Mercurial > hg > graal-compiler
diff test/compiler/6892265/Test.java @ 1334:b5d78a3b8843
6892265: System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes
Summary: Use size_t type cast to widen int values in typeArrayKlass::copy_array().
Reviewed-by: never, jcoomes
author | kvn |
---|---|
date | Thu, 03 Dec 2009 14:20:22 -0800 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6892265/Test.java Thu Dec 03 14:20:22 2009 -0800 @@ -0,0 +1,65 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +/** + * @test + * @bug 6892265 + * @summary System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes + * + * @run main/othervm Test + */ + +public class Test { + static final int NCOPY = 1; + static final int OVERFLOW = 1; + static int[] src2 = new int[NCOPY]; + static int[] dst2; + + static void test() { + int N; + int SIZE; + + N = Integer.MAX_VALUE/4 + OVERFLOW; + System.arraycopy(src2, 0, dst2, N, NCOPY); + System.arraycopy(dst2, N, src2, 0, NCOPY); + } + + public static void main(String[] args) { + try { + dst2 = new int[NCOPY + Integer.MAX_VALUE/4 + OVERFLOW]; + } catch (OutOfMemoryError e) { + System.exit(95); // Not enough memory + } + System.out.println("warmup"); + for (int i=0; i <11000; i++) { + test(); + } + System.out.println("start"); + for (int i=0; i <1000; i++) { + test(); + } + System.out.println("finish"); + } + +}