62 lines
2.2 KiB
Java
62 lines
2.2 KiB
Java
/*
|
|
* Copyright (c) 2014, 2017, 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.G1
|
|
* @library /test/lib
|
|
* @modules java.base/jdk.internal.misc
|
|
* java.compiler
|
|
* java.management
|
|
* jdk.internal.jvmstat/sun.jvmstat.monitor
|
|
* @build sun.hotspot.WhiteBox
|
|
* @run driver 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 jdk.test.lib.Asserts.assertFalse;
|
|
import static jdk.test.lib.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());
|
|
}
|
|
}
|