test_compat_lz4.c revision 302408 
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__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/test/test_compat_lz4.c 299529 2016-05-12 10:16:16Z mm $");
28
29/*
30 * Verify our ability to read sample files compatibly with 'lz4 -d'.
31 *
32 * In particular:
33 *  * lz4 -d will read multiple lz4 streams, concatenating the output
34 *  * lz4 -d will stop at the end of a stream if the following data
35 *    doesn't start with a lz4 signature.
36 */
37
38/*
39 * All of the sample files have the same contents; they're just
40 * compressed in different ways.
41 */
42static void
43verify(const char *name, const char *n[])
44{
45	struct archive_entry *ae;
46	struct archive *a;
47	int i,r;
48
49	assert((a = archive_read_new()) != NULL);
50	r = archive_read_support_filter_lz4(a);
51	if (r == ARCHIVE_WARN) {
52		skipping("lz4 reading not fully supported on this platform");
53		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
54		return;
55	}
56	assertEqualIntA(a, ARCHIVE_OK, r);
57	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
58	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
59	copy_reference_file(name);
60	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 200));
61
62	/* Read entries, match up names with list above. */
63	for (i = 0; n[i] != NULL; ++i) {
64		failure("Could not read file %d (%s) from %s", i, n[i], name);
65		assertEqualIntA(a, ARCHIVE_OK,
66		    archive_read_next_header(a, &ae));
67		if (r != ARCHIVE_OK) {
68			archive_read_free(a);
69			return;
70		}
71		assertEqualString(n[i], archive_entry_pathname(ae));
72	}
73
74	/* Verify the end-of-archive. */
75	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
76
77	/* Verify that the format detection worked. */
78	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_LZ4);
79	assertEqualString(archive_filter_name(a, 0), "lz4");
80	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
81
82	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
83	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
84}
85
86
87DEFINE_TEST(test_compat_lz4)
88{
89	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
90	const char *n2[7] = { "xfile", "README", "NEWS", NULL };
91	/* This sample has been 'split', each piece compressed separately,
92	 * then concatenated.  Lz4 will emit the concatenated result. */
93	/* Not supported in libarchive 2.6 and earlier */
94	verify("test_compat_lz4_1.tar.lz4.uu", n);
95	/* This sample has been compressed as a single stream, but then
96	 * some unrelated garbage text has been appended to the end. */
97	verify("test_compat_lz4_2.tar.lz4.uu", n);
98	/* This sample has been compressed as a legacy stream. */
99	verify("test_compat_lz4_3.tar.lz4.uu", n);
100	/* This sample has been compressed with -B4 option. */
101	verify("test_compat_lz4_B4.tar.lz4.uu", n2);
102	/* This sample has been compressed with -B5 option. */
103	verify("test_compat_lz4_B5.tar.lz4.uu", n2);
104	/* This sample has been compressed with -B6 option. */
105	verify("test_compat_lz4_B6.tar.lz4.uu", n2);
106	/* This sample has been compressed with -B7 option. */
107	verify("test_compat_lz4_B7.tar.lz4.uu", n2);
108	/* This sample has been compressed with -B4 and -BD options. */
109	verify("test_compat_lz4_B4BD.tar.lz4.uu", n2);
110	/* This sample has been compressed with -B5 and -BD options. */
111	verify("test_compat_lz4_B5BD.tar.lz4.uu", n2);
112	/* This sample has been compressed with -B6 and -BD options. */
113	verify("test_compat_lz4_B6BD.tar.lz4.uu", n2);
114	/* This sample has been compressed with -B7 and -BD options. */
115	verify("test_compat_lz4_B7BD.tar.lz4.uu", n2);
116	/* This sample has been compressed with -B4 ,-BD and -BX options. */
117	verify("test_compat_lz4_B4BDBX.tar.lz4.uu", n2);
118}
119
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