/*-
 * Copyright (c) 2009 Michihiro NAKAJIMA
 * Copyright (c) 2003-2008 Tim Kientzle
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "test.h"

/*
Execute the following to rebuild the data for this program:
   tail -n +33 test_compat_lzma.c | /bin/sh

# Use lzma command of XZ Utils.
name=test_compat_lzma_1
zcmd=lzma
zsuffix=lzma
ztar_suffix=tlz
dir="$name`date +%Y%m%d%H%M%S`.$USER"
mktarfile()
{
mkdir $dir
echo "f1" > $dir/f1
echo "f2" > $dir/f2
echo "f3" > $dir/f3
mkdir $dir/d1
echo "f1" > $dir/d1/f1
echo "f2" > $dir/d1/f2
echo "f3" > $dir/d1/f3
(cd $dir; tar cf ../$name.tar f1 f2 f3 d1/f1 d1/f2 d1/f3)
rm -r $dir
}
mktarfile
$zcmd $name.tar
mv $name.tar.$zsuffix $name.$ztar_suffix
echo "This is unrelated junk data at the end of the file" >> $name.$ztar_suffix
uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu
rm -f $name.$ztar_suffix
#
# Use option -e
#
name=test_compat_lzma_2
dir="$name`date +%Y%m%d%H%M%S`.$USER"
mktarfile
$zcmd -e $name.tar
mv $name.tar.$zsuffix $name.$ztar_suffix
uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu
rm -f $name.$ztar_suffix
#
# Use lzma command of LZMA SDK with option -d12.
#
name=test_compat_lzma_3
zcmd=lzmasdk	# Change this path to use lzma of LZMA SDK.
dir="$name`date +%Y%m%d%H%M%S`.$USER"
mktarfile
$zcmd e -d12 $name.tar $name.$ztar_suffix
rm -f $name.tar
uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu
rm -f $name.$ztar_suffix

exit 0
*/

/*
 * Verify our ability to read sample files compatibly with unlzma.
 *
 * In particular:
 *  * unlzma will read multiple lzma streams, concatenating the output
 *  * unlzma will read lzma streams which is made by lzma with option -e,
 *    concatenating the output
 *
 * Verify our ability to read sample files compatibly with lzma of
 * LZMA SDK.
 *  * lzma will read lzma streams which is made by lzma with option -d12,
 *    concatenating the output
 */

/*
 * All of the sample files have the same contents; they're just
 * compressed in different ways.
 */
static void
compat_lzma(const char *name)
{
	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
	struct archive_entry *ae;
	struct archive *a;
	int i, r;

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	r = archive_read_support_filter_lzma(a);
	if (r == ARCHIVE_WARN) {
		skipping("lzma reading not fully supported on this platform");
		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
		return;
	}
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	extract_reference_file(name);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));

	/* Read entries, match up names with list above. */
	for (i = 0; i < 6; ++i) {
		failure("Could not read file %d (%s) from %s", i, n[i], name);
		assertEqualIntA(a, ARCHIVE_OK,
		    archive_read_next_header(a, &ae));
		assertEqualString(n[i], archive_entry_pathname(ae));
	}

	/* Verify the end-of-archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify that the format detection worked. */
	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_LZMA);
	assertEqualString(archive_filter_name(a, 0), "lzma");
	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);

	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}


DEFINE_TEST(test_compat_lzma)
{
	/* This sample has been added junk data to its tail. */
	compat_lzma("test_compat_lzma_1.tlz");
	/* This sample has been made by lzma with option -e,
	 * the first byte of which is 0x5e.
	 * Not supported in libarchive 2.7.* and earlier */
	compat_lzma("test_compat_lzma_2.tlz");
	/* This sample has been made by lzma of LZMA SDK with
	 * option -d12, second byte and third byte of which is
	 * not zero.
	 * Not supported in libarchive 2.7.* and earlier */
	compat_lzma("test_compat_lzma_3.tlz");
}
