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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
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