Mercurial > hg > graal-compiler
comparison test/gc/g1/TestShrinkToOneRegion.java @ 10242:b0d20fa374b4
8013872: G1: HeapRegionSeq::shrink_by() has invalid assert
Summary: Refactored shrink_by() to only use region counts and not byte sizes
Reviewed-by: johnc, tschatzl
author | brutisso |
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date | Mon, 06 May 2013 21:30:34 +0200 |
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10241:d17700c82d7d | 10242:b0d20fa374b4 |
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1 /* | |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
25 * @test TestShrinkToOneRegion.java | |
26 * @bug 8013872 | |
27 * @summary Shrinking the heap down to one region used to hit an assert | |
28 * @run main/othervm -XX:+UseG1GC -XX:G1HeapRegionSize=32m -Xmx256m TestShrinkToOneRegion | |
29 * | |
30 * Doing a System.gc() without having allocated many objects will shrink the heap. | |
31 * With a large region size we will shrink the heap to one region. | |
32 */ | |
33 public class TestShrinkToOneRegion { | |
34 public static void main(String[] args) { | |
35 System.gc(); | |
36 } | |
37 } |