1 /*-
2  * Copyright (c) 2013 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  * A "usual" empty tar archive contains only zero bytes
29  * and gets handled by the 'empty' format, not by the 'tar'
30  * format.  But there are other kinds of empty tar archives
31  * that are true tar archives and handled as such.
32  */
33 DEFINE_TEST(test_read_format_tar_empty_pax)
34 {
35 	/*
36 	 * An archive that only contains a PAX 'g' record
37 	 * and no real files.  (Git will generate these when
38 	 * archiving an empty project.)
39 	 */
40 	struct archive_entry *ae;
41 	struct archive *a;
42 	const char *refname = "test_read_format_tar_empty_pax.tar.Z";
43 
44 	extract_reference_file(refname);
45 	assert((a = archive_read_new()) != NULL);
46 	assertEqualInt(ARCHIVE_OK, archive_read_support_filter_all(a));
47 	assertEqualInt(ARCHIVE_OK, archive_read_support_format_all(a));
48 	assertEqualIntA(a, ARCHIVE_OK,
49 	    archive_read_open_filename(a, refname, 10240));
50 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
51 	assertEqualInt(archive_entry_is_encrypted(ae), 0);
52 	assertEqualIntA(a, archive_read_has_encrypted_entries(a), ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED);
53 	assertEqualInt(ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
54 	assertEqualInt(ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE, archive_format(a));
55 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
56 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
57 }
58