Adding upstream version 5.6.1+really5.4.5.upstream/5.6.1+really5.4.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 150 insertions, 0 deletions

diff --git a/tests/test_compress.sh b/tests/test_compress.sh
new file mode 100755
index 0000000..ff13cef
--- /dev/null
+++ b/tests/test_compress.sh
@@ -0,0 +1,150 @@
+#!/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 1" ../config.h > /dev/null || return
+	grep "define HAVE_DECODER_$1 1" ../config.h > /dev/null || return
+	shift
+	test_xz "$@" --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 ARM64 --arm64
+test_filter SPARC --sparc
+
+exit 0