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-rw-r--r--tests/dns/update_test.c309
1 files changed, 309 insertions, 0 deletions
diff --git a/tests/dns/update_test.c b/tests/dns/update_test.c
new file mode 100644
index 0000000..afeaa5c
--- /dev/null
+++ b/tests/dns/update_test.c
@@ -0,0 +1,309 @@
+/*
+ * 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.
+ */
+
+#include <inttypes.h>
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/serial.h>
+#include <isc/stdtime.h>
+#include <isc/util.h>
+
+#include <dns/update.h>
+#define KEEP_BEFORE
+
+/*
+ * Fix the linking order problem for overridden isc_stdtime_get() by making
+ * everything local. This also allows static functions from update.c to be
+ * tested.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
+#undef CHECK
+#include "update.c"
+#pragma GCC diagnostic pop
+
+#undef CHECK
+#include <tests/dns.h>
+
+static int
+setup_test(void **state) {
+ UNUSED(state);
+
+ setenv("TZ", "", 1);
+
+ return (0);
+}
+
+static uint32_t mystdtime;
+
+static void
+set_mystdtime(int year, int month, int day) {
+ struct tm tm;
+
+ memset(&tm, 0, sizeof(tm));
+ tm.tm_year = year - 1900;
+ tm.tm_mon = month - 1;
+ tm.tm_mday = day;
+ mystdtime = timegm(&tm);
+}
+
+void
+isc_stdtime_get(isc_stdtime_t *now) {
+ *now = mystdtime;
+}
+
+/* simple increment by 1 */
+ISC_RUN_TEST_IMPL(increment) {
+ uint32_t old = 50;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ serial = dns_update_soaserial(old, dns_updatemethod_increment, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 51);
+}
+
+/* increment past zero, 0xfffffffff -> 1 */
+ISC_RUN_TEST_IMPL(increment_past_zero) {
+ uint32_t old = 0xffffffffu;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ serial = dns_update_soaserial(old, dns_updatemethod_increment, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 1u);
+}
+
+/* past to unixtime */
+ISC_RUN_TEST_IMPL(past_to_unix) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ set_mystdtime(2011, 6, 22);
+ old = mystdtime - 1;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, mystdtime);
+}
+
+/* now to unixtime */
+ISC_RUN_TEST_IMPL(now_to_unix) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ set_mystdtime(2011, 6, 22);
+ old = mystdtime;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, old + 1);
+}
+
+/* future to unixtime */
+ISC_RUN_TEST_IMPL(future_to_unix) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ set_mystdtime(2011, 6, 22);
+ old = mystdtime + 1;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, old + 1);
+}
+
+/* undefined plus 1 to unixtime */
+ISC_RUN_TEST_IMPL(undefined_plus1_to_unix) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ set_mystdtime(2011, 6, 22);
+ old = mystdtime ^ 0x80000000u;
+ old += 1;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, mystdtime);
+}
+
+/* undefined minus 1 to unixtime */
+ISC_RUN_TEST_IMPL(undefined_minus1_to_unix) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ set_mystdtime(2011, 6, 22);
+ old = mystdtime ^ 0x80000000u;
+ old -= 1;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, old + 1);
+}
+
+/* undefined to unixtime */
+ISC_RUN_TEST_IMPL(undefined_to_unix) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ set_mystdtime(2011, 6, 22);
+ old = mystdtime ^ 0x80000000u;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, old + 1);
+}
+
+/* handle unixtime being zero */
+ISC_RUN_TEST_IMPL(unixtime_zero) {
+ uint32_t old;
+ uint32_t serial;
+
+ UNUSED(state);
+
+ mystdtime = 0;
+ old = 0xfffffff0;
+
+ serial = dns_update_soaserial(old, dns_updatemethod_unixtime, NULL);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, old + 1);
+}
+
+/* past to date */
+ISC_RUN_TEST_IMPL(past_to_date) {
+ uint32_t old, serial;
+ dns_updatemethod_t used = dns_updatemethod_none;
+
+ UNUSED(state);
+
+ set_mystdtime(2014, 3, 31);
+ old = dns_update_soaserial(0, dns_updatemethod_date, NULL);
+ set_mystdtime(2014, 4, 1);
+
+ serial = dns_update_soaserial(old, dns_updatemethod_date, &used);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 2014040100);
+ assert_int_equal(dns_updatemethod_date, used);
+}
+
+/* now to date */
+ISC_RUN_TEST_IMPL(now_to_date) {
+ uint32_t old;
+ uint32_t serial;
+ dns_updatemethod_t used = dns_updatemethod_none;
+
+ UNUSED(state);
+
+ set_mystdtime(2014, 4, 1);
+ old = dns_update_soaserial(0, dns_updatemethod_date, NULL);
+
+ serial = dns_update_soaserial(old, dns_updatemethod_date, &used);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 2014040101);
+ assert_int_equal(dns_updatemethod_date, used);
+
+ old = 2014040198;
+ serial = dns_update_soaserial(old, dns_updatemethod_date, &used);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 2014040199);
+ assert_int_equal(dns_updatemethod_date, used);
+
+ /*
+ * Stealing from "tomorrow".
+ */
+ old = 2014040199;
+ serial = dns_update_soaserial(old, dns_updatemethod_date, &used);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 2014040200);
+ assert_int_equal(dns_updatemethod_increment, used);
+}
+
+/* future to date */
+ISC_RUN_TEST_IMPL(future_to_date) {
+ uint32_t old;
+ uint32_t serial;
+ dns_updatemethod_t used = dns_updatemethod_none;
+
+ UNUSED(state);
+
+ set_mystdtime(2014, 4, 1);
+ old = dns_update_soaserial(0, dns_updatemethod_date, NULL);
+ set_mystdtime(2014, 3, 31);
+
+ serial = dns_update_soaserial(old, dns_updatemethod_date, &used);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 2014040101);
+ assert_int_equal(dns_updatemethod_increment, used);
+
+ old = serial;
+ serial = dns_update_soaserial(old, dns_updatemethod_date, &used);
+ assert_true(isc_serial_lt(old, serial));
+ assert_int_not_equal(serial, 0);
+ assert_int_equal(serial, 2014040102);
+ assert_int_equal(dns_updatemethod_increment, used);
+}
+
+ISC_TEST_LIST_START
+ISC_TEST_ENTRY_CUSTOM(increment, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(increment_past_zero, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(past_to_unix, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(now_to_unix, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(future_to_unix, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(undefined_to_unix, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(undefined_plus1_to_unix, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(undefined_minus1_to_unix, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(unixtime_zero, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(past_to_date, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(now_to_date, setup_test, NULL)
+ISC_TEST_ENTRY_CUSTOM(future_to_date, setup_test, NULL)
+ISC_TEST_LIST_END
+
+ISC_TEST_MAIN