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Diffstat (limited to 'tests/test_compress.sh')
| -rwxr-xr-x | tests/test_compress.sh | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/test_compress.sh b/tests/test_compress.sh new file mode 100755 index 0000000..61d20ce --- /dev/null +++ b/tests/test_compress.sh @@ -0,0 +1,149 @@ +#!/bin/sh + +############################################################################### +# +# Author: Lasse Collin +# +# This file has been put into the public domain. +# You can do whatever you want with this file. +# +############################################################################### + +# If xz wasn't built, this test is skipped. +if test -x ../src/xz/xz ; then + : +else + exit 77 +fi + +# If compression or decompression support is missing, this test is skipped. +# This isn't perfect as if only some compressors or decompressors are disabled +# then this script can still fail because for now this doesn't check the +# availability of each filter. +if grep 'define HAVE_ENCODERS' ../config.h > /dev/null \ + && grep 'define HAVE_DECODERS' ../config.h > /dev/null ; then + : +else + echo "Compression or decompression support is disabled, skipping this test." + exit 77 +fi + +# Find out if our shell supports functions. +eval 'unset foo ; foo() { return 42; } ; foo' +if test $? != 42 ; then + echo "/bin/sh doesn't support functions, skipping this test." + exit 77 +fi + +test_xz() { + if $XZ -c "$@" "$FILE" > "$TMP_COMP"; then + : + else + echo "Compressing failed: $* $FILE" + exit 1 + fi + + if $XZ -cd "$TMP_COMP" > "$TMP_UNCOMP" ; then + : + else + echo "Decompressing failed: $* $FILE" + exit 1 + fi + + if cmp "$TMP_UNCOMP" "$FILE" ; then + : + else + echo "Decompressed file does not match" \ + "the original: $* $FILE" + exit 1 + fi + + if test -n "$XZDEC" ; then + if $XZDEC "$TMP_COMP" > "$TMP_UNCOMP" ; then + : + else + echo "Decompressing failed: $* $FILE" + exit 1 + fi + + if cmp "$TMP_UNCOMP" "$FILE" ; then + : + else + echo "Decompressed file does not match" \ + "the original: $* $FILE" + exit 1 + fi + fi +} + +XZ="../src/xz/xz --memlimit-compress=48MiB --memlimit-decompress=5MiB \ + --no-adjust --threads=1 --check=crc32" +grep "define HAVE_CHECK_CRC64" ../config.h > /dev/null \ + && XZ="$XZ --check=crc64" +XZDEC="../src/xzdec/xzdec" # No memory usage limiter available +test -x ../src/xzdec/xzdec || XZDEC= + +# Create the required input file if needed. +# +# Derive temporary filenames for compressed and uncompressed outputs +# from the input filename. This is needed when multiple tests are +# run in parallel. +FILE=$1 +TMP_COMP="tmp_comp_$FILE" +TMP_UNCOMP="tmp_uncomp_$FILE" + +case $FILE in + # compress_generated files will be created in the build directory + # in the /tests/ sub-directory. + compress_generated_*) + if ./create_compress_files "$FILE" ; then + : + else + rm -f "$FILE" + echo "Failed to create the file '$FILE'." + exit 1 + fi + ;; + # compress_prepared files exist in the source directory since they + # do not need to be copied or regenerated. + compress_prepared_*) + FILE="$srcdir/$FILE" + ;; + '') + echo "No test file was specified." + exit 1 + ;; +esac + +# Remove temporary now (in case they are something weird), and on exit. +rm -f "$TMP_COMP" "$TMP_UNCOMP" +trap 'rm -f "$TMP_COMP" "$TMP_UNCOMP"' 0 + +# Compress and decompress the file with various filter configurations. +# +# Don't test with empty arguments; it breaks some ancient +# proprietary /bin/sh versions due to $@ used in test_xz(). +test_xz -1 +test_xz -2 +test_xz -3 +test_xz -4 + +test_filter() +{ + grep "define HAVE_ENCODER_$1" ../config.h > /dev/null || return + grep "define HAVE_DECODER_$1" ../config.h > /dev/null || return + shift + test_xz "$@" --lzma2=dict=64KiB,nice=32,mode=fast +} + +test_filter DELTA --delta=dist=1 +test_filter DELTA --delta=dist=4 +test_filter DELTA --delta=dist=256 +test_filter X86 --x86 +test_filter POWERPC --power +test_filter IA64 --ia64 +test_filter ARM --arm +test_filter ARMTHUMB --armthumb +test_filter SPARC --sparc + +exit 0 |