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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_data_large.c,v 1.4 2008/09/01 05:38:33 kientzle Exp $");
/*
* Test read/write of a 10M block of data in a single operation.
* Uses an in-memory archive with a single 10M entry. Exercises
* archive_read_data() to ensure it can handle large blocks like
* this and also exercises archive_read_data_into_fd() (which
* had a bug relating to this, fixed in Nov 2006).
*/
#if defined(_WIN32) && !defined(__CYGWIN__)
#define open _open
#define close _close
#endif
char buff1[11000000];
char buff2[10000000];
char buff3[10000000];
DEFINE_TEST(test_read_data_large)
{
struct archive_entry *ae;
struct archive *a;
char tmpfilename[] = "largefile";
int tmpfilefd;
FILE *f;
unsigned int i;
size_t used;
/* Create a new archive in memory. */
assert((a = archive_write_new()) != NULL);
assertA(0 == archive_write_set_format_ustar(a));
assertA(0 == archive_write_set_compression_none(a));
assertA(0 == archive_write_open_memory(a, buff1, sizeof(buff1), &used));
/*
* Write a file (with random contents) to it.
*/
assert((ae = archive_entry_new()) != NULL);
archive_entry_copy_pathname(ae, "file");
archive_entry_set_mode(ae, S_IFREG | 0755);
for (i = 0; i < sizeof(buff2); i++)
buff2[i] = (unsigned char)rand();
archive_entry_set_size(ae, sizeof(buff2));
assertA(0 == archive_write_header(a, ae));
archive_entry_free(ae);
assertA(sizeof(buff2) == archive_write_data(a, buff2, sizeof(buff2)));
/* Close out the archive. */
assertA(0 == archive_write_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_write_finish(a);
#else
assertA(0 == archive_write_finish(a));
#endif
/* Check that archive_read_data can handle 10*10^6 at a pop. */
assert((a = archive_read_new()) != NULL);
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
assertA(0 == archive_read_next_header(a, &ae));
failure("Wrote 10MB, but didn't read the same amount");
assertEqualIntA(a, sizeof(buff2),archive_read_data(a, buff3, sizeof(buff3)));
failure("Read expected 10MB, but data read didn't match what was written");
assert(0 == memcmp(buff2, buff3, sizeof(buff3)));
assert(0 == archive_read_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_read_finish(a);
#else
assert(0 == archive_read_finish(a));
#endif
/* Check archive_read_data_into_fd */
assert((a = archive_read_new()) != NULL);
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
assertA(0 == archive_read_next_header(a, &ae));
tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY, 0777);
assert(tmpfilefd != 0);
assertEqualIntA(a, 0, archive_read_data_into_fd(a, tmpfilefd));
assert(0 == archive_read_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_read_finish(a);
#else
assert(0 == archive_read_finish(a));
#endif
close(tmpfilefd);
f = fopen(tmpfilename, "rb");
assert(f != NULL);
assertEqualInt(sizeof(buff3), fread(buff3, 1, sizeof(buff3), f));
fclose(f);
assert(0 == memcmp(buff2, buff3, sizeof(buff3)));
}
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