test_option_lz4.c revision 310569 
1/*-
2 * Copyright (c) 2014 Michihiro NAKAJIMA
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__FBSDID("$FreeBSD: stable/11/contrib/libarchive/tar/test/test_option_lz4.c 310569 2016-12-26 06:16:27Z ngie $");
27
28DEFINE_TEST(test_option_lz4)
29{
30	char *p;
31	int r;
32	size_t s;
33
34	/* Create a file. */
35	assertMakeFile("f", 0644, "a");
36
37	/* Archive it with lz4 compression. */
38	r = systemf("%s -cf - --lz4 f >archive.out 2>archive.err",
39	    testprog);
40	p = slurpfile(&s, "archive.err");
41	p[s] = '\0';
42	if (r != 0) {
43		if (strstr(p, "Unsupported compression") != NULL) {
44			skipping("This version of bsdtar was compiled "
45			    "without lz4 support");
46			goto done;
47		}
48		/* POSIX permits different handling of the spawnp
49		 * system call used to launch the subsidiary
50		 * program: */
51		/* Some systems fail immediately to spawn the new process. */
52		if (strstr(p, "Can't launch") != NULL && !canLz4()) {
53			skipping("This version of bsdtar uses an external lz4 program "
54			    "but no such program is available on this system.");
55			goto done;
56		}
57		/* Some systems successfully spawn the new process,
58		 * but fail to exec a program within that process.
59		 * This results in failure at the first attempt to
60		 * write. */
61		if (strstr(p, "Can't write") != NULL && !canLz4()) {
62			skipping("This version of bsdtar uses an external lz4 program "
63			    "but no such program is available on this system.");
64			goto done;
65		}
66		failure("--lz4 option is broken: %s", p);
67		assertEqualInt(r, 0);
68		goto done;
69	}
70	free(p);
71	/* Check that the archive file has an lz4 signature. */
72	p = slurpfile(&s, "archive.out");
73	assert(s > 2);
74	assertEqualMem(p, "\x04\x22\x4d\x18", 4);
75
76done:
77	free(p);
78}
79