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Diffstat (limited to 'test/enlarge-reduce-roundtrip.test')
-rwxr-xr-x | test/enlarge-reduce-roundtrip.test | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/enlarge-reduce-roundtrip.test b/test/enlarge-reduce-roundtrip.test new file mode 100755 index 00000000..54b52c60 --- /dev/null +++ b/test/enlarge-reduce-roundtrip.test @@ -0,0 +1,34 @@ +#! /bin/bash +# This script tests: pamenlarge pbmpscale pbmreduce +# Also requires: pbmtext + +tmpdir=${tmpdir:-/tmp} +xanadu_pbm=${tmpdir}/xanadu.pbm + +echo "In Xanadu did Kubla khan" | pbmtext > ${xanadu_pbm} + +# Should print 2364818683 590 + +cat ${xanadu_pbm} | cksum + +# Should print 2364818683 590 eight times + +for scale in 2 4 6 7 + do + for flag in "-fs -randomseed=0" "-threshold -v 0.4" + do + pamenlarge ${scale} ${xanadu_pbm} | pbmreduce ${flag} ${scale} | cksum + done + done + +# Should print 2364818683 590 eight times + +for scale in 5 7 9 11 + do + for flag in "-fs -randomseed=0" "-threshold" + do + pbmpscale ${scale} ${xanadu_pbm} | pbmreduce ${flag} ${scale} | cksum + done + done + +rm ${xanadu_pbm} |