ccan/ccan/tdb2/test/run-11-simple-fetch.c

#include <ccan/failtest/failtest_override.h>
#include <ccan/tdb2/tdb.c>
#include <ccan/tdb2/open.c>
#include <ccan/tdb2/free.c>
#include <ccan/tdb2/lock.c>
#include <ccan/tdb2/io.c>
#include <ccan/tdb2/hash.c>
#include <ccan/tdb2/transaction.c>
#include <ccan/tdb2/check.c>
#include <ccan/tap/tap.h>
#include <ccan/failtest/failtest.h>
#include "logging.h"
#include "failtest_helper.h"

static bool failtest_suppress = false;

/* Don't need to test everything here, just want fetch testing. */
static enum failtest_result
suppress_failure(struct failtest_call *history, unsigned num)
{
	if (failtest_suppress)
		return FAIL_DONT_FAIL;
	return block_repeat_failures(history, num);
}

int main(int argc, char *argv[])
{
	unsigned int i;
	struct tdb_context *tdb;
	int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
			TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT, 
			TDB_NOMMAP|TDB_CONVERT };
	struct tdb_data key = { (unsigned char *)"key", 3 };
	struct tdb_data data = { (unsigned char *)"data", 4 };

	failtest_init(argc, argv);
	failtest_hook = suppress_failure;
	failtest_exit_check = exit_check_log;

	failtest_suppress = true;
	plan_tests(sizeof(flags) / sizeof(flags[0]) * 8 + 1);
	for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
		tdb = tdb_open("run-11-simple-fetch.tdb", flags[i],
			       O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
		ok1(tdb);
		if (tdb) {
			struct tdb_data d = { NULL, 0 }; /* Bogus GCC warning */

			/* fetch should fail. */
			failtest_suppress = false;
			if (!ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_NOEXIST))
				goto fail;
			failtest_suppress = true;
			ok1(tdb_check(tdb, NULL, NULL) == 0);
			/* Insert should succeed. */
			ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
			ok1(tdb_check(tdb, NULL, NULL) == 0);
			/* Fetch should now work. */
			failtest_suppress = false;
			if (!ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS))
				goto fail;
			failtest_suppress = true;
			ok1(tdb_deq(d, data));
			free(d.dptr);
			ok1(tdb_check(tdb, NULL, NULL) == 0);
			tdb_close(tdb);
		}
	}
	ok1(tap_log_messages == 0);
	return exit_status();

fail:
	failtest_suppress = true;
	tdb_close(tdb);
	failtest_exit(exit_status());
}