1 /*
 2  * Copyright (c) 2022, 2023, 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 /*
26  * @test
27  * @enablePreview
28  * @requires sun.arch.data.model == "64"
29  * @bug 8292851
30  * @run testng/othervm -Xmx4G TestLargeSegmentCopy
31  */
32 
33 import org.testng.annotations.Test;
34 
35 import java.lang.foreign.Arena;
36 import java.lang.foreign.MemorySegment;
37 
38 import static java.lang.foreign.ValueLayout.JAVA_LONG;
39 
40 public class TestLargeSegmentCopy {
41 
42     @Test
43     public void testLargeSegmentCopy() {
44         // Make sure the byte size is bigger than Integer.MAX_VALUE
45         final int longArrayLength = Integer.MAX_VALUE / Long.BYTES + 100;
46         final long[] array = new long[longArrayLength];
47 
48         try (var arena = Arena.ofConfined()) {
49             var segment = arena.allocate((long) longArrayLength * Long.BYTES, Long.SIZE);
50             // Should not throw an exception or error
51             MemorySegment.copy(segment, JAVA_LONG, 0, array, 0, longArrayLength);
52             // Should not throw an exception or error
53             MemorySegment.copy(array,0, segment, JAVA_LONG, 0, longArrayLength);
54         }
55 
56     }
57 
58 }