mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-03 21:18:59 +00:00
7376ba1329
Add a test to exercise this feature. This should fix --sparse/-S support in tar. Thanks to: Daichi GOTO MFC after: 1 week
279 lines
8.5 KiB
C
279 lines
8.5 KiB
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("$FreeBSD$");
|
|
|
|
/*
|
|
* Write a file using archive_write_data call, read the file
|
|
* back and verify the contents. The data written includes large
|
|
* blocks of nulls, so it should exercise the sparsification logic
|
|
* if ARCHIVE_EXTRACT_SPARSE is enabled.
|
|
*/
|
|
static void
|
|
verify_write_data(struct archive *a, int sparse)
|
|
{
|
|
static const char data[]="abcdefghijklmnopqrstuvwxyz";
|
|
struct stat st;
|
|
struct archive_entry *ae;
|
|
size_t buff_size = 64 * 1024;
|
|
char *buff, *p;
|
|
const char *msg = sparse ? "sparse" : "non-sparse";
|
|
int fd;
|
|
|
|
buff = malloc(buff_size);
|
|
assert(buff != NULL);
|
|
|
|
ae = archive_entry_new();
|
|
assert(ae != NULL);
|
|
archive_entry_set_size(ae, 8 * buff_size);
|
|
archive_entry_set_pathname(ae, "test_write_data");
|
|
archive_entry_set_mode(ae, AE_IFREG | 0755);
|
|
assertEqualIntA(a, 0, archive_write_header(a, ae));
|
|
|
|
/* Use archive_write_data() to write three relatively sparse blocks. */
|
|
|
|
/* First has non-null data at beginning. */
|
|
memset(buff, 0, buff_size);
|
|
memcpy(buff, data, sizeof(data));
|
|
failure("%s", msg);
|
|
assertEqualInt(buff_size, archive_write_data(a, buff, buff_size));
|
|
|
|
/* Second has non-null data in the middle. */
|
|
memset(buff, 0, buff_size);
|
|
memcpy(buff + buff_size / 2 - 3, data, sizeof(data));
|
|
failure("%s", msg);
|
|
assertEqualInt(buff_size, archive_write_data(a, buff, buff_size));
|
|
|
|
/* Third has non-null data at the end. */
|
|
memset(buff, 0, buff_size);
|
|
memcpy(buff + buff_size - sizeof(data), data, sizeof(data));
|
|
failure("%s", msg);
|
|
assertEqualInt(buff_size, archive_write_data(a, buff, buff_size));
|
|
|
|
failure("%s", msg);
|
|
assertEqualIntA(a, 0, archive_write_finish_entry(a));
|
|
|
|
/* Test the entry on disk. */
|
|
assert(0 == stat(archive_entry_pathname(ae), &st));
|
|
assertEqualInt(st.st_size, 8 * buff_size);
|
|
fd = open(archive_entry_pathname(ae), O_RDONLY);
|
|
if (!assert(fd >= 0))
|
|
return;
|
|
|
|
/* Check first block. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
failure("%s", msg);
|
|
assertEqualMem(buff, data, sizeof(data));
|
|
for (p = buff + sizeof(data); p < buff + buff_size; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check second block. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
for (p = buff; p < buff + buff_size; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (p == buff + buff_size / 2 - 3) {
|
|
assertEqualMem(p, data, sizeof(data));
|
|
p += sizeof(data);
|
|
} else if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check third block. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
for (p = buff; p < buff + buff_size - sizeof(data); ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
failure("%s", msg);
|
|
assertEqualMem(buff + buff_size - sizeof(data), data, sizeof(data));
|
|
|
|
/* XXX more XXX */
|
|
|
|
assertEqualInt(0, close(fd));
|
|
free(buff);
|
|
}
|
|
|
|
/*
|
|
* As above, but using the archive_write_data_block() call.
|
|
*/
|
|
static void
|
|
verify_write_data_block(struct archive *a, int sparse)
|
|
{
|
|
static const char data[]="abcdefghijklmnopqrstuvwxyz";
|
|
struct stat st;
|
|
struct archive_entry *ae;
|
|
size_t buff_size = 64 * 1024;
|
|
char *buff, *p;
|
|
const char *msg = sparse ? "sparse" : "non-sparse";
|
|
int fd;
|
|
|
|
buff = malloc(buff_size);
|
|
assert(buff != NULL);
|
|
|
|
ae = archive_entry_new();
|
|
assert(ae != NULL);
|
|
archive_entry_set_size(ae, 8 * buff_size);
|
|
archive_entry_set_pathname(ae, "test_write_data_block");
|
|
archive_entry_set_mode(ae, AE_IFREG | 0755);
|
|
assertEqualIntA(a, 0, archive_write_header(a, ae));
|
|
|
|
/* Use archive_write_data_block() to write three
|
|
relatively sparse blocks. */
|
|
|
|
/* First has non-null data at beginning. */
|
|
memset(buff, 0, buff_size);
|
|
memcpy(buff, data, sizeof(data));
|
|
failure("%s", msg);
|
|
assertEqualInt(ARCHIVE_OK,
|
|
archive_write_data_block(a, buff, buff_size, 100));
|
|
|
|
/* Second has non-null data in the middle. */
|
|
memset(buff, 0, buff_size);
|
|
memcpy(buff + buff_size / 2 - 3, data, sizeof(data));
|
|
failure("%s", msg);
|
|
assertEqualInt(ARCHIVE_OK,
|
|
archive_write_data_block(a, buff, buff_size, buff_size + 200));
|
|
|
|
/* Third has non-null data at the end. */
|
|
memset(buff, 0, buff_size);
|
|
memcpy(buff + buff_size - sizeof(data), data, sizeof(data));
|
|
failure("%s", msg);
|
|
assertEqualInt(ARCHIVE_OK,
|
|
archive_write_data_block(a, buff, buff_size, buff_size * 2 + 300));
|
|
|
|
failure("%s", msg);
|
|
assertEqualIntA(a, 0, archive_write_finish_entry(a));
|
|
|
|
/* Test the entry on disk. */
|
|
assert(0 == stat(archive_entry_pathname(ae), &st));
|
|
assertEqualInt(st.st_size, 8 * buff_size);
|
|
fd = open(archive_entry_pathname(ae), O_RDONLY);
|
|
if (!assert(fd >= 0))
|
|
return;
|
|
|
|
/* Check 100-byte gap at beginning */
|
|
assertEqualInt(100, read(fd, buff, 100));
|
|
failure("%s", msg);
|
|
for (p = buff; p < buff + 100; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check first block. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
failure("%s", msg);
|
|
assertEqualMem(buff, data, sizeof(data));
|
|
for (p = buff + sizeof(data); p < buff + buff_size; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check 100-byte gap */
|
|
assertEqualInt(100, read(fd, buff, 100));
|
|
failure("%s", msg);
|
|
for (p = buff; p < buff + 100; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check second block. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
for (p = buff; p < buff + buff_size; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (p == buff + buff_size / 2 - 3) {
|
|
assertEqualMem(p, data, sizeof(data));
|
|
p += sizeof(data);
|
|
} else if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check 100-byte gap */
|
|
assertEqualInt(100, read(fd, buff, 100));
|
|
failure("%s", msg);
|
|
for (p = buff; p < buff + 100; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
/* Check third block. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
for (p = buff; p < buff + buff_size - sizeof(data); ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
failure("%s", msg);
|
|
assertEqualMem(buff + buff_size - sizeof(data), data, sizeof(data));
|
|
|
|
/* Check another block size beyond last we wrote. */
|
|
assertEqualInt(buff_size, read(fd, buff, buff_size));
|
|
failure("%s", msg);
|
|
for (p = buff; p < buff + buff_size; ++p) {
|
|
failure("offset: %d, %s", (int)(p - buff), msg);
|
|
if (!assertEqualInt(0, *p))
|
|
break;
|
|
}
|
|
|
|
|
|
/* XXX more XXX */
|
|
|
|
assertEqualInt(0, close(fd));
|
|
free(buff);
|
|
}
|
|
|
|
DEFINE_TEST(test_write_disk_sparse)
|
|
{
|
|
struct archive *ad;
|
|
|
|
|
|
/*
|
|
* The return values, etc, of the write data functions
|
|
* shouldn't change regardless of whether we've requested
|
|
* sparsification. (The performance and pattern of actual
|
|
* write calls to the disk should vary, of course, but the
|
|
* client program shouldn't see any difference.)
|
|
*/
|
|
assert((ad = archive_write_disk_new()) != NULL);
|
|
archive_write_disk_set_options(ad, 0);
|
|
verify_write_data(ad, 0);
|
|
verify_write_data_block(ad, 0);
|
|
assertEqualInt(0, archive_write_finish(ad));
|
|
|
|
assert((ad = archive_write_disk_new()) != NULL);
|
|
archive_write_disk_set_options(ad, ARCHIVE_EXTRACT_SPARSE);
|
|
verify_write_data(ad, 1);
|
|
verify_write_data_block(ad, 1);
|
|
assertEqualInt(0, archive_write_finish(ad));
|
|
|
|
}
|