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57 lines
2.2 KiB
57 lines
2.2 KiB
/* |
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test TestConMarkCycleWB |
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* @bug 8065579 |
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* @requires vm.gc=="null" | vm.gc=="G1" |
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* @library /testlibrary /testlibrary/whitebox |
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* @build ClassFileInstaller com.oracle.java.testlibrary.* sun.hotspot.WhiteBox TestConcMarkCycleWB |
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* @run main ClassFileInstaller sun.hotspot.WhiteBox |
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* sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UseG1GC TestConcMarkCycleWB |
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* @summary Verifies that ConcurrentMarking-related WB works properly |
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*/ |
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import static com.oracle.java.testlibrary.Asserts.assertFalse; |
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import static com.oracle.java.testlibrary.Asserts.assertTrue; |
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import sun.hotspot.WhiteBox; |
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public class TestConcMarkCycleWB { |
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public static void main(String[] args) throws Exception { |
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WhiteBox wb = WhiteBox.getWhiteBox(); |
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wb.youngGC(); |
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assertTrue(wb.g1StartConcMarkCycle()); |
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while (wb.g1InConcurrentMark()) { |
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Thread.sleep(5); |
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} |
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wb.fullGC(); |
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assertTrue(wb.g1StartConcMarkCycle()); |
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while (wb.g1InConcurrentMark()) { |
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Thread.sleep(5); |
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} |
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assertTrue(wb.g1StartConcMarkCycle()); |
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} |
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}
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