1 files changed, 41 insertions, 20 deletions
diff --git a/test/pnmquant.test b/test/pnmquant.test
index 3a2ef906..4baff9a8 100755
--- a/test/pnmquant.test
+++ b/test/pnmquant.test
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 # This script tests: pnmquant
 # Also requires: ppmhist
 
@@ -7,30 +7,30 @@ echo "Test 1"
 # Count colors in output image.
 
 pnmquant 256 testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 256) , ($2 > 256 * 0.95)}' 
+  awk 'NR==1 {print ($2 <= 256) , ($2 > 256 * 0.95)}'
 
 pnmquant -center 256 testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 256) , ($2 > 256 * 0.95)}' 
+  awk 'NR==1 {print ($2 <= 256) , ($2 > 256 * 0.95)}'
 
 pnmquant -spreadbrightness 256 testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 256) , ($2 > 256 * 0.95)}' 
+  awk 'NR==1 {print ($2 <= 256) , ($2 > 256 * 0.95)}'
 
 pnmquant -spreadluminosity 128 testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 128) , ($2 > 128 * 0.95)}' 
+  awk 'NR==1 {print ($2 <= 128) , ($2 > 128 * 0.95)}'
 
 pnmquant -floyd -randomseed=0 128 testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 128) , ($2 > 128 * 0.95)}' 
+  awk 'NR==1 {print ($2 <= 128) , ($2 > 128 * 0.95)}'
 
 pnmquant 64 -meanpixel testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 64) , ($2 > 64 * 0.9)}' 
+  awk 'NR==1 {print ($2 <= 64) , ($2 > 64 * 0.9)}'
 
 pnmquant 16 -meancolor testimg.ppm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 16) , ($2 > 16 * 0.9)}' 
+  awk 'NR==1 {print ($2 <= 16) , ($2 > 16 * 0.9)}'
 
 
 pnmquant 2 testgrid.pbm | ppmhist | \
-  awk 'NR==1 {print ($2 <= 2) , ($2 == 2) }' 
- 
+  awk 'NR==1 {print ($2 <= 2) , ($2 == 2) }'
+
 echo "Test Invalid"
 
 echo 1>&2
@@ -42,20 +42,41 @@ tmpdir=${tmpdir:-/tmp}
 test_out=${tmpdir}/test_out
 
 pnmquant 0 testimg.ppm   > ${test_out} || \
-  echo -n "Expected failure 1"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 1 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
+
 pnmquant testimg.ppm  > ${test_out} || \
-  echo -n "Expected failure 2"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 2 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
+
 pnmquant 10.5 testimg.ppm > ${test_out} || \
-  echo -n "Expected failure 3"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 3 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
+
 pnmquant -center -meancolor 16 testimg.ppm > ${test_out} || \
-  echo -n "Expected failure 4"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 4 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
+
 pnmquant -center -meanpixel 16 testimg.ppm    > ${test_out} || \
-  echo -n "Expected failure 5"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 5 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
+
 pnmquant -meancolor -meanpixel 16 testimg.ppm > ${test_out} || \
-  echo -n "Expected failure 6"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 6 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
+
 pnmquant -spreadbrightness -spreadluminosity 16 testimg.ppm > ${test_out} || \
-  echo -n "Expected failure 7"; test -s ${test_out}; echo " "$?
-pnmquant -randomseed 1 -norandom 10 testimg.ppm > ${test_out} || \
-  echo -n "Expected failure 8"; test -s ${test_out}; echo " "$?
+  printf "Expected failure 7 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}
 
-rm ${test_out}
+pnmquant -randomseed 1 -norandom 10 testimg.ppm > ${test_out} || \
+  printf "Expected failure 8 "
+  test -s ${test_out} && echo "unexpected output" || echo "(no output)"
+  rm -f ${test_out}