diff options
Diffstat (limited to 'test/ppmchange.test')
| -rwxr-xr-x | test/ppmchange.test | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/test/ppmchange.test b/test/ppmchange.test index d29a699f..a749a5d2 100755 --- a/test/ppmchange.test +++ b/test/ppmchange.test @@ -1,18 +1,19 @@ #! /bin/bash # This script tests: ppmchange -# Also requires: ppmrainbow pgmramp +# Also requires: ppmrainbow pgmramp ppmhist # Failure message ## If this test fails and ppmchange-roundtrip.test succeeds, -## the probably cause is a problem with one of the options of +## the probable cause is a problem with one of the options of ## ppmchange: -closeness or -remainder. tmpdir=${tmpdir:-/tmp} rainbow_ppm=${tmpdir}/rainbow.ppm +changed_ppm=${tmpdir}/changed.ppm -# Explicit values for intermediate colors: rgb.txt may be defining them -# in unusual ways. +# Explicit values for intermediate colors: rgb.txt may not be the one +# Netpbm provides; they may be defined in unusual ways. brown=rgb:67/43/00 cyan=rgb:00/ff/ff @@ -20,7 +21,7 @@ yellow=rgb:ff/ff/00 gray=rgb:7f/7f/7f -# Test 1. Should print 811868957 60 +# Test 1. Should print 22488533 203 pgmramp -lr 8 8 | ppmchange black black white white $gray $gray \ -close=10 -remainder=blue | cksum @@ -31,29 +32,31 @@ ppmrainbow -tmpdir=$tmpdir -width=200 -height=1 red green blue | \ tee ${rainbow_ppm} | \ ppmchange red $brown green $brown blue $brown | cksum +# Validate ${rainbow_ppm} +# Should print 1983174784 613 -# Test 3. Should print 3885709071 613 +cat ${rainbow_ppm} | cksum + + +# Test 3. Should print 2146447222 613 ppmchange red $brown green $cyan blue $yellow \ -closeness=25 ${rainbow_ppm} | cksum -# Test 4. Should print 2101746192 613 +# Test 4. Should print 1216791938 613 ppmchange red rgb:64/00/01 rgb:00/ff/00 rgb:00/32/02 blue blue \ - -remainder=black -closeness=25 ${rainbow_ppm} | cksum + -remainder=black -closeness=25 ${rainbow_ppm} | tee ${changed_ppm} | cksum -rm ${rainbow_ppm} +# Produce a histogram of the colors in the output image +# Should produce +# 0 0 0 0 78 +# 0 0 255 29 40 +# 0 50 2 30 41 +# 100 0 1 30 41 +ppmhist -sort=rgb -noheader ${changed_ppm} -# cksum ${rainbow_ppm} -# 1983174784 613 rainbow.ppm -# ppmchange red rgb:64/00/01 rgb:00/ff/00 rgb:00/32/02 blue blue \ -# -remainder=black -closeness=25 ${rainbow_ppm} | \ -# pphist -sort=rgb -noheader -# -# 0 0 0 0 75 -# 0 0 255 29 42 -# 0 50 2 30 42 -# 100 0 1 30 41 +rm ${rainbow_ppm} ${changed_ppm} |