diff -r 4e648a2d8480 -r 7893d1012580 test/hotspot/jtreg/gc/metaspace/TestMetaspaceCMSCancel.java --- a/test/hotspot/jtreg/gc/metaspace/TestMetaspaceCMSCancel.java Thu Nov 14 12:38:31 2019 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,73 +0,0 @@ -/* - * Copyright (c) 2016, 2019, 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. - */ - -package gc.metaspace; -import jdk.test.lib.process.ProcessTools; -import jdk.test.lib.process.OutputAnalyzer; -import jdk.test.lib.Asserts; -import sun.hotspot.WhiteBox; - -/* @test TestMetaspaceCMSCancel - * @bug 8026752 - * @summary Tests cancel of CMS concurrent cycle for Metaspace after a full GC - * @requires vm.gc.ConcMarkSweep & !vm.graal.enabled - * @library /test/lib - * @modules java.base/jdk.internal.misc - * @build sun.hotspot.WhiteBox - * @run driver ClassFileInstaller sun.hotspot.WhiteBox - * @run main/othervm gc.metaspace.TestMetaspaceCMSCancel - */ - - -public class TestMetaspaceCMSCancel { - - public static void main(String[] args) throws Exception { - // Set a small MetaspaceSize so that a CMS concurrent collection will be - // scheduled. Set CMSWaitDuration to 5s so that the concurrent collection - // start may be delayed. It does not guarantee 5s before the start of the - // concurrent collection but does increase the probability that it will - // be started later. System.gc() is used to invoke a full collection. Set - // ExplicitGCInvokesConcurrent to off so it is a STW collection. - ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xbootclasspath/a:.", - "-XX:+UnlockDiagnosticVMOptions", - "-XX:+WhiteBoxAPI", - "-XX:+UseConcMarkSweepGC", - "-XX:MetaspaceSize=2m", - "-XX:CMSWaitDuration=5000", - "-XX:-ExplicitGCInvokesConcurrent", - "-Xlog:gc*=debug", - MetaspaceGCTest.class.getName()); - - OutputAnalyzer output = new OutputAnalyzer(pb.start()); - output.shouldNotContain("Concurrent Reset"); - output.shouldHaveExitValue(0); - } - - static class MetaspaceGCTest { - public static void main(String [] args) { - WhiteBox wb = WhiteBox.getWhiteBox(); - System.gc(); - Asserts.assertFalse(wb.metaspaceShouldConcurrentCollect()); - } - } -}