1 files changed, 82 insertions, 0 deletions
diff --git a/test/pnmquant.test b/test/pnmquant.test
new file mode 100755
index 00000000..cbe69f5c
--- /dev/null
+++ b/test/pnmquant.test
@@ -0,0 +1,82 @@
+#! /bin/sh
+# This script tests: pnmquant
+# Also requires: ppmhist
+
+echo "Test 1"
+
+# Count colors in output image.
+
+pnmquant 256 testimg.ppm | ppmhist | \
+  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)}'
+
+pnmquant -spreadbrightness 256 testimg.ppm | ppmhist | \
+  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)}'
+
+pnmquant -floyd -randomseed=0 128 testimg.ppm | ppmhist | \
+  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)}'
+
+pnmquant 16 -meancolor testimg.ppm | ppmhist | \
+  awk 'NR==1 {print ($2 <= 16) , ($2 > 16 * 0.9)}'
+
+
+pnmquant 2 testgrid.pbm | ppmhist | \
+  awk 'NR==1 {print ($2 <= 2) , ($2 == 2) }'
+
+echo "Test Invalid"
+
+echo 1>&2
+echo "Invalid command-line arguments." 1>&2
+echo "Error messages should appear below the line." 1>&2
+echo "-----------------------------------------------------------" 1>&2
+
+tmpdir=${tmpdir:-/tmp}
+test_out=${tmpdir}/test_out
+
+pnmquant 0 testimg.ppm   > ${test_out} || \
+  printf "Expected failure 1"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant testimg.ppm  > ${test_out} || \
+  printf "Expected failure 2"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant 10.5 testimg.ppm > ${test_out} || \
+  printf "Expected failure 3"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant -center -meancolor 16 testimg.ppm > ${test_out} || \
+  printf "Expected failure 4"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant -center -meanpixel 16 testimg.ppm    > ${test_out} || \
+  printf "Expected failure 5"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant -meancolor -meanpixel 16 testimg.ppm > ${test_out} || \
+  printf "Expected failure 6"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant -spreadbrightness -spreadluminosity 16 testimg.ppm > ${test_out} || \
+  printf "Expected failure 7"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}
+
+pnmquant -randomseed 1 -norandom 10 testimg.ppm > ${test_out} || \
+  printf "Expected failure 8"
+  test -s ${test_out}; echo " "$?
+  rm -f ${test_out}