xref: /freebsd/contrib/libarchive/libarchive/test/test_read_data_large.c (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
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 __FBSDID("$FreeBSD$");
27 
28 /*
29  * Test read/write of a 10M block of data in a single operation.
30  * Uses an in-memory archive with a single 10M entry.  Exercises
31  * archive_read_data() to ensure it can handle large blocks like
32  * this and also exercises archive_read_data_into_fd() (which
33  * had a bug relating to this, fixed in Nov 2006).
34  */
35 
36 #if defined(_WIN32) && !defined(__CYGWIN__)
37 #define open _open
38 #define close _close
39 #endif
40 
41 char buff1[11000000];
42 char buff2[10000000];
43 char buff3[10000000];
44 
45 DEFINE_TEST(test_read_data_large)
46 {
47 	struct archive_entry *ae;
48 	struct archive *a;
49 	char tmpfilename[] = "largefile";
50 	int tmpfilefd;
51 	FILE *f;
52 	unsigned int i;
53 	size_t used;
54 
55 	/* Create a new archive in memory. */
56 	assert((a = archive_write_new()) != NULL);
57 	assertA(0 == archive_write_set_format_ustar(a));
58 	assertA(0 == archive_write_add_filter_none(a));
59 	assertA(0 == archive_write_open_memory(a, buff1, sizeof(buff1), &used));
60 
61 	/*
62 	 * Write a file (with random contents) to it.
63 	 */
64 	assert((ae = archive_entry_new()) != NULL);
65 	archive_entry_copy_pathname(ae, "file");
66 	archive_entry_set_mode(ae, S_IFREG | 0755);
67 	for (i = 0; i < sizeof(buff2); i++)
68 		buff2[i] = (unsigned char)rand();
69 	archive_entry_set_size(ae, sizeof(buff2));
70 	assertA(0 == archive_write_header(a, ae));
71 	archive_entry_free(ae);
72 	assertA((int)sizeof(buff2) == archive_write_data(a, buff2, sizeof(buff2)));
73 
74 	/* Close out the archive. */
75 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
76 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
77 
78 	/* Check that archive_read_data can handle 10*10^6 at a pop. */
79 	assert((a = archive_read_new()) != NULL);
80 	assertA(0 == archive_read_support_format_all(a));
81 	assertA(0 == archive_read_support_filter_all(a));
82 	assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
83 	assertA(0 == archive_read_next_header(a, &ae));
84 	failure("Wrote 10MB, but didn't read the same amount");
85 	assertEqualIntA(a, sizeof(buff2),archive_read_data(a, buff3, sizeof(buff3)));
86 	failure("Read expected 10MB, but data read didn't match what was written");
87 	assertEqualMem(buff2, buff3, sizeof(buff3));
88 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
89 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
90 
91 	/* Check archive_read_data_into_fd */
92 	assert((a = archive_read_new()) != NULL);
93 	assertA(0 == archive_read_support_format_all(a));
94 	assertA(0 == archive_read_support_filter_all(a));
95 	assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
96 	assertA(0 == archive_read_next_header(a, &ae));
97 #if defined(__BORLANDC__)
98 	tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY);
99 #else
100 	tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY, 0777);
101 #endif
102 	assert(tmpfilefd != 0);
103 	assertEqualIntA(a, 0, archive_read_data_into_fd(a, tmpfilefd));
104 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
105 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
106 	close(tmpfilefd);
107 
108 	f = fopen(tmpfilename, "rb");
109 	assert(f != NULL);
110 	assertEqualInt(sizeof(buff3), fread(buff3, 1, sizeof(buff3), f));
111 	fclose(f);
112 	assertEqualMem(buff2, buff3, sizeof(buff3));
113 }
114