test_write_format_tar_empty.c revision 228763 
12490Sjkh/*-
22490Sjkh * Copyright (c) 2003-2007 Tim Kientzle
32490Sjkh * All rights reserved.
42490Sjkh *
52490Sjkh * Redistribution and use in source and binary forms, with or without
62490Sjkh * modification, are permitted provided that the following conditions
72490Sjkh * are met:
82490Sjkh * 1. Redistributions of source code must retain the above copyright
92490Sjkh *    notice, this list of conditions and the following disclaimer.
102490Sjkh * 2. Redistributions in binary form must reproduce the above copyright
112490Sjkh *    notice, this list of conditions and the following disclaimer in the
122490Sjkh *    documentation and/or other materials provided with the distribution.
13203926Suqs *
142490Sjkh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
152490Sjkh * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
162490Sjkh * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
172490Sjkh * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
182490Sjkh * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
192490Sjkh * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
202490Sjkh * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
212490Sjkh * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
222490Sjkh * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
232490Sjkh * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
242490Sjkh */
252490Sjkh#include "test.h"
262490Sjkh__FBSDID("$FreeBSD: head/contrib/libarchive/libarchive/test/test_write_format_tar_empty.c 228763 2011-12-21 11:13:29Z mm $");
272490Sjkh
282490Sjkh/*
292490Sjkh * Check that an "empty" tar archive is correctly created.
30203926Suqs */
312490Sjkh
322490SjkhDEFINE_TEST(test_write_format_tar_empty)
33268637Sgavin{
34268637Sgavin	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