/*-

 * Copyright (c) 2003-2007 Tim Kientzle

 * Copyright (c) 2012 Michihiro NAKAJIMA

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

static char buff[1000000];

static char buff2[64];

DEFINE_TEST(test_write_filter_program)

{

	struct archive_entry *ae;

	struct archive *a;

	size_t used;

	int blocksize = 1024;

	int r;

	if (!canGzip()) {

		skipping("Cannot run 'gzip'");

		return;

	}

	/* NOTE: Setting blocksize=1024 will cause gunzip failure because

	 * it add extra bytes that gunzip ignores with its warning and

	 * exit code 1. So we should set blocksize=1 in order not to

	 * yield the extra bytes when using gunzip. */

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

	r = archive_read_support_filter_gzip(a);

	if (r != ARCHIVE_OK && canGzip())

		blocksize = 1;

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/* Create a new archive in memory. */

	/* Write it through an external "gzip" program. */

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

	assertA(0 == archive_write_set_format_ustar(a));

	r = archive_write_add_filter_program(a, "gzip -6");

	if (r == ARCHIVE_FATAL) {

		skipping("Write compression via external "

		    "program unsupported on this platform");

		archive_write_free(a);

		return;

	}

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

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

	assertA(blocksize == archive_write_get_bytes_in_last_block(a));

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

	assertA(blocksize == archive_write_get_bytes_in_last_block(a));

	/*

	 * Write a file to it.

	 */

	assert((ae = archive_entry_new()) != NULL);

	archive_entry_set_mtime(ae, 1, 10);

	archive_entry_copy_pathname(ae, "file");

	archive_entry_set_mode(ae, S_IFREG | 0755);

	archive_entry_set_size(ae, 8);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	assertA(8 == archive_write_data(a, "12345678", 9));

	/* Close out the archive. */

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

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/*

	 * Now, read the data back through the built-in gzip support.

	 */

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

	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));

	r = archive_read_support_filter_gzip(a);

	/* The compression_gzip() handler will fall back to gunzip

	 * automatically, but if we know gunzip isn't available, then

	 * skip the rest. */

	if (r != ARCHIVE_OK && !canGzip()) {

		skipping("No libz and no gunzip program, "

		    "unable to verify gzip compression");

		assertEqualInt(ARCHIVE_OK, archive_read_free(a));

		return;

	}

	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));

	if (!assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae))) {

		archive_read_free(a);

		return;

	}

	assertEqualInt(1, archive_entry_mtime(ae));

	assertEqualInt(0, archive_entry_atime(ae));

	assertEqualInt(0, archive_entry_ctime(ae));

	assertEqualString("file", archive_entry_pathname(ae));

	assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae));

	assertEqualInt(8, archive_entry_size(ae));

	assertEqualIntA(a, 8, archive_read_data(a, buff2, 10));

	assertEqualMem(buff2, "12345678", 8);

	/* Verify the end of the archive. */

	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae);;

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

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

}