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comparison test/gc/g1/Test2GbHeap.java @ 14311:e9fc29d2e8ae

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8031686: G1: assert(_hrs.max_length() == _expansion_regions) failed Summary: Using pointer_delta to avoid overflowing pointer calculation. Reviewed-by: jmasa, tschatzl
author sjohanss
date Mon, 20 Jan 2014 10:55:54 +0100
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14310:1e1c8d358b52 14311:e9fc29d2e8ae
1 /*
2 * Copyright (c) 2014, 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 Test2GbHeap
26 * @bug 8031686
27 * @summary Regression test to ensure we can start G1 with 2gb heap.
28 * @key gc
29 * @key regression
30 * @library /testlibrary
31 */
32
33 import java.util.ArrayList;
34
35 import com.oracle.java.testlibrary.OutputAnalyzer;
36 import com.oracle.java.testlibrary.ProcessTools;
37
38 public class Test2GbHeap {
39 public static void main(String[] args) throws Exception {
40 ArrayList<String> testArguments = new ArrayList<String>();
41
42 testArguments.add("-XX:+UseG1GC");
43 testArguments.add("-Xmx2g");
44 testArguments.add("-version");
45
46 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));
47
48 OutputAnalyzer output = new OutputAnalyzer(pb.start());
49
50 // Avoid failing test for setups not supported.
51 if (output.getOutput().contains("Could not reserve enough space for 2097152KB object heap")) {
52 // Will fail on machines with too little memory (and Windows 32-bit VM), ignore such failures.
53 output.shouldHaveExitValue(1);
54 } else if (output.getOutput().contains("G1 GC is disabled in this release")) {
55 // G1 is not supported on embedded, ignore such failures.
56 output.shouldHaveExitValue(1);
57 } else {
58 // Normally everything should be fine.
59 output.shouldHaveExitValue(0);
60 }
61 }
62 }