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("$FreeBSD$");
27
28/*
29 * Check that an "empty" cpio archive is correctly created.
30 */
31
32/* Here's what an empty cpio archive should look like. */
33static char ref[] =
34"070707"  /* Magic number */
35"000000"  /* Dev = 0 */
36"000000"  /* ino = 0 */
37"000000"  /* mode = 0 */
38"000000"  /* uid = 0 */
39"000000"  /* gid = 0 */
40"000001"  /* nlink = 1 */
41"000000"  /* rdev = 0 */
42"00000000000" /* mtime = 0 */
43"000013"  /* Namesize = 11 */
44"00000000000" /* filesize = 0 */
45"TRAILER!!!\0"; /* Name */
46
47DEFINE_TEST(test_write_format_cpio_empty)
48{
49	struct archive *a;
50	char buff[2048];
51	size_t used;
52
53	/* Create a new archive in memory. */
54	assert((a = archive_write_new()) != NULL);
55	assertA(0 == archive_write_set_format_cpio(a));
56	assertA(0 == archive_write_set_compression_none(a));
57	/* 1-byte block size ensures we see only the required bytes. */
58	/* We're not testing the padding here. */
59	assertA(0 == archive_write_set_bytes_per_block(a, 1));
60	assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
61	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
62
63	/* Close out the archive. */
64	assertA(0 == archive_write_close(a));
65#if ARCHIVE_VERSION_NUMBER < 2000000
66	archive_write_finish(a);
67#else
68	assertA(0 == archive_write_finish(a));
69#endif
70
71	failure("Empty cpio archive should be exactly 87 bytes, was %d.", used);
72	assert(used == 87);
73	failure("Empty cpio archive is incorrectly formatted.");
74	assertEqualMem(buff, ref, 87);
75}
76