1/*-
2 * Copyright (c) 2003-2008 Tim Kientzle
3 * Copyright (c) 2014 Michihiro NAKAJIMA
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26#include "test.h"
27
28/*
29 * Verify our ability to read sample files compatibly with 'lz4 -d'.
30 *
31 * In particular:
32 *  * lz4 -d will read multiple lz4 streams, concatenating the output
33 *  * lz4 -d will stop at the end of a stream if the following data
34 *    doesn't start with a lz4 signature.
35 */
36
37/*
38 * All of the sample files have the same contents; they're just
39 * compressed in different ways.
40 */
41static void
42verify(const char *name, const char *n[])
43{
44	struct archive_entry *ae;
45	struct archive *a;
46	int i,r;
47
48	assert((a = archive_read_new()) != NULL);
49	r = archive_read_support_filter_lz4(a);
50	if (r == ARCHIVE_WARN) {
51		skipping("lz4 reading not fully supported on this platform");
52		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
53		return;
54	}
55	assertEqualIntA(a, ARCHIVE_OK, r);
56	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
57	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
58	copy_reference_file(name);
59	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 200));
60
61	/* Read entries, match up names with list above. */
62	for (i = 0; n[i] != NULL; ++i) {
63		failure("Could not read file %d (%s) from %s", i, n[i], name);
64		assertEqualIntA(a, ARCHIVE_OK,
65		    archive_read_next_header(a, &ae));
66		if (r != ARCHIVE_OK) {
67			archive_read_free(a);
68			return;
69		}
70		assertEqualString(n[i], archive_entry_pathname(ae));
71	}
72
73	/* Verify the end-of-archive. */
74	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
75
76	/* Verify that the format detection worked. */
77	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_LZ4);
78	assertEqualString(archive_filter_name(a, 0), "lz4");
79	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
80
81	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
82	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
83}
84
85
86DEFINE_TEST(test_compat_lz4)
87{
88	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
89	const char *n2[7] = { "xfile", "README", "NEWS", NULL };
90	/* This sample has been 'split', each piece compressed separately,
91	 * then concatenated.  Lz4 will emit the concatenated result. */
92	/* Not supported in libarchive 2.6 and earlier */
93	verify("test_compat_lz4_1.tar.lz4.uu", n);
94	/* This sample has been compressed as a single stream, but then
95	 * some unrelated garbage text has been appended to the end. */
96	verify("test_compat_lz4_2.tar.lz4.uu", n);
97	/* This sample has been compressed as a legacy stream. */
98	verify("test_compat_lz4_3.tar.lz4.uu", n);
99	/* This sample has been compressed with -B4 option. */
100	verify("test_compat_lz4_B4.tar.lz4.uu", n2);
101	/* This sample has been compressed with -B5 option. */
102	verify("test_compat_lz4_B5.tar.lz4.uu", n2);
103	/* This sample has been compressed with -B6 option. */
104	verify("test_compat_lz4_B6.tar.lz4.uu", n2);
105	/* This sample has been compressed with -B7 option. */
106	verify("test_compat_lz4_B7.tar.lz4.uu", n2);
107	/* This sample has been compressed with -B4 and -BD options. */
108	verify("test_compat_lz4_B4BD.tar.lz4.uu", n2);
109	/* This sample has been compressed with -B5 and -BD options. */
110	verify("test_compat_lz4_B5BD.tar.lz4.uu", n2);
111	/* This sample has been compressed with -B6 and -BD options. */
112	verify("test_compat_lz4_B6BD.tar.lz4.uu", n2);
113	/* This sample has been compressed with -B7 and -BD options. */
114	verify("test_compat_lz4_B7BD.tar.lz4.uu", n2);
115	/* This sample has been compressed with -B4 ,-BD and -BX options. */
116	verify("test_compat_lz4_B4BDBX.tar.lz4.uu", n2);
117}
118
119
120