[PATCH 3/6] tests: Avoid rounding errors with double precision variables

[Ingo Brückl <ib wupperonline de>]

The double precision variable 'elapsed' (computed from an guint64 by
division by 1e6) must be "rounded up" in order to pass the test for
equality reliably.

Signed-off-by: Ingo Brückl <ib wupperonline de>
---
 glib/tests/timer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/glib/tests/timer.c b/glib/tests/timer.c
index 18a762f..f165301 100644
--- a/glib/tests/timer.c
+++ b/glib/tests/timer.c
@@ -36,7 +36,7 @@ test_timer_basic (void)
   elapsed = g_timer_elapsed (timer, &micros);

   g_assert_cmpfloat (elapsed, <, 1.0);
-  g_assert_cmpuint (micros, ==, ((guint64)(elapsed * 1e6)) % 1000000);
+  g_assert_cmpuint (micros, ==, ((guint64)((elapsed + 0.0000005) * 1e6)) % 1000000);

   g_timer_destroy (timer);
 }
@@ -56,7 +56,7 @@ test_timer_stop (void)
   g_usleep (100);
   elapsed2 = g_timer_elapsed (timer, NULL);

-  g_assert_cmpfloat (elapsed, ==, elapsed2);
+  g_assert_cmpfloat ((float)elapsed, ==, (float)elapsed2);

   g_timer_destroy (timer);
 }
--
2.8.2