commit 69535f12841aa8041863c81d1c6ac7eb7a95e0c6 Author: teor (Tim Wilson-Brown) <teor2345@gmail.com> Date: Thu Jun 30 09:22:29 2016 +1000 Add tv_udiff and tv_mdiff unit tests with negative values --- src/test/test_util.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/test/test_util.c b/src/test/test_util.c index 8951292..c331a66 100644 --- a/src/test/test_util.c +++ b/src/test/test_util.c @@ -303,6 +303,23 @@ test_util_time(void *arg) tt_int_op(1005000L,OP_EQ, tv_udiff(&end, &start)); tt_int_op(1005L,OP_EQ, tv_mdiff(&end, &start)); + /* Negative tv_sec values, these will break on platforms where tv_sec is + * unsigned */ + + end.tv_sec = -10; + + tt_int_op(-15005000L,OP_EQ, tv_udiff(&start, &end)); + tt_int_op(-15005L,OP_EQ, tv_mdiff(&start, &end)); + tt_int_op(15005000L,OP_EQ, tv_udiff(&end, &start)); + tt_int_op(15005L,OP_EQ, tv_mdiff(&end, &start)); + + start.tv_sec = -100; + + tt_int_op(89995000L,OP_EQ, tv_udiff(&start, &end)); + tt_int_op(89995L,OP_EQ, tv_mdiff(&start, &end)); + tt_int_op(-89995000L,OP_EQ, tv_udiff(&end, &start)); + tt_int_op(-89995L,OP_EQ, tv_mdiff(&end, &start)); + /* Test that tv_usec values round away from zero when converted to msec */ start.tv_sec = 0; start.tv_usec = 0;