1 files changed, 39 insertions, 5 deletions
diff --git a/test/pbmclean.test b/test/pbmclean.test
index a8e469b1..5eba68e0 100755
--- a/test/pbmclean.test
+++ b/test/pbmclean.test
@@ -1,19 +1,53 @@
-#! /bin/bash
+#! /bin/sh
 # This script tests: pbmclean
-# Also requires: pbmmake pbmpage pnmmargin pnmpad
+# Also requires: pbmmake pbmpage pbmtext pnmmargin pnmpad
 
 
 tmpdir=${tmpdir:-/tmp}
 test_pbm=${tmpdir}/test.pbm
+sheet_pbm=${tmpdir}/sheet.pbm
+
+echo "Test 1"
 
 pbmmake -g 3 3 | pnmmargin -black 2 > ${test_pbm}
 
 for n in 1 2 3 4 5 6 7 8
-do
-pbmclean -min=$n -black -plain ${test_pbm}
-done
+  do
+  pbmclean -min=${n} -black -plain ${test_pbm}
+  done
 
 rm ${test_pbm}
 
+
+echo "Test 2"
+
 # Should print 760076056 4210813
 pbmpage 1 | pbmclean -black | cksum
+
+
+echo "Test 3"
+
+pbmtext -dump-sheet > ${sheet_pbm}
+for n in 1 2 3 4 5 6 7 8 9 10
+  do
+  pbmclean -min=${n} -extended  ${sheet_pbm} | cksum
+  done
+
+rm ${sheet_pbm}
+
+echo "Test Invalid"
+
+test_out=${tmpdir}/test_out
+
+echo 1>&2
+echo "Invalid command-line argument combination." 1>&2
+echo "An error message should appear below the line." 1>&2
+echo "-----------------------------------------------------------" 1>&2
+
+# overspecification
+pbmclean -black -white -min=1 -extended testgrid.pbm > ${test_out} || \
+  printf "Expected failure 1"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+# note that without -extended the above is valid.