Mercurial > hg > truffle
comparison test/gc/arguments/TestG1HeapRegionSize.java @ 11978:dae8324fc7d1
8021879: G1: G1HeapRegionSize flag value not updated correctly
Reviewed-by: tschatzl, jmasa
author | brutisso |
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date | Thu, 01 Aug 2013 09:35:04 +0200 |
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11977:313227279a05 | 11978:dae8324fc7d1 |
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1 /* | |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
25 * @test TestG1HeapRegionSize | |
26 * @key gc | |
27 * @bug 8021879 | |
28 * @summary Verify that the flag G1HeapRegionSize is updated properly | |
29 * @run main/othervm -Xmx64m TestG1HeapRegionSize 1048576 | |
30 * @run main/othervm -XX:G1HeapRegionSize=2m -Xmx64m TestG1HeapRegionSize 2097152 | |
31 * @run main/othervm -XX:G1HeapRegionSize=3m -Xmx64m TestG1HeapRegionSize 2097152 | |
32 * @run main/othervm -XX:G1HeapRegionSize=64m -Xmx256m TestG1HeapRegionSize 33554432 | |
33 */ | |
34 | |
35 import sun.management.ManagementFactoryHelper; | |
36 import com.sun.management.HotSpotDiagnosticMXBean; | |
37 import com.sun.management.VMOption; | |
38 | |
39 public class TestG1HeapRegionSize { | |
40 | |
41 public static void main(String[] args) { | |
42 HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean(); | |
43 | |
44 VMOption option = diagnostic.getVMOption("UseG1GC"); | |
45 if (option.getValue().equals("false")) { | |
46 System.out.println("Skipping this test. It is only a G1 test."); | |
47 return; | |
48 } | |
49 | |
50 String expectedValue = getExpectedValue(args); | |
51 option = diagnostic.getVMOption("G1HeapRegionSize"); | |
52 if (!expectedValue.equals(option.getValue())) { | |
53 throw new RuntimeException("Wrong value for G1HeapRegionSize. Expected " + expectedValue + " but got " + option.getValue()); | |
54 } | |
55 } | |
56 | |
57 private static String getExpectedValue(String[] args) { | |
58 if (args.length != 1) { | |
59 throw new RuntimeException("Wrong number of arguments. Expected 1 but got " + args.length); | |
60 } | |
61 return args[0]; | |
62 } | |
63 | |
64 } |