1/*-
2 * Copyright (c) 2017 Sean Purcell
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#include "test.h"
26__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/test/test_compat_zstd.c 362133 2020-06-12 23:01:29Z mm $");
27
28/*
29 * Verify our ability to read sample files compatibly with 'zstd -d'.
30 *
31 * In particular:
32 *  * zstd -d will read multiple zstd streams, concatenating the output
33 *  * zstd -d will skip over zstd skippable frames
34 */
35
36static void
37compat_zstd(const char *name)
38{
39	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
40	struct archive_entry *ae;
41	struct archive *a;
42	int i, r;
43
44	assert((a = archive_read_new()) != NULL);
45	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
46	r = archive_read_support_filter_zstd(a);
47	if (r == ARCHIVE_WARN) {
48		skipping("zstd reading not fully supported on this platform");
49		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
50		return;
51	}
52	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
53	extract_reference_file(name);
54	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));
55
56	/* Read entries, match up names with list above. */
57	for (i = 0; i < 6; ++i) {
58		failure("Could not read file %d (%s) from %s", i, n[i], name);
59		assertEqualIntA(a, ARCHIVE_OK,
60		    archive_read_next_header(a, &ae));
61		assertEqualString(n[i], archive_entry_pathname(ae));
62	}
63
64	/* Verify the end-of-archive. */
65	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
66
67	/* Verify that the format detection worked. */
68	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_ZSTD);
69	assertEqualString(archive_filter_name(a, 0), "zstd");
70	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
71
72	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
73	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
74}
75
76
77DEFINE_TEST(test_compat_zstd)
78{
79	/* This sample was compressed as 3 separate streams with a zstd skippable
80	* frame placed in the middle */
81	compat_zstd("test_compat_zstd_1.tar.zst");
82
83	/* The same sample compressed with pzstd */
84	compat_zstd("test_compat_zstd_2.tar.zst");
85}
86