2 * Copyright (c) 2003-2007 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
26 __FBSDID("$FreeBSD$");
28 DEFINE_TEST(test_empty_write)
31 struct archive_entry *ae;
36 * Exercise a zero-byte write to a gzip-compressed archive.
39 /* 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_gzip(a));
43 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
44 /* Write a file to it. */
45 assert((ae = archive_entry_new()) != NULL);
46 archive_entry_copy_pathname(ae, "file");
47 archive_entry_set_mode(ae, S_IFREG | 0755);
48 archive_entry_set_size(ae, 0);
49 assertA(0 == archive_write_header(a, ae));
50 archive_entry_free(ae);
52 /* THE TEST: write zero bytes to this entry. */
53 /* This used to crash. */
54 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
56 /* Close out the archive. */
57 assertA(0 == archive_write_close(a));
58 #if ARCHIVE_API_VERSION > 1
59 assertA(0 == archive_write_finish(a));
61 archive_write_finish(a);
66 * Again, with bzip2 compression.
69 /* Create a new archive in memory. */
70 assert((a = archive_write_new()) != NULL);
71 assertA(0 == archive_write_set_format_ustar(a));
72 assertA(0 == archive_write_set_compression_bzip2(a));
73 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
74 /* Write a file to it. */
75 assert((ae = archive_entry_new()) != NULL);
76 archive_entry_copy_pathname(ae, "file");
77 archive_entry_set_mode(ae, S_IFREG | 0755);
78 archive_entry_set_size(ae, 0);
79 assertA(0 == archive_write_header(a, ae));
80 archive_entry_free(ae);
82 /* THE TEST: write zero bytes to this entry. */
83 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
85 /* Close out the archive. */
86 assertA(0 == archive_write_close(a));
87 #if ARCHIVE_API_VERSION > 1
88 assertA(0 == archive_write_finish(a));
90 archive_write_finish(a);
95 * For good measure, one more time with no compression.
98 /* Create a new archive in memory. */
99 assert((a = archive_write_new()) != NULL);
100 assertA(0 == archive_write_set_format_ustar(a));
101 assertA(0 == archive_write_set_compression_none(a));
102 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
103 /* Write a file to it. */
104 assert((ae = archive_entry_new()) != NULL);
105 archive_entry_copy_pathname(ae, "file");
106 archive_entry_set_mode(ae, S_IFREG | 0755);
107 archive_entry_set_size(ae, 0);
108 assertA(0 == archive_write_header(a, ae));
109 archive_entry_free(ae);
111 /* THE TEST: write zero bytes to this entry. */
112 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
114 /* Close out the archive. */
115 assertA(0 == archive_write_close(a));
116 #if ARCHIVE_API_VERSION > 1
117 assertA(0 == archive_write_finish(a));
119 archive_write_finish(a);