1 files changed, 42 insertions, 1 deletions
diff --git a/test/pamsumm.test b/test/pamsumm.test
index a99dea0e..f482911a 100755
--- a/test/pamsumm.test
+++ b/test/pamsumm.test
@@ -1,14 +1,55 @@
-#! /bin/bash
+#! /bin/sh
 # This script tests: pamsumm
 # Also requires:
 
+echo "Test 1.  Should print in order: 56, 0, 1, 0.250000"
 
 for type in -sum -min -max -mean
   do
   pamsumm -brief $type testgrid.pbm
   done
 
+echo "Test 2.  Should print in order: 1627, 0, 1, 0.483794"
+
+for type in -sum -min -max -mean
+  do
+  pamsumm -brief $type maze.pbm
+  done
+
+echo "Test 3.  Should print in order: 10772432, 15, 255, 106.164760"
+
 for type in -sum -min -max -mean
   do
   pamsumm -brief $type testimg.ppm
   done
+
+
+echo "Test Invalid"
+
+tmpdir=${tmpdir:-/tmp}
+test_out=${tmpdir}/test_out
+
+echo 1>&2
+echo "Invalid command-line argument combinations." 1>&2
+echo "Error messages should appear below the line." 1>&2
+echo "-----------------------------------------------------------" 1>&2
+
+pamsumm -sum -min  testimg.ppm > ${test_out} || \
+  printf "Expected failure 1"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pamsumm -sum -max  testimg.ppm > ${test_out} || \
+  printf "Expected failure 2"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pamsumm -mean -max testimg.ppm > ${test_out} || \
+  printf "Expected failure 3"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pamsumm            testimg.ppm > ${test_out} || \
+  printf "Expected failure 4"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}