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Diffstat (limited to 'test/gif-roundtrip.test')
| -rwxr-xr-x | test/gif-roundtrip.test | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/gif-roundtrip.test b/test/gif-roundtrip.test new file mode 100755 index 00000000..73246705 --- /dev/null +++ b/test/gif-roundtrip.test @@ -0,0 +1,30 @@ +#! /bin/bash +# This script tests: giftopnm pamtogif +# Also requires: ppmtopgm ppmtorgb3 rgb3toppm + +# Test 1. Should produce 2871603838 33838 +# which is the result of ppmtopgm testimg.ppm | cksum + +${PBM_BINPREFIX}ppmtopgm testimg.ppm | \ + ${PBM_TESTPREFIX}pamtogif | ${PBM_TESTPREFIX}giftopnm | cksum + +# Test 2. Break up input image into three monochrome planes, +# maxval 255. Transform each plane to gif and back to pgm. +# Reassemble the planes. Result should be identical to input. +# Should print 1926073387 101484 + +cp testimg.ppm ${tmpdir} && +${PBM_BINPREFIX}ppmtorgb3 ${tmpdir}/testimg.ppm && +${PBM_TESTPREFIX}pamtogif ${tmpdir}/testimg.red | \ + ${PBM_TESTPREFIX}giftopnm > ${tmpdir}/out.red && +${PBM_TESTPREFIX}pamtogif ${tmpdir}/testimg.grn | + ${PBM_TESTPREFIX}giftopnm > ${tmpdir}/out.grn && +${PBM_TESTPREFIX}pamtogif ${tmpdir}/testimg.blu | \ + ${PBM_TESTPREFIX}giftopnm | \ + ${PBM_BINPREFIX}rgb3toppm ${tmpdir}/testimg.red ${tmpdir}/testimg.grn - | \ + cksum + +rm ${tmpdir}/testimg.{ppm,red,grn,blu} ${tmpdir}/out.{red,grn} + +# Test 3. Should produce 2425386270 41 +${PBM_TESTPREFIX}pamtogif testgrid.pbm | ${PBM_TESTPREFIX}giftopnm | cksum |