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bind9/lib/dns/tests/update_test.c
Ondřej Surý 2bf7921c7e Update the copyright information in all files in the repository 
This commit converts the license handling to adhere to the REUSE
specification.  It specifically:

1. Adds used licnses to LICENSES/ directory

2. Add "isc" template for adding the copyright boilerplate

3. Changes all source files to include copyright and SPDX license
   header, this includes all the C sources, documentation, zone files,
   configuration files.  There are notes in the doc/dev/copyrights file
   on how to add correct headers to the new files.

4. Handle the rest that can't be modified via .reuse/dep5 file.  The
   binary (or otherwise unmodifiable) files could have license places
   next to them in <foo>.license file, but this would lead to cluttered
   repository and most of the files handled in the .reuse/dep5 file are
   system test files.

(cherry picked from commit 58bd26b6cf)
2022-01-11 12:22:09 +01:00

381 lines
9.1 KiB
C
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/*
* 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 <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>
#include "dnstest.h"
/*
* 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.
*/
#include "../update.c"
static int
_setup(void **state) {
isc_result_t result;
UNUSED(state);
result = dns_test_begin(NULL, false);
assert_int_equal(result, ISC_R_SUCCESS);
setenv("TZ", "", 1);
return (0);
}
static int
_teardown(void **state) {
UNUSED(state);
dns_test_end();
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);
}
/*
* Override isc_stdtime_get() from lib/isc/[unix/win32]/stdtime.c
* with our own for testing purposes.
*/
void
isc_stdtime_get(isc_stdtime_t *now) {
*now = mystdtime;
}
/*
* Because update_test.o requires dns_update_*() symbols, the linker is able
* to resolve them using libdns.a(update.o). That object has other symbol
* dependencies (dst_key_*()), so it pulls libdns.a(dst_api.o).
* That object file requires the isc_stdtime_tostring() symbol.
*
* Define a local version here so that we don't have to depend on
* libisc.a(stdtime.o). If isc_stdtime_tostring() would be left undefined,
* the linker has to get the required object file, and that will result in a
* multiple definition error because the isc_stdtime_get() symbol exported
* there is already in the exported list.
*/
void
isc_stdtime_tostring(isc_stdtime_t t, char *out, size_t outlen) {
UNUSED(t);
UNUSED(out);
UNUSED(outlen);
}
/* simple increment by 1 */
static void
increment_test(void **state) {
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 */
static void
increment_past_zero_test(void **state) {
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 */
static void
past_to_unix_test(void **state) {
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 */
static void
now_to_unix_test(void **state) {
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 */
static void
future_to_unix_test(void **state) {
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 */
static void
undefined_plus1_to_unix_test(void **state) {
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 */
static void
undefined_minus1_to_unix_test(void **state) {
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 */
static void
undefined_to_unix_test(void **state) {
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 */
static void
unixtime_zero_test(void **state) {
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 */
static void
past_to_date_test(void **state) {
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 */
static void
now_to_date_test(void **state) {
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 */
static void
future_to_date_test(void **state) {
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);
}
int
main(void) {
const struct CMUnitTest tests[] = {
cmocka_unit_test_setup_teardown(increment_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(increment_past_zero_test,
_setup, _teardown),
cmocka_unit_test_setup_teardown(past_to_unix_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(now_to_unix_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(future_to_unix_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(undefined_to_unix_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(undefined_plus1_to_unix_test,
_setup, _teardown),
cmocka_unit_test_setup_teardown(undefined_minus1_to_unix_test,
_setup, _teardown),
cmocka_unit_test_setup_teardown(unixtime_zero_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(past_to_date_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(now_to_date_test, _setup,
_teardown),
cmocka_unit_test_setup_teardown(future_to_date_test, _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 */
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