41 lines
1.5 KiB
Java
41 lines
1.5 KiB
Java
/*
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* Copyright (c) 2013, 2019, 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 TestShrinkToOneRegion.java
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* @bug 8013872
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* @requires vm.gc.G1
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* @summary Shrinking the heap down to one region used to hit an assert
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* @run main/othervm -XX:+UseG1GC -XX:G1HeapRegionSize=32m -Xmx256m gc.g1.TestShrinkToOneRegion
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*
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* Doing a System.gc() without having allocated many objects will shrink the heap.
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* With a large region size we will shrink the heap to one region.
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*/
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public class TestShrinkToOneRegion {
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public static void main(String[] args) {
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System.gc();
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}
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}
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