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8143097: java/net/ipv6tests/UdpTest.java fails intermittently with "checkTime failed: got 1998 expected 4000"

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Reviewed-by: chegar
This commit is contained in:
Amy Lu 2016-11-03 15:40:55 +08:00
parent 447e8a5232
commit a35d0116c4
2 changed files with 12 additions and 7 deletions
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16
jdk/test/java/net/ipv6tests/Tests.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -139,11 +139,17 @@ public class Tests {
/* check the time got is within 50% of the time expected */ /* check the time got is within 50% of the time expected */
public static void checkTime (long got, long expected) { public static void checkTime (long got, long expected) {
dprintln ("checkTime: got " + got + " expected " + expected); checkTime(got, expected, expected);
long upper = expected + (expected / 2); }
long lower = expected - (expected / 2);
/* check the time got is between start and end, given 50% tolerance */
public static void checkTime(long got, long start, long end) {
dprintln("checkTime: got = " + got + " start = " + start + " end = " + end);
long upper = end + (end / 2);
long lower = start - (start / 2);
if (got > upper || got < lower) { if (got > upper || got < lower) {
throw new RuntimeException ("checkTime failed: got " + got + " expected " + expected); throw new RuntimeException("checkTime failed: got " + got
+ ", expected between " + start + " and " + end);
} }
} }

3
jdk/test/java/net/ipv6tests/UdpTest.java
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@ -24,7 +24,6 @@
/* /*
* @test * @test
* @bug 4868820 * @bug 4868820
* @key intermittent
* @summary IPv6 support for Windows XP and 2003 server * @summary IPv6 support for Windows XP and 2003 server
*/ */
@ -159,7 +158,7 @@ public class UdpTest extends Tests {
}); });
t1 = System.currentTimeMillis(); t1 = System.currentTimeMillis();
s1.receive (new DatagramPacket (new byte [128], 128)); s1.receive (new DatagramPacket (new byte [128], 128));
checkTime (System.currentTimeMillis() - t1, 4000); checkTime (System.currentTimeMillis() - t1, 2000, 10000);
s1.close (); s1.close ();
s2.close (); s2.close ();
System.out.println ("Test2: OK"); System.out.println ("Test2: OK");