test_archive_read_next_header_empty.c revision 368708 
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
29static void
30test_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
46static void
47test_empty_file2_check(struct archive* a)
48{
49	struct archive_entry* e;
50	assertEqualInt(0, archive_errno(a));
51	assertEqualString(NULL, archive_error_string(a));
52
53	assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "emptyfile", 0));
54	assertEqualInt(0, archive_errno(a));
55	assertEqualString(NULL, archive_error_string(a));
56
57	assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
58	assertEqualInt(0, archive_errno(a));
59	assertEqualString(NULL, archive_error_string(a));
60
61	archive_read_free(a);
62}
63
64static void
65test_empty_file2(void)
66{
67	struct archive* a = archive_read_new();
68
69	/* Try opening an empty file with raw and empty handlers. */
70	assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a));
71	assertEqualInt(ARCHIVE_OK, archive_read_support_format_empty(a));
72	test_empty_file2_check(a);
73
74	a = archive_read_new();
75	assertEqualInt(ARCHIVE_OK, archive_read_support_format_by_code(a, ARCHIVE_FORMAT_EMPTY));
76	test_empty_file2_check(a);
77
78	a = archive_read_new();
79	assertEqualInt(ARCHIVE_OK, archive_read_set_format(a, ARCHIVE_FORMAT_EMPTY));
80	test_empty_file2_check(a);
81}
82
83static void
84test_empty_tarfile(void)
85{
86	struct archive* a = archive_read_new();
87	struct archive_entry* e;
88
89	/* Try opening an empty file with raw and empty handlers. */
90	assertEqualInt(ARCHIVE_OK, archive_read_support_format_tar(a));
91	assertEqualInt(0, archive_errno(a));
92	assertEqualString(NULL, archive_error_string(a));
93
94	assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "empty.tar", 0));
95	assertEqualInt(0, archive_errno(a));
96	assertEqualString(NULL, archive_error_string(a));
97
98	assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
99	assertEqualInt(0, archive_errno(a));
100	assertEqualString(NULL, archive_error_string(a));
101
102	archive_read_free(a);
103}
104
105/* 512 zero bytes. */
106static char nulls[512];
107
108DEFINE_TEST(test_archive_read_next_header_empty)
109{
110	FILE *f;
111
112	/* Create an empty file. */
113	f = fopen("emptyfile", "wb");
114	fclose(f);
115
116	/* Create a file with 512 zero bytes. */
117	f = fopen("empty.tar", "wb");
118	assertEqualInt(512, fwrite(nulls, 1, 512, f));
119	fclose(f);
120
121	test_empty_file1();
122	test_empty_file2();
123	test_empty_tarfile();
124
125}
126