1 files changed, 146 insertions, 0 deletions
diff --git a/lib/dns/tests/rdataset_test.c b/lib/dns/tests/rdataset_test.c
new file mode 100644
index 0000000..ebdd128
--- /dev/null
+++ b/lib/dns/tests/rdataset_test.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#if HAVE_CMOCKA
+
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/util.h>
+
+#include <dns/rdataset.h>
+#include <dns/rdatastruct.h>
+
+#include "dnstest.h"
+
+static int
+_setup(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = dns_test_begin(NULL, false);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	return (0);
+}
+
+static int
+_teardown(void **state) {
+	UNUSED(state);
+
+	dns_test_end();
+
+	return (0);
+}
+
+/* test trimming of rdataset TTLs */
+static void
+trimttl(void **state) {
+	dns_rdataset_t rdataset, sigrdataset;
+	dns_rdata_rrsig_t rrsig;
+	isc_stdtime_t ttltimenow, ttltimeexpire;
+
+	ttltimenow = 10000000;
+	ttltimeexpire = ttltimenow + 800;
+
+	UNUSED(state);
+
+	dns_rdataset_init(&rdataset);
+	dns_rdataset_init(&sigrdataset);
+
+	rdataset.ttl = 900;
+	sigrdataset.ttl = 1000;
+	rrsig.timeexpire = ttltimeexpire;
+	rrsig.originalttl = 1000;
+
+	dns_rdataset_trimttl(&rdataset, &sigrdataset, &rrsig, ttltimenow, true);
+	assert_int_equal(rdataset.ttl, 800);
+	assert_int_equal(sigrdataset.ttl, 800);
+
+	rdataset.ttl = 900;
+	sigrdataset.ttl = 1000;
+	rrsig.timeexpire = ttltimenow - 200;
+	rrsig.originalttl = 1000;
+
+	dns_rdataset_trimttl(&rdataset, &sigrdataset, &rrsig, ttltimenow, true);
+	assert_int_equal(rdataset.ttl, 120);
+	assert_int_equal(sigrdataset.ttl, 120);
+
+	rdataset.ttl = 900;
+	sigrdataset.ttl = 1000;
+	rrsig.timeexpire = ttltimenow - 200;
+	rrsig.originalttl = 1000;
+
+	dns_rdataset_trimttl(&rdataset, &sigrdataset, &rrsig, ttltimenow,
+			     false);
+	assert_int_equal(rdataset.ttl, 0);
+	assert_int_equal(sigrdataset.ttl, 0);
+
+	sigrdataset.ttl = 900;
+	rdataset.ttl = 1000;
+	rrsig.timeexpire = ttltimeexpire;
+	rrsig.originalttl = 1000;
+
+	dns_rdataset_trimttl(&rdataset, &sigrdataset, &rrsig, ttltimenow, true);
+	assert_int_equal(rdataset.ttl, 800);
+	assert_int_equal(sigrdataset.ttl, 800);
+
+	sigrdataset.ttl = 900;
+	rdataset.ttl = 1000;
+	rrsig.timeexpire = ttltimenow - 200;
+	rrsig.originalttl = 1000;
+
+	dns_rdataset_trimttl(&rdataset, &sigrdataset, &rrsig, ttltimenow, true);
+	assert_int_equal(rdataset.ttl, 120);
+	assert_int_equal(sigrdataset.ttl, 120);
+
+	sigrdataset.ttl = 900;
+	rdataset.ttl = 1000;
+	rrsig.timeexpire = ttltimenow - 200;
+	rrsig.originalttl = 1000;
+
+	dns_rdataset_trimttl(&rdataset, &sigrdataset, &rrsig, ttltimenow,
+			     false);
+	assert_int_equal(rdataset.ttl, 0);
+	assert_int_equal(sigrdataset.ttl, 0);
+}
+
+int
+main(void) {
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test_setup_teardown(trimttl, _setup, _teardown),
+	};
+
+	return (cmocka_run_group_tests(tests, NULL, NULL));
+}
+
+#else /* HAVE_CMOCKA */
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("1..0 # Skipped: cmocka not available\n");
+	return (SKIPPED_TEST_EXIT_CODE);
+}
+
+#endif /* if HAVE_CMOCKA */