mariadb/newbrt/tests/cachetable-reserve-filenum.c
Yoni Fogel b3f5306b41 [t:2249] Merge #2249 to main.
'load' entry and rollback/recovery,
single filename for brtloader and rest of brt
test-fsync

git-svn-id: file:///svn/toku/tokudb@18617 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-16 23:59:03 -04:00

81 lines
2.6 KiB
C

/* -*- mode: C; c-basic-offset: 4 -*- */
#include "includes.h"
#include "test.h"
// Mostly copied from cachetable-fd-test.c
//
// Added logic to exercise filenum reservation
//
// NOTE: Attempting to release a reserved filenum will cause a crash.
static void
cachetable_reserve_filenum_test (void) {
const int test_limit = 1;
int r;
CACHETABLE ct;
r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
char fname1[] = __FILE__ "test1.dat";
unlink(fname1);
CACHEFILE cf;
r = toku_cachetable_openf(&cf, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
int fd1 = toku_cachefile_get_and_pin_fd(cf); assert(fd1 >= 0);
toku_cachefile_unpin_fd(cf);
// test set to good fd succeeds
char fname2[] = __FILE__ "test2.data";
unlink(fname2);
int fd2 = open(fname2, O_RDWR | O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(fd2 >= 0 && fd1 != fd2);
r = toku_cachefile_set_fd(cf, fd2, fname2); assert(r == 0);
assert(toku_cachefile_get_and_pin_fd(cf) == fd2);
toku_cachefile_unpin_fd(cf);
// test set to bogus fd fails
int fd3 = open(DEV_NULL_FILE, O_RDWR); assert(fd3 >= 0);
r = close(fd3); assert(r == 0);
r = toku_cachefile_set_fd(cf, fd3, DEV_NULL_FILE); assert(r != 0);
assert(toku_cachefile_get_and_pin_fd(cf) == fd2);
toku_cachefile_unpin_fd(cf);
// test the filenum functions
FILENUM fn = toku_cachefile_filenum(cf);
CACHEFILE newcf = 0;
r = toku_cachefile_of_filenum(ct, fn, &newcf);
assert(r == 0 && cf == newcf);
// test a bogus filenum
fn.fileid++;
r = toku_cachefile_of_filenum(ct, fn, &newcf);
assert(r == ENOENT);
// now exercise filenum reservation
FILENUM fn2 = {0};
r = toku_cachetable_reserve_filenum(ct, &fn, FALSE, fn2);
CKERR(r);
toku_cachetable_unreserve_filenum (ct, fn);
r = toku_cachetable_reserve_filenum(ct, &fn2, TRUE, fn);
CKERR(r);
assert(fn2.fileid == fn.fileid);
r = toku_cachetable_reserve_filenum(ct, &fn2, TRUE, fn);
CKERR2(r,EEXIST);
toku_cachetable_unreserve_filenum (ct, fn);
r = toku_cachetable_reserve_filenum(ct, &fn2, TRUE, fn);
CKERR(r);
assert(fn2.fileid == fn.fileid);
toku_cachetable_unreserve_filenum (ct, fn);
r = toku_cachefile_close(&cf, 0, FALSE, ZERO_LSN); assert(r == 0 && cf == 0);
r = toku_cachetable_close(&ct); assert(r == 0 && ct == 0);
}
int
test_main(int argc, const char *argv[]) {
default_parse_args(argc, argv);
toku_os_initialize_settings(verbose);
cachetable_reserve_filenum_test();
return 0;
}