CMake/Utilities/cmlibarchive/libarchive/test/test_read_large.c

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "test.h"
__FBSDID("$FreeBSD: src/lib/libarchive/test/test_read_large.c,v 1.4 2008/09/01 05:38:33 kientzle Exp $");
static unsigned char testdata[10 * 1024 * 1024];
static unsigned char testdatacopy[10 * 1024 * 1024];
static unsigned char buff[11 * 1024 * 1024];
#if defined(_WIN32) && !defined(__CYGWIN__)
#define open _open
#define close _close
#endif
/* Check correct behavior on large reads. */
DEFINE_TEST(test_read_large)
{
unsigned int i;
int tmpfilefd;
char tmpfilename[] = "test-read_large.XXXXXX";
size_t used;
struct archive *a;
struct archive_entry *entry;
FILE *f;
for (i = 0; i < sizeof(testdata); i++)
testdata[i] = (unsigned char)(rand());
assert(NULL != (a = archive_write_new()));
assertA(0 == archive_write_set_format_ustar(a));
assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
assert(NULL != (entry = archive_entry_new()));
archive_entry_set_size(entry, sizeof(testdata));
archive_entry_set_mode(entry, S_IFREG | 0777);
archive_entry_set_pathname(entry, "test");
assertA(0 == archive_write_header(a, entry));
archive_entry_free(entry);
assertA(sizeof(testdata) == archive_write_data(a, testdata, sizeof(testdata)));
assertA(0 == archive_write_finish(a));
assert(NULL != (a = archive_read_new()));
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff, sizeof(buff)));
assertA(0 == archive_read_next_header(a, &entry));
assertA(0 == archive_read_data_into_buffer(a, testdatacopy, sizeof(testdatacopy)));
assertA(0 == archive_read_finish(a));
assert(0 == memcmp(testdata, testdatacopy, sizeof(testdata)));
assert(NULL != (a = archive_read_new()));
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff, sizeof(buff)));
assertA(0 == archive_read_next_header(a, &entry));
// TODO: Provide a Windows-friendly version of this?
assert(0 < (tmpfilefd = open(tmpfilename,
O_WRONLY | O_CREAT | O_BINARY, 0755)));
assertA(0 == archive_read_data_into_fd(a, tmpfilefd));
close(tmpfilefd);
assertA(0 == archive_read_finish(a));
f = fopen(tmpfilename, "rb");
fread(testdatacopy, 1, sizeof(testdatacopy), f);
fclose(f);
assert(0 == memcmp(testdata, testdatacopy, sizeof(testdata)));
}