/*-

 * 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_write_format_tar_empty.c 189308 2009-03-03 17:02:51Z kientzle $");

/*

 * Check that an "empty" tar archive is correctly created.

 */

DEFINE_TEST(test_write_format_tar_empty)

{

	struct archive *a;

	char buff[2048];

	size_t used;

	unsigned int i;

	/* USTAR format: 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_set_bytes_per_block(a, 512));

	assertA(0 == archive_write_set_bytes_in_last_block(a, 512));

	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));

	/* Close out the archive. */

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

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	assert(used == 1024);

	for (i = 0; i < used; i++) {

		failure("Empty tar archive should be all nulls.");

		assert(buff[i] == 0);

	}

	/* PAX format: Create a new archive in memory. */

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

	assertA(0 == archive_write_set_format_pax(a));

	assertA(0 == archive_write_add_filter_none(a));

	assertA(0 == archive_write_set_bytes_per_block(a, 512));

	assertA(0 == archive_write_set_bytes_in_last_block(a, 512));

	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));

	/* Close out the archive. */

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

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	assertEqualInt((int)used, 1024);

	for (i = 0; i < used; i++) {

		failure("Empty tar archive should be all nulls.");

		assert(buff[i] == 0);

	}

}