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Quelle TestShrinkToOneRegion.java Sprache: JAVA |
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/* * Copyright (c) 2013, 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.g1; /* * @test TestShrinkToOneRegion.java * @bug 8013872 * @requires vm.gc.G1 * @summary Shrinking the heap down to one region used to hit an assert * @run main/othervm -XX:+UseG1GC -XX:G1HeapRegionSize=32m -Xmx256m gc.g1.TestShrinkToO * * Doing a System.gc() without having allocated many objects will shrink the heap. * With a large region size we will shrink the heap to one region. */ public class TestShrinkToOneRegion { public static void main(String[] args) { System.gc(); } }
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2026-04-02