test_read_data_large.c [plain text]
#include "test.h"
__FBSDID("$FreeBSD: src/lib/libarchive/test/test_read_data_large.c,v 1.4 2008/09/01 05:38:33 kientzle Exp $");
char buff1[11000000];
char buff2[10000000];
char buff3[10000000];
DEFINE_TEST(test_read_data_large)
{
struct archive_entry *ae;
struct archive *a;
char tmpfilename[] = "largefile";
int tmpfilefd;
unsigned int i;
size_t used;
assert((a = archive_write_new()) != NULL);
assertA(0 == archive_write_set_format_ustar(a));
assertA(0 == archive_write_set_compression_none(a));
assertA(0 == archive_write_open_memory(a, buff1, sizeof(buff1), &used));
assert((ae = archive_entry_new()) != NULL);
archive_entry_copy_pathname(ae, "file");
archive_entry_set_mode(ae, S_IFREG | 0755);
for (i = 0; i < sizeof(buff2); i++)
buff2[i] = (unsigned char)rand();
archive_entry_set_size(ae, sizeof(buff2));
assertA(0 == archive_write_header(a, ae));
archive_entry_free(ae);
assertA(sizeof(buff2) == archive_write_data(a, buff2, sizeof(buff2)));
assertA(0 == archive_write_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_write_finish(a);
#else
assertA(0 == archive_write_finish(a));
#endif
assert((a = archive_read_new()) != NULL);
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
assertA(0 == archive_read_next_header(a, &ae));
failure("Wrote 10MB, but didn't read the same amount");
assertEqualIntA(a, sizeof(buff2),archive_read_data(a, buff3, sizeof(buff3)));
failure("Read expected 10MB, but data read didn't match what was written");
assert(0 == memcmp(buff2, buff3, sizeof(buff3)));
assert(0 == archive_read_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_read_finish(a);
#else
assert(0 == archive_read_finish(a));
#endif
assert((a = archive_read_new()) != NULL);
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
assertA(0 == archive_read_next_header(a, &ae));
tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT, 0777);
assert(tmpfilefd != 0);
assertEqualIntA(a, 0, archive_read_data_into_fd(a, tmpfilefd));
assert(0 == archive_read_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_read_finish(a);
#else
assert(0 == archive_read_finish(a));
#endif
close(tmpfilefd);
tmpfilefd = open(tmpfilename, O_RDONLY);
assert(tmpfilefd != 0);
assertEqualIntA(NULL, sizeof(buff3), read(tmpfilefd, buff3, sizeof(buff3)));
close(tmpfilefd);
assert(0 == memcmp(buff2, buff3, sizeof(buff3)));
unlink(tmpfilename);
}