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authorgiraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>2019-06-28 23:07:55 +0000
committergiraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>2019-06-28 23:07:55 +0000
commit11fd0bc3fdbe7b5eb9266a728a81d0bcac91fe32 (patch)
tree7c40f096dd973943ef563ec87b2a68d8205db4fb /test/png-roundtrip.test
parent89c6ec14eb7514630aea5abc4b90b51d1473d33a (diff)
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Promote Stable to Super_stable
git-svn-id: http://svn.code.sf.net/p/netpbm/code/super_stable@3640 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'test/png-roundtrip.test')
-rwxr-xr-xtest/png-roundtrip.test51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/png-roundtrip.test b/test/png-roundtrip.test
new file mode 100755
index 00000000..7e7c4a9b
--- /dev/null
+++ b/test/png-roundtrip.test
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+#! /bin/bash
+# This script tests: pngtopam pnmtopng
+# Also requires:
+
+# Failure message
+## If this test fails and pnm-roundtrip2.test succeeds, it indicates
+## some problem with pnmtopng.
+
+# Test 1.  Should print 1926073387 101484 18 times
+for flags in "" -interlace \
+  -gamma=.45 \
+  -hist \
+  -nofilter \
+  -sub \
+  -up \
+  -avg \
+  -paeth \
+  -compression=9 \
+  "-compression=0 -comp_mem=1 -comp_window=8 -comp_buffer=512" \
+  "-compression=9 -comp_mem=1 -comp_window=15 -comp_buffer=512" \
+  "-compression=9 -comp_mem=1 -comp_window=8 -comp_buffer=512" \
+  "-compression=0 -comp_mem=9 -comp_window=8 -comp_buffer=512" \
+  "-compression=9 -comp_mem=9 -comp_window=15 -comp_buffer=8096" \
+  -comp_strategy=huffman_only \
+  -comp_strategy=filtered \
+  -force
+  do
+pnmtopng testimg.ppm $flags | pngtopam | cksum
+done
+
+# Test 2.  Should print 2425386270 41 18 times
+for flags in "" -interlace \
+  -gamma=.45 \
+  -hist \
+  -nofilter \
+  -sub \
+  -up \
+  -avg \
+  -paeth \
+  -compression=9 \
+  "-compression=0 -comp_mem=1 -comp_window=8 -comp_buffer=512" \
+  "-compression=9 -comp_mem=1 -comp_window=15 -comp_buffer=512" \
+  "-compression=9 -comp_mem=1 -comp_window=8 -comp_buffer=512" \
+  "-compression=0 -comp_mem=9 -comp_window=8 -comp_buffer=512" \
+  "-compression=9 -comp_mem=9 -comp_window=15 -comp_buffer=8096" \
+  -comp_strategy=huffman_only \
+  -comp_strategy=filtered \
+  -force
+  do
+  pnmtopng testgrid.pbm $flags | pngtopam | cksum
+  done