xref: /freebsd/contrib/libarchive/libarchive/test/test_write_format_shar_empty.c (revision b9128a37faafede823eb456aa65a11ac69997284)
1 /*-
2  * Copyright (c) 2003-2007 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  * Check that an "empty" shar archive is correctly created as an empty file.
29  */
30 
31 DEFINE_TEST(test_write_format_shar_empty)
32 {
33 	struct archive *a;
34 	char buff[2048];
35 	size_t used;
36 
37 	/* Create a new archive in memory. */
38 	assert((a = archive_write_new()) != NULL);
39 	assertA(0 == archive_write_set_format_shar(a));
40 	assertA(0 == archive_write_add_filter_none(a));
41 	/* 1-byte block size ensures we see only the required bytes. */
42 	/* We're not testing the padding here. */
43 	assertA(0 == archive_write_set_bytes_per_block(a, 1));
44 	assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
45 	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
46 
47 	/* Close out the archive. */
48 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
49 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
50 
51 	failure("Empty shar archive should be exactly 0 bytes, was %zu.", used);
52 	assert(used == 0);
53 }
54