cmake/Utilities/cmlibarchive/libarchive/test/test_write_compress_program.c

/*-
 * 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: src/lib/libarchive/test/test_write_compress_program.c,v 1.3 2008/09/01 05:38:33 kientzle Exp $");

char buff[1000000];
char buff2[64];

DEFINE_TEST(test_write_compress_program)
{
#if ARCHIVE_VERSION_NUMBER < 1009000
    skipping("archive_write_set_compress_program()");
#else
    struct archive_entry *ae;
    struct archive *a;
    size_t used;
    int blocksize = 1024;
    int r;

    if (!canGzip()) {
        skipping("Cannot run 'gzip'");
        return;
    }

    /* 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_set_compression_program(a, "gzip");
    if (r == ARCHIVE_FATAL) {
        skipping("Write compression via external "
            "program unsupported on this platform");
        archive_write_finish(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. */
    assertA(0 == archive_write_close(a));
    assertA(0 == archive_write_finish(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_compression_all(a));
    r = archive_read_support_compression_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 && !canGunzip()) {
        skipping("No libz and no gunzip program, "
            "unable to verify gzip compression");
        assertEqualInt(ARCHIVE_OK, archive_read_finish(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_finish(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_finish(a));
#endif
}