xref: /freebsd/contrib/libarchive/libarchive/test/test_write_format_zip_empty.c (revision b9128a37faafede823eb456aa65a11ac69997284)
1 /*-
2  * Copyright (c) 2008 Anselm Strauss
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 /*
27  * Development supported by Google Summer of Code 2008.
28  */
29 
30 #include "test.h"
31 
32 DEFINE_TEST(test_write_format_zip_empty)
33 {
34 	struct archive *a;
35 	struct archive_entry *ae;
36 	char buff[256];
37 	size_t used;
38 
39 	/* Zip format: Create a new archive in memory. */
40 	assert((a = archive_write_new()) != NULL);
41 	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a));
42 	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
43 	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_bytes_per_block(a, 1));
44 	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_bytes_in_last_block(a, 1));
45 	assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, sizeof(buff), &used));
46 
47 	/* Close out the archive without writing anything. */
48 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
49 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
50 
51 	/* Verify the correct format for an empty Zip archive. */
52 	assertEqualInt(used, 22);
53 	assertEqualMem(buff,
54 	    "PK\005\006\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
55 	    22);
56 
57 	/* Verify that we read this kind of empty archive correctly. */
58 	/* Try with the standard memory reader, and with the test
59 	   memory reader with and without seek support. */
60 	assert((a = archive_read_new()) != NULL);
61 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_zip(a));
62 	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, 22));
63 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
64 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
65 
66 	assert((a = archive_read_new()) != NULL);
67 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_zip(a));
68 	assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, buff, 22, 1));
69 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
70 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
71 
72 	assert((a = archive_read_new()) != NULL);
73 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_zip(a));
74 	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, buff, 22, 22));
75 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
76 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
77 }
78