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annotate test/gc/whitebox/TestWBGC.java @ 20526:584df6794686

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Added tag hs25.40-b14 for changeset e193bbae24ef
author amurillo
date Fri, 10 Oct 2014 03:07:09 -0700
parents b95d569d10c1
children
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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
b95d569d10c1 8055953: [TESTBUG] Fix for 8055098 does not contain unit test
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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 TestWBGC
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26 * @bug 8055098
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27 * @summary Test verify that WB methods isObjectInOldGen and youngGC works correctly.
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28 * @library /testlibrary /testlibrary/whitebox
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29 * @build TestWBGC
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30 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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31 * @run driver TestWBGC
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32 */
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33 import com.oracle.java.testlibrary.*;
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34 import sun.hotspot.WhiteBox;
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35
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36 public class TestWBGC {
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37
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38 public static void main(String args[]) throws Exception {
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39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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40 true,
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41 "-Xbootclasspath/a:.",
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42 "-XX:+UnlockDiagnosticVMOptions",
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43 "-XX:+WhiteBoxAPI",
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44 "-XX:MaxTenuringThreshold=1",
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45 "-XX:+PrintGC",
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46 GCYoungTest.class.getName());
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47
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48 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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49 System.out.println(output.getStdout());
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50 output.shouldHaveExitValue(0);
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51 output.shouldContain("WhiteBox Initiated Young GC");
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52 output.shouldNotContain("Full");
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53 // To be sure that we don't provoke Full GC additionaly to young
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54 }
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55
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56 public static class GCYoungTest {
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57 static WhiteBox wb = WhiteBox.getWhiteBox();
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58 public static Object obj;
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59
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60 public static void main(String args[]) {
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61 obj = new Object();
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62 Asserts.assertFalse(wb.isObjectInOldGen(obj));
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63 wb.youngGC();
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64 wb.youngGC();
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65 // 2 young GC is needed to promote object into OldGen
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66 Asserts.assertTrue(wb.isObjectInOldGen(obj));
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67 }
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68 }
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69 }