test/hotspot/jtreg/runtime/CheckUnhandledOops/TestOutOfMemory.java
author coleenp
Thu, 18 Jul 2019 07:06:33 -0400
changeset 55734 51f5b4c29626
permissions -rw-r--r--
8227766: CheckUnhandledOops is broken in MemAllocator Summary: Save oop created in handle more eagerly, so CheckUnhandledOops doesn't bash it. Reviewed-by: lfoltan, eosterlund
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/*
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 * Copyright (c) 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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/*
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 * @test
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 * @bug 8227766
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 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+CheckUnhandledOops -Xmx100m TestOutOfMemory
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 */
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public class TestOutOfMemory {
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    public static void main(java.lang.String[] unused) {
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        final int BIG = 0x100000;
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        // Getting OOM breaks the unhandled oop detector
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        try {
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            int[][] X = new int[BIG][];
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            for (int i = 0; i < BIG; i++) {
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                X[i] = new int[BIG];
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                System.out.println("length = " + X.length);
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            }
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         } catch (OutOfMemoryError oom) {
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            System.out.println("OOM expected");
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         }
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    }
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}