Mercurial > hg > truffle
annotate test/gc/g1/TestShrinkToOneRegion.java @ 13163:1baa169508f5
made DebugScope be AutoCloseable so that try-with-resource can be used to more cleanly manage scopes
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 Nov 2013 18:42:51 +0100 |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test TestShrinkToOneRegion.java |
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26 * @bug 8013872 |
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27 * @summary Shrinking the heap down to one region used to hit an assert |
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28 * @run main/othervm -XX:+UseG1GC -XX:G1HeapRegionSize=32m -Xmx256m TestShrinkToOneRegion |
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29 * |
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30 * Doing a System.gc() without having allocated many objects will shrink the heap. |
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31 * With a large region size we will shrink the heap to one region. |
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32 */ |
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33 public class TestShrinkToOneRegion { |
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34 public static void main(String[] args) { |
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35 System.gc(); |
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36 } |
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37 } |