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/*-
* Copyright (c) 2003-2011 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"
static void
test_empty_file1(void)
{
struct archive* a = archive_read_new();
/* Try opening an empty file with the raw handler. */
assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
/* Raw handler doesn't support empty files. */
assertEqualInt(ARCHIVE_FATAL, archive_read_open_filename(a, "emptyfile", 0));
assert(NULL != archive_error_string(a));
archive_read_free(a);
}
static void
test_empty_file2_check(struct archive* a)
{
struct archive_entry* e;
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "emptyfile", 0));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
archive_read_free(a);
}
static void
test_empty_file2(void)
{
struct archive* a = archive_read_new();
/* Try opening an empty file with raw and empty handlers. */
assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a));
assertEqualInt(ARCHIVE_OK, archive_read_support_format_empty(a));
test_empty_file2_check(a);
a = archive_read_new();
assertEqualInt(ARCHIVE_OK, archive_read_support_format_by_code(a, ARCHIVE_FORMAT_EMPTY));
test_empty_file2_check(a);
a = archive_read_new();
assertEqualInt(ARCHIVE_OK, archive_read_set_format(a, ARCHIVE_FORMAT_EMPTY));
test_empty_file2_check(a);
}
static void
test_empty_tarfile(void)
{
struct archive* a = archive_read_new();
struct archive_entry* e;
/* Try opening an empty file with raw and empty handlers. */
assertEqualInt(ARCHIVE_OK, archive_read_support_format_tar(a));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "empty.tar", 0));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
archive_read_free(a);
}
/* 512 zero bytes. */
static char nulls[512];
DEFINE_TEST(test_archive_read_next_header_empty)
{
FILE *f;
/* Create an empty file. */
f = fopen("emptyfile", "wb");
fclose(f);
/* Create a file with 512 zero bytes. */
f = fopen("empty.tar", "wb");
assertEqualInt(512, fwrite(nulls, 1, 512, f));
fclose(f);
test_empty_file1();
test_empty_file2();
test_empty_tarfile();
}
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