Mercurial > hg > graal-jvmci-8
view test/gc/whitebox/TestConcMarkCycleWB.java @ 23651:481dcde745b6 jdk8u92-b00
Added tag jdk8u76-b12 for changeset 9a87701e22b3
author | asaha |
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date | Tue, 15 Mar 2016 13:59:15 -0700 |
parents | 047a642c9729 |
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/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test TestConMarkCycleWB * @bug 8065579 * @requires vm.gc=="null" | vm.gc=="G1" * @library /testlibrary /testlibrary/whitebox * @build ClassFileInstaller com.oracle.java.testlibrary.* sun.hotspot.WhiteBox TestConcMarkCycleWB * @run main ClassFileInstaller sun.hotspot.WhiteBox * sun.hotspot.WhiteBox$WhiteBoxPermission * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UseG1GC TestConcMarkCycleWB * @summary Verifies that ConcurrentMarking-related WB works properly */ import static com.oracle.java.testlibrary.Asserts.assertFalse; import static com.oracle.java.testlibrary.Asserts.assertTrue; import sun.hotspot.WhiteBox; public class TestConcMarkCycleWB { public static void main(String[] args) throws Exception { WhiteBox wb = WhiteBox.getWhiteBox(); wb.youngGC(); assertTrue(wb.g1StartConcMarkCycle()); while (wb.g1InConcurrentMark()) { Thread.sleep(5); } wb.fullGC(); assertTrue(wb.g1StartConcMarkCycle()); while (wb.g1InConcurrentMark()) { Thread.sleep(5); } assertTrue(wb.g1StartConcMarkCycle()); } }