawk and mawk
+# produce all possible 8-bit patterns
+
+LC_ALL=C awk 'BEGIN { print "P4";         # header
+                      print "8 256";
+                      for (i=0;i<256;++i) # raster
+                           printf("%c",i) }' > ${complete256_pbm}
+
+# xscale factor should be tested to at least 21 (=13+8)
+
+# Test 1.
+echo "test 1"
+ 
+for xs in `seq 23`
+  do
+  pamenlarge -xscale=$xs ${complete256_pbm} | cksum
+  done
+
+# Test 2.
+echo "test 2"
+
+for xs1 in `seq 15`
+  do
+  xs2=$((30-$xs1))
+  pamenlarge -xscale=$xs1 ${complete256_pbm} | pamenlarge -xscale=$xs2 | cksum
+  if [ $xs1 != $xs2 ]; then
+  pamenlarge -xscale=$xs2 ${complete256_pbm} | pamenlarge -xscale=$xs1 | cksum
+  fi
+  pamenlarge -xscale=$(($xs1 * $xs2)) ${complete256_pbm} | cksum
+  done
+
+rm ${complete256_pbm}
+
+# Test 3.
+echo "test 3"
+
+test3_pbm=${tmpdir}/test3.pbm
+
+for width in `seq 16`
+  do
+  pbmmake -g ${width} 1 | pnmpad -top=1 -white | \
+      pnmpad -bottom=1 -black > ${test3_pbm}.${width}
+  done
+ 
+  for xscale in `seq 16`
+    do echo -n ${xscale} " "
+    for width in `seq 16`
+      do pamenlarge -xscale=${xscale} ${test3_pbm}.${width} ; done | cksum
+      #
+      # unlike most other tests we take the cksum of a composite PBM file
+      #
+    done
+
+rm ${test3_pbm}.[1-9]  ${test3_pbm}.1[1-6]
\ No newline at end of file
diff --git a/test/pamfile.ok b/test/pamfile.ok
index 57cc8cfd..c0d80c28 100644
--- a/test/pamfile.ok
+++ b/test/pamfile.ok
@@ -3,3 +3,10 @@ testgrid.pbm:	PBM raw, 14 by 16
 stdin:	PGM raw, 227 by 149  maxval 255
 stdin:	PAM, 227 by 149 by 1 maxval 255
     Tuple type: GRAYSCALE
+stdin:	3 images
+stdin:	Image 0:	PBM raw, 14 by 16
+stdin:	Image 1:	PBM raw, 14 by 16
+stdin:	Image 2:	PBM raw, 14 by 16
+227 149
+testimg.ppm: PPM RAW 227 149 3 255 RGB
+stdin: PBM RAW 14 16 1 1 BLACKANDWHITE
diff --git a/test/pamfile.test b/test/pamfile.test
index ac927172..545a2289 100755
--- a/test/pamfile.test
+++ b/test/pamfile.test
@@ -7,3 +7,10 @@ pamfile testimg.ppm
 pamfile testgrid.pbm
 pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | pamtopnm | pamfile
 pamchannel -tupletype="GRAYSCALE" -infile=testimg.ppm 0 | pamfile
+
+cat testgrid.pbm testgrid.pbm testgrid.pbm | pamfile -count
+cat testgrid.pbm testgrid.pbm testgrid.pbm | pamfile -allimages
+
+pamfile -size testimg.ppm
+pamfile -machine testimg.ppm
+cat testgrid.pbm testimg.ppm testgrid.pbm | pamfile -machine
diff --git a/test/pamfind.ok b/test/pamfind.ok
new file mode 100644
index 00000000..dc0f95ed
--- /dev/null
+++ b/test/pamfind.ok
@@ -0,0 +1,83 @@
+Test 1
+Locations containing tuple (43/43/43)/255:
+(6, 0)
+(6, 1)
+(7, 0)
+(7, 1)
+(19, 184)
+Locations containing tuple (210/57/41)/255:
+(44, 109)
+(96, 74)
+(96, 75)
+(100, 75)
+(100, 76)
+(100, 77)
+(100, 78)
+(101, 73)
+(101, 74)
+(101, 75)
+(101, 76)
+(101, 77)
+(101, 78)
+(102, 72)
+Test 2
+Locations containing tuple (1)/1:
+(0, 1)
+(0, 3)
+(0, 5)
+(0, 7)
+(0, 9)
+(0, 11)
+(0, 13)
+(2, 1)
+(2, 3)
+(2, 5)
+(2, 7)
+(2, 9)
+(2, 11)
+(2, 13)
+(4, 1)
+(4, 3)
+(4, 5)
+(4, 7)
+(4, 9)
+(4, 11)
+(4, 13)
+(6, 1)
+(6, 3)
+(6, 5)
+(6, 7)
+(6, 9)
+(6, 11)
+(6, 13)
+(8, 1)
+(8, 3)
+(8, 5)
+(8, 7)
+(8, 9)
+(8, 11)
+(8, 13)
+(10, 1)
+(10, 3)
+(10, 5)
+(10, 7)
+(10, 9)
+(10, 11)
+(10, 13)
+(12, 1)
+(12, 3)
+(12, 5)
+(12, 7)
+(12, 9)
+(12, 11)
+(12, 13)
+(14, 1)
+(14, 3)
+(14, 5)
+(14, 7)
+(14, 9)
+(14, 11)
+(14, 13)
+Test 3
+okay
+okay
diff --git a/test/pamfind.test b/test/pamfind.test
new file mode 100755
index 00000000..39cb1437
--- /dev/null
+++ b/test/pamfind.test
@@ -0,0 +1,32 @@
+#! /bin/bash
+# This script tests: pamfind
+# Also requires:
+
+tmpdir=${tmpdir:-/tmp}
+sorted0_res=${tmpdir}/pamfind_sorted0.res
+sorted1_res=${tmpdir}/pamfind_sorted1.res
+
+# Test 1
+echo Test 1
+pamfind -color=grey17     testimg.ppm 
+pamfind -target=210,57,41 testimg.ppm
+
+# Test 2
+echo Test 2
+pamfind -target=1 testgrid.pbm
+
+# Test 3
+# The two outputs should be disjoint
+echo Test 3
+pamfind -target=0 testgrid.pbm | sort > ${sorted0_res}
+pamfind -target=1 testgrid.pbm | sort > ${sorted1_res}
+comm -3 ${sorted0_res}  ${sorted1_res}  |
+  awk 'END {if (NR==226) print  "okay";
+            else printf("failure (line count=%d)\n", NR)}'
+comm -12 ${sorted0_res}  ${sorted1_res} | 
+  awk '{print}; END { if(NR == 0) print  "okay";
+            else printf("failure (line count=%d)\n", NR)}'
+
+rm ${sorted0_res} ${sorted1_res}
+
+
diff --git a/test/ppmgauss.ok b/test/pamgauss.ok
index cf708d64..153d4f6e 100644
--- a/test/ppmgauss.ok
+++ b/test/pamgauss.ok
@@ -7,15 +7,15 @@
 171732531 55
 448293386 55
 3030522957 55
-757204806 62
-757204806 62
-2890088558 62
-4276668903 62
-1462902064 62
-4161772187 62
-2741154810 62
-417660035 62
-1026188683 62
+1912396937 62
+1912396937 62
+1912396937 62
+1912396937 62
+924437833 62
+2403224870 62
+1828243243 62
+3189486374 62
+3077695768 62
 1236982144 71
 1236982144 71
 2668915323 71
@@ -25,15 +25,15 @@
 1741784255 71
 2975827721 71
 185899480 71
-1890880170 82
-1890880170 82
-2007282168 82
-2290578407 82
-3295586348 82
-3202728672 82
-3794283497 82
-1136760947 82
-2659761303 82
+685596179 82
+685596179 82
+685596179 82
+685596179 82
+3959781759 82
+3753883586 82
+3706474367 82
+2091709635 82
+651233877 82
 3268058875 95
 3268058875 95
 4112134785 95
@@ -43,15 +43,15 @@
 3042873446 95
 299128630 95
 1852505233 95
-3614879265 110
-3614879265 110
-3727088180 110
-3861671574 110
-952180714 110
-1393452065 110
-1551903756 110
-2198775655 110
-3231547603 110
+2257309933 110
+2257309933 110
+2257309933 110
+2257309933 110
+3861656488 110
+130820705 110
+1706835660 110
+4285051006 110
+285426992 110
 3184597171 127
 3184597171 127
 406519147 127
@@ -61,15 +61,15 @@
 1852779549 127
 1734420920 127
 2400421918 127
-3252995941 148
-3252995941 148
-2022176119 148
-473753498 148
-3178129210 148
-2278608777 148
-3169785704 148
-85136480 148
-2396646133 148
+3247957822 148
+3247957822 148
+3247957822 148
+3247957822 148
+3407897457 148
+1176192530 148
+3551192353 148
+557209968 148
+2437783856 148
 1871459418 169
 1871459418 169
 639002491 169
diff --git a/test/ppmgauss.test b/test/pamgauss.test
index 213810c7..b48517c4 100755
--- a/test/ppmgauss.test
+++ b/test/pamgauss.test
@@ -7,6 +7,6 @@ for i in `seq 3 11`
 do
 for s in `seq 1 9`
 do
-pamgauss $i $i -sigma=.$s | cksum
+pamgauss $i $i -oversample=1 -sigma=.$s | cksum
 done
 done
diff --git a/test/pammixmulti-identity.ok b/test/pammixmulti-identity.ok
new file mode 100644
index 00000000..9e712f7f
--- /dev/null
+++ b/test/pammixmulti-identity.ok
@@ -0,0 +1,22 @@
+Test 1.
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+Test 2.
+1926073387 101484
+1926073387 101484
+1926073387 101484
+Test 3.
+1926073387 101484
+1926073387 101484
+1926073387 101484
+Test 4.
+127
+127
+127
+127
+127
+127
diff --git a/test/pammixmulti-identity.test b/test/pammixmulti-identity.test
new file mode 100755
index 00000000..d205c359
--- /dev/null
+++ b/test/pammixmulti-identity.test
@@ -0,0 +1,77 @@
+#! /bin/bash
+# This script tests: pammixmulti
+# Also requires: pgmnoise pnminvert pamsumm
+
+tmpdir=${tmpdir:-/tmp}
+
+# Test 1.  Should print 1926073387 101484 six times
+echo Test 1.
+
+pammixmulti testimg.ppm | cksum
+pammixmulti testimg.ppm testimg.ppm | cksum
+pammixmulti testimg.ppm testimg.ppm testimg.ppm | cksum
+pammixmulti -blend=average testimg.ppm testimg.ppm | cksum
+pammixmulti -blend=average testimg.ppm testimg.ppm testimg.ppm | cksum
+pammixmulti -blend=random -randomseed=1 \
+    testimg.ppm testimg.ppm testimg.ppm | cksum
+
+
+# Test 2.  Should print 1926073387 101484 three times
+echo Test 2.
+
+mask_pgm=${tmpdir}/mask.pgm
+pgmnoise -maxval=2 -randomseed=1 227 149 > ${mask_pgm}
+
+for sd in 0.5 1.2 3.0 
+  do
+  pammixmulti -blend=mask -maskfile=${mask_pgm} -stdev=${sd} \
+      testimg.ppm testimg.ppm testimg.ppm | cksum
+  done
+rm ${mask_pgm}
+
+# Test 3.  Should print
+echo Test 3.
+
+noise_pgm=${tmpdir}/noise.pgm
+pgmnoise --randomseed=1 227 149 > ${noise_pgm}
+
+pammixmulti -blend=mask -maskfile=${noise_pgm} \
+    testimg.ppm testimg.ppm | cksum
+pammixmulti -blend=mask -maskfile=${noise_pgm} \
+    testimg.ppm testimg.ppm testimg.ppm | cksum
+pammixmulti -blend=mask -maskfile=${noise_pgm} \
+    testimg.ppm testimg.ppm testimg.ppm testimg.ppm | cksum
+rm ${noise_pgm}
+
+
+# Test 4.
+
+# Mix image with its own inverse.
+# Output should be a monotone gray sheet.
+#  Should print 127 six times
+echo Test 4.
+
+invert_ppm=${tmpdir}/invert.ppm
+monotone_ppm=${tmpdir}/monotone.ppm
+
+pnminvert testimg.ppm > ${invert_ppm}
+
+pammixmulti -blend=average testimg.ppm ${invert_ppm} | tee ${monotone_ppm} | \
+  pamsumm -brief -max &&
+  pamsumm -brief -min ${monotone_ppm}
+rm ${monotone_ppm}
+
+pammixmulti -blend=average \
+    testimg.ppm ${invert_ppm} testimg.ppm ${invert_ppm} | \
+  tee ${monotone_ppm} | \
+  pamsumm -brief -max &&
+  pamsumm -brief -min ${monotone_ppm}
+rm ${monotone_ppm}
+
+pammixmulti -blend=average \
+    testimg.ppm testimg.ppm ${invert_ppm} ${invert_ppm} | \
+  tee ${monotone_ppm} | \
+  pamsumm -brief -max &&
+  pamsumm -brief -min ${monotone_ppm}
+
+rm ${monotone_ppm} ${invert_ppm}
diff --git a/test/pamscale-filters1.ok b/test/pamscale-filters1.ok
new file mode 100644
index 00000000..083505ee
--- /dev/null
+++ b/test/pamscale-filters1.ok
@@ -0,0 +1,15 @@
+4 box:
+match
+match
+9 triangle:
+match
+match
+4 quadratic:
+match
+match
+10 cubic:
+match
+match
+4 catrom:
+match
+match
diff --git a/test/pamscale-filters1.test b/test/pamscale-filters1.test
new file mode 100755
index 00000000..63e0d012
--- /dev/null
+++ b/test/pamscale-filters1.test
@@ -0,0 +1,64 @@
+#! /bin/bash
+# This script tests: pamscale pamenlarge
+# Also requires: pamvalidate pnmpsnr
+
+tmpdir=${tmpdir:-/tmp}
+enlarge_ppm=${tmpdir}/enlarge.ppm
+
+width_height=`pamfile -size testimg.ppm | \
+                awk '{print "-width="$1, "-height="$2}'`
+
+# The target values here were determined by running the test on a
+# 32-bit GNU/Linux system and subtracting 2.5 (dB) from observed
+# values.
+
+pamenlarge  4 testimg.ppm | pamvalidate > ${enlarge_ppm}
+echo  4 box:  
+pamscale  4 -filter=box testimg.ppm | \
+  pnmpsnr -target1=35.67 -target2=49.25 -target3=43.28 - ${enlarge_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+ 
+pamscale ${width_height} -filter=point ${enlarge_ppm} | \
+  pnmpsnr -target1=1000 -target2=1000 -target3=1000 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${enlarge_ppm}
+
+pamenlarge  9 testimg.ppm | pamvalidate > ${enlarge_ppm}
+echo  9 triangle:  
+pamscale  9 -filter=triangle testimg.ppm | \
+  pnmpsnr -target1=35.27 -target2=49.06 -target3=43.11 - ${enlarge_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+pamscale ${width_height} -filter=triangle ${enlarge_ppm} | \
+  pnmpsnr -target1=41.52 -target2=56.96 -target3=52.68 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${enlarge_ppm}
+
+pamenlarge  4 testimg.ppm | pamvalidate > ${enlarge_ppm}
+echo  4 quadratic:  
+pamscale  4 -filter=quadratic testimg.ppm | \
+  pnmpsnr -target1=35.39 -target2=49.36 -target3=43.46 - ${enlarge_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+pamscale ${width_height} -filter=quadratic ${enlarge_ppm} | \
+  pnmpsnr -target1=39.34 -target2=55.24 -target3=50.65 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${enlarge_ppm}
+
+pamenlarge 10 testimg.ppm | pamvalidate > ${enlarge_ppm}
+echo 10 cubic:  
+pamscale 10 -filter=cubic testimg.ppm | \
+  pnmpsnr -target1=34.39 -target2=48.45 -target3=42.52 - ${enlarge_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+pamscale ${width_height} -filter=cubic ${enlarge_ppm} | \
+  pnmpsnr -target1=37.7 -target2=53.84 -target3=48.96 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${enlarge_ppm}
+
+pamenlarge  4 testimg.ppm | pamvalidate > ${enlarge_ppm}
+echo  4 catrom:  
+pamscale  4 -filter=catrom testimg.ppm | \
+  pnmpsnr -target1=36.05 -target2=49.51 -target3=43.49 - ${enlarge_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+pamscale ${width_height} -filter=catrom ${enlarge_ppm} | \
+  pnmpsnr -target1=46.5 -target2=60.68 -target3=57.8 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${enlarge_ppm}
diff --git a/test/pamscale-filters2.ok b/test/pamscale-filters2.ok
new file mode 100644
index 00000000..b8d51d37
--- /dev/null
+++ b/test/pamscale-filters2.ok
@@ -0,0 +1,24 @@
+-xscale=4 -yscale=3 mitchell:
+match
+match
+-xscale=3 -yscale=4 gauss:
+match
+match
+-xscale=2 -yscale=2 sinc:
+match
+match
+-xscale=2 -yscale=4 bessel:
+match
+match
+-xscale=3 -yscale=3 hanning:
+match
+match
+-xscale=5 -yscale=5 hamming:
+match
+match
+5.85 blackman:
+match
+match
+5.10 kaiser:
+match
+match
diff --git a/test/pamscale-filters2.test b/test/pamscale-filters2.test
new file mode 100755
index 00000000..f7370020
--- /dev/null
+++ b/test/pamscale-filters2.test
@@ -0,0 +1,97 @@
+#! /bin/bash
+# This script tests: pamscale pamstretch pamstretch-gen
+# Also requires: pamvalidate pnmpsnr
+
+tmpdir=${tmpdir:-/tmp}
+stretch_ppm=${tmpdir}/stretch.ppm
+
+width_height=`pamfile -size testimg.ppm | \
+                awk '{print "-width="$1, "-height="$2}'`
+
+pamstretch -xscale=4 -yscale=3 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo -xscale=4 -yscale=3 mitchell:  
+pamscale -xscale=4 -yscale=3 -filter=mitchell testimg.ppm | \
+  pnmpsnr -target1=34.15 -target2=46.95 -target3=41.02 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=mitchell ${stretch_ppm} | \
+  pnmpsnr -target1=33.36 -target2=46.74 -target3=40.79 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch -xscale=3 -yscale=4 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo -xscale=3 -yscale=4 gauss:  
+pamscale -xscale=3 -yscale=4 -filter=gauss testimg.ppm | \
+  pnmpsnr -target1=34.4 -target2=46.98 -target3=41.07 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=gauss ${stretch_ppm} | \
+  pnmpsnr -target1=33.1 -target2=46.61 -target3=40.64 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch -xscale=2 -yscale=2 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo -xscale=2 -yscale=2 sinc:  
+pamscale -xscale=2 -yscale=2 -filter=sinc testimg.ppm | \
+  pnmpsnr -target1=36.27 -target2=49.39 -target3=43.62 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=sinc ${stretch_ppm} | \
+  pnmpsnr -target1=36.23 -target2=49.47 -target3=43.69 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch -xscale=2 -yscale=4 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo -xscale=2 -yscale=4 bessel:  
+pamscale -xscale=2 -yscale=4 -filter=bessel testimg.ppm | \
+  pnmpsnr -target1=35.09 -target2=47.77 -target3=41.88 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=bessel ${stretch_ppm} | \
+  pnmpsnr -target1=33.99 -target2=47.47 -target3=41.55 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch -xscale=3 -yscale=3 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo -xscale=3 -yscale=3 hanning:  
+pamscale -xscale=3 -yscale=3 -filter=hanning testimg.ppm | \
+  pnmpsnr -target1=34.73 -target2=47.42 -target3=41.54 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=hanning ${stretch_ppm} | \
+  pnmpsnr -target1=33.86 -target2=47.24 -target3=41.29 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch -xscale=5 -yscale=5 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo -xscale=5 -yscale=5 hamming:  
+pamscale -xscale=5 -yscale=5 -filter=hamming testimg.ppm | \
+  pnmpsnr -target1=33.4 -target2=46.02 -target3=40.07 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=hamming ${stretch_ppm} | \
+  pnmpsnr -target1=32.49 -target2=45.81 -target3=39.8 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch-gen 5.85 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo 5.85 blackman:  
+pamscale 5.85 -filter=blackman testimg.ppm | \
+  pnmpsnr -target1=34.29 -target2=48.78 -target3=42.75 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=blackman ${stretch_ppm} | \
+  pnmpsnr -target1=33.69 -target2=48.83 -target3=42.72 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch-gen 5.10 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo 5.10 kaiser:  
+pamscale 5.10 -filter=kaiser testimg.ppm | \
+  pnmpsnr -target1=34.58 -target2=49.03 -target3=43.01 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=blackman ${stretch_ppm} | \
+  pnmpsnr -target1=33.69 -target2=48.83 -target3=42.72 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
diff --git a/test/pamscale-filters3.ok b/test/pamscale-filters3.ok
new file mode 100644
index 00000000..94d4ae96
--- /dev/null
+++ b/test/pamscale-filters3.ok
@@ -0,0 +1,7 @@
+failure : 0
+3.96 hermite:
+match
+match
+2.75 lanczos:
+match
+match
diff --git a/test/pamscale-filters3.test b/test/pamscale-filters3.test
new file mode 100755
index 00000000..83198e2b
--- /dev/null
+++ b/test/pamscale-filters3.test
@@ -0,0 +1,32 @@
+#! /bin/bash
+# This script tests: pamscale pamstretch pamstretch-gen 
+ # Also requires: pamvalidate pnmpsnr || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+tmpdir=${tmpdir:-/tmp}
+stretch_ppm=${tmpdir}/stretch.ppm
+
+width_height=`pamfile -size testimg.ppm | \
+                awk '{print "-width="$1, "-height="$2}'`
+
+pamstretch-gen 3.96 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo 3.96 hermite:  
+pamscale 3.96 -filter=hermite testimg.ppm | \
+  pnmpsnr -target1=34.13 -target2=48.95 -target3=42.73 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=hermite ${stretch_ppm} | \
+  pnmpsnr -target1=33.12 -target2=48.59 -target3=42.3 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
+
+pamstretch-gen 2.75 testimg.ppm | pamvalidate > ${stretch_ppm}
+echo 2.75 lanczos:  
+pamscale 2.75 -filter=lanczos testimg.ppm | \
+  pnmpsnr -target1=32.93 -target2=48.28 -target3=41.89 - ${stretch_ppm} || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+
+pamscale ${width_height} -filter=lanczos ${stretch_ppm} | \
+  pnmpsnr -target1=32.81 -target2=48.43 -target3=41.94 testimg.ppm - || \
+  echo failure ${PIPESTATUS[@]} ":" $?
+rm ${stretch_ppm}
diff --git a/test/pamscale-reportonly.ok b/test/pamscale-reportonly.ok
new file mode 100644
index 00000000..00152411
--- /dev/null
+++ b/test/pamscale-reportonly.ok
@@ -0,0 +1,18 @@
+227 149 3.000000 3.000000 681 447
+227 149 5.000000 5.000000 1135 745
+227 149 2.682819 2.684564 609 400
+227 149 2.819383 2.818792 640 420
+227 149 0.440529 0.442953 100 66
+227 149 0.167401 0.167785 38 25
+227 149 0.101322 0.100671 23 15
+227 149 2.819383 2.684564 640 400
+227 149 2.819383 2.684564 640 400
+227 149 2.819383 2.000000 640 298
+227 149 1.400881 2.684564 318 400
+227 149 1.000000 1.000000 227 149
+expected error
+expected error
+expected error
+expected error
+expected error
+expected error
diff --git a/test/pamscale-reportonly.test b/test/pamscale-reportonly.test
new file mode 100755
index 00000000..7205be2f
--- /dev/null
+++ b/test/pamscale-reportonly.test
@@ -0,0 +1,35 @@
+#! /bin/bash
+# This script tests: pamscale
+# Also requires:
+
+pamscale -reportonly 3 testimg.ppm
+pamscale -reportonly 5 testimg.ppm
+pamscale -reportonly -xysize 640 400 testimg.ppm
+pamscale -reportonly -xyfill 640 400 testimg.ppm
+pamscale -reportonly -xyfit  100 100 testimg.ppm
+pamscale -reportonly -reduce 6 testimg.ppm
+pamscale -reportonly -reduce 10 testimg.ppm
+pamscale -reportonly -xsize=640 -ysize=400 testimg.ppm
+pamscale -reportonly -width=640 -height=400 testimg.ppm
+pamscale -reportonly -width=640 -yscale=2 testimg.ppm
+pamscale -reportonly -xscale=1.4 -height=400 testimg.ppm
+pamscale -reportonly -pixels=45000 testimg.ppm
+
+# expected error cases
+echo 1>&2
+echo "Invalid command-line argument combinations." 1>&2
+echo "Error messages should appear below the line." 1>&2
+echo "-----------------------------------------------------------" 1>&2
+pamscale -reportonly -xsize=640 -ysize=400 -xscale=2 testimg.ppm || \
+  echo expected error
+pamscale -reportonly -xsize=640 -xscale=2 -yscale=3 testimg.ppm || \
+  echo expected error
+pamscale -reportonly -xsize=640 -ysize=400 -pixels=200000 testimg.ppm || \
+  echo expected error
+pamscale -reportonly -xsize=640 -ysize=400 -xysize 640 400 testimg.ppm || \
+  echo expected error
+pamscale -reportonly -xsize=640 -ysize=400 -xyfit  640 400 testimg.ppm || \
+  echo expected error
+pamscale -reportonly -xsize=640 -ysize=400 -xyfill 640 400 testimg.ppm || \
+  echo expected error
+
diff --git a/test/pamstretch.ok b/test/pamstretch.ok
new file mode 100644
index 00000000..3253cfd6
--- /dev/null
+++ b/test/pamstretch.ok
@@ -0,0 +1,20 @@
+test 1
+211995824 12277766
+test 2
+1361899 202953
+test 3
+2735552884 302379
+test 4
+3681010585 802767
+test 5
+1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+test 6
+3638965616 913236
+598302847 913236
+220708621 903111
+3948746482 903111
+3948746482 903111
+220708621 903111
diff --git a/test/pamstretch.test b/test/pamstretch.test
new file mode 100755
index 00000000..55dd4e9c
--- /dev/null
+++ b/test/pamstretch.test
@@ -0,0 +1,48 @@
+#! /bin/bash
+# This script tests: pamstretch
+# Also requires: pamcut pamfile
+
+# Test 1.  Should print 211995824 12277766
+echo test 1
+pamstretch 11 testimg.ppm | cksum
+
+# Test 2.  Should print 1361899 202953
+echo test 2
+
+pamstretch -xscale=2 -blackedge testimg.ppm | cksum
+
+# Test 3.  Should print 3427416462 301047
+echo test 3
+dropedge1_ppm=${tmpdir}/drop1.ppm
+pamstretch -yscale=3 -dropedge testimg.ppm | tee ${dropedge1_ppm} | cksum
+
+# Test 4. Should print 3681010585 802767
+echo test 4
+pamstretch -xscale=2 -yscale=4 -dropedge testimg.ppm | cksum
+
+# Test 5.  Should print 1926073387 101484 four times
+echo test 5
+pamstretch 1 testimg.ppm | cksum
+pamstretch -xscale=1 -yscale=1 testimg.ppm | cksum
+pamstretch 1 -dropedge testimg.ppm | cksum
+pamstretch 1 -blackedge testimg.ppm | cksum
+
+# Test 6.
+# Should print 3638965616 913236 , 598302847 913236 
+# followed by 3948746482 903111 four times and finally
+# -width=678 -height=444"
+
+echo test 6
+stretch_ppm=${tmpdir}/stretch.ppm
+dropedge_ppm=${tmpdir}/drop.ppm
+blackedge_ppm=${tmpdir}/black.ppm
+pamstretch 3 testimg.ppm | tee ${stretch_ppm} | cksum
+pamstretch 3 -blackedge testimg.ppm | tee ${blackedge_ppm} | cksum
+pamstretch -xscale=3 -dropedge ${dropedge1_ppm} | tee ${dropedge_ppm} | cksum
+width_height=`pamfile -size ${dropedge_ppm} | \
+              awk '{print "-width="$1, "-height="$2}'`
+pamcut -left=0 -top=0 ${width_height} ${stretch_ppm} | cksum
+pamcut -left=0 -top=0 ${width_height} ${blackedge_ppm} | cksum
+pamcut -left=0 -top=0 ${width_height} ${dropedge_ppm} | cksum
+
+rm ${stretch_ppm} ${dropedge_ppm} ${dropedge1_ppm} ${blackedge_ppm}
\ No newline at end of file
diff --git a/test/pamtable.ok b/test/pamtable.ok
new file mode 100644
index 00000000..c8db6002
--- /dev/null
+++ b/test/pamtable.ok
@@ -0,0 +1,66 @@
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 1 0 1 0 1 0 1 0 1 0 1 0 1
+0 0 0 0 0 0 0 0 0 0 0 0 0 0
+
+0 0 0|0 0 1|0 0 2|0 1 0|0 1 1|0 1 2|0 2 0|0 2 1|0 2 2|1 0 0|1 0 1|1 0 2|1 1 0|1 1 1|1 1 2|1 2 0|1 2 1|1 2 2|2 0 0|2 0 1|2 0 2|2 1 0|2 1 1|2 1 2|2 2 0|2 2 1|2 2 2
+
+0 0 0 0|0 0 0 1|0 0 1 0|0 0 1 1|0 1 0 0|0 1 0 1|0 1 1 0|0 1 1 1|1 0 0 0|1 0 0 1|1 0 1 0|1 0 1 1|1 1 0 0|1 1 0 1|1 1 1 0|1 1 1 1
+
+9 0
+0 9
+
+0 0 0|4 4 4|9 9 9
+0 0 0|4 4 4|9 9 9
+
+9 0 0|0 0 9|0 0 9|0 9 0
+9 0 0|0 0 9|0 0 9|0 9 0
+
+10  0
+ 0 10
+
+ 0  0  0| 5  5  5|10 10 10
+ 0  0  0| 5  5  5|10 10 10
+
+10  0  0| 0  0 10| 0  0 10| 0 10  0
+10  0  0| 0  0 10| 0  0 10| 0 10  0
+
+9999    0
+   0 9999
+
+   0    0    0|4980 4980 4980|9999 9999 9999
+   0    0    0|4980 4980 4980|9999 9999 9999
+
+9999    0    0|   0    0 9999|   0    0 9999|   0 9999    0
+9999    0    0|   0    0 9999|   0    0 9999|   0 9999    0
+
+10000     0
+    0 10000
+
+    0     0     0| 4980  4980  4980|10000 10000 10000
+    0     0     0| 4980  4980  4980|10000 10000 10000
+
+10000     0     0|    0     0 10000|    0     0 10000|    0 10000     0
+10000     0     0|    0     0 10000|    0     0 10000|    0 10000     0
+
+65535     0
+    0 65535
+
+    0     0     0|32639 32639 32639|65535 65535 65535
+    0     0     0|32639 32639 32639|65535 65535 65535
+
+65535     0     0|    0     0 65535|    0     0 65535|    0 65535     0
+65535     0     0|    0     0 65535|    0     0 65535|    0 65535     0
+
diff --git a/test/pamtable.test b/test/pamtable.test
new file mode 100755
index 00000000..5c66b7ae
--- /dev/null
+++ b/test/pamtable.test
@@ -0,0 +1,20 @@
+#! /bin/bash
+# This script tests: pamtable
+# Also requires: pamgradient pamseq pamdepth
+
+pamtable testgrid.pbm
+echo
+pamseq 3 2 -tupletype=RGB | pamtable
+echo
+pamseq 4 1 -tupletype=RGBA | pamtable
+echo
+for maxval in 9 10 9999 10000 65535
+  do pbmmake -g 2 2 | pamdepth $maxval | pamtable
+     echo
+     ppmrainbow -width=3 -height=2 -norepeat black white | \
+     pamdepth $maxval | pamtable
+     echo
+     ppmrainbow -width=4 -height=2 -norepeat red blue green | \
+     pamdepth $maxval | pamtable
+     echo
+  done
diff --git a/test/pamtopdbimg.ok b/test/pamtopdbimg.ok
new file mode 100644
index 00000000..57258940
--- /dev/null
+++ b/test/pamtopdbimg.ok
@@ -0,0 +1,20 @@
+high compression
+2
+1
+poor compression
+1
+2
+long titles
+268
+0
+268
+0
+0
+1
+large notefile
+3344
+0
+68885
+0
+0
+1
diff --git a/test/pamtopdbimg.test b/test/pamtopdbimg.test
new file mode 100755
index 00000000..8de78a70
--- /dev/null
+++ b/test/pamtopdbimg.test
@@ -0,0 +1,95 @@
+#! /bin/bash
+# This script tests: pamtopdbimg
+# Also requires: pgmmake pgmnoise
+
+tmpdir=${tmpdir:-/tmp}
+mono_pgm=${tmpdir}/graymono.pgm
+noise_pgm=${tmpdir}/graynoise.pgm
+text65533=${tmpdir}/ascii65533.txt
+text65534=${tmpdir}/ascii65534.txt
+text65597=${tmpdir}/ascii65597.txt
+
+# The PDB image format has a time stamp.  This causes pamtopdbimg
+# to produce slightly different output files with each invocation.
+
+# Test 1. High compression
+# -maybecompressed should produce a compressed file
+# Should print:
+#  2
+#  1
+echo high compression
+pgmmake 0.5 -maxval=15 160 160 > ${mono_pgm}
+for flag in "-compressed" "-maybecompressed" "-uncompressed"
+   do
+   pamtopdbimg $flag ${mono_pgm} | wc -c
+   done  | uniq -c | awk '{print $1}'
+rm ${mono_pgm}
+
+
+# Test 2. Poor compression
+#  -maybecompressed should produce a uncompressed file
+# Should print:
+#  1
+#  2
+echo poor compression
+pgmnoise -maxval=15 -randomseed=0 160 160 > ${noise_pgm}
+for flag in "-compressed" "-maybecompressed" "-uncompressed"
+   do
+   pamtopdbimg $flag ${noise_pgm} | wc -c
+   done  | uniq -c | awk '{print $1}'
+rm ${noise_pgm}
+
+
+# Test 3. long titles
+# Should succeed twice and fail once, producing:
+# 268
+# 0
+# 268
+# 0
+# 1
+# 0
+
+# Some versions of wc have extra whitespace in the output (e.g. MAC OS)
+# Delete with tr -d
+
+echo long titles 
+for flag in "" "-title=0123456789012345678901234567890" \
+               "-title=01234567890123456789012345678901"
+   do
+   pamtopdbimg $flag testgrid.pbm | wc -c | tr -d ' '
+   echo ${PIPESTATUS[0]}
+   done
+
+
+
+# Test 4. large notefile
+# Should succeed twice and fail once, producing:
+# 3344
+# 0
+# 68886
+# 0
+# 1
+# 0
+echo large notefile 
+awk 'BEGIN { ABC="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+             abc="abcdefghijklmnopqrstuvwxyz";
+             digits="0123456789"; string ="";
+
+             while ( length(string) < 65597 ) 
+                string = string ABC abc digits;
+
+             print string }' > ${text65597}
+
+head -c 65533 ${text65597} > ${text65533}
+head -c 65534 ${text65597} > ${text65534}
+pamtopdbimg -uncompressed testgrid.pbm | \
+  wc -c | tr -d ' '
+  echo ${PIPESTATUS[0]}
+pamtopdbimg -uncompressed -notefile=${text65533} testgrid.pbm | \
+  wc -c | tr -d ' '
+  echo ${PIPESTATUS[0]}
+pamtopdbimg -uncompressed -notefile=${text65534} testgrid.pbm | \
+  wc -c | tr -d ' '
+  echo ${PIPESTATUS[0]}
+
+rm ${text65533} ${text65534} ${text65597}
\ No newline at end of file
diff --git a/test/pbmtext-bdf.ok b/test/pbmtext-bdf.ok
new file mode 100644
index 00000000..b1486493
--- /dev/null
+++ b/test/pbmtext-bdf.ok
@@ -0,0 +1,21 @@
+386826492 35
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
diff --git a/test/pbmtext-bdf.test b/test/pbmtext-bdf.test
new file mode 100755
index 00000000..50df7b75
--- /dev/null
+++ b/test/pbmtext-bdf.test
@@ -0,0 +1,169 @@
+#! /bin/bash
+# This script tests: pbmtext
+# Also requires:
+
+tmpdir=${tmpdir:-/tmp}
+
+font_bdf=${tmpdir}/font.bdf
+font_corrupt=${tmpdir}/fontcorrupt
+
+# Though this BDF font file defines only three letters, it is valid.
+
+cat > ${font_bdf} << EOF
+STARTFONT 2.1
+COMMENT simple font for pbmtext test
+COMMENT derived from: $XFree86: xc/fonts/bdf/misc/micro.bdf,v 1.1 1999/09/25 14:36:34 dawes Exp $
+FONT test
+SIZE 4 75 75
+FONTBOUNDINGBOX 4 5 0 0
+STARTPROPERTIES 5
+FONT_DESCENT 0
+FONT_ASCENT 5
+CHARSET_REGISTRY "ISO88591"
+CHARSET_ENCODING "1"
+COPYRIGHT "Public domain font.  Share and enjoy."
+ENDPROPERTIES
+CHARS 3
+STARTCHAR A
+ENCODING 65
+SWIDTH 1000 0
+DWIDTH 4 0
+BBX 4 5 0 0
+BITMAP
+e0
+a0
+e0
+a0
+a0
+ENDCHAR
+STARTCHAR B
+ENCODING 66
+SWIDTH 1000 0
+DWIDTH 4 0
+BBX 4 5 0 0
+BITMAP
+e0
+a0
+c0
+a0
+e0
+ENDCHAR
+STARTCHAR C
+ENCODING 67
+SWIDTH 1000 0
+DWIDTH 4 0
+BBX 4 5 0 0
+BITMAP
+e0
+80
+80
+80
+e0
+ENDCHAR
+ENDFONT
+EOF
+
+# Test 1
+# This should succeed and produce 386826492 35
+pbmtext -font ${font_bdf} ABC | cksum
+
+
+# Test 2
+# These should all fail.  Writes 1 eightteen times.
+
+echo "Test whether corrupted BDF font files are properly handled." 1>&2
+echo "Error messages should appear below the line." 1>&2
+echo "-----------------------------------------------------------" 1>&2
+
+pbmtext -font ${font_bdf} BCD
+echo $?
+
+for token in "STARTPROPERTIES" "CHARS" "STARTCHAR" "ENCODING" "DWIDTH"
+do
+  font_corrupt_bdf=${font_corrupt}.naked_${token}.bdf
+  sed 's/^'${token}' .*$/'${token}'/' \
+    ${font_bdf} >  ${font_corrupt_bdf}
+  pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+  echo $?
+  rm ${font_corrupt_bdf}
+done
+
+font_corrupt_bdf=${font_corrupt}.fbbx_narrow.bdf
+sed 's/FONTBOUNDINGBOX 4 5 0 0/FONTBOUNDINGBOX 4 4 0 0/' \
+  ${font_bdf} > ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.fbbx_low.bdf
+sed 's/FONTBOUNDINGBOX 4 5 0 0/FONTBOUNDINGBOX 3 5 0 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.bbx_only3fields.bdf
+sed 's/BBX 4 5 0 0/BBX 4 5 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.bbx_wide.bdf
+sed 's/BBX 4 5 0 0/BBX 9 5 0 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.bbx_zerowidth.bdf
+sed 's/BBX 4 5 0 0/BBX 0 5 0 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.bbx_tall.bdf
+sed 's/BBX 4 5 0 0/BBX 4 6 0 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.bbx_low.bdf
+sed 's/BBX 4 5 0 0/BBX 4 1 0 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+font_corrupt_bdf=${font_corrupt}.bbx_zeroheight.bdf
+sed 's/BBX 4 5 0 0/BBX 4 0 0 0/' \
+  ${font_bdf} >  ${font_corrupt_bdf}
+pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+echo $?
+rm ${font_corrupt_bdf}
+
+for delete_line in 14 16 18 20
+  do
+  font_corrupt_bdf=${font_corrupt}.del${delete_line}.pdf
+  sed "${delete_line}"d ${font_bdf} >  ${font_corrupt_bdf}
+  pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+  echo $?
+  rm ${font_corrupt_bdf}
+  done
+
+
+# Test 2
+# These should succeed.  Warning messages will be displayed.
+# Writes 1 two times.
+
+for token in "CHARSET_ENCODING" "CHARSET_REGISTRY"
+do
+  font_corrupt_bdf=${font_corrupt}.naked_${token}.bdf
+  sed 's/^'${token}' .*$/'${token}'/' \
+    ${font_bdf} >  ${font_corrupt_bdf}
+  pbmtext -font ${font_corrupt_bdf} ABC > /dev/null
+  echo $?
+  rm ${font_corrupt_bdf}
+done
diff --git a/test/pbmtext-iso88591.ok b/test/pbmtext-iso88591.ok
new file mode 100644
index 00000000..6cc1a856
--- /dev/null
+++ b/test/pbmtext-iso88591.ok
@@ -0,0 +1,4 @@
+3806607098 5110
+3806607098 5110
+2858870527 192
+2858870527 192
diff --git a/test/pbmtext-iso88591.test b/test/pbmtext-iso88591.test
new file mode 100755
index 00000000..bc5e83ab
--- /dev/null
+++ b/test/pbmtext-iso88591.test
@@ -0,0 +1,46 @@
+#! /bin/bash
+# This script tests: pbmtext
+# Also requires:
+
+# This test requires the following locale:
+#   LC_ALL en_US.iso88591
+# Skip this test if it is not available
+
+iconv /dev/null
+if [ $? -ne 0  ]
+  then echo "iconv command not available." 1>&2
+       echo "Skipping." 1>&2
+  exit 80;
+fi
+
+echo "A" | LC_ALL=en_US.iso88591 pbmtext -wchar > /dev/null
+if [ $? -ne 0  ]
+  then echo "LC_ALL could not be set to en_US.iso88591" 1>&2
+       echo "Skipping." 1>&2
+  exit 80;
+fi
+
+# Two rows
+# Should print 3806607098 5110 twice
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=160;i<=255;++i) printf("%c",i); }' | \
+    pbmtext -builtin bdf | cksum
+
+
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=160;i<=255;++i) printf("%c",i); }' | \
+    LC_ALL=en_US.iso88591 pbmtext -builtin bdf -wchar | cksum
+
+
+# Two rows
+# Should print 2858870527 192 twice
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=161;i<=255;++i) printf("%c",i); print "" }' | cksum
+
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=161;i<=255;++i) printf("%c",i); print ""}' | \
+    LC_ALL=en_US.iso88591 pbmtext -builtin bdf -wchar -text-dump | cksum
\ No newline at end of file
diff --git a/test/pbmtext-utf8.ok b/test/pbmtext-utf8.ok
new file mode 100644
index 00000000..588bf617
--- /dev/null
+++ b/test/pbmtext-utf8.ok
@@ -0,0 +1,8 @@
+2066913605 5110
+2066913605 5110
+2920616515 2301
+2920616515 2301
+0 0 0 0 : 0
+ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
+ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
+0 1 : 1
diff --git a/test/pbmtext-utf8.test b/test/pbmtext-utf8.test
new file mode 100755
index 00000000..cf495b7c
--- /dev/null
+++ b/test/pbmtext-utf8.test
@@ -0,0 +1,95 @@
+#! /bin/bash
+# This script tests: pbmtext
+# Also requires:
+
+# This test requires the en_US.utf8 locale
+# Skip this test if it is not available
+
+iconv /dev/null
+if [ $? -ne 0  ]
+  then echo "iconv command not available." 1>&2
+       echo "Skipping." 1>&2
+  exit 80;
+fi
+
+echo "A" | LC_ALL=en_US.utf8 pbmtext -wchar > /dev/null
+if [ $? -ne 0  ]
+  then echo "LC_ALL could not be set to en_US.utf8." 1>&2
+       echo "Skipping." 1>&2
+  exit 80;
+fi
+
+# Test 1.
+# Two rows
+# Should print 2066913605 5110 twice
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=161;i<=255;++i) printf("%c",i); }' | \
+    pbmtext -builtin bdf | cksum
+
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=161;i<=255;++i) printf("%c",i);  }' | \
+    iconv -f iso8859-1 -t utf-8 | \
+    LC_ALL=en_US.utf8 pbmtext -builtin bdf -wchar | cksum
+
+
+# Test 2.
+# One row
+# Should print 2920616515 2301 twice
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print "" }' | \
+    pbmtext -builtin bdf | cksum
+
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i);  print ""}' | \
+    LC_ALL=en_US.utf8 pbmtext -builtin bdf -wchar | cksum
+
+
+tmpdir=${tmpdir:-/tmp}
+output=${tmpdir}/output
+
+
+# Test 3.
+# Two rows
+# Output may be affected by locale.  Compare with cmp.
+# Should print 0
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=161;i<=255;++i) printf("%c",i); print "" }' | \
+    iconv -f iso8859-1 -t utf-8 > ${output}
+
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""; \
+             for (i=161;i<=255;++i) printf("%c",i); print "" }' | \
+    iconv -f iso8859-1 -t utf-8 | \
+    LC_ALL=en_US.utf8 pbmtext -builtin bdf -wchar -text-dump | \
+    cmp --quiet - ${output}
+
+echo ${PIPESTATUS[@]} ":" $?
+rm ${output}
+
+
+# Test 4.
+# One row
+# Should print the following twice:
+# !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print "" } '
+
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i); print ""}' | \
+        LC_ALL=en_US.utf8 pbmtext -builtin bdf -wchar -text-dump
+
+
+echo "Invalid utf-8 sequence as input." 1>&2
+echo "An error message should appear below the line." 1>&2
+echo "-----------------------------------------------------------" 1>&2
+
+# Test 5.
+# Invalid utf-8 sequence
+# Should print 1
+LC_ALL=C \
+awk 'BEGIN { for (i=128; i<=129;++i) printf("%c",i);  print ""}' | \
+        LC_ALL=en_US.utf8 pbmtext -builtin bdf -wchar -text-dump
+echo ${PIPESTATUS[@]} ":" $?
diff --git a/test/pbmtext.ok b/test/pbmtext.ok
index 438fe7b8..96e351f9 100644
--- a/test/pbmtext.ok
+++ b/test/pbmtext.ok
@@ -1,21 +1,16 @@
-1427751145 328
-1975911793 129
-3145408696 273
-2662867350 328
-3630387453 129
-1251480181 297
-1522829573 299
-1333433014 114
-4128014259 249
-2350105502 270
-2044333794 84
-2845861861 177
-2754777566 416
-3452484090 174
-2294575230 297
-67558248 387
-1647907430 159
-2846042958 249
-307551150 328
-584153820 114
-3355717231 177
+3898818212 967
+3898818212 967
+2506052117 1354
+2506052117 1354
+1028079028 967
+1888680721 445
+1305436978 1018
+1028079028 967
+1028079028 967
+1305436978 1018
+1305436978 1018
+1647614653 2027
+1647614653 2027
+1647614653 2027
+2547645687 4564
+1174281741 5741
diff --git a/test/pbmtext.test b/test/pbmtext.test
index dffb2cb4..38578636 100755
--- a/test/pbmtext.test
+++ b/test/pbmtext.test
@@ -1,12 +1,94 @@
 #! /bin/bash
 # This script tests: pbmtext
-# Also requires:
+# Also requires: pamfile
 
+tmpdir=${tmpdir:-/tmp}
 
-for i in 0123456789 abcdefghijk lmnopqrst uzwxyz ABCDEFGHIJK LMNOPQRST UVWXYZ
-do
-for flags in "" "-nom" "-builtin fixed"
+# Test 1:
+
+# Should print 3898818212 967 twice
+
+pbmtext UNIX Philosophy: Do one thing and do it well. | cksum
+echo -n "UNIX Philosophy: Do one thing and do it well." | pbmtext | cksum
+
+# Should print 2506052117 1354 twice
+
+pbmtext -builtin fixed \
+    For truth is always strange. Stranger than fiction. Lord Byron | cksum
+echo -n "For truth is always strange. Stranger than fiction. Lord Byron" | \
+    pbmtext -builtin fixed | cksum
+
+
+text="The quick brown fog jumps over the lazy docs."
+
+# Test 2:
+
+for flags in "" "-nomargins" "-builtin fixed"
 do
-echo $i | pbmtext $flags | cksum
+echo ${text} | pbmtext ${flags} | cksum
 done
+
+temp_pbm=${tmpdir}/temp.pbm
+
+
+# Test 3: Check if image is produced unaltered when -width is specified
+# Should print 1028079028 967 twice, then 1305436978 1018 twice
+
+for flags in "" "-builtin fixed"
+do
+pbmtext ${flags} ${text} | tee ${temp_pbm} | cksum
+width1=`pamfile ${temp_pbm} | awk '$2=="PBM" && NR==1 {w=$4}; END {print w}' `
+width2=`pbmtext ${flags} ${text} --dry-run | awk '{print $1}' `
+
+if [ ${width1} -eq ${width2} ]; then
+    pbmtext ${flags} -width=${width1} ${text} | cksum
+else
+    echo ${width1} ${width2}
+fi
+rm ${temp_pbm}
 done
+
+
+# Test 4: Should print 1647614653 2027 three times
+# Note: backslashes inserted in 3 locations in the rectange to make
+# possible input as a here document.
+
+fontRectangle_txt=${tmpdir}/fontRectangle.txt
+font_pbm=${tmpdir}/font.pbm
+
+cat > ${fontRectangle_txt} << EOF
+M ",/^_[\`jpqy| M
+
+/  !"#$%&'()*+ /
+< ,-./01234567 <
+> 89:;<=>?@ABC >
+@ DEFGHIJKLMNO @
+_ PQRSTUVWXYZ[ _
+{ \\]^_\`abcdefg {
+} hijklmnopqrs }
+~ tuvwxyz{|}~  ~
+
+M ",/^_[\`jpqy| M
+EOF
+
+pbmtext -dump-sheet -builtin fixed | tee ${font_pbm}      | cksum
+cat ${fontRectangle_txt} | pbmtext -nom -builtin fixed    | cksum
+cat ${fontRectangle_txt} | pbmtext -nom -font ${font_pbm} | cksum
+rm ${fontRectangle_txt} ${font_pbm}
+
+
+# Test 5: Print all characters defined in the built-in bdf font
+
+# One long row
+# Should print 3233136020 4535
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c",i);
+             for (i=160;i<=255;++i) printf("%c",i); }' | \
+    pbmtext -builtin bdf | cksum
+
+# One tall column
+# Should print 1216262214 5711
+LC_ALL=C \
+awk 'BEGIN { for (i=32; i<=126;++i) printf("%c\n",i);
+             for (i=160;i<=255;++i) printf("%c\n",i); }' | \
+    pbmtext -nomargins -builtin bdf | cksum
diff --git a/test/pbmtog3.ok b/test/pbmtog3.ok
index a0768f95..cef9e3f9 100644
--- a/test/pbmtog3.ok
+++ b/test/pbmtog3.ok
@@ -5,7 +5,6 @@
 28792587 47
 277456854 32
 28792587 47
-871281767 162
 3736247115 62
 2820255307 2191856
 4159089282 2226575
diff --git a/test/pbmtog3.test b/test/pbmtog3.test
index 15c0cdf9..c5dc3357 100755
--- a/test/pbmtog3.test
+++ b/test/pbmtog3.test
@@ -2,7 +2,6 @@
 # This script tests: pbmtog3
 # Also requires: pbmmake
 
-
 # Test 1.  Should print 3697098186 144
 pbmtog3 testgrid.pbm | cksum
 # Test 2.  Should print 1248301383 122
@@ -18,12 +17,9 @@ pbmmake -w 10 10 | \
   pbmtog3 -nofixedwidth | cksum
 # Test 7.  Should print 28792587 47
 pbmmake -w 10000 10 | pbmtog3 | cksum
-# Test 8.  Should print 871281767 162
-pbmmake -w 10000 10 | \
-  pbmtog3 -nofixedwidth | cksum
-# Test 9.  Should print 3736247115 62
+# Test 8.  Should print 3736247115 62
 pbmmake -b 10 10 | pbmtog3 | cksum
-# Test 10.  Should print 2820255307 2191856
+# Test 9.  Should print 2820255307 2191856
 pbmmake -g 1700 2286 | pbmtog3 | cksum
-# Test 11.  Should print 4159089282 2226575
+# Test 10.  Should print 4159089282 2226575
 pbmmake -g 1800 2286 | pbmtog3 | cksum
diff --git a/test/pdb-roundtrip.ok b/test/pdb-roundtrip.ok
new file mode 100644
index 00000000..b903da8d
--- /dev/null
+++ b/test/pdb-roundtrip.ok
@@ -0,0 +1,18 @@
+pbm grid
+2224198737 25671
+2224198737 25671
+2224198737 25671
+pbm tiled
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+pgm ellipse
+0 0 0 0 0 : 0
+0 0 0 0 0 : 0
+0 0 0 0 0 : 0
+0 0 0 0 0 : 0
+pgm ellipse -4depth
+0 0 0 0 0 : 0
+0 0 0 0 0 : 0
+0 0 0 0 0 : 0
diff --git a/test/pdb-roundtrip.test b/test/pdb-roundtrip.test
new file mode 100755
index 00000000..6b4e152c
--- /dev/null
+++ b/test/pdb-roundtrip.test
@@ -0,0 +1,55 @@
+#! /bin/bash
+# This script tests: pamtopdbimg pdbimgtopam
+# Also requires: pnmtile pgmramp pamtopnm
+
+tmpdir=${tmpdir:-/tmp}
+tiled_pbm=${tmpdir}/tiled.pbm
+ellipse_pgm=${tmpdir}/ellipse.pgm
+
+
+# Test 1. Should produce 2224198737 25671
+# 3 times 
+echo pbm grid
+for flag in "-compressed" "-maybecompressed" "-uncompressed"
+   do
+   pamtopdbimg ${flag} testgrid.pbm | pdbimgtopam | cksum
+   done
+
+
+# Test 2. Should produce 0 0 0
+# 4 times 
+echo pbm tiled
+pnmtile 160 160 testgrid.pbm > ${tiled_pbm}
+for flag in "" "-compressed" "-maybecompressed" "-uncompressed"
+  do
+  pamtopdbimg ${flag} ${tiled_pbm} | pdbimgtopam | pamtopnm | \
+    cmp -s - ${tiled_pbm}
+  echo ${PIPESTATUS[@]} ":" $?
+  done
+rm ${tiled_pbm}
+
+
+# Test 3. Should produce 0 0 0
+# 4 times
+echo pgm ellipse
+pgmramp -ellipse 160 160 -maxval=3 > ${ellipse_pgm}
+for flag in "" "-compressed" "-maybecompressed" "-uncompressed"
+    do
+    pamtopdbimg ${flag} ${ellipse_pgm} | pdbimgtopam | \
+      pamtopnm | pamdepth 3 | cmp -s - ${ellipse_pgm}
+    echo ${PIPESTATUS[@]} ":" $?
+    done
+rm ${ellipse_pgm}
+
+
+# Test 3. Should produce 0 0 0
+# 3 times 
+echo pgm ellipse -4depth
+pgmramp -ellipse 160 160 -maxval=15 > ${ellipse_pgm}
+for flag in "-compressed" "-maybecompressed" "-uncompressed"
+    do
+    pamtopdbimg -4depth ${flag} ${ellipse_pgm} | pdbimgtopam | \
+      pamtopnm | pamdepth 15 | cmp -s - ${ellipse_pgm}
+    echo ${PIPESTATUS[@]} ":" $?
+    done
+rm ${ellipse_pgm}
\ No newline at end of file
diff --git a/test/pgmnoise.ok b/test/pgmnoise.ok
deleted file mode 100644
index 138218c2..00000000
--- a/test/pgmnoise.ok
+++ /dev/null
@@ -1 +0,0 @@
-2005134911 10015
diff --git a/test/pgmnoise.rand-ok b/test/pgmnoise.rand-ok
new file mode 100644
index 00000000..b69f48e5
--- /dev/null
+++ b/test/pgmnoise.rand-ok
@@ -0,0 +1,3 @@
+000|0
+081|2005134911 10015
+082|3516404574 10015
diff --git a/test/pgmnoise.test b/test/pgmnoise.test
index 0b38553b..03301ce6 100755
--- a/test/pgmnoise.test
+++ b/test/pgmnoise.test
@@ -2,22 +2,6 @@
 # This script tests: pgmnoise
 # Also requires:
 
-
-# We first check whether random number generator is glibc rand().
-# If not, this test is skipped.
-
-testrandom
-
-case $? in
-   81)
-        # Should print: 1663614689 10015
-        pgmnoise --randomseed=0 100 100 | cksum ;;
-
-        # Any additional tests go here.
-
-   8[02-9] | 90)
-        echo "Skipping: random number generator is not glibc." 1>&2
-        exit 80;;
-
-   *)   exit 1;;  # testrandom failed
-esac
+# Should print: 1663614689 10015 (Glibc)
+#               3516404574 10015 (MAC OS)
+pgmnoise --randomseed=0 100 100 | cksum
diff --git a/test/pnmpaste-pbm.ok b/test/pnmpaste-pbm.ok
new file mode 100644
index 00000000..d3b0a7e8
--- /dev/null
+++ b/test/pnmpaste-pbm.ok
@@ -0,0 +1,22 @@
+Test 1.
+-replace
+P1 18 1 001010101010101011 
+-and
+P1 18 1 001111101111101111 
+-or
+P1 18 1 000010000010000011 
+-xor
+P1 18 1 010010010010010011 
+-nand
+P1 18 1 010000010000010011 
+-nor
+P1 18 1 011101111101111111 
+-nxor
+P1 18 1 001101101101101111 
+Test 2.
+-and  -nand
+P1 18 1 110000000000000001 
+-or  -nor
+P1 18 1 110000000000000001 
+-xor  -nxor
+P1 18 1 110000000000000001 
diff --git a/test/pnmpaste-pbm.test b/test/pnmpaste-pbm.test
new file mode 100755
index 00000000..b75797af
--- /dev/null
+++ b/test/pnmpaste-pbm.test
@@ -0,0 +1,47 @@
+#! /bin/bash
+# This script tests: pnmpaste
+# Also requires: pbmmake
+
+tmpdir=${tmpdir:-/tmp}
+base_pbm=${tmpdir}/font.pbm
+insert_pbm=${tmpdir}/insert.pbm
+
+cat > ${base_pbm} << EOF
+P1
+18 1
+000111000111000111
+EOF
+
+pbmmake -g 15 1 > ${insert_pbm}
+
+# Test 1.
+echo "Test 1."
+
+for operation in "-replace" "-and" "-or" "-xor" "-nand" "-nor" "-nxor"
+  do
+  echo ${operation} 
+  pnmpaste ${operation} -plain ${insert_pbm} 1 0 ${base_pbm} | tr '\n' ' '
+  echo
+  done
+
+
+# Test 2.
+# Perform an operation and its negative counterpart, combine the
+# resulting images with "-xor".
+# The untouched area of the base image should be 1; inserted area 0.
+
+echo "Test 2."
+
+positive_pbm=${tmpdir}/positive.pbm
+negative_pbm=${tmpdir}/negative.pbm
+
+for operation in "and" "or" "xor"
+  do
+  echo "-"$operation " -n"$operation 
+  pnmpaste "-"${operation} ${insert_pbm} 2 0 ${base_pbm} > ${positive_pbm}
+  pnmpaste "-n"${operation} ${insert_pbm} 2 0 ${base_pbm} > ${negative_pbm}
+  pnmpaste -xor -plain ${positive_pbm} 0 0 ${negative_pbm} | tr '\n ' ' '
+  echo
+  done
+
+rm ${base_pbm} ${insert_pbm} ${positive_pbm} ${negative_pbm}
diff --git a/test/pnmpsnr.ok b/test/pnmpsnr.ok
index b303cc9d..3469f836 100644
--- a/test/pnmpsnr.ok
+++ b/test/pnmpsnr.ok
@@ -1,2 +1,7 @@
-0.00 dB
-no difference
+0.00
+inf
+1000.00
+match
+300.00 300.00 300.00
+match
+match
diff --git a/test/pnmpsnr.test b/test/pnmpsnr.test
index 3e7408ec..f24c08aa 100755
--- a/test/pnmpsnr.test
+++ b/test/pnmpsnr.test
@@ -12,9 +12,12 @@ b_pbm=${tmpdir}/b.pbm
 pbmmake -w 10 10 > ${w_pbm}
 pbmmake -b 10 10 > ${b_pbm}
 
-pnmpsnr  ${w_pbm}  ${b_pbm} 2>&1 | \
- awk '$2=="lumina" {print $(NF-1),$NF}'
-pnmpsnr  ${w_pbm}  ${w_pbm} 2>&1 | \
- awk '$2=="lumina" {print $(NF-1),$NF}'
+pnmpsnr  ${w_pbm}  ${b_pbm} -machine
+pnmpsnr  ${w_pbm}  ${w_pbm} -machine
+pnmpsnr  ${w_pbm}  ${w_pbm} -machine -max=1000
+pnmpsnr  ${w_pbm}  ${w_pbm} -target=1000
+pnmpsnr  testimg.ppm  testimg.ppm -machine -max=300
+pnmpsnr  testimg.ppm  testimg.ppm -target=1000
+pnmpsnr  testimg.ppm  testimg.ppm -target1=1000 -target2=1000 -target3=1000
 
 rm ${b_pbm} ${w_pbm}
diff --git a/test/pnmquantall.ok b/test/pnmquantall.ok
new file mode 100644
index 00000000..172eb0aa
--- /dev/null
+++ b/test/pnmquantall.ok
@@ -0,0 +1,5 @@
+got color map
+2373957371 33838
+3892560659 33838
+1383839923 33838
+1
diff --git a/test/pnmquantall.test b/test/pnmquantall.test
new file mode 100755
index 00000000..cd01bb8d
--- /dev/null
+++ b/test/pnmquantall.test
@@ -0,0 +1,27 @@
+#! /bin/bash
+# This script tests: pnmquantall
+# Also requires: ppmtorgb3 pgmhist
+
+tmpdir=${tmpdir:-/tmp}
+test_ppm=${tmpdir}/testimg.ppm
+
+cp testimg.ppm ${tmpdir} &&
+ppmtorgb3 ${test_ppm}
+
+test_red=${tmpdir}/testimg.red
+test_grn=${tmpdir}/testimg.grn
+test_blu=${tmpdir}/testimg.blu
+
+pnmquantall 20 ${test_red} ${test_grn} ${test_blu}
+
+for i in ${test_red} ${test_grn} ${test_blu}
+do
+cat $i | cksum
+done
+
+# Should print 1
+
+pnmcat ${test_red} ${test_grn} ${test_blu} -tb | \
+    pgmhist -m | awk '$2>0 {s++}; END { print (s<=20) }'
+
+rm ${test_red} ${test_grn} ${test_blu} ${test_ppm}
\ No newline at end of file
diff --git a/test/pnmtile.ok b/test/pnmtile.ok
index 559d0f65..4a29e0dc 100644
--- a/test/pnmtile.ok
+++ b/test/pnmtile.ok
@@ -1,2 +1,2 @@
 4228632379 259
-0
+0 0 : 0
diff --git a/test/pnmtile.test b/test/pnmtile.test
index 409c0e50..e297da66 100755
--- a/test/pnmtile.test
+++ b/test/pnmtile.test
@@ -17,6 +17,6 @@ pnmtile 454 298 testimg.ppm > ${testimg4_ppm} &&
 pnmcat -lr testimg.ppm testimg.ppm > ${testimg2_ppm} &&
 pnmcat -tb ${testimg2_ppm} ${testimg2_ppm} | \
 cmp -s - ${testimg4_ppm}
-echo $?
+echo ${PIPESTATUS[@]} ":" $?
 
 rm ${testimg2_ppm} ${testimg4_ppm}
diff --git a/test/ppmbrighten.ok b/test/ppmbrighten.ok
index 65feb812..376e71d3 100644
--- a/test/ppmbrighten.ok
+++ b/test/ppmbrighten.ok
@@ -1,3 +1,3 @@
-2737989845 101484
-1059247992 101484
-32344911 101484
+1969633344 101484
+3688219243 101484
+295150171 101484
diff --git a/test/ppmbrighten.test b/test/ppmbrighten.test
index fa7702d8..46c5cab5 100755
--- a/test/ppmbrighten.test
+++ b/test/ppmbrighten.test
@@ -2,6 +2,10 @@
 # This script tests: ppmbrighten
 # Also requires:
 
+# Failure message
+## Ppmbrighten is sensitive to subtle differences in floating point math.
+## If this test fails, please run the program and visually examine
+## the output.
 
 ppmbrighten -v 100 testimg.ppm | cksum
 ppmbrighten -v 100 -normalize testimg.ppm | cksum
diff --git a/test/ppmchange.ok b/test/ppmchange.ok
index 130c3c45..aba3a7a8 100644
--- a/test/ppmchange.ok
+++ b/test/ppmchange.ok
@@ -1,4 +1,9 @@
 22488533 203
 1008787190 613
-3885709071 613
-2101746192 613
+1983174784 613
+2146447222 613
+1216791938 613
+     0     0     0	    0	     78 
+     0     0   255	   29	     40 
+     0    50     2	   30	     41 
+   100     0     1	   30	     41 
diff --git a/test/ppmchange.test b/test/ppmchange.test
index d29a699f..a749a5d2 100755
--- a/test/ppmchange.test
+++ b/test/ppmchange.test
@@ -1,18 +1,19 @@
 #! /bin/bash
 # This script tests: ppmchange
-# Also requires: ppmrainbow pgmramp
+# Also requires: ppmrainbow pgmramp ppmhist
 
 
 #  Failure message
 ## If this test fails and ppmchange-roundtrip.test succeeds,
-## the probably cause is a problem with one of the options of
+## the probable cause is a problem with one of the options of
 ## ppmchange: -closeness or -remainder.
 
 tmpdir=${tmpdir:-/tmp}
 rainbow_ppm=${tmpdir}/rainbow.ppm
+changed_ppm=${tmpdir}/changed.ppm
 
-# Explicit values for intermediate colors: rgb.txt may be defining them
-# in unusual ways.
+# Explicit values for intermediate colors: rgb.txt may not be the one
+# Netpbm provides; they may be defined in unusual ways.
 
 brown=rgb:67/43/00
 cyan=rgb:00/ff/ff
@@ -20,7 +21,7 @@ yellow=rgb:ff/ff/00
 gray=rgb:7f/7f/7f
 
 
-# Test 1. Should print 811868957 60
+# Test 1. Should print 22488533 203
 pgmramp -lr 8 8 | ppmchange black black  white white  $gray $gray \
   -close=10 -remainder=blue | cksum
 
@@ -31,29 +32,31 @@ ppmrainbow -tmpdir=$tmpdir -width=200 -height=1 red green blue | \
   tee ${rainbow_ppm} | \
   ppmchange red $brown   green $brown   blue $brown | cksum
 
+# Validate ${rainbow_ppm}
+# Should print 1983174784 613
 
-# Test 3. Should print 3885709071 613
+cat ${rainbow_ppm} | cksum
+
+
+# Test 3. Should print 2146447222 613
 
 ppmchange red $brown   green $cyan   blue $yellow \
   -closeness=25 ${rainbow_ppm} | cksum
 
 
-# Test 4. Should print 2101746192 613
+# Test 4. Should print 1216791938 613
 
 ppmchange red rgb:64/00/01 rgb:00/ff/00 rgb:00/32/02 blue blue \
-  -remainder=black -closeness=25 ${rainbow_ppm} | cksum
+  -remainder=black -closeness=25 ${rainbow_ppm} | tee ${changed_ppm} | cksum
 
-rm ${rainbow_ppm}
+# Produce a histogram of the colors in the output image
+# Should produce
+#     0     0     0	    0	     78 
+#     0     0   255	   29	     40 
+#     0    50     2	   30	     41 
+#   100     0     1	   30	     41 
 
+ppmhist -sort=rgb -noheader ${changed_ppm}
 
-# cksum ${rainbow_ppm}
-# 1983174784 613 rainbow.ppm
 
-# ppmchange red rgb:64/00/01 rgb:00/ff/00 rgb:00/32/02 blue blue \
-#   -remainder=black -closeness=25  ${rainbow_ppm} | \
-#   pphist -sort=rgb -noheader
-#
-#     0     0     0	    0	     75
-#     0     0   255	   29	     42
-#     0    50     2	   30	     42
-#   100     0     1	   30	     41
+rm ${rainbow_ppm} ${changed_ppm}
diff --git a/test/ppmforge.ok b/test/ppmforge.ok
deleted file mode 100644
index e4a4c9e2..00000000
--- a/test/ppmforge.ok
+++ /dev/null
@@ -1 +0,0 @@
-3634219838 196623
diff --git a/test/ppmforge.rand-ok b/test/ppmforge.rand-ok
new file mode 100644
index 00000000..c8b3ac9f
--- /dev/null
+++ b/test/ppmforge.rand-ok
@@ -0,0 +1,3 @@
+000|0
+081|3634219838 196623
+082|3262664440 196623
diff --git a/test/ppmforge.test b/test/ppmforge.test
index 65280d14..3ebea88c 100755
--- a/test/ppmforge.test
+++ b/test/ppmforge.test
@@ -4,17 +4,6 @@
 
 # Use small x y values to avoid floating point issues.
 
-
-testrandom -q
-case $? in
-   81)
-      # Test 1: Should print: 3634219838 196623
-      ppmforge -night -seed 1 | cksum
-      ;;
-
-   8[02-9] | 90)
-       echo "Skipping: random number generator is not glibc." 1>&2
-       exit 80;;
-
-   *)  exit 1;;  # testrandom failed
-esac
+# Should print: 3634219838 196623 (Glibc)
+#               3262664440 196623 (MAC OS)
+ppmforge -night -seed 1 | cksum
diff --git a/test/ppmhist.ok b/test/ppmhist.ok
index d7ecf07e..f2ba637b 100644
--- a/test/ppmhist.ok
+++ b/test/ppmhist.ok
@@ -1,5 +1,3 @@
-   r     g     b   	 lum 	 count  
- ----- ----- ----- 	-----	------- 
      0     0     0	    0	      2 
      1     1     1	    1	      2 
      2     2     2	    2	      2 
@@ -8,4 +6,14 @@
      5     5     5	    5	      2 
      6     6     6	    6	      2 
      8     8     8	    8	      2 
-3438989921 711087
+3081591280 60957
+ Summary: 1 colors: 1 black, 0 white, 0 gray, 0 color
+ Summary: 1 colors: 0 black, 1 white, 0 gray, 0 color
+ Summary: 2 colors: 1 black, 1 white, 0 gray, 0 color
+ Summary: 16 colors: 1 black, 1 white, 14 gray, 0 color
+ Summary: 8 colors: 1 black, 1 white, 6 gray, 0 color
+ Summary: 8 colors: 1 black, 1 white, 0 gray, 6 color
+ Summary: 27 colors: 1 black, 1 white, 1 gray, 24 color
+ Summary: 6 colors: 0 black, 0 white, 0 gray, 6 color
+ Summary: 6 colors: 1 black, 0 white, 0 gray, 5 color
+ Summary: 6 colors: 1 black, 1 white, 1 gray, 3 color
diff --git a/test/ppmhist.test b/test/ppmhist.test
index 97fbd79d..27d31562 100755
--- a/test/ppmhist.test
+++ b/test/ppmhist.test
@@ -1,7 +1,22 @@
 #! /bin/bash
 # This script tests: ppmhist
-# Also requires: pgmramp
+# Also requires: pgmramp pamtopnm pbmmake pamseq ppmpat
 
+pgmramp -maxval=8 -lr 8 2 | ppmhist -sort=rgb -noheader
+ppmhist -map -sort=rgb -noheader testimg.ppm | pamtopnm | cksum
 
-pgmramp -maxval=8 -lr 8 2 | ppmhist -sort=rgb
-ppmhist -map -sort=rgb testimg.ppm | cksum
+# Test summary header
+
+pbmmake -b 2 1 | ppmhist   | head -n1
+pbmmake -w 2 1 | ppmhist   | head -n1
+pbmmake -g 2 1 | ppmhist   | head -n1
+pgmramp -lr 16 1 | ppmhist | head -n1
+pgmramp -lr -maxval=7 16 1 | ppmhist | head -n1
+pamseq  3 1 | ppmhist | head -n1
+pamseq  3 2 | ppmhist | head -n1
+ppmpat -madras --color=rgb:32/0d/b7,rgb:31/58/a3,rgb:e9/5e/d4 25 25 | \
+  ppmhist | head -n1
+ppmpat -madras --color=rgb:00/00/00,rgb:31/58/a3,rgb:e9/5e/d4 25 25 | \
+  ppmhist | head -n1
+ppmpat -madras --color=rgb:00/00/00,rgb:31/58/a3,rgb:ff/ff/ff 25 25 | \
+  ppmhist | head -n1
\ No newline at end of file
diff --git a/test/ppmpat-random.rand-ok b/test/ppmpat-random.rand-ok
new file mode 100644
index 00000000..eb8779ab
--- /dev/null
+++ b/test/ppmpat-random.rand-ok
@@ -0,0 +1,7 @@
+000|0
+081|2219119109 36015
+081|3436846137 16813
+081|908097729 16813
+082|3606254242 36015
+082|3615722579 16813
+082|1756684515 16813
diff --git a/test/ppmpat-random.test b/test/ppmpat-random.test
new file mode 100755
index 00000000..a6daa982
--- /dev/null
+++ b/test/ppmpat-random.test
@@ -0,0 +1,22 @@
+#! /bin/bash
+# This script tests: ppmpat
+# Also requires:
+
+# TODO: Write tests for squig and poles.  It appears that they are
+# sensitive to differences in floating point math.
+
+# These tests require random numbers.
+
+# Test 1. Should print: 2219119109 36015 (glibc)
+#                       3606254242 36015 (MAC OS)
+ppmpat --randomseed=0 -camo 100 120 | cksum
+
+# Test 2. Should print: 3436846137 16813 (glibc)
+#                       3615722579 16813 (MAC OS)
+ppmpat --randomseed=0 -anticamo 80 70 | cksum
+
+# Test 3. Should print: 908097729 16813 (glibc)
+#                       1756684515 16813 (MAC OS)
+ppmpat --randomseed=0 --color \
+  rgb:55/c0/34,rgb:0/ff/0,rgb:0/ee/0,rgb:0/cd/0,rgb:0/8b/0,rgb:4f/4f/2f \
+  -camo 80 70 | cksum
diff --git a/test/ppmpat.ok b/test/ppmpat.ok
index c5b71909..bb940aee 100644
--- a/test/ppmpat.ok
+++ b/test/ppmpat.ok
@@ -1,6 +1,6 @@
 4008533639 781
-2448908863 9613
+3805937800 9613
 2698433077 1549
 3705929501 781
-2219119109 36015
-3436846137 16813
+3057513592 661
+1861389287 661
diff --git a/test/ppmpat.test b/test/ppmpat.test
index 89f86f67..cd00c0f1 100755
--- a/test/ppmpat.test
+++ b/test/ppmpat.test
@@ -2,34 +2,20 @@
 # This script tests: ppmpat
 # Also requires:
 
-# TODO: Write tests for squig and poles.  It appears that they are
-# sensitive to differences in floating point math.
+# Test 1. Should print: 4008533639 781
+ppmpat -g2 --color=rgb:32/0d/b7,rgb:31/58/a3 16 16 | cksum
 
-testrandom -q
-case $? in
-   81)
-       # Test 1. Should print: 4008533639 781
-       ppmpat --randomseed=0 -g2 16 16 | cksum
+# Test 2. Should print: 3805937800 9613
+ppmpat -g3 --color=rgb:32/0d/b7,rgb:31/58/a3,rgb:e9/5e/d4 64 50 | cksum
 
-       # Test 2. Should print: 2448908863 9613
-       ppmpat --randomseed=0 -g2 64 50 | cksum
+# Test 3. Should print: 2698433077 1549
+ppmpat -madras --color=rgb:32/0d/b7,rgb:31/58/a3,rgb:e9/5e/d4 32 16 | cksum
 
-       # Test 3. Should print: 2698433077 1549
-       ppmpat --randomseed=0 -madras 32 16 | cksum
+# Test 4. Should print: 3705929501 781
+ppmpat -tartan --color=rgb:32/0d/b7,rgb:31/58/a3,rgb:e9/5e/d4 16 16 | cksum
 
-       # Test 4. Should print: 3705929501 781
-       ppmpat --randomseed=0 -tartan 16 16 | cksum
+# Test 5. Should print: 3057513592 661
+ppmpat -argyle1 --color=rgb:ff/ff/ff,rgb:ff/0/0 12 18 | cksum
 
-       # Test 5. Should print: 2219119109 36015
-       ppmpat --randomseed=0 -camo 100 120 | cksum
-
-       # Test 6. Should print: 3436846137 16813
-       ppmpat --randomseed=0 -anticamo 80 70 | cksum
-       ;;
-
-   8[02-9] | 90)
-       echo "Skipping: random number generator is not glibc." 1>&2
-       exit 80;;
-
-   *)  exit 1;;  # testrandom failed
-esac
+# Test 6. Should print: 1861389287 661
+ppmpat -argyle2 --color=rgb:00/00/00,rgb:ff/80/80,rgb:e0/e0/e0 12 18 | cksum
diff --git a/test/ppmrough.ok b/test/ppmrough.ok
deleted file mode 100644
index 83643849..00000000
--- a/test/ppmrough.ok
+++ /dev/null
@@ -1 +0,0 @@
-378403602 30015
diff --git a/test/ppmrough.rand-ok b/test/ppmrough.rand-ok
new file mode 100644
index 00000000..216545c7
--- /dev/null
+++ b/test/ppmrough.rand-ok
@@ -0,0 +1,3 @@
+000|0
+081|378403602 30015
+082|378403602 30015
diff --git a/test/ppmrough.test b/test/ppmrough.test
index cf948f9f..bd4211a3 100755
--- a/test/ppmrough.test
+++ b/test/ppmrough.test
@@ -2,16 +2,5 @@
 # This script tests: ppmrough
 # Also requires:
 
-testrandom -q
-case $? in
-   81)
-      # Should print: 378403602 30015
-      ppmrough  -randomseed 1 | cksum
-      ;;
-
-   8[02-9] | 90)
-       echo "Skipping: random number generator is not glibc." 1>&2
-       exit 80;;
-
-   *)  exit 1;;  # testrandom failed
-esac
+# Should print: 378403602 30015 (Glibc and MAC OS)
+ppmrough  -randomseed 1 | cksum
diff --git a/test/ps-flate-roundtrip.ok b/test/ps-flate-roundtrip.ok
new file mode 100644
index 00000000..57fb124f
--- /dev/null
+++ b/test/ps-flate-roundtrip.ok
@@ -0,0 +1,3 @@
+1926073387 101484
+1926073387 101484
+1386192571 507420
diff --git a/test/ps-flate-roundtrip.test b/test/ps-flate-roundtrip.test
new file mode 100755
index 00000000..de1105f0
--- /dev/null
+++ b/test/ps-flate-roundtrip.test
@@ -0,0 +1,48 @@
+#! /bin/bash
+# This script tests: pnmtops pstopnm
+# Also requires: pamtopnm gs zlib
+
+# This script tests the optional flate (zlib) compression feature of
+# pstopnm.
+# Flate compression allows you to make smaller output (.ps) files:
+# it is useful, but not essential.  Flate compression is not neccessary for
+# printing pages with postscript printers - which is why many people need
+# pnmtops on their systems.
+
+# Failure message
+## This test fails when ghostscript is not available.
+
+tmpdir=${tmpdir:-/tmp}
+
+# pstopnm does not use libnetpbm functions for output.
+# Output is filtered through pamtopnm.
+
+# Test 1.  Should print: 1926073387 101484 twice
+test1_ps=${tmpdir}/testimg1.ps
+
+for flag in "-ps -flate" "-ps -rle -ascii -flate"
+  do
+  pnmtops -nocenter -equalpixels -dpi 72 -noturn ${flag} testimg.ppm \
+    > ${test1_ps} && \
+  xysize1=`awk  '/BoundingBox/ {print "-xsize="$4,"-ysize="$5}' \
+    ${test1_ps}` && \
+  pstopnm -portrait -xborder=0 -yborder=0 $xysize1 -stdout -quiet \
+    ${test1_ps} | pamtopnm | cksum
+  done
+
+rm ${test1_ps}
+
+# Test 2. Should print: 1386192571 507420
+# See comments in ps-roundtrip.test
+
+test3_ps=${tmpdir}/testimg3.ps
+flag="-ps -bitspersample=12 -flate -rle -vmreclaim"
+cat testimg.ppm testimg.ppm testimg.ppm testgrid.pbm testgrid.pbm | \
+pnmtops -nocenter -equalpixels -dpi 72 -noturn -setpage ${flag} \
+  > ${test3_ps} &&
+xysize3=`awk  '/BoundingBox/ {print "-xsize="$4,"-ysize="$5 ; exit}' \
+  ${test3_ps}` &&
+pstopnm -portrait -xborder=0 -yborder=0 $xysize3 -stdout  ${test3_ps} | \
+  pamtopnm | cksum
+
+rm ${test3_ps}
diff --git a/test/ps-roundtrip.ok b/test/ps-roundtrip.ok
index 0ebfb94a..5ef66cc4 100644
--- a/test/ps-roundtrip.ok
+++ b/test/ps-roundtrip.ok
@@ -2,7 +2,6 @@
 1926073387 101484
 1926073387 101484
 1926073387 101484
-1926073387 101484
 2918318199 62
 2918318199 62
 2918318199 62
diff --git a/test/ps-roundtrip.test b/test/ps-roundtrip.test
index 873bbdef..207646cc 100755
--- a/test/ps-roundtrip.test
+++ b/test/ps-roundtrip.test
@@ -4,21 +4,17 @@
 
 
 # Failure message
-## This test fails when:
-## (1) zlib was not linked.
-## (2) ghostscript is not available.
+## This test fails when ghostscript is not available.
 
 tmpdir=${tmpdir:-/tmp}
 
 # pstopnm does not use libnetpbm functions for output.
 # Output is filtered through pamtopnm.
 
-# Test 1.  Should print: 1926073387 101484 five times
-# *NOTE* Fifth iteration fails if pnmtops was compiled without zlib
-# (flate compression) support.
+# Test 1.  Should print: 1926073387 101484 four times
 test1_ps=${tmpdir}/testimg1.ps
 
-for flag in "" "-ps" "-rle" "-ps -ascii" "-ps -flate"
+for flag in "" "-ps" "-rle" "-ps -ascii"
   do
   pnmtops -nocenter -equalpixels -dpi 72 -noturn ${flag} testimg.ppm \
     > ${test1_ps} && \
@@ -57,8 +53,6 @@ for flag in "" "-rle" "-ps -rle -ascii" \
 rm ${grid_ps} ${g_pbm} ${t_pbm}
 
 #Test 3. Should print: 1386192571 507420 three times
-# *NOTE* Second iteration fails if pnmtops was compiled without zlib
-# (flate compression) support.
 #
 # Special care is needed when conducting round-trips with multiple-image
 # files as input.
@@ -72,7 +66,7 @@ rm ${grid_ps} ${g_pbm} ${t_pbm}
 test3_ps=${tmpdir}/testimg3.ps
 
 for flag in "" "-ps" \
-            "-ps -bitspersample=12 -flate -rle -vmreclaim"
+            "-ps -bitspersample=12 -rle -vmreclaim"
   do
 cat testimg.ppm testimg.ppm testimg.ppm testgrid.pbm testgrid.pbm | \
 pnmtops -nocenter -equalpixels -dpi 72 -noturn -setpage ${flag} \
diff --git a/test/rgb3-roundtrip.ok b/test/rgb3-roundtrip.ok
index 64da849d..367e5429 100644
--- a/test/rgb3-roundtrip.ok
+++ b/test/rgb3-roundtrip.ok
@@ -3,4 +3,4 @@
 2425386270 41
 0
 0
-0
+0 0 : 0
diff --git a/test/rgb3-roundtrip.test b/test/rgb3-roundtrip.test
index cac52220..42fd822f 100755
--- a/test/rgb3-roundtrip.test
+++ b/test/rgb3-roundtrip.test
@@ -41,6 +41,6 @@ rgb3toppm ${testgrid_red} ${testgrid_grn} ${testgrid_blu} | \
 cmp -s ${testgrid_red} ${testgrid_grn} ; echo $?
 cmp -s ${testgrid_grn} ${testgrid_blu} ; echo $?
 pgmtopgm < testgrid.pbm | cmp -s - ${testgrid_red}
-  echo $?
+  echo ${PIPESTATUS[@]} ":" $?
 
 rm ${testgrid_pbm} ${testgrid_red} ${testgrid_grn} ${testgrid_blu}
diff --git a/test/symmetry.ok b/test/symmetry.ok
index 23129684..a5945014 100644
--- a/test/symmetry.ok
+++ b/test/symmetry.ok
@@ -10,3 +10,9 @@ ok
 ok
 ok
 ok
+ok
+ok
+ok
+ok
+ok
+ok
diff --git a/test/symmetry.test b/test/symmetry.test
index e6a6b654..52ba6388 100755
--- a/test/symmetry.test
+++ b/test/symmetry.test
@@ -48,9 +48,11 @@ pgmramp -ell 63 63 > ${circle_pgm}
 
 rm ${circle_pgm}
 
-# Test 3.
+# Test 3.  Should print "ok" 7 times
 gauss_pgm=${tmpdir}/gauss.pgm
-pamgauss -sigma=0.1 -tupletype=GRAYSCALE 25 25 > ${gauss_pgm}
+for size in 3 4 5 8 13 21 25
+do
+pamgauss -sigma=0.1 -tupletype=GRAYSCALE $size $size > ${gauss_pgm}
 
 ( for op in -null -tb -lr -r90
     do pamflip $op ${gauss_pgm} | cksum
@@ -58,6 +60,8 @@ pamgauss -sigma=0.1 -tupletype=GRAYSCALE 25 25 > ${gauss_pgm}
   awk '$1==4 && $3>0 { print "ok"; exit }; { print }'
 
 rm ${gauss_pgm}
+done
+
 
 # Test 4.
 kernel_pgm=${tmpdir}/kernel.pgm
diff --git a/test/targa-roundtrip.ok b/test/targa-roundtrip.ok
index 9a428195..514f970f 100644
--- a/test/targa-roundtrip.ok
+++ b/test/targa-roundtrip.ok
@@ -1,3 +1,43 @@
+Test 1
 2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+2425386270 41
+Test 2
+1571496937 33838
+1571496937 33838
 1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+1571496937 33838
+Test 3
+1926073387 101484
+1926073387 101484
+1926073387 101484
 1926073387 101484
+Test 4
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 : 0
+Test 5
+0 0 0 : 0
+0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
+0 0 0 0 : 0
diff --git a/test/targa-roundtrip.test b/test/targa-roundtrip.test
index f646b8c1..79b01b61 100755
--- a/test/targa-roundtrip.test
+++ b/test/targa-roundtrip.test
@@ -1,18 +1,80 @@
 #! /bin/bash
 # This script tests: pamtotga tgatoppm
-# Also requires: ppmtopgm pgmtopbm pamchannel
+# Also requires: ppmtopgm pgmtopbm pamchannel pnmquant pamdepth
 
+tmpdir=${tmpdir:-/tmp}
 
-#Test 1: Should print 2425386270 41, cksum of testgrid.pbm
+#Test 1: Should print 2425386270 41, cksum of testgrid.pbm, ten times
 
-pamtotga -mono testgrid.pbm | \
-  tgatoppm | ppmtopgm | \
-  pgmtopbm -threshold -val 0.5 | cksum
+echo "Test 1"
 
-#Test 2:  Should produce 1571496937 33838, cksum of testimg.red
-pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | \
-  pamtotga -cmap | tgatoppm | ppmtopgm | cksum
+for mode in "-mono" "-mono -norle" \
+            "-cmap" "-cmap -norle" "-cmap16" "-cmap16 -norle" \
+            "-rgb"  "-rgb  -norle" "" "-norle"
+  do
+  pamtotga ${mode} testgrid.pbm | \
+    tgatoppm | ppmtopgm | \
+    pgmtopbm -threshold -val 0.5 | cksum
+  done
 
-#Test 3: Should print 1926073387 101484, cksum of testimg.ppm
+#Test 2:  Should produce 1571496937 33838, cksum of testimg.red, ten times
 
-pamtotga -rgb testimg.ppm | tgatoppm | cksum
+echo "Test 2"
+
+test_pam=${tmpdir}/testimg.pgm
+pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 > ${test_pam}
+
+for mode in "-mono" "-mono -norle" \
+            "-cmap" "-cmap -norle" "-cmap16" "-cmap16 -norle" \
+            "-rgb"  "-rgb  -norle" "" "-norle"
+  do
+  pamtotga ${mode} ${test_pam} | tgatoppm | ppmtopgm | cksum
+  done
+
+rm ${test_pam}
+
+
+#Test 3: Should print 1926073387 101484, cksum of testimg.ppm, four times
+
+echo "Test 3"
+
+for mode in "-rgb" "-rgb -norle" "" "-norle"
+  do
+  pamtotga ${mode} testimg.ppm | tgatoppm | cksum
+  done
+
+#Test 4: Should print 0 six times
+
+echo "Test 4"
+
+test256_ppm=${tmpdir}/test256.ppm
+pnmquant 256 testimg.ppm > ${test256_ppm} || echo "pnmquant failed"
+# test image may have less than 256 colors
+
+for mode in "-rgb" "-rgb -norle" "-cmap" "-cmap -norle" "" "-norle"
+  do
+  pamtotga ${mode} ${test256_ppm} | tgatoppm | cmp -s - ${test256_ppm}
+  echo ${PIPESTATUS[@]} ":" $?
+done
+
+
+#Test 5: Should print 0 eight times
+
+echo "Test 5"
+
+test256_31_ppm=${tmpdir}/test256-31.ppm
+pamdepth 31 ${test256_ppm} > ${test256_31_ppm} || echo "pamdepth failed"
+rm ${test256_ppm}
+
+for mode in "-cmap16" "-cmap16 -norle"
+  do pamtotga ${mode} ${test256_31_ppm} | tgatoppm | cmp -s - ${test256_31_ppm}
+  echo ${PIPESTATUS[@]} ":" $?
+  done
+
+for mode in  "-rgb" "-rgb -norle" "-cmap" "-cmap -norle" "" "-norle"
+  do pamtotga ${mode} ${test256_31_ppm} | tgatoppm | \
+     pamdepth 31 | cmp -s - ${test256_31_ppm}
+  echo ${PIPESTATUS[@]} ":" $?
+  done
+
+rm ${test256_31_ppm}
diff --git a/test/testrandom.c b/test/testrandom.c
index 43414926..5b85a6e8 100644
--- a/test/testrandom.c
+++ b/test/testrandom.c
@@ -8,6 +8,7 @@
 
   Options:
     -q : quiet mode
+    -x : print exit code to stdout, otherwise equivalent to quite mode
     -v : verbose mode : Use to generate values for new table 
 
   This is a self-contained program which does not require any libnetpbm
@@ -16,11 +17,17 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#define  bool  int
+#define  TRUE  1
+#define  FALSE 0
+
+
 /* Exit values */
 #define EXIT_ERROR 1
 #define EXIT_UNKNOWN 80
 #define ISO_GLIBC 81
-/* 82-90: reserved */
+#define MAC_OS    82
+/* 83-90: reserved */
 
 typedef enum {QUIET=0, NORMAL=1, VERBOSE=2} VerbosityLevel;
 
@@ -41,11 +48,15 @@ static struct {
         /* Sample values returned from our tests */
     const char * const name;
         /* Name for this rand() function */
-} rTable[2] = {
+} rTable[3] = {
     { ISO_GLIBC,  /* glibc rand() */ 
       0x7fffffff, /* 31 bits */ 
       { 217313873, 969144303, 1757357552, 1096307597, 818311031 },
       "ISO C glibc rand() or equivalent" },
+    { MAC_OS,
+      0x7fffffff, /* 31 bits */
+      { 63715337, 1416812753, 1073261735, 1594828992, 1547470337 },
+      "MAC OS c library rand() or equivalent" },
     
     /* Insert additional entries here */
     
@@ -59,15 +70,19 @@ static struct {
 static void
 parseCommandLine(int              const argc,
                  const char *     const argv[],
-                 VerbosityLevel * const verbosityP) {
+                 VerbosityLevel * const verbosityP,
+                 bool *           const printExitCodeP) {
 
-    *verbosityP = NORMAL; /* Initial value */
+    *verbosityP = NORMAL;       /* Initial value */
+    *printExitCodeP = FALSE;    /* Initial value */
 
     if (argc == 2) {
         if (argv[1][0] == '-' && argv[1][2] == '\0') {
             switch ( argv[1][1] ) {
             case 'v' : *verbosityP = VERBOSE; break;
             case 'q' : *verbosityP = QUIET  ; break;
+            case 'x' : *verbosityP = QUIET  ;
+                       *printExitCodeP = TRUE ; break;
             default :  fprintf (stderr,
                                 "Error: Unrecognized argument: %s\n", argv[1]);
                 exit (EXIT_ERROR);
@@ -88,8 +103,9 @@ main(int const argc, const char * const argv[]) {
     unsigned int i;
     unsigned int res[5];
     VerbosityLevel verbosity;
+    bool printExitCode;
 
-    parseCommandLine(argc, argv, &verbosity);
+    parseCommandLine(argc, argv, &verbosity, &printExitCode);
 
     if (verbosity == VERBOSE) {
         if (RAND_MAX > 0)
@@ -120,12 +136,16 @@ main(int const argc, const char * const argv[]) {
                 fprintf(stderr,
                         "Random number generator is %s.\n", rTable[i].name);
 
+            if (printExitCode == TRUE)
+                printf("%03u", rTable[i].type);
             exit(rTable[i].type);
         }
     }
     /* No matches */
     if (verbosity != QUIET)   
         fprintf(stderr, "Random number generator is of unknown type.\n");
+    if (printExitCode == TRUE)
+        printf("%03u",EXIT_UNKNOWN);
     exit(EXIT_UNKNOWN);
 }
 
diff --git a/test/tiff-flate-lzw-roundtrip.ok b/test/tiff-flate-lzw-roundtrip.ok
new file mode 100644
index 00000000..4d5597cc
--- /dev/null
+++ b/test/tiff-flate-lzw-roundtrip.ok
@@ -0,0 +1,7 @@
+1079668603 10237
+1079668603 10237
+1079668603 10237
+1079668603 10237
+1079668603 10237
+1079668603 10237
+2425386270 41
diff --git a/test/tiff-flate-lzw-roundtrip.test b/test/tiff-flate-lzw-roundtrip.test
new file mode 100755
index 00000000..59d4c483
--- /dev/null
+++ b/test/tiff-flate-lzw-roundtrip.test
@@ -0,0 +1,34 @@
+#! /bin/bash
+# This script tests: pamtotiff tifftopnm
+# Also requires: ppmpat
+
+# Failure message
+## If tiff-rountrip.test succeeds and this test fails, the likely
+## cause is an old TIFF library which lacks certain compression
+## features.
+
+tmpdir=${tmpdir:-/tmp}
+
+tartan_ppm=${tmpdir}/testimg40.ppm
+
+# Make a test image with reduced colors which compresses better
+# cksum is 1079668603 10237
+
+ppmpat -tartan --color=rgb:32/0d/b7,rgb:31/58/a3,rgb:e9/5e/d4 71 48 | \
+  tee ${tartan_ppm} | cksum
+pamtotiff ${tartan_ppm} | tifftopnm | cksum
+
+# test flate compression
+pamtotiff -flate ${tartan_ppm} | tifftopnm | cksum
+
+# test adobeflate compression
+pamtotiff -adobeflate ${tartan_ppm} | tifftopnm | cksum
+
+# test LZW compression
+pamtotiff -lzw ${tartan_ppm} | tifftopnm | cksum
+pamtotiff -lzw -predictor=1 ${tartan_ppm} | tifftopnm | cksum
+
+# PBM image: test flate compression
+pamtotiff -flate testgrid.pbm | tifftopnm | cksum
+
+rm ${tartan_ppm}
diff --git a/test/tiff-roundtrip.ok b/test/tiff-roundtrip.ok
index 0e712ce7..14258de2 100644
--- a/test/tiff-roundtrip.ok
+++ b/test/tiff-roundtrip.ok
@@ -1,4 +1,38 @@
+PPM-rose
 1926073387 101484
 1926073387 101484
+1926073387 101484
+1926073387 101484
+1926073387 101484
+PPM-6
+1646869394 29498
+1646869394 29498
+1646869394 29498
+1646869394 29498
+PPM-2
+3743909631 14836
+3743909631 14836
+3743909631 14836
+3743909631 14836
+PPM-gray
+603974118 4954
+603974118 4954
+603974118 4954
+603974118 4954
+603974118 4954
+603974118 4954
+PPM-bilevel-black-white
+1001018459 4954
+1001018459 4954
+1001018459 4954
+1001018459 4954
+PBM
 2425386270 41
 2425386270 41
+2425386270 41
+Extract from multi-image TIFF
+1926073387 101484
+1646869394 29498
+3743909631 14836
+603974118 4954
+1001018459 4954
diff --git a/test/tiff-roundtrip.test b/test/tiff-roundtrip.test
index a99425fa..55aba278 100755
--- a/test/tiff-roundtrip.test
+++ b/test/tiff-roundtrip.test
@@ -1,23 +1,99 @@
 #! /bin/bash
 # This script tests: pamtotiff tifftopnm
-# Also requires:
-
+# Also requires: ppmpat pampick ppmtopgm
 
 # Failure message
-## Second test fails if Netpbm was built without the flate library
+## If this test fails, the cause may be a problem in the TIFF library.
+
+tmpdir=${tmpdir:-/tmp}
+tartan_ppm=${tmpdir}/tartan.ppm
+gingham_ppm=${tmpdir}/gingham.ppm
+argylecolor_ppm=${tmpdir}/argyle1.ppm
+argylegray_ppm=${tmpdir}/argyle2.ppm
+multiimage_tiff=${tmpdir}/multiimage.ppm
+
+# PPM image
+# Should print 1926073387 101484 five times
+
+echo PPM-rose
+pamtotiff testimg.ppm | tifftopnm -headerdump | cksum
+pamtotiff -truecolor testimg.ppm -output ${multiimage_tiff} && \
+  tifftopnm ${multiimage_tiff} -byrow | cksum
+pamtotiff -truecolor -packbits testimg.ppm | tifftopnm | cksum
+pamtotiff -truecolor -rowsperstrip=2 testimg.ppm | tifftopnm | cksum
+pamtotiff -truecolor -lsb2msb  testimg.ppm | \
+  tifftopnm -respectfillorder | cksum
+
+# PPM image with six colors
+# Should print 1646869394 29498 four times
+
+echo PPM-6
+ppmpat -tartan -color=rgb:0/8/8,rgb:8/f/8,rgb:f/f/0 108 91 | \
+  tee ${tartan_ppm} | cksum
+pamtotiff -truecolor ${tartan_ppm} | tifftopnm | cksum
+pamtotiff ${tartan_ppm} | tifftopnm -respectfillorder | cksum
+pamtotiff ${tartan_ppm} -append -output ${multiimage_tiff} && \
+  tifftopnm ${multiimage_tiff} | pampick 1 | cksum
+
+
+# PPM image with two colors
+# Should print 3743909631 14836 four times
+
+echo PPM-2
+ppmpat -argyle2 -color=rgb:0/0/0,rgb:f/8/f,rgb:0/0/0 61 81 | \
+  tee ${argylecolor_ppm} | cksum
+pamtotiff -indexbits=2 ${argylecolor_ppm} -append -output ${multiimage_tiff} && \
+  tifftopnm ${multiimage_tiff} | pampick 2 | cksum
+pamtotiff -indexbits=1 ${argylecolor_ppm} | tifftopnm | cksum
+pamtotiff -indexbits=1 -g4 ${argylecolor_ppm} | tifftopnm | cksum
+
+# PPM image with six shades of gray
+# pamtotiff detects the absence of colors and produces a grayscale
+# tiff image unless -color is specified
+# Pipeline output is PGM unless -color is specified
+# Should print 603974118 4954 six times
+
+echo PPM-gray
+ppmpat -gingham3 -color=rgb:0/0/0,rgb:ff/ff/ff,rgb:0/0/0 61 81 | \
+  tee ${gingham_ppm} | ppmtopgm | cksum
+pamtotiff -color ${gingham_ppm} | tifftopnm | cksum
+pamtotiff -indexbits=1,2 -mb -fill ${gingham_ppm} | tifftopnm | cksum
+pamtotiff -indexbits=1,2 -mw ${gingham_ppm} | tifftopnm | cksum
+pamtotiff -indexbits=1,2,4,8 -mb ${gingham_ppm} | tifftopnm | cksum
+pamtotiff -mb ${gingham_ppm} -append -output ${multiimage_tiff} && \
+  tifftopnm ${multiimage_tiff} | pampick 3 | cksum
+
+# PPM image with two shades of gray (bilevel)
+# pamtotiff detects the absence of colors and produces a grayscale
+# tiff image unless -color is specified
+# Pipeline output is PGM unless -color is specified
+# Should print 1001018459 4954 four times
+
+echo PPM-bilevel-black-white
+ppmpat -argyle2 -color=rgb:0/0/0,rgb:ff/ff/ff,rgb:0/0/0 61 81 | \
+  tee ${argylegray_ppm} | ppmtopgm | cksum
+pamtotiff -color -fill ${argylegray_ppm} | tifftopnm | cksum
+pamtotiff -indexbits=1 -mw ${argylegray_ppm} | tifftopnm | cksum
+pamtotiff -mb ${argylegray_ppm} -append -output ${multiimage_tiff} && \
+  tifftopnm ${multiimage_tiff} | pampick 4 | cksum
 
-pamtotiff testimg.ppm 1<>${tmpdir}/test1.tiff &&
-  tifftopnm ${tmpdir}/test1.tiff | cksum
+# PBM image
+# Should print 2425386270 41 three times
 
-# test flate compression
-pamtotiff -flate testimg.ppm 1<>${tmpdir}/test2.tiff &&
-  tifftopnm ${tmpdir}/test2.tiff | cksum
+echo PBM
+pamtotiff testgrid.pbm | tifftopnm | cksum
+pamtotiff -g3 -fill testgrid.pbm | tifftopnm | cksum
+pamtotiff -g4 -mb testgrid.pbm -append -output ${multiimage_tiff} && \
+  tifftopnm ${multiimage_tiff} | pampick 5 | cksum
 
-pamtotiff testgrid.pbm 1<>${tmpdir}/test3.tiff &&
-  tifftopnm ${tmpdir}/test3.tiff | cksum
+# Extract individual images from multi-image tiff file
 
-# test G4 compression
-pamtotiff -g4 testgrid.pbm 1<>${tmpdir}/test4.tiff &&
-  tifftopnm ${tmpdir}/test4.tiff | cksum
+echo "Extract from multi-image TIFF"
+tifftopnm ${multiimage_tiff} | pampick 0 | cksum
+tifftopnm ${multiimage_tiff} | pampick 1 | cksum
+tifftopnm ${multiimage_tiff} | pampick 2 | cksum
+tifftopnm ${multiimage_tiff} | pampick 3 | cksum
+tifftopnm ${multiimage_tiff} | pampick 4 | cksum
 
-rm ${tmpdir}/test[1234].tiff
+rm ${tartan_ppm} ${gingham_ppm} ${argylecolor_ppm} \
+   ${argylegray_ppm} ${multiimage_tiff}
\ No newline at end of file
diff --git a/test/tiffcmyk-roundtrip.ok b/test/tiffcmyk-roundtrip.ok
new file mode 100644
index 00000000..05c0b188
--- /dev/null
+++ b/test/tiffcmyk-roundtrip.ok
@@ -0,0 +1,5 @@
+match
+match
+match
+match
+match
diff --git a/test/tiffcmyk-roundtrip.test b/test/tiffcmyk-roundtrip.test
new file mode 100755
index 00000000..133c81b7
--- /dev/null
+++ b/test/tiffcmyk-roundtrip.test
@@ -0,0 +1,42 @@
+#! /bin/bash
+# This script tests: pnmtotiffcmyk tifftopnm
+# Also requires: pnmpsnr
+
+# Failure message
+## If this test fails, the cause may be a problem in the TIFF library.
+
+tmpdir=${tmpdir:-/tmp}
+tartan_ppm=${tmpdir}/tartan.ppm
+output_ppm=${tmpdir}/output.ppm
+output_tiff=${tmpdir}/output.tiff
+
+# Note that color images cannot be tested by the roundtrip method
+# because of approximations incurred by converting from RGB to CMYK
+
+pnmtotiffcmyk testimg.ppm > ${output_tiff} && \
+  tifftopnm -headerdump -byrow ${output_tiff} | \
+  pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm
+
+
+# Note that "-rowsperstrip=1" does not work
+pnmtotiffcmyk -rowsperstrip 1 -lsb2msb testimg.ppm > ${output_tiff} && \
+  tifftopnm -respectfillorder -byrow  ${output_tiff} | \
+  pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm
+
+
+pnmtotiffcmyk -packbits testimg.ppm > ${output_tiff} && \
+  tifftopnm -byrow ${output_tiff} | \
+  pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm
+
+
+pnmtotiffcmyk -lzw testimg.ppm > ${output_tiff} && \
+  tifftopnm -byrow ${output_tiff} | \
+  pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm
+
+
+pnmtotiffcmyk -lzw -predictor 2 testimg.ppm > ${output_tiff} && \
+  tifftopnm -respectfillorder -byrow ${output_tiff} | \
+  pnmpsnr -target1=45.0 -target2=59.5 -target=56.5 - testimg.ppm
+
+
+rm ${output_tiff}
diff --git a/test/utahrle-roundtrip.test b/test/utahrle-roundtrip.test
index 982b72a9..17f1a6c4 100755
--- a/test/utahrle-roundtrip.test
+++ b/test/utahrle-roundtrip.test
@@ -2,7 +2,6 @@
 # This script tests: pnmtorle rletopnm
 # Also requires: pamchannel pamtopnm
 
-
 #Test 1.  Should produce 1571496937 33838, cksum of testimg.red
 pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | pamtopnm | \
   pnmtorle | rletopnm | cksum