QPID-3794: calculate a sleep interval to account for previous overlsleep, to help avoid ocasional failures in StatisticsCounterTest.testPeakOutOfOrder

Applied patch from Oleksandr Rudyy <orudyy@gmail.com> (with small update to prevent a negative value being used)


git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1240518 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 6 insertions, 1 deletions

diff --git a/java/broker/src/test/java/org/apache/qpid/server/stats/StatisticsCounterTest.java b/java/broker/src/test/java/org/apache/qpid/server/stats/StatisticsCounterTest.java
index fbaa1342c9..147879f5e8 100644
--- a/java/broker/src/test/java/org/apache/qpid/server/stats/StatisticsCounterTest.java
+++ b/java/broker/src/test/java/org/apache/qpid/server/stats/StatisticsCounterTest.java
@@ -106,7 +106,12 @@ public class StatisticsCounterTest extends TestCase
         Thread.sleep(1500);
         assertEquals(0.0, counter.getPeak());
         counter.registerEvent(2000, start + 1500);
-        Thread.sleep(1000L);
+
+        // make sure, that getPeak invocation occurs at "start + 2500"
+        // if test thread over-sleeps for 500+ mls
+        // the peak value can be incremented and test will fail
+        long sleep = start + 2500 - System.currentTimeMillis();
+        Thread.sleep(sleep < 0 ? 0 : sleep);
         assertEquals(0.0, counter.getPeak());
         counter.registerEvent(1000, start + 500);
         Thread.sleep(1500);