From 53f555b6f6b0a9fb58a781e40e3db67924a2a9c8 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 1 Feb 2016 16:13:51 +0100 Subject: util: add usec_add() which adds two usec_t values with overflow handling --- src/test/test-time.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'src/test') diff --git a/src/test/test-time.c b/src/test/test-time.c index 8896b2c92b..ca44f81f9c 100644 --- a/src/test/test-time.c +++ b/src/test/test-time.c @@ -176,9 +176,19 @@ static void test_get_timezones(void) { r = get_timezones(&zones); assert_se(r == 0); - STRV_FOREACH(zone, zones) { + 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[]) { @@ -190,6 +200,7 @@ int main(int argc, char *argv[]) { test_format_timespan(USEC_PER_SEC); test_timezone_is_valid(); test_get_timezones(); + test_usec_add(); return 0; } -- cgit v1.2.3-54-g00ecf