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test/compiler/6892265/Test.java@aed8bf036ce2 (annotated)

test/compiler/6892265/Test.java

Fri, 02 Dec 2011 15:11:40 -0800

author

jcoomes

date

Fri, 02 Dec 2011 15:11:40 -0800

changeset 3301

aed8bf036ce2

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Added tag hs23-b07 for changeset 6de8c9ba5907

kvn@1769	1	/*
trims@1907	2	* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
kvn@1769	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
kvn@1769	4	*
kvn@1769	5	* This code is free software; you can redistribute it and/or modify it
kvn@1769	6	* under the terms of the GNU General Public License version 2 only, as
kvn@1769	7	* published by the Free Software Foundation.
kvn@1769	8	*
kvn@1769	9	* This code is distributed in the hope that it will be useful, but WITHOUT
kvn@1769	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kvn@1769	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
kvn@1769	12	* version 2 for more details (a copy is included in the LICENSE file that
kvn@1769	13	* accompanied this code).
kvn@1769	14	*
kvn@1769	15	* You should have received a copy of the GNU General Public License version
kvn@1769	16	* 2 along with this work; if not, write to the Free Software Foundation,
kvn@1769	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
kvn@1769	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
kvn@1769	22	*
kvn@1769	23	*/
kvn@1769	24
kvn@1769	25	/**
kvn@1769	26	* @test
kvn@1769	27	* @bug 6892265
kvn@1769	28	* @summary System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes
kvn@1769	29	*
kvn@1769	30	* @run main/othervm Test
kvn@1769	31	*/
kvn@1769	32
kvn@1769	33	public class Test {
kvn@1769	34	static final int NCOPY = 1;
kvn@1769	35	static final int OVERFLOW = 1;
kvn@1769	36	static int[] src2 = new int[NCOPY];
kvn@1769	37	static int[] dst2;
kvn@1769	38
kvn@1769	39	static void test() {
kvn@1769	40	int N;
kvn@1769	41	int SIZE;
kvn@1769	42
kvn@1769	43	N = Integer.MAX_VALUE/4 + OVERFLOW;
kvn@1769	44	System.arraycopy(src2, 0, dst2, N, NCOPY);
kvn@1769	45	System.arraycopy(dst2, N, src2, 0, NCOPY);
kvn@1769	46	}
kvn@1769	47
kvn@1769	48	public static void main(String[] args) {
kvn@1769	49	try {
kvn@1769	50	dst2 = new int[NCOPY + Integer.MAX_VALUE/4 + OVERFLOW];
kvn@1769	51	} catch (OutOfMemoryError e) {
kvn@1769	52	System.exit(95); // Not enough memory
kvn@1769	53	}
kvn@1769	54	System.out.println("warmup");
kvn@1769	55	for (int i=0; i <11000; i++) {
kvn@1769	56	test();
kvn@1769	57	}
kvn@1769	58	System.out.println("start");
kvn@1769	59	for (int i=0; i <1000; i++) {
kvn@1769	60	test();
kvn@1769	61	}
kvn@1769	62	System.out.println("finish");
kvn@1769	63	}
kvn@1769	64
kvn@1769	65	}