Repository: cloudstack Updated Branches: refs/heads/master e3daa1096 -> cbf5155f7
Testing the elapsed time between 2 consecultive calls to System.nanoTime() - 1 test was added Signed-off-by: Daan Hoogland <d...@onecht.net> Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/2f145378 Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/2f145378 Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/2f145378 Branch: refs/heads/master Commit: 2f145378dff577bd153e0585f4990f637185d900 Parents: 5557ad5 Author: wilderrodrigues <wrodrig...@schubergphilis.com> Authored: Tue Jun 23 19:21:29 2015 +0200 Committer: Daan Hoogland <d...@onecht.net> Committed: Wed Jun 24 09:36:40 2015 +0200 ---------------------------------------------------------------------- utils/test/com/cloud/utils/TestProfiler.java | 14 ++++++++++++++ 1 file changed, 14 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/cloudstack/blob/2f145378/utils/test/com/cloud/utils/TestProfiler.java ---------------------------------------------------------------------- diff --git a/utils/test/com/cloud/utils/TestProfiler.java b/utils/test/com/cloud/utils/TestProfiler.java index cbd28f5..d801059 100644 --- a/utils/test/com/cloud/utils/TestProfiler.java +++ b/utils/test/com/cloud/utils/TestProfiler.java @@ -94,4 +94,18 @@ public class TestProfiler extends Log4jEnabledTestCase { Assert.assertTrue(pf.getDurationInMillis() == -1); Assert.assertFalse(pf.isStopped()); } + + @Test + public void testResolution() { + long nanoTime1 = 0l; + long nanoTime2 = 0l; + nanoTime1 = System.nanoTime(); + nanoTime2 = System.nanoTime(); + System.out.println("Nano time 1: " + nanoTime1); + System.out.println("Nano time 2: " + nanoTime2); + + // We are measuring the elapsed time in 2 consecutive calls of System.nanoTime() + // That's the same as 0.002 milliseconds or 2000 nanoseconds. + Assert.assertTrue("It took more than 2 microseconds between 2 consecutive calls to System.nanoTime().", nanoTime2 - nanoTime1 <= 2000); + } } \ No newline at end of file
