56 lines
2.0 KiB
Java
56 lines
2.0 KiB
Java
/*
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* Copyright (c) 2018, 2020, 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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package gc.g1;
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/*
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* @test TestConcurrentSystemGC
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* @bug 8195158
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* @summary Test that a System.gc() with -XX:+ExplicitGCInvokesConcurrent
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* is *not* upgraded to STW full GC
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* @requires vm.gc.G1
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -Xmx8m -Xms8m -XX:G1HeapRegionSize=1m gc.g1.TestConcurrentSystemGC
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*/
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import java.util.ArrayList;
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import java.util.List;
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public class TestConcurrentSystemGC {
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public static List<char[]> memory;
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public static void main(String[] args) throws Exception {
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memory = new ArrayList<>();
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try {
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while (true) {
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memory.add(new char[1024 * 128]);
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System.gc(); // should not trigger any assertions
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}
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} catch (OutOfMemoryError e) {
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memory = null;
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System.gc();
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}
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}
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}
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