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 /*
27 * Verify our ability to read sample files compatibly with 'zstd -d'.
28 *
29 * In particular:
30 * * zstd -d will read multiple zstd streams, concatenating the output
31 * * zstd -d will skip over zstd skippable frames
32 */
33
34 static void
compat_zstd(const char * name)35 compat_zstd(const char *name)
36 {
37 const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
38 struct archive_entry *ae;
39 struct archive *a;
40 int i, r;
41
42 assert((a = archive_read_new()) != NULL);
43 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
44 r = archive_read_support_filter_zstd(a);
45 if (r == ARCHIVE_WARN) {
46 skipping("zstd reading not fully supported on this platform");
47 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
48 return;
49 }
50 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
51 extract_reference_file(name);
52 assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));
53
54 /* Read entries, match up names with list above. */
55 for (i = 0; i < 6; ++i) {
56 failure("Could not read file %d (%s) from %s", i, n[i], name);
57 assertEqualIntA(a, ARCHIVE_OK,
58 archive_read_next_header(a, &ae));
59 assertEqualString(n[i], archive_entry_pathname(ae));
60 }
61
62 /* Verify the end-of-archive. */
63 assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
64
65 /* Verify that the format detection worked. */
66 assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_ZSTD);
67 assertEqualString(archive_filter_name(a, 0), "zstd");
68 assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
69
70 assertEqualInt(ARCHIVE_OK, archive_read_close(a));
71 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
72 }
73
74
DEFINE_TEST(test_compat_zstd)75 DEFINE_TEST(test_compat_zstd)
76 {
77 /* This sample was compressed as 3 separate streams with a zstd skippable
78 * frame placed in the middle */
79 compat_zstd("test_compat_zstd_1.tar.zst");
80
81 /* The same sample compressed with pzstd */
82 compat_zstd("test_compat_zstd_2.tar.zst");
83 }
84