X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftime%2Ftest%2Frun.c;h=7f4366005b693ab66318613ae5c6537fde0ac1a2;hp=80391694cd94e04abb7552337869802986213b4f;hb=2012d45e273c3016dbd09b2606efc9ffab07c57f;hpb=18631151c81a92341d26cee6f3b125191f3d5c41

diff --git a/ccan/time/test/run.c b/ccan/time/test/run.c
index 80391694..7f436600 100644
--- a/ccan/time/test/run.c
+++ b/ccan/time/test/run.c
@@ -4,9 +4,9 @@
 
 int main(void)
 {
-	struct timeval t1, t2, t3, zero = { 0, 0 };
+	struct timespec t1, t2, t3, zero = { 0, 0 };
 
-	plan_tests(46);
+	plan_tests(58);
 
 	/* Test time_now */
 	t1 = time_now();
@@ -14,11 +14,11 @@ int main(void)
 
 	/* Test time_sub. */
 	t3 = time_sub(t2, t1);
-	ok1(t3.tv_sec > 0 || t3.tv_usec >= 0);
+	ok1(t3.tv_sec > 0 || t3.tv_nsec >= 0);
 	t3 = time_sub(t2, t2);
-	ok1(t3.tv_sec == 0 && t3.tv_usec == 0);
+	ok1(t3.tv_sec == 0 && t3.tv_nsec == 0);
 	t3 = time_sub(t1, t1);
-	ok1(t3.tv_sec == 0 && t3.tv_usec == 0);
+	ok1(t3.tv_sec == 0 && t3.tv_nsec == 0);
 
 	/* Test time_eq */
 	ok1(time_eq(t1, t1));
@@ -28,7 +28,7 @@ int main(void)
 
 	/* Make sure t2 > t1. */
 	t3.tv_sec = 0;
-	t3.tv_usec = 1;
+	t3.tv_nsec = 1;
 	t2 = time_add(t2, t3);
 
 	/* Test time_less and time_greater. */
@@ -38,7 +38,7 @@ int main(void)
 	ok1(time_greater(t2, t1));
 	ok1(!time_less(t2, t1));
 	t3.tv_sec = 0;
-	t3.tv_usec = 999999;
+	t3.tv_nsec = 999999999;
 	t2 = time_add(t2, t3);
 	ok1(!time_eq(t1, t2));
 	ok1(!time_greater(t1, t2));
@@ -54,58 +54,89 @@ int main(void)
 	/* time_from_msec / time_to_msec */
 	t3 = time_from_msec(500);
 	ok1(t3.tv_sec == 0);
-	ok1(t3.tv_usec == 500000);
+	ok1(t3.tv_nsec == 500000000);
 	ok1(time_to_msec(t3) == 500);
 
 	t3 = time_from_msec(1000);
 	ok1(t3.tv_sec == 1);
-	ok1(t3.tv_usec == 0);
+	ok1(t3.tv_nsec == 0);
 	ok1(time_to_msec(t3) == 1000);
 
 	t3 = time_from_msec(1500);
 	ok1(t3.tv_sec == 1);
-	ok1(t3.tv_usec == 500000);
+	ok1(t3.tv_nsec == 500000000);
 	ok1(time_to_msec(t3) == 1500);
 
 	/* time_from_usec */
 	t3 = time_from_usec(500000);
 	ok1(t3.tv_sec == 0);
-	ok1(t3.tv_usec == 500000);
+	ok1(t3.tv_nsec == 500000000);
 	ok1(time_to_usec(t3) == 500000);
 
 	t3 = time_from_usec(1000000);
 	ok1(t3.tv_sec == 1);
-	ok1(t3.tv_usec == 0);
+	ok1(t3.tv_nsec == 0);
 	ok1(time_to_usec(t3) == 1000000);
 
 	t3 = time_from_usec(1500000);
 	ok1(t3.tv_sec == 1);
-	ok1(t3.tv_usec == 500000);
+	ok1(t3.tv_nsec == 500000000);
 	ok1(time_to_usec(t3) == 1500000);
 
+	/* time_from_nsec */
+	t3 = time_from_nsec(500000000);
+	ok1(t3.tv_sec == 0);
+	ok1(t3.tv_nsec == 500000000);
+	ok1(time_to_nsec(t3) == 500000000);
+
+	t3 = time_from_nsec(1000000000);
+	ok1(t3.tv_sec == 1);
+	ok1(t3.tv_nsec == 0);
+	ok1(time_to_nsec(t3) == 1000000000);
+
+	t3 = time_from_nsec(1500000000);
+	ok1(t3.tv_sec == 1);
+	ok1(t3.tv_nsec == 500000000);
+	ok1(time_to_nsec(t3) == 1500000000);
+
 	/* Test wrapunder */
 	t3 = time_sub(time_sub(t2, time_from_msec(500)), time_from_msec(500));
 	ok1(t3.tv_sec == t2.tv_sec - 1);
-	ok1(t3.tv_usec == t2.tv_usec);
+	ok1(t3.tv_nsec == t2.tv_nsec);
 
 	/* time_divide and time_multiply */
-	t1.tv_usec = 100;
+	t1.tv_nsec = 100;
 	t1.tv_sec = 100;
 
 	t3 = time_divide(t1, 2);
 	ok1(t3.tv_sec == 50);
-	ok1(t3.tv_usec == 50);
+	ok1(t3.tv_nsec == 50);
 
 	t3 = time_divide(t1, 100);
 	ok1(t3.tv_sec == 1);
-	ok1(t3.tv_usec == 1);
+	ok1(t3.tv_nsec == 1);
 
 	t3 = time_multiply(t3, 100);
 	ok1(time_eq(t3, t1));
 
 	t3 = time_divide(t1, 200);
 	ok1(t3.tv_sec == 0);
-	ok1(t3.tv_usec == 500000);
+	ok1(t3.tv_nsec == 500000000);
+
+	/* Divide by huge number. */
+	t1.tv_sec = (1U << 31) - 1;
+	t1.tv_nsec = 999999999;
+	t2 = time_divide(t1, 1 << 30);
+	/* Allow us to round either way. */
+	ok1((t2.tv_sec == 2 && t2.tv_nsec == 0)
+	    || (t2.tv_sec == 1 && t2.tv_nsec == 999999999));
+
+	/* Multiply by huge number. */
+	t1.tv_sec = 0;
+	t1.tv_nsec = 1;
+	t2 = time_multiply(t1, 1UL << 31);
+	ok1(t2.tv_sec == 2);
+	ok1(t2.tv_nsec == 147483648);
 
 	return exit_status();
 }