test_write_format_tar_empty.c revision 228753 
1/*-
2 * Copyright (c) 2003-2007 Tim Kientzle
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: head/lib/libarchive/test/test_write_format_tar_empty.c 189308 2009-03-03 17:02:51Z kientzle $");
27
28/*
29 * Check that an "empty" tar archive is correctly created.
30 */
31
32DEFINE_TEST(test_write_format_tar_empty)
33{
34	struct archive *a;
35	char buff[2048];
36	size_t used;
37	unsigned int i;
38
39	/* USTAR format: Create a new archive in memory. */
40	assert((a = archive_write_new()) != NULL);
41	assertA(0 == archive_write_set_format_ustar(a));
42	assertA(0 == archive_write_set_compression_none(a));
43	assertA(0 == archive_write_set_bytes_per_block(a, 512));
44	assertA(0 == archive_write_set_bytes_in_last_block(a, 512));
45	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
46
47	/* Close out the archive. */
48	assertA(0 == archive_write_close(a));
49#if ARCHIVE_VERSION_NUMBER < 2000000
50	archive_write_finish(a);
51#else
52	assertA(0 == archive_write_finish(a));
53#endif
54
55#if ARCHIVE_VERSION_NUMBER < 1009000
56	/* Earlier versions wrote 0-length files for empty tar archives. */
57	skipping("empty tar archive size");
58#else
59	assert(used == 1024);
60#endif
61	for (i = 0; i < used; i++) {
62		failure("Empty tar archive should be all nulls.");
63		assert(buff[i] == 0);
64	}
65
66	/* PAX format: Create a new archive in memory. */
67	assert((a = archive_write_new()) != NULL);
68	assertA(0 == archive_write_set_format_pax(a));
69	assertA(0 == archive_write_set_compression_none(a));
70	assertA(0 == archive_write_set_bytes_per_block(a, 512));
71	assertA(0 == archive_write_set_bytes_in_last_block(a, 512));
72	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
73
74	/* Close out the archive. */
75	assertA(0 == archive_write_close(a));
76#if ARCHIVE_VERSION_NUMBER < 2000000
77	archive_write_finish(a);
78#else
79	assertA(0 == archive_write_finish(a));
80#endif
81
82#if ARCHIVE_VERSION_NUMBER < 1009000
83	/* Earlier versions wrote 0-length files for empty tar archives. */
84	skipping("empty tar archive size");
85#else
86	assertEqualInt((int)used, 1024);
87#endif
88	for (i = 0; i < used; i++) {
89		failure("Empty tar archive should be all nulls.");
90		assert(buff[i] == 0);
91	}
92}
93