From bd8128271ad96c97ddaf5c86915a981ddbff86c6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 18:49:38 +0200 Subject: Adding upstream version 1.4.10. Signed-off-by: Daniel Baumann --- test/run-transaction-expand.c | 125 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 test/run-transaction-expand.c (limited to 'test/run-transaction-expand.c') diff --git a/test/run-transaction-expand.c b/test/run-transaction-expand.c new file mode 100644 index 0000000..d36b894 --- /dev/null +++ b/test/run-transaction-expand.c @@ -0,0 +1,125 @@ +#include "../common/tdb_private.h" + +/* Speed up the tests, but do the actual sync tests. */ +static unsigned int sync_counts = 0; +static inline int fake_fsync(int fd) +{ + sync_counts++; + return 0; +} +#define fsync fake_fsync + +#ifdef MS_SYNC +static inline int fake_msync(void *addr, size_t length, int flags) +{ + sync_counts++; + return 0; +} +#define msync fake_msync +#endif + +#ifdef HAVE_FDATASYNC +static inline int fake_fdatasync(int fd) +{ + sync_counts++; + return 0; +} +#define fdatasync fake_fdatasync +#endif + +#include "../common/io.c" +#include "../common/tdb.c" +#include "../common/lock.c" +#include "../common/freelist.c" +#include "../common/traverse.c" +#include "../common/transaction.c" +#include "../common/error.c" +#include "../common/open.c" +#include "../common/check.c" +#include "../common/hash.c" +#include "../common/mutex.c" +#include "tap-interface.h" +#include +#include "logging.h" + +static void write_record(struct tdb_context *tdb, size_t extra_len, + TDB_DATA *data) +{ + TDB_DATA key; + key.dsize = strlen("hi"); + key.dptr = discard_const_p(uint8_t, "hi"); + + data->dsize += extra_len; + tdb_transaction_start(tdb); + tdb_store(tdb, key, *data, TDB_REPLACE); + tdb_transaction_commit(tdb); +} + +int main(int argc, char *argv[]) +{ + struct tdb_context *tdb; + size_t i; + TDB_DATA data; + struct tdb_record rec; + tdb_off_t off; + + /* Do *not* suppress sync for this test; we do it ourselves. */ + unsetenv("TDB_NO_FSYNC"); + + plan_tests(5); + tdb = tdb_open_ex("run-transaction-expand.tdb", + 1024, TDB_CLEAR_IF_FIRST, + O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL); + ok1(tdb); + + data.dsize = 0; + data.dptr = calloc(1000, getpagesize()); + if (data.dptr == NULL) { + diag("Unable to allocate memory for data.dptr"); + tdb_close(tdb); + exit(1); + } + + /* Simulate a slowly growing record. */ + for (i = 0; i < 1000; i++) + write_record(tdb, getpagesize(), &data); + + tdb_ofs_read(tdb, TDB_RECOVERY_HEAD, &off); + tdb_read(tdb, off, &rec, sizeof(rec), DOCONV()); + diag("TDB size = %zu, recovery = %llu-%llu", + (size_t)tdb->map_size, (unsigned long long)off, (unsigned long long)(off + sizeof(rec) + rec.rec_len)); + + /* We should only be about 5 times larger than largest record. */ + ok1(tdb->map_size < 6 * i * getpagesize()); + tdb_close(tdb); + + tdb = tdb_open_ex("run-transaction-expand.tdb", + 1024, TDB_CLEAR_IF_FIRST, + O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL); + ok1(tdb); + + data.dsize = 0; + + /* Simulate a slowly growing record, repacking to keep + * recovery area at end. */ + for (i = 0; i < 1000; i++) { + write_record(tdb, getpagesize(), &data); + if (i % 10 == 0) + tdb_repack(tdb); + } + + tdb_ofs_read(tdb, TDB_RECOVERY_HEAD, &off); + tdb_read(tdb, off, &rec, sizeof(rec), DOCONV()); + diag("TDB size = %zu, recovery = %llu-%llu", + (size_t)tdb->map_size, (unsigned long long)off, (unsigned long long)(off + sizeof(rec) + rec.rec_len)); + + /* We should only be about 4 times larger than largest record. */ + ok1(tdb->map_size < 5 * i * getpagesize()); + + /* We should have synchronized multiple times. */ + ok1(sync_counts); + tdb_close(tdb); + free(data.dptr); + + return exit_status(); +} -- cgit v1.2.3