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annotate 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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14311
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test Test2GbHeap
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26 * @bug 8031686
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27 * @summary Regression test to ensure we can start G1 with 2gb heap.
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28 * @key gc
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29 * @key regression
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30 * @library /testlibrary
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31 */
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32
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33 import java.util.ArrayList;
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34
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35 import com.oracle.java.testlibrary.OutputAnalyzer;
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36 import com.oracle.java.testlibrary.ProcessTools;
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37
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38 public class Test2GbHeap {
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39 public static void main(String[] args) throws Exception {
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40 ArrayList<String> testArguments = new ArrayList<String>();
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41
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42 testArguments.add("-XX:+UseG1GC");
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43 testArguments.add("-Xmx2g");
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44 testArguments.add("-version");
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45
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46 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));
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47
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48 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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49
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50 // Avoid failing test for setups not supported.
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51 if (output.getOutput().contains("Could not reserve enough space for 2097152KB object heap")) {
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52 // Will fail on machines with too little memory (and Windows 32-bit VM), ignore such failures.
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53 output.shouldHaveExitValue(1);
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54 } else if (output.getOutput().contains("G1 GC is disabled in this release")) {
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55 // G1 is not supported on embedded, ignore such failures.
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56 output.shouldHaveExitValue(1);
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57 } else {
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58 // Normally everything should be fine.
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59 output.shouldHaveExitValue(0);
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60 }
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61 }
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62 }