1 files changed, 48 insertions, 0 deletions
diff --git a/test/ps-flate-roundtrip.test b/test/ps-flate-roundtrip.test
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+#! /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}