/*-

 * 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: head/lib/libarchive/test/test_read_data_large.c 201247 2009-12-30 05:59:21Z kientzle $");

/*

 * 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

static char buff1[11000000];

static char buff2[10000000];

static 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_add_filter_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((int)sizeof(buff2) == archive_write_data(a, buff2, sizeof(buff2)));

	/* Close out the archive. */

	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* 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_filter_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");

	assertEqualMem(buff2, buff3, sizeof(buff3));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/* 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_filter_all(a));

	assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));

	assertA(0 == archive_read_next_header(a, &ae);;

#if defined(__BORLANDC__)

	tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY);

#else

	tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY, 0777);

#endif

	assert(tmpfilefd != 0);

	assertEqualIntA(a, 0, archive_read_data_into_fd(a, tmpfilefd));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	close(tmpfilefd);

	f = fopen(tmpfilename, "rb");

	assert(f != NULL);

	assertEqualInt(sizeof(buff3), fread(buff3, 1, sizeof(buff3), f));

	fclose(f);

	assertEqualMem(buff2, buff3, sizeof(buff3));

}