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 
27 /*
28  * Check that an "empty" tar archive is correctly created.
29  */
30 
31 DEFINE_TEST(test_write_format_tar_empty)
32 {
33 	struct archive *a;
34 	char buff[2048];
35 	size_t used;
36 	unsigned int i;
37 
38 	/* USTAR format: Create a new archive in memory. */
39 	assert((a = archive_write_new()) != NULL);
40 	assertA(0 == archive_write_set_format_ustar(a));
41 	assertA(0 == archive_write_add_filter_none(a));
42 	assertA(0 == archive_write_set_bytes_per_block(a, 512));
43 	assertA(0 == archive_write_set_bytes_in_last_block(a, 512));
44 	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
45 
46 	/* Close out the archive. */
47 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
48 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
49 
50 	assert(used == 1024);
51 	for (i = 0; i < used; i++) {
52 		failure("Empty tar archive should be all nulls.");
53 		assert(buff[i] == 0);
54 	}
55 
56 	/* PAX format: Create a new archive in memory. */
57 	assert((a = archive_write_new()) != NULL);
58 	assertA(0 == archive_write_set_format_pax(a));
59 	assertA(0 == archive_write_add_filter_none(a));
60 	assertA(0 == archive_write_set_bytes_per_block(a, 512));
61 	assertA(0 == archive_write_set_bytes_in_last_block(a, 512));
62 	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
63 
64 	/* Close out the archive. */
65 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
66 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
67 
68 	assertEqualInt((int)used, 1024);
69 	for (i = 0; i < used; i++) {
70 		failure("Empty tar archive should be all nulls.");
71 		assert(buff[i] == 0);
72 	}
73 }
74