util: add check that makes sure time_t and TIME_T_MAX work the way we assume they do

[thirdparty/systemd.git] / src / test / test-time.c

diff --git a/src/test/test-time.c b/src/test/test-time.c
index 7c29f96a341a747cd7faf61b44c4f714a310fd79..254a8d0e529eec9ca4871552eb2b95c1d4ed17c7 100644 (file)
--- a/src/test/test-time.c
+++ b/src/test/test-time.c
@@ -19,6 +19,7 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include "strv.h"
 #include "time-util.h"
 
 static void test_parse_sec(void) {
@@ -42,12 +43,40 @@ static void test_parse_sec(void) {
         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("infinity", &u) >= 0);
+        assert_se(u == USEC_INFINITY);
+        assert_se(parse_sec(" infinity ", &u) >= 0);
+        assert_se(u == USEC_INFINITY);
 
         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(" infinity .7", &u) < 0);
+        assert_se(parse_sec(".3 infinity", &u) < 0);
+}
+
+static void test_parse_time(void) {
+        usec_t u;
+
+        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);
 }
 
 static void test_parse_nsec(void) {
@@ -71,12 +100,18 @@ static void test_parse_nsec(void) {
         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(" 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);
 }
 
 static void test_format_timespan_one(usec_t x, usec_t accuracy) {
@@ -124,13 +159,58 @@ static void test_format_timespan(usec_t 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) {
+        assert_se(timezone_is_valid("Europe/Berlin"));
+        assert_se(timezone_is_valid("Australia/Sydney"));
+        assert_se(!timezone_is_valid("Europe/Do not exist"));
+}
+
+static void test_get_timezones(void) {
+        _cleanup_strv_free_ char **zones = NULL;
+        int r;
+        char **zone;
+
+        r = get_timezones(&zones);
+        assert_se(r == 0);
+
+        STRV_FOREACH(zone, zones)
+                assert_se(timezone_is_valid(*zone));
+}
+
+static void test_usec_add(void) {
+        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);
 }
 
 int main(int argc, char *argv[]) {
+        uintmax_t x;
+
         test_parse_sec();
+        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();
+
+        /* Ensure time_t is signed */
+        assert_cc((time_t) -1 < (time_t) 1);
+
+        /* Ensure TIME_T_MAX works correctly */
+        x = (uintmax_t) TIME_T_MAX;
+        x ++;
+        assert((time_t) x < 0);
+
         return 0;
 }