1 /*-
2 * Copyright (c) 2003-2011 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
26 #include "test.h"
27 __FBSDID("$FreeBSD$");
28
29 static void
test_empty_file1(void)30 test_empty_file1(void)
31 {
32 struct archive* a = archive_read_new();
33
34 /* Try opening an empty file with the raw handler. */
35 assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a));
36 assertEqualInt(0, archive_errno(a));
37 assertEqualString(NULL, archive_error_string(a));
38
39 /* Raw handler doesn't support empty files. */
40 assertEqualInt(ARCHIVE_FATAL, archive_read_open_filename(a, "emptyfile", 0));
41 assert(NULL != archive_error_string(a));
42
43 archive_read_free(a);
44 }
45
46 static void
test_empty_file2(void)47 test_empty_file2(void)
48 {
49 struct archive* a = archive_read_new();
50 struct archive_entry* e;
51
52 /* Try opening an empty file with raw and empty handlers. */
53 assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a));
54 assertEqualInt(ARCHIVE_OK, archive_read_support_format_empty(a));
55 assertEqualInt(0, archive_errno(a));
56 assertEqualString(NULL, archive_error_string(a));
57
58 assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "emptyfile", 0));
59 assertEqualInt(0, archive_errno(a));
60 assertEqualString(NULL, archive_error_string(a));
61
62 assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
63 assertEqualInt(0, archive_errno(a));
64 assertEqualString(NULL, archive_error_string(a));
65
66 archive_read_free(a);
67 }
68
69 static void
test_empty_tarfile(void)70 test_empty_tarfile(void)
71 {
72 struct archive* a = archive_read_new();
73 struct archive_entry* e;
74
75 /* Try opening an empty file with raw and empty handlers. */
76 assertEqualInt(ARCHIVE_OK, archive_read_support_format_tar(a));
77 assertEqualInt(0, archive_errno(a));
78 assertEqualString(NULL, archive_error_string(a));
79
80 assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "empty.tar", 0));
81 assertEqualInt(0, archive_errno(a));
82 assertEqualString(NULL, archive_error_string(a));
83
84 assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
85 assertEqualInt(0, archive_errno(a));
86 assertEqualString(NULL, archive_error_string(a));
87
88 archive_read_free(a);
89 }
90
91 /* 512 zero bytes. */
92 static char nulls[512];
93
DEFINE_TEST(test_archive_read_next_header_empty)94 DEFINE_TEST(test_archive_read_next_header_empty)
95 {
96 FILE *f;
97
98 /* Create an empty file. */
99 f = fopen("emptyfile", "wb");
100 fclose(f);
101
102 /* Create a file with 512 zero bytes. */
103 f = fopen("empty.tar", "wb");
104 assertEqualInt(512, fwrite(nulls, 1, 512, f));
105 fclose(f);
106
107 test_empty_file1();
108 test_empty_file2();
109 test_empty_tarfile();
110
111 }
112