diff options
Diffstat (limited to 'test/pamchannel.test')
| -rwxr-xr-x | test/pamchannel.test | 48 |
1 files changed, 37 insertions, 11 deletions
diff --git a/test/pamchannel.test b/test/pamchannel.test index 3529f4fe..f2662706 100755 --- a/test/pamchannel.test +++ b/test/pamchannel.test @@ -1,7 +1,6 @@ -#! /bin/bash +#! /bin/sh # This script tests: pamchannel -# Also requires: pamtopnm - +# Also requires: pamtopam pamtopnm # Extract planes one by one. # Convert output to pgm to make it identical to ppmtorgb3 output. @@ -13,20 +12,47 @@ # 3164158573 33838 testimg.blu -# Test 1. red channel -# Should produce 1571496937 33838 - +echo "Test 1:red-channel Should produce 1571496937 33838" pamchannel -infile testimg.ppm 0 | \ pamtopnm --assume | cksum -# Test 2. green channel -# Should produce 394856971 33838 - +echo "Test 2:green-channel Should produce 394856971 33838" pamchannel -infile testimg.ppm -tupletype="GRAYSCALE" 1 | \ pamtopnm | cksum -# Test 3. blue channel -# Should produce 3164158573 33838 +echo "Test 3:blue-channel Should produce 3164158573 33838" pamchannel -infile testimg.ppm 2 | \ pamtopnm --assume | cksum + +echo "Test 4:single-channel Should produce 281226646 481" +pamchannel -infile maze.pbm 0 | \ + pamtopnm --assume | cksum + +# Test invalid: specified channel does not exist + +echo 1>&2 +echo "Invalid command-line argument combinations." 1>&2 +echo "Error messages should appear below the line." 1>&2 +echo "-----------------------------------------------------------" 1>&2 + +tmpdir=${tmpdir:-/tmp} +test_out=${tmpdir}/test_out + +echo "Test Invalid" + +pamchannel -infile testgrid.pbm 1 > ${test_out} || \ + printf "Expected failure 1" + test -s ${test_out}; echo " "$? + rm -f ${test_out} + +pamchannel -infile testimg.ppm 3 > ${test_out} || \ + printf "Expected failure 2" + test -s ${test_out}; echo " "$? + rm -f ${test_out} + +pamtopam testimg.ppm | pamchannel -infile=- 4 > ${test_out} || \ + printf "Expected failure 3" + test -s ${test_out}; echo " "$? + rm -f ${test_out} + |