test/hotspot/jtreg/gc/ArraySize.java
author jwilhelm
Fri, 15 Mar 2019 18:59:21 +0100
changeset 54149 c61f09122d3b
parent 54142 6ab293f66cae
permissions -rw-r--r--
8220704: ZGC: gc tests complain Java heap too small Reviewed-by: iignatyev, tschatzl
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/*
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 * Copyright (c) 2018, 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 4063078
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 * @summary Allocating a ridiculously large array should not crash the VM
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 * @run main/othervm -Xmx128m -Xms32m gc.ArraySize
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 */
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package gc;
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public class ArraySize {
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    public static void main(String[] args) throws Exception {
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        boolean thrown = false;
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        try {
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            byte[] buf = new byte[Integer.MAX_VALUE - 1];
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            System.out.print(buf[0]);
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        } catch (OutOfMemoryError x) {
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            thrown = true;
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        }
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        if (! thrown) {
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            throw new Exception("Didn't throw expected OutOfMemoryError");
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        }
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    }
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}