xref: /freebsd-11-stable/contrib/libarchive/libarchive/test/test_write_read_format_zip.c

/*-
 * Copyright (c) 2003-2008 Tim Kientzle
 * Copyright (c) 2008 Anselm Strauss
 * 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.
 */

/*
 * Development supported by Google Summer of Code 2008.
 */

#include "test.h"
__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/test/test_write_read_format_zip.c 370535 2021-09-10 08:34:36Z git2svn $");

/*
 * These tests verify that our reader can read files
 * created by our writer.
 */

/*
 * Write a variety of different file types into the archive.
 */
static void
write_contents(struct archive *a)
{
	struct archive_entry *ae;

	/*
	 * First write things with the "default" compression.
	 * The library will choose "deflate" for most things if it's
	 * available, else "store".
	 */

	/*
	 * 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, AE_IFREG | 0755);
	archive_entry_set_size(ae, 8);
	assertEqualInt(0, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(8, archive_write_data(a, "12345678", 9));
	assertEqualInt(0, archive_write_data(a, "1", 1));

	/*
	 * Write another file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 10);
	archive_entry_copy_pathname(ae, "file2");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, 4);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(4, archive_write_data(a, "1234", 4));

	/*
	 * Write a file with an unknown size.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 2, 15);
	archive_entry_copy_pathname(ae, "file3");
	archive_entry_set_mode(ae, AE_IFREG | 0621);
	archive_entry_unset_size(ae);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(5, archive_write_data(a, "mnopq", 5));

	/*
	 * Write symbolic link.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 10);
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(10, archive_entry_mtime_nsec(ae));
	archive_entry_copy_pathname(ae, "symlink");
	assertEqualString("symlink", archive_entry_pathname(ae));
	archive_entry_copy_symlink(ae, "file1");
	assertEqualString("file1", archive_entry_symlink(ae));
	archive_entry_set_mode(ae, AE_IFLNK | 0755);
	assertEqualInt((AE_IFLNK | 0755), archive_entry_mode(ae));
	archive_entry_set_size(ae, 4);

	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);

	/*
	 * Write a directory to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 11, 110);
	archive_entry_copy_pathname(ae, "dir");
	archive_entry_set_mode(ae, S_IFDIR | 0755);
	archive_entry_set_size(ae, 512);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	failure("size should be zero so that applications know not to write");
	assertEqualInt(0, archive_entry_size(ae));
	archive_entry_free(ae);
	assertEqualIntA(a, 0, archive_write_data(a, "12345678", 9));

	/*
	 * Force "deflate" compression if the platform supports it.
	 */
#ifdef HAVE_ZLIB_H
	assertEqualIntA(a, ARCHIVE_OK, archive_write_zip_set_compression_deflate(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_deflate");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, 8);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(8, archive_write_data(a, "12345678", 9));
	assertEqualInt(0, archive_write_data(a, "1", 1));

	/*
	 * Write another file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 10);
	archive_entry_copy_pathname(ae, "file2_deflate");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, 4);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(4, archive_write_data(a, "1234", 4));

	/*
	 * Write a file with an unknown size.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 2, 15);
	archive_entry_copy_pathname(ae, "file3_deflate");
	archive_entry_set_mode(ae, AE_IFREG | 0621);
	archive_entry_unset_size(ae);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(5, archive_write_data(a, "ghijk", 5));

	/*
	 * Write symbolic like file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 10);
	archive_entry_copy_pathname(ae, "symlink_deflate");
	archive_entry_copy_symlink(ae, "file1");
	archive_entry_set_mode(ae, AE_IFLNK | 0755);
	archive_entry_set_size(ae, 4);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);

	/*
	 * Write a directory to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 11, 110);
	archive_entry_copy_pathname(ae, "dir_deflate");
	archive_entry_set_mode(ae, S_IFDIR | 0755);
	archive_entry_set_size(ae, 512);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	failure("size should be zero so that applications know not to write");
	assertEqualInt(0, archive_entry_size(ae));
	archive_entry_free(ae);
	assertEqualIntA(a, 0, archive_write_data(a, "12345678", 9));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_finish_entry(a));
#endif

	/*
	 * Now write a bunch of entries with "store" compression.
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_write_zip_set_compression_store(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_stored");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, 8);
	assertEqualInt(0, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(8, archive_write_data(a, "12345678", 9));
	assertEqualInt(0, archive_write_data(a, "1", 1));

	/*
	 * Write another file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 10);
	archive_entry_copy_pathname(ae, "file2_stored");
	archive_entry_set_mode(ae, AE_IFREG | 0755);
	archive_entry_set_size(ae, 4);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(4, archive_write_data(a, "ACEG", 4));

	/*
	 * Write a file with an unknown size.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 2, 15);
	archive_entry_copy_pathname(ae, "file3_stored");
	archive_entry_set_mode(ae, AE_IFREG | 0621);
	archive_entry_unset_size(ae);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualInt(5, archive_write_data(a, "ijklm", 5));

	/*
	 * Write symbolic like file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 10);
	archive_entry_copy_pathname(ae, "symlink_stored");
	archive_entry_copy_symlink(ae, "file1");
	archive_entry_set_mode(ae, AE_IFLNK | 0755);
	archive_entry_set_size(ae, 4);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);

	/*
	 * Write a directory to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 11, 110);
	archive_entry_copy_pathname(ae, "dir_stored");
	archive_entry_set_mode(ae, S_IFDIR | 0755);
	archive_entry_set_size(ae, 512);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	failure("size should be zero so that applications know not to write");
	assertEqualInt(0, archive_entry_size(ae));
	archive_entry_free(ae);
	assertEqualIntA(a, 0, archive_write_data(a, "12345678", 9));


	/* Close out the archive. */
	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
}

/*
 * Read back all of the entries and verify their values.
 */
static void
verify_contents(struct archive *a, int seeking, int improved_streaming)
{
	char filedata[64];
	struct archive_entry *ae;

	/*
	 * Default compression options:
	 */

	/* Read and verify first file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	/* Zip doesn't store high-resolution mtime. */
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assertEqualInt(8, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 8,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "12345678", 8);


	/* Read the second file back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file2", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assertEqualInt(4, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 4,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "1234", 4);

	/* Read the third file back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(2, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file3", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0621, archive_entry_mode(ae));
	}
	if (seeking) {
		assertEqualInt(5, archive_entry_size(ae));
	} else {
		assertEqualInt(0, archive_entry_size_is_set(ae));
	}
	assertEqualIntA(a, 5,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "mnopq", 5);

	/* Read symlink. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("symlink", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFLNK | 0755, archive_entry_mode(ae));
		assertEqualInt(0, archive_entry_size(ae));
		assertEqualString("file1", archive_entry_symlink(ae));
	} else {
		/* Streaming cannot read file type, so
		 * symlink body shows as regular file contents. */
		assertEqualInt(AE_IFREG | 0664, archive_entry_mode(ae));
		assertEqualInt(5, archive_entry_size(ae));
		assert(archive_entry_size_is_set(ae));
	}

	/* Read the dir entry back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(11, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("dir/", archive_entry_pathname(ae));
	if (seeking || improved_streaming)
		assertEqualInt(AE_IFDIR | 0755, archive_entry_mode(ae));
	assertEqualInt(0, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 0, archive_read_data(a, filedata, 10));

#ifdef HAVE_ZLIB_H
	/*
	 * Deflate compression option:
	 */

	/* Read and verify first file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	/* Zip doesn't store high-resolution mtime. */
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file_deflate", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assertEqualInt(8, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 8,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "12345678", 8);


	/* Read the second file back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file2_deflate", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assertEqualInt(4, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 4,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "1234", 4);

	/* Read the third file back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(2, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file3_deflate", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0621, archive_entry_mode(ae));
	}
	if (seeking) {
		assertEqualInt(5, archive_entry_size(ae));
	} else {
		assertEqualInt(0, archive_entry_size_is_set(ae));
	}
	assertEqualIntA(a, 5,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "ghijk", 4);

	/* Read symlink. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("symlink_deflate", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFLNK | 0755, archive_entry_mode(ae));
		assertEqualInt(0, archive_entry_size(ae));
		assertEqualString("file1", archive_entry_symlink(ae));
	} else {
		assertEqualInt(AE_IFREG | 0664, archive_entry_mode(ae));
		assertEqualInt(5, archive_entry_size(ae));
		assertEqualIntA(a, 5, archive_read_data(a, filedata, 10));
		assertEqualMem(filedata, "file1", 5);
	}

	/* Read the dir entry back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(11, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("dir_deflate/", archive_entry_pathname(ae));
	if (seeking) {
		assertEqualInt(AE_IFDIR | 0755, archive_entry_mode(ae));
	}
	assertEqualInt(0, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 0, archive_read_data(a, filedata, 10));
#endif

	/*
	 * Store compression option:
	 */

	/* Read and verify first file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	/* Zip doesn't store high-resolution mtime. */
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file_stored", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assert(archive_entry_size_is_set(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualInt(8, archive_entry_size(ae));
	assertEqualIntA(a, 8,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "12345678", 8);


	/* Read the second file back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file2_stored", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assertEqualInt(4, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualIntA(a, 4,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "ACEG", 4);

	/* Read the third file back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(2, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("file3_stored", archive_entry_pathname(ae));
	if (seeking || improved_streaming)
		assertEqualInt(AE_IFREG | 0621, archive_entry_mode(ae));
	if (seeking) {
		assertEqualInt(5, archive_entry_size(ae));
	} else {
		assertEqualInt(0, archive_entry_size_is_set(ae));
	}
	assertEqualIntA(a, 5,
	    archive_read_data(a, filedata, sizeof(filedata)));
	assertEqualMem(filedata, "ijklm", 4);

	/* Read symlink. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("symlink_stored", archive_entry_pathname(ae));
	if (seeking || improved_streaming) {
		assertEqualInt(AE_IFLNK | 0755, archive_entry_mode(ae));
		assertEqualInt(0, archive_entry_size(ae));
		assertEqualString("file1", archive_entry_symlink(ae));
	} else {
		assertEqualInt(AE_IFREG | 0664, archive_entry_mode(ae));
		assertEqualInt(5, archive_entry_size(ae));
		assertEqualIntA(a, 5, archive_read_data(a, filedata, 10));
		assertEqualMem(filedata, "file1", 5);
	}

	/* Read the dir entry back. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(11, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualString("dir_stored/", archive_entry_pathname(ae));
	if (seeking || improved_streaming)
		assertEqualInt(AE_IFDIR | 0755, archive_entry_mode(ae));
	assertEqualInt(0, archive_entry_size(ae));
	assertEqualIntA(a, 0, archive_read_data(a, filedata, 10));

	/* Verify the end of the archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}

/*
 * Do a write-then-read roundtrip.
 */
DEFINE_TEST(test_write_read_format_zip)
{
	struct archive *a;
	size_t used;
	size_t buffsize = 1000000;
	char *buff;

	buff = malloc(buffsize);

	/* Create a new archive in memory. */
	assert((a = archive_write_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_write_open_memory(a, buff, buffsize, &used));
	write_contents(a);
	dumpfile("constructed.zip", buff, used);

	/*
	 * Now, read the data back.
	 */
	/* With the standard memory reader. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));
	verify_contents(a, 1, 0);

	/* With the test memory reader -- streaming mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, buff, used, 7));
	/* Streaming reader doesn't see mode information from Central Directory. */
	verify_contents(a, 0, 0);

	/* With the test memory reader -- seeking mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, buff, used, 7));
	verify_contents(a, 1, 0);

	free(buff);
}

/*
 * Do a write-then-read roundtrip with 'el' extension enabled.
 */
DEFINE_TEST(test_write_read_format_zip_improved_streaming)
{
	struct archive *a;
	size_t used;
	size_t buffsize = 1000000;
	char *buff;

	buff = malloc(buffsize);

	/* Create a new archive in memory. */
	assert((a = archive_write_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_options(a, "zip:experimental"));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_write_open_memory(a, buff, buffsize, &used));
	write_contents(a);
	dumpfile("constructed.zip", buff, used);

	/*
	 * Now, read the data back.
	 */
	/* With the standard memory reader. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));
	verify_contents(a, 1, 1);

	/* With the test memory reader -- streaming mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, buff, used, 7));
	/* Streaming reader doesn't see mode information from Central Directory. */
	verify_contents(a, 0, 1);

	/* With the test memory reader -- seeking mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, buff, used, 7));
	verify_contents(a, 1, 1);

	free(buff);
}

/*
 * Do a write-then-read roundtrip with Zip64 enabled.
 */
DEFINE_TEST(test_write_read_format_zip64)
{
	struct archive *a;
	size_t used;
	size_t buffsize = 1000000;
	char *buff;

	buff = malloc(buffsize);

	/* Create a new archive in memory. */
	assert((a = archive_write_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_options(a, "zip:zip64"));
#if ZIP_IMPROVED_STREAMING
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_options(a, "zip:experimental"));
#endif
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_write_open_memory(a, buff, buffsize, &used));
	write_contents(a);
	dumpfile("constructed64.zip", buff, used);

	/*
	 * Now, read the data back.
	 */
	/* With the standard memory reader. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));
	verify_contents(a, 1, 0);

	/* With the test memory reader -- streaming mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, buff, used, 7));
	/* Streaming reader doesn't see mode information from Central Directory. */
	verify_contents(a, 0, 0);

	/* With the test memory reader -- seeking mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, buff, used, 7));
	verify_contents(a, 1, 0);

	free(buff);
}


/*
 * Do a write-then-read roundtrip with Zip64 enabled and 'el' extension enabled.
 */
DEFINE_TEST(test_write_read_format_zip64_improved_streaming)
{
	struct archive *a;
	size_t used;
	size_t buffsize = 1000000;
	char *buff;

	buff = malloc(buffsize);

	/* Create a new archive in memory. */
	assert((a = archive_write_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_options(a, "zip:zip64"));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_options(a, "zip:experimental"));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_write_open_memory(a, buff, buffsize, &used));
	write_contents(a);
	dumpfile("constructed64.zip", buff, used);

	/*
	 * Now, read the data back.
	 */
	/* With the standard memory reader. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));
	verify_contents(a, 1, 1);

	/* With the test memory reader -- streaming mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, buff, used, 7));
	/* Streaming reader doesn't see mode information from Central Directory. */
	verify_contents(a, 0, 1);

	/* With the test memory reader -- seeking mode. */
	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));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, buff, used, 7));
	verify_contents(a, 1, 1);

	free(buff);
}