Added test_compress.sh and bunch of files needed by it.

This new set of tests compress and decompress several
test files with many different compression options.
This set of tests will be extended later.

1 files changed, 183 insertions, 0 deletions

diff --git a/tests/test_compress.sh b/tests/test_compress.sh
new file mode 100755
index 00000000..5cf21cf4
--- /dev/null
+++ b/tests/test_compress.sh
@@ -0,0 +1,183 @@
+#!/bin/sh
+
+###############################################################################
+#
+#   Copyright (C) 2008 Lasse Collin
+#
+#   This library is free software; you can redistribute it and/or
+#   modify it under the terms of the GNU Lesser General Public
+#   License as published by the Free Software Foundation; either
+#   version 2.1 of the License, or (at your option) any later version.
+#
+#   This library is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#   Lesser General Public License for more details.
+#
+###############################################################################
+
+# 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_lzma() {
+	################
+	# Non-streamed #
+	################
+
+	if $LZMA -c "$@" "$FILE" > tmp_compressed; then
+		:
+	else
+		echo "Non-streamed compressing failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if $LZMA -cd tmp_compressed > tmp_uncompressed ; then
+		:
+	else
+		echo "Decoding of non-streamed file failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if cmp tmp_uncompressed "$FILE" ; then
+		:
+	else
+		echo "Decoded non-streamed file does not match the original: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if $LZMADEC tmp_compressed > tmp_uncompressed ; then
+		:
+	else
+		echo "Decoding of non-streamed file failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if cmp tmp_uncompressed "$FILE" ; then
+		:
+	else
+		echo "Decoded non-streamed file does not match the original: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	############
+	# Streamed #
+	############
+
+	if $LZMA -c "$@" < "$FILE" > tmp_compressed; then
+		:
+	else
+		echo "Streamed compressing failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if $LZMA -cd < tmp_compressed > tmp_uncompressed ; then
+		:
+	else
+		echo "Decoding of streamed file failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if cmp tmp_uncompressed "$FILE" ; then
+		:
+	else
+		echo "Decoded streamed file does not match the original: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if $LZMADEC < tmp_compressed > tmp_uncompressed ; then
+		:
+	else
+		echo "Decoding of streamed file failed: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	if cmp tmp_uncompressed "$FILE" ; then
+		:
+	else
+		echo "Decoded streamed file does not match the original: $* $FILE"
+		(exit 1)
+		exit 1
+	fi
+
+	# Show progress:
+	echo . | tr -d '\n\r'
+}
+
+LZMA="../src/lzma/lzma --memory=15Mi --threads=1"
+LZMADEC="../src/lzmadec/lzmadec --memory=4Mi"
+unset LZMA_OPT
+
+# Create the required input files.
+if ./create_compress_files ; then
+	:
+else
+	rm -f compress_*
+	echo "Failed to create files to test compression."
+	(exit 1)
+	exit 1
+fi
+
+# Remove temporary now (in case they are something weird), and on exit.
+rm -f tmp_compressed tmp_uncompressed
+trap 'rm -f tmp_compressed tmp_uncompressed' 0
+
+# Encode and decode each file with various filter configurations.
+# This takes quite a bit of time.
+echo "test_compress.sh:"
+for FILE in compress_generated_* "$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_lzma().
+	test_lzma -1
+	test_lzma -2
+	test_lzma -3
+	test_lzma -4
+
+	for ARGS in \
+		--copy \
+		--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 \
+		--delta=distance=1 \
+		--delta=distance=4 \
+		--delta=distance=256 \
+		--x86 \
+		--powerpc \
+		--ia64 \
+		--arm \
+		--armthumb \
+		--sparc
+	do
+		test_lzma $ARGS
+		test_lzma --subblock $ARGS
+		test_lzma $ARGS --subblock
+		test_lzma --subblock $ARGS --subblock
+	done
+
+	echo
+done
+
+(exit 0)
+exit 0