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-rw-r--r--src/test/test-time-util.c557
1 files changed, 557 insertions, 0 deletions
diff --git a/src/test/test-time-util.c b/src/test/test-time-util.c
new file mode 100644
index 0000000..cc391e8
--- /dev/null
+++ b/src/test/test-time-util.c
@@ -0,0 +1,557 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "random-util.h"
+#include "serialize.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
+#include "time-util.h"
+
+static void test_parse_sec(void) {
+ usec_t u;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(parse_sec("5s", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+ assert_se(parse_sec("5s500ms", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
+ assert_se(parse_sec(" 5s 500ms ", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
+ assert_se(parse_sec(" 5.5s ", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
+ assert_se(parse_sec(" 5.5s 0.5ms ", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC + 500);
+ assert_se(parse_sec(" .22s ", &u) >= 0);
+ assert_se(u == 220 * USEC_PER_MSEC);
+ assert_se(parse_sec(" .50y ", &u) >= 0);
+ assert_se(u == USEC_PER_YEAR / 2);
+ assert_se(parse_sec("2.5", &u) >= 0);
+ assert_se(u == 2500 * USEC_PER_MSEC);
+ assert_se(parse_sec(".7", &u) >= 0);
+ assert_se(u == 700 * USEC_PER_MSEC);
+ assert_se(parse_sec("23us", &u) >= 0);
+ assert_se(u == 23);
+ assert_se(parse_sec("23µs", &u) >= 0);
+ assert_se(u == 23);
+ assert_se(parse_sec("infinity", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+ assert_se(parse_sec(" infinity ", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+ assert_se(parse_sec("+3.1s", &u) >= 0);
+ assert_se(u == 3100 * USEC_PER_MSEC);
+ assert_se(parse_sec("3.1s.2", &u) >= 0);
+ assert_se(u == 3300 * USEC_PER_MSEC);
+ assert_se(parse_sec("3.1 .2", &u) >= 0);
+ assert_se(u == 3300 * USEC_PER_MSEC);
+ assert_se(parse_sec("3.1 sec .2 sec", &u) >= 0);
+ assert_se(u == 3300 * USEC_PER_MSEC);
+ assert_se(parse_sec("3.1 sec 1.2 sec", &u) >= 0);
+ assert_se(u == 4300 * USEC_PER_MSEC);
+
+ assert_se(parse_sec(" xyz ", &u) < 0);
+ assert_se(parse_sec("", &u) < 0);
+ assert_se(parse_sec(" . ", &u) < 0);
+ assert_se(parse_sec(" 5. ", &u) < 0);
+ assert_se(parse_sec(".s ", &u) < 0);
+ assert_se(parse_sec("-5s ", &u) < 0);
+ assert_se(parse_sec("-0.3s ", &u) < 0);
+ assert_se(parse_sec("-0.0s ", &u) < 0);
+ assert_se(parse_sec("-0.-0s ", &u) < 0);
+ assert_se(parse_sec("0.-0s ", &u) < 0);
+ assert_se(parse_sec("3.-0s ", &u) < 0);
+ assert_se(parse_sec(" infinity .7", &u) < 0);
+ assert_se(parse_sec(".3 infinity", &u) < 0);
+ assert_se(parse_sec("3.+1s", &u) < 0);
+ assert_se(parse_sec("3. 1s", &u) < 0);
+ assert_se(parse_sec("3.s", &u) < 0);
+ assert_se(parse_sec("12.34.56", &u) < 0);
+ assert_se(parse_sec("12..34", &u) < 0);
+ assert_se(parse_sec("..1234", &u) < 0);
+ assert_se(parse_sec("1234..", &u) < 0);
+}
+
+static void test_parse_sec_fix_0(void) {
+ usec_t u;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(parse_sec_fix_0("5s", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+ assert_se(parse_sec_fix_0("0s", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+ assert_se(parse_sec_fix_0("0", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+ assert_se(parse_sec_fix_0(" 0", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+}
+
+static void test_parse_sec_def_infinity(void) {
+ usec_t u;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(parse_sec_def_infinity("5s", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+ assert_se(parse_sec_def_infinity("", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+ assert_se(parse_sec_def_infinity(" ", &u) >= 0);
+ assert_se(u == USEC_INFINITY);
+ assert_se(parse_sec_def_infinity("0s", &u) >= 0);
+ assert_se(u == 0);
+ assert_se(parse_sec_def_infinity("0", &u) >= 0);
+ assert_se(u == 0);
+ assert_se(parse_sec_def_infinity(" 0", &u) >= 0);
+ assert_se(u == 0);
+ assert_se(parse_sec_def_infinity("-5s", &u) < 0);
+}
+
+static void test_parse_time(void) {
+ usec_t u;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(parse_time("5", &u, 1) >= 0);
+ assert_se(u == 5);
+
+ assert_se(parse_time("5", &u, USEC_PER_MSEC) >= 0);
+ assert_se(u == 5 * USEC_PER_MSEC);
+
+ assert_se(parse_time("5", &u, USEC_PER_SEC) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+
+ assert_se(parse_time("5s", &u, 1) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+
+ assert_se(parse_time("5s", &u, USEC_PER_SEC) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+
+ assert_se(parse_time("5s", &u, USEC_PER_MSEC) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+
+ assert_se(parse_time("11111111111111y", &u, 1) == -ERANGE);
+ assert_se(parse_time("1.1111111111111y", &u, 1) >= 0);
+}
+
+static void test_parse_nsec(void) {
+ nsec_t u;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(parse_nsec("5s", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC);
+ assert_se(parse_nsec("5s500ms", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" 5s 500ms ", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" 5.5s ", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" 5.5s 0.5ms ", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC + 500 * NSEC_PER_USEC);
+ assert_se(parse_nsec(" .22s ", &u) >= 0);
+ assert_se(u == 220 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" .50y ", &u) >= 0);
+ assert_se(u == NSEC_PER_YEAR / 2);
+ assert_se(parse_nsec("2.5", &u) >= 0);
+ assert_se(u == 2);
+ assert_se(parse_nsec(".7", &u) >= 0);
+ assert_se(u == 0);
+ assert_se(parse_nsec("infinity", &u) >= 0);
+ assert_se(u == NSEC_INFINITY);
+ assert_se(parse_nsec(" infinity ", &u) >= 0);
+ assert_se(u == NSEC_INFINITY);
+ assert_se(parse_nsec("+3.1s", &u) >= 0);
+ assert_se(u == 3100 * NSEC_PER_MSEC);
+ assert_se(parse_nsec("3.1s.2", &u) >= 0);
+ assert_se(u == 3100 * NSEC_PER_MSEC);
+ assert_se(parse_nsec("3.1 .2s", &u) >= 0);
+ assert_se(u == 200 * NSEC_PER_MSEC + 3);
+ assert_se(parse_nsec("3.1 sec .2 sec", &u) >= 0);
+ assert_se(u == 3300 * NSEC_PER_MSEC);
+ assert_se(parse_nsec("3.1 sec 1.2 sec", &u) >= 0);
+ assert_se(u == 4300 * NSEC_PER_MSEC);
+
+ assert_se(parse_nsec(" xyz ", &u) < 0);
+ assert_se(parse_nsec("", &u) < 0);
+ assert_se(parse_nsec(" . ", &u) < 0);
+ assert_se(parse_nsec(" 5. ", &u) < 0);
+ assert_se(parse_nsec(".s ", &u) < 0);
+ assert_se(parse_nsec(" infinity .7", &u) < 0);
+ assert_se(parse_nsec(".3 infinity", &u) < 0);
+ assert_se(parse_nsec("-5s ", &u) < 0);
+ assert_se(parse_nsec("-0.3s ", &u) < 0);
+ assert_se(parse_nsec("-0.0s ", &u) < 0);
+ assert_se(parse_nsec("-0.-0s ", &u) < 0);
+ assert_se(parse_nsec("0.-0s ", &u) < 0);
+ assert_se(parse_nsec("3.-0s ", &u) < 0);
+ assert_se(parse_nsec(" infinity .7", &u) < 0);
+ assert_se(parse_nsec(".3 infinity", &u) < 0);
+ assert_se(parse_nsec("3.+1s", &u) < 0);
+ assert_se(parse_nsec("3. 1s", &u) < 0);
+ assert_se(parse_nsec("3.s", &u) < 0);
+ assert_se(parse_nsec("12.34.56", &u) < 0);
+ assert_se(parse_nsec("12..34", &u) < 0);
+ assert_se(parse_nsec("..1234", &u) < 0);
+ assert_se(parse_nsec("1234..", &u) < 0);
+ assert_se(parse_nsec("1111111111111y", &u) == -ERANGE);
+ assert_se(parse_nsec("1.111111111111y", &u) >= 0);
+}
+
+static void test_format_timespan_one(usec_t x, usec_t accuracy) {
+ char l[FORMAT_TIMESPAN_MAX];
+ const char *t;
+ usec_t y;
+
+ log_info(USEC_FMT" (at accuracy "USEC_FMT")", x, accuracy);
+
+ assert_se(t = format_timespan(l, sizeof l, x, accuracy));
+ log_info(" = <%s>", t);
+
+ assert_se(parse_sec(t, &y) >= 0);
+ log_info(" = "USEC_FMT, y);
+
+ if (accuracy <= 0)
+ accuracy = 1;
+
+ assert_se(x / accuracy == y / accuracy);
+}
+
+static void test_format_timespan(usec_t accuracy) {
+ log_info("/* %s accuracy="USEC_FMT" */", __func__, accuracy);
+
+ test_format_timespan_one(0, accuracy);
+ test_format_timespan_one(1, accuracy);
+ test_format_timespan_one(1*USEC_PER_SEC, accuracy);
+ test_format_timespan_one(999*USEC_PER_MSEC, accuracy);
+ test_format_timespan_one(1234567, accuracy);
+ test_format_timespan_one(12, accuracy);
+ test_format_timespan_one(123, accuracy);
+ test_format_timespan_one(1234, accuracy);
+ test_format_timespan_one(12345, accuracy);
+ test_format_timespan_one(123456, accuracy);
+ test_format_timespan_one(1234567, accuracy);
+ test_format_timespan_one(12345678, accuracy);
+ test_format_timespan_one(1200000, accuracy);
+ test_format_timespan_one(1230000, accuracy);
+ test_format_timespan_one(1234000, accuracy);
+ test_format_timespan_one(1234500, accuracy);
+ test_format_timespan_one(1234560, accuracy);
+ test_format_timespan_one(1234567, accuracy);
+ test_format_timespan_one(986087, accuracy);
+ test_format_timespan_one(500 * USEC_PER_MSEC, accuracy);
+ test_format_timespan_one(9*USEC_PER_YEAR/5 - 23, accuracy);
+ test_format_timespan_one(USEC_INFINITY, accuracy);
+}
+
+static void test_timezone_is_valid(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(timezone_is_valid("Europe/Berlin", LOG_ERR));
+ assert_se(timezone_is_valid("Australia/Sydney", LOG_ERR));
+ assert_se(!timezone_is_valid("Europe/Do not exist", LOG_ERR));
+}
+
+static void test_get_timezones(void) {
+ _cleanup_strv_free_ char **zones = NULL;
+ int r;
+ char **zone;
+
+ log_info("/* %s */", __func__);
+
+ r = get_timezones(&zones);
+ assert_se(r == 0);
+
+ STRV_FOREACH(zone, zones) {
+ log_info("zone: %s", *zone);
+ assert_se(timezone_is_valid(*zone, LOG_ERR));
+ }
+}
+
+static void test_usec_add(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(usec_add(0, 0) == 0);
+ assert_se(usec_add(1, 4) == 5);
+ assert_se(usec_add(USEC_INFINITY, 5) == USEC_INFINITY);
+ assert_se(usec_add(5, USEC_INFINITY) == USEC_INFINITY);
+ assert_se(usec_add(USEC_INFINITY-5, 2) == USEC_INFINITY-3);
+ assert_se(usec_add(USEC_INFINITY-2, 2) == USEC_INFINITY);
+ assert_se(usec_add(USEC_INFINITY-1, 2) == USEC_INFINITY);
+ assert_se(usec_add(USEC_INFINITY, 2) == USEC_INFINITY);
+}
+
+static void test_usec_sub_unsigned(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(usec_sub_unsigned(0, 0) == 0);
+ assert_se(usec_sub_unsigned(0, 2) == 0);
+ assert_se(usec_sub_unsigned(0, USEC_INFINITY) == 0);
+ assert_se(usec_sub_unsigned(1, 0) == 1);
+ assert_se(usec_sub_unsigned(1, 1) == 0);
+ assert_se(usec_sub_unsigned(1, 2) == 0);
+ assert_se(usec_sub_unsigned(1, 3) == 0);
+ assert_se(usec_sub_unsigned(1, USEC_INFINITY) == 0);
+ assert_se(usec_sub_unsigned(USEC_INFINITY-1, 0) == USEC_INFINITY-1);
+ assert_se(usec_sub_unsigned(USEC_INFINITY-1, 1) == USEC_INFINITY-2);
+ assert_se(usec_sub_unsigned(USEC_INFINITY-1, 2) == USEC_INFINITY-3);
+ assert_se(usec_sub_unsigned(USEC_INFINITY-1, USEC_INFINITY-2) == 1);
+ assert_se(usec_sub_unsigned(USEC_INFINITY-1, USEC_INFINITY-1) == 0);
+ assert_se(usec_sub_unsigned(USEC_INFINITY-1, USEC_INFINITY) == 0);
+ assert_se(usec_sub_unsigned(USEC_INFINITY, 0) == USEC_INFINITY);
+ assert_se(usec_sub_unsigned(USEC_INFINITY, 1) == USEC_INFINITY);
+ assert_se(usec_sub_unsigned(USEC_INFINITY, 2) == USEC_INFINITY);
+ assert_se(usec_sub_unsigned(USEC_INFINITY, USEC_INFINITY) == USEC_INFINITY);
+}
+
+static void test_usec_sub_signed(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(usec_sub_signed(0, 0) == 0);
+ assert_se(usec_sub_signed(4, 1) == 3);
+ assert_se(usec_sub_signed(4, 4) == 0);
+ assert_se(usec_sub_signed(4, 5) == 0);
+ assert_se(usec_sub_signed(USEC_INFINITY-3, -3) == USEC_INFINITY);
+ assert_se(usec_sub_signed(USEC_INFINITY-3, -4) == USEC_INFINITY);
+ assert_se(usec_sub_signed(USEC_INFINITY-3, -5) == USEC_INFINITY);
+ assert_se(usec_sub_signed(USEC_INFINITY, 5) == USEC_INFINITY);
+}
+
+static void test_format_timestamp(void) {
+ unsigned i;
+
+ log_info("/* %s */", __func__);
+
+ for (i = 0; i < 100; i++) {
+ char buf[MAX(FORMAT_TIMESTAMP_MAX, FORMAT_TIMESPAN_MAX)];
+ usec_t x, y;
+
+ random_bytes(&x, sizeof(x));
+ x = x % (2147483600 * USEC_PER_SEC) + 1;
+
+ assert_se(format_timestamp(buf, sizeof(buf), x));
+ log_info("%s", buf);
+ assert_se(parse_timestamp(buf, &y) >= 0);
+ assert_se(x / USEC_PER_SEC == y / USEC_PER_SEC);
+
+ assert_se(format_timestamp_style(buf, sizeof(buf), x, TIMESTAMP_UTC));
+ log_info("%s", buf);
+ assert_se(parse_timestamp(buf, &y) >= 0);
+ assert_se(x / USEC_PER_SEC == y / USEC_PER_SEC);
+
+ assert_se(format_timestamp_style(buf, sizeof(buf), x, TIMESTAMP_US));
+ log_info("%s", buf);
+ assert_se(parse_timestamp(buf, &y) >= 0);
+ assert_se(x == y);
+
+ assert_se(format_timestamp_style(buf, sizeof(buf), x, TIMESTAMP_US_UTC));
+ log_info("%s", buf);
+ assert_se(parse_timestamp(buf, &y) >= 0);
+ assert_se(x == y);
+
+ assert_se(format_timestamp_relative(buf, sizeof(buf), x));
+ log_info("%s", buf);
+ assert_se(parse_timestamp(buf, &y) >= 0);
+
+ /* The two calls above will run with a slightly different local time. Make sure we are in the same
+ * range however, but give enough leeway that this is unlikely to explode. And of course,
+ * format_timestamp_relative() scales the accuracy with the distance from the current time up to one
+ * month, cover for that too. */
+ assert_se(y > x ? y - x : x - y <= USEC_PER_MONTH + USEC_PER_DAY);
+ }
+}
+
+static void test_format_timestamp_utc_one(usec_t val, const char *result) {
+ char buf[FORMAT_TIMESTAMP_MAX];
+ const char *t;
+
+ t = format_timestamp_style(buf, sizeof(buf), val, TIMESTAMP_UTC);
+ assert_se(streq_ptr(t, result));
+}
+
+static void test_format_timestamp_utc(void) {
+ log_info("/* %s */", __func__);
+
+ test_format_timestamp_utc_one(0, NULL);
+ test_format_timestamp_utc_one(1, "Thu 1970-01-01 00:00:00 UTC");
+ test_format_timestamp_utc_one(USEC_PER_SEC, "Thu 1970-01-01 00:00:01 UTC");
+
+#if SIZEOF_TIME_T == 8
+ test_format_timestamp_utc_one(USEC_TIMESTAMP_FORMATTABLE_MAX, "Thu 9999-12-30 23:59:59 UTC");
+ test_format_timestamp_utc_one(USEC_TIMESTAMP_FORMATTABLE_MAX + 1, "--- XXXX-XX-XX XX:XX:XX");
+#elif SIZEOF_TIME_T == 4
+ test_format_timestamp_utc_one(USEC_TIMESTAMP_FORMATTABLE_MAX, "Tue 2038-01-19 03:14:07 UTC");
+ test_format_timestamp_utc_one(USEC_TIMESTAMP_FORMATTABLE_MAX + 1, "--- XXXX-XX-XX XX:XX:XX");
+#endif
+
+ test_format_timestamp_utc_one(USEC_INFINITY, NULL);
+}
+
+static void test_deserialize_dual_timestamp(void) {
+ int r;
+ dual_timestamp t;
+
+ log_info("/* %s */", __func__);
+
+ r = deserialize_dual_timestamp("1234 5678", &t);
+ assert_se(r == 0);
+ assert_se(t.realtime == 1234);
+ assert_se(t.monotonic == 5678);
+
+ r = deserialize_dual_timestamp("1234x 5678", &t);
+ assert_se(r == -EINVAL);
+
+ r = deserialize_dual_timestamp("1234 5678y", &t);
+ assert_se(r == -EINVAL);
+
+ r = deserialize_dual_timestamp("-1234 5678", &t);
+ assert_se(r == -EINVAL);
+
+ r = deserialize_dual_timestamp("1234 -5678", &t);
+ assert_se(r == -EINVAL);
+
+ /* Check that output wasn't modified. */
+ assert_se(t.realtime == 1234);
+ assert_se(t.monotonic == 5678);
+
+ r = deserialize_dual_timestamp("+123 567", &t);
+ assert_se(r == 0);
+ assert_se(t.realtime == 123);
+ assert_se(t.monotonic == 567);
+
+ /* Check that we get "infinity" on overflow. */
+ r = deserialize_dual_timestamp("18446744073709551617 0", &t);
+ assert_se(r == 0);
+ assert_se(t.realtime == USEC_INFINITY);
+ assert_se(t.monotonic == 0);
+}
+
+static void assert_similar(usec_t a, usec_t b) {
+ usec_t d;
+
+ if (a > b)
+ d = a - b;
+ else
+ d = b - a;
+
+ assert_se(d < 10*USEC_PER_SEC);
+}
+
+static void test_usec_shift_clock(void) {
+ usec_t rt, mn, bt;
+
+ log_info("/* %s */", __func__);
+
+ rt = now(CLOCK_REALTIME);
+ mn = now(CLOCK_MONOTONIC);
+ bt = now(clock_boottime_or_monotonic());
+
+ assert_se(usec_shift_clock(USEC_INFINITY, CLOCK_REALTIME, CLOCK_MONOTONIC) == USEC_INFINITY);
+
+ assert_similar(usec_shift_clock(rt + USEC_PER_HOUR, CLOCK_REALTIME, CLOCK_MONOTONIC), mn + USEC_PER_HOUR);
+ assert_similar(usec_shift_clock(rt + 2*USEC_PER_HOUR, CLOCK_REALTIME, clock_boottime_or_monotonic()), bt + 2*USEC_PER_HOUR);
+ assert_se(usec_shift_clock(rt + 3*USEC_PER_HOUR, CLOCK_REALTIME, CLOCK_REALTIME_ALARM) == rt + 3*USEC_PER_HOUR);
+
+ assert_similar(usec_shift_clock(mn + 4*USEC_PER_HOUR, CLOCK_MONOTONIC, CLOCK_REALTIME_ALARM), rt + 4*USEC_PER_HOUR);
+ assert_similar(usec_shift_clock(mn + 5*USEC_PER_HOUR, CLOCK_MONOTONIC, clock_boottime_or_monotonic()), bt + 5*USEC_PER_HOUR);
+ assert_se(usec_shift_clock(mn + 6*USEC_PER_HOUR, CLOCK_MONOTONIC, CLOCK_MONOTONIC) == mn + 6*USEC_PER_HOUR);
+
+ assert_similar(usec_shift_clock(bt + 7*USEC_PER_HOUR, clock_boottime_or_monotonic(), CLOCK_MONOTONIC), mn + 7*USEC_PER_HOUR);
+ assert_similar(usec_shift_clock(bt + 8*USEC_PER_HOUR, clock_boottime_or_monotonic(), CLOCK_REALTIME_ALARM), rt + 8*USEC_PER_HOUR);
+ assert_se(usec_shift_clock(bt + 9*USEC_PER_HOUR, clock_boottime_or_monotonic(), clock_boottime_or_monotonic()) == bt + 9*USEC_PER_HOUR);
+
+ if (mn > USEC_PER_MINUTE) {
+ assert_similar(usec_shift_clock(rt - 30 * USEC_PER_SEC, CLOCK_REALTIME_ALARM, CLOCK_MONOTONIC), mn - 30 * USEC_PER_SEC);
+ assert_similar(usec_shift_clock(rt - 50 * USEC_PER_SEC, CLOCK_REALTIME, clock_boottime_or_monotonic()), bt - 50 * USEC_PER_SEC);
+ }
+}
+
+static void test_in_utc_timezone(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(setenv("TZ", ":UTC", 1) >= 0);
+ assert_se(in_utc_timezone());
+ assert_se(streq(tzname[0], "UTC"));
+ assert_se(streq(tzname[1], "UTC"));
+ assert_se(timezone == 0);
+ assert_se(daylight == 0);
+
+ assert_se(setenv("TZ", ":Europe/Berlin", 1) >= 0);
+ assert_se(!in_utc_timezone());
+ assert_se(streq(tzname[0], "CET"));
+ assert_se(streq(tzname[1], "CEST"));
+
+ assert_se(unsetenv("TZ") == 0);
+}
+
+static void test_map_clock_usec(void) {
+ usec_t nowr, x, y, z;
+
+ log_info("/* %s */", __func__);
+ nowr = now(CLOCK_REALTIME);
+
+ x = nowr; /* right now */
+ y = map_clock_usec(x, CLOCK_REALTIME, CLOCK_MONOTONIC);
+ z = map_clock_usec(y, CLOCK_MONOTONIC, CLOCK_REALTIME);
+ /* Converting forth and back will introduce inaccuracies, since we cannot query both clocks atomically, but it should be small. Even on the slowest CI smaller than 1h */
+
+ assert_se((z > x ? z - x : x - z) < USEC_PER_HOUR);
+
+ assert_se(nowr < USEC_INFINITY - USEC_PER_DAY*7); /* overflow check */
+ x = nowr + USEC_PER_DAY*7; /* 1 week from now */
+ y = map_clock_usec(x, CLOCK_REALTIME, CLOCK_MONOTONIC);
+ assert_se(y > 0 && y < USEC_INFINITY);
+ z = map_clock_usec(y, CLOCK_MONOTONIC, CLOCK_REALTIME);
+ assert_se(z > 0 && z < USEC_INFINITY);
+ assert_se((z > x ? z - x : x - z) < USEC_PER_HOUR);
+
+ assert_se(nowr > USEC_PER_DAY * 7); /* underflow check */
+ x = nowr - USEC_PER_DAY*7; /* 1 week ago */
+ y = map_clock_usec(x, CLOCK_REALTIME, CLOCK_MONOTONIC);
+ if (y != 0) { /* might underflow if machine is not up long enough for the monotonic clock to be beyond 1w */
+ assert_se(y < USEC_INFINITY);
+ z = map_clock_usec(y, CLOCK_MONOTONIC, CLOCK_REALTIME);
+ assert_se(z > 0 && z < USEC_INFINITY);
+ assert_se((z > x ? z - x : x - z) < USEC_PER_HOUR);
+ }
+}
+
+int main(int argc, char *argv[]) {
+ test_setup_logging(LOG_INFO);
+
+ log_info("realtime=" USEC_FMT "\n"
+ "monotonic=" USEC_FMT "\n"
+ "boottime=" USEC_FMT "\n",
+ now(CLOCK_REALTIME),
+ now(CLOCK_MONOTONIC),
+ now(clock_boottime_or_monotonic()));
+
+ test_parse_sec();
+ test_parse_sec_fix_0();
+ test_parse_sec_def_infinity();
+ test_parse_time();
+ test_parse_nsec();
+ test_format_timespan(1);
+ test_format_timespan(USEC_PER_MSEC);
+ test_format_timespan(USEC_PER_SEC);
+ test_timezone_is_valid();
+ test_get_timezones();
+ test_usec_add();
+ test_usec_sub_signed();
+ test_usec_sub_unsigned();
+ test_format_timestamp();
+ test_format_timestamp_utc();
+ test_deserialize_dual_timestamp();
+ test_usec_shift_clock();
+ test_in_utc_timezone();
+ test_map_clock_usec();
+
+ /* Ensure time_t is signed */
+ assert_cc((time_t) -1 < (time_t) 1);
+
+ /* Ensure TIME_T_MAX works correctly */
+ uintmax_t x = TIME_T_MAX;
+ x++;
+ assert((time_t) x < 0);
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 05:37:19 +0000