Import xz 5.2.2 (as of svn r86089)

tests/test_compress.sh

@@ -0,0 +1,142 @@
+#!/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)
+	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)
+	exit 77
+fi
+
+test_xz() {
+	if $XZ -c "$@" "$FILE" > tmp_compressed; then
+		:
+	else
+		echo "Compressing failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if $XZ -cd tmp_compressed > tmp_uncompressed ; then
+		:
+	else
+		echo "Decompressing failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if cmp tmp_uncompressed "$FILE" ; then
+		:
+	else
+		echo "Decompressed file does not match" \
+				"the original: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if test -n "$XZDEC" ; then
+		if $XZDEC tmp_compressed > tmp_uncompressed ; then
+			:
+		else
+			echo "Decompressing failed: $* $FILE"
+			(exit 1)
+			exit 1
+		fi
+
+		if cmp tmp_uncompressed "$FILE" ; then
+			:
+		else
+			echo "Decompressed file does not match" \
+					"the original: $* $FILE"
+			(exit 1)
+			exit 1
+		fi
+	fi
+
+	# Show progress:
+	echo . | tr -d '\n\r'
+}
+
+XZ="../src/xz/xz --memlimit-compress=48MiB --memlimit-decompress=5MiB \
+		--no-adjust --threads=1 --check=crc64"
+XZDEC="../src/xzdec/xzdec" # No memory usage limiter available
+test -x ../src/xzdec/xzdec || XZDEC=
+
+# Create the required input files.
+if ./create_compress_files ; then
+	:
+else
+	rm -f compress_*
+	echo "Failed to create files to test compression."
+	(exit 1)
+	exit 1
+fi
+
+# Remove temporary now (in case they are something weird), and on exit.
+rm -f tmp_compressed tmp_uncompressed
+trap 'rm -f tmp_compressed tmp_uncompressed' 0
+
+# Compress and decompress each file with various filter configurations.
+# This takes quite a bit of time.
+echo "test_compress.sh:"
+for FILE in compress_generated_* "$srcdir"/compress_prepared_*
+do
+	MSG=`echo "x$FILE" | sed 's,^x,,; s,^.*/,,; s,^compress_,,'`
+	echo "  $MSG" | tr -d '\n\r'
+
+	# 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
+
+	# Disabled until Subblock format is stable.
+#		--subblock \
+#		--subblock=size=1 \
+#		--subblock=size=1,rle=1 \
+#		--subblock=size=1,rle=4 \
+#		--subblock=size=4,rle=4 \
+#		--subblock=size=8,rle=4 \
+#		--subblock=size=8,rle=8 \
+#		--subblock=size=4096,rle=12 \
+#
+	for ARGS in \
+		--delta=dist=1 \
+		--delta=dist=4 \
+		--delta=dist=256 \
+		--x86 \
+		--powerpc \
+		--ia64 \
+		--arm \
+		--armthumb \
+		--sparc
+	do
+		test_xz $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
+
+		# Disabled until Subblock format is stable.
+		# test_xz --subblock $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
+	done
+
+	echo
+done
+
+(exit 0)
+exit 0