/*-

 * 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_large.c 201247 2009-12-30 05:59:21Z kientzle $");

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((int)sizeof(testdata) == archive_write_data(a, testdata, sizeof(testdata)));

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	assert(NULL != (a = archive_read_new()));

	assertA(0 == archive_read_support_format_all(a));

	assertA(0 == archive_read_support_filter_all(a));

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

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

	assertEqualIntA(a, sizeof(testdatacopy),

	    archive_read_data(a, testdatacopy, sizeof(testdatacopy)));

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	assertEqualMem(testdata, testdatacopy, sizeof(testdata));

	assert(NULL != (a = archive_read_new()));

	assertA(0 == archive_read_support_format_all(a));

	assertA(0 == archive_read_support_filter_all(a));

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

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

#if defined(__BORLANDC__)

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

#else

	tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY, 0755);

#endif

	assert(0 < tmpfilefd);

	assertA(0 == archive_read_data_into_fd(a, tmpfilefd));

	close(tmpfilefd);

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	f = fopen(tmpfilename, "rb");

	assertEqualInt(sizeof(testdatacopy),

	    fread(testdatacopy, 1, sizeof(testdatacopy), f));

	fclose(f);

	assertEqualMem(testdata, testdatacopy, sizeof(testdata));

}