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;
37 * Exercise a zero-byte write to a gzip-compressed archive.
40 /* Create a new archive in memory. */
41 assert((a = archive_write_new()) != NULL);
42 assertA(0 == archive_write_set_format_ustar(a));
43 r = archive_write_set_compression_gzip(a);
44 if (r == ARCHIVE_FATAL) {
45 skipping("Empty write to gzip-compressed archive");
47 assertEqualIntA(a, ARCHIVE_OK, r);
48 assertEqualIntA(a, ARCHIVE_OK,
49 archive_write_open_memory(a, buff, sizeof(buff), &used));
50 /* Write a file to it. */
51 assert((ae = archive_entry_new()) != NULL);
52 archive_entry_copy_pathname(ae, "file");
53 archive_entry_set_mode(ae, S_IFREG | 0755);
54 archive_entry_set_size(ae, 0);
55 assertA(0 == archive_write_header(a, ae));
56 archive_entry_free(ae);
58 /* THE TEST: write zero bytes to this entry. */
59 /* This used to crash. */
60 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
62 /* Close out the archive. */
63 assertA(0 == archive_write_close(a));
64 assertA(0 == archive_write_finish(a));
68 * Again, with bzip2 compression.
71 /* Create a new archive in memory. */
72 assert((a = archive_write_new()) != NULL);
73 assertA(0 == archive_write_set_format_ustar(a));
74 r = archive_write_set_compression_bzip2(a);
75 if (r == ARCHIVE_FATAL) {
76 skipping("Empty write to bzip2-compressed archive");
78 assertEqualIntA(a, ARCHIVE_OK, r);
79 assertEqualIntA(a, ARCHIVE_OK,
80 archive_write_open_memory(a, buff, sizeof(buff), &used));
81 /* Write a file to it. */
82 assert((ae = archive_entry_new()) != NULL);
83 archive_entry_copy_pathname(ae, "file");
84 archive_entry_set_mode(ae, S_IFREG | 0755);
85 archive_entry_set_size(ae, 0);
86 assertA(0 == archive_write_header(a, ae));
87 archive_entry_free(ae);
89 /* THE TEST: write zero bytes to this entry. */
90 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
92 /* Close out the archive. */
93 assertA(0 == archive_write_close(a));
94 assertA(0 == archive_write_finish(a));
98 * For good measure, one more time with no compression.
101 /* Create a new archive in memory. */
102 assert((a = archive_write_new()) != NULL);
103 assertA(0 == archive_write_set_format_ustar(a));
104 assertA(0 == archive_write_set_compression_none(a));
105 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
106 /* Write a file to it. */
107 assert((ae = archive_entry_new()) != NULL);
108 archive_entry_copy_pathname(ae, "file");
109 archive_entry_set_mode(ae, S_IFREG | 0755);
110 archive_entry_set_size(ae, 0);
111 assertA(0 == archive_write_header(a, ae));
112 archive_entry_free(ae);
114 /* THE TEST: write zero bytes to this entry. */
115 assertEqualIntA(a, 0, archive_write_data(a, "", 0));
117 /* Close out the archive. */
118 assertA(0 == archive_write_close(a));
119 assertA(0 == archive_write_finish(a));