jdk-24/test/jdk/java/foreign/TestLargeSegmentCopy.java
Jorn Vernee 32ac72c3d3 8312522: Implementation of Foreign Function & Memory API
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Per Minborg <pminborg@openjdk.org>
Reviewed-by: dholmes, psandoz, mcimadamore, alanb
2023-10-12 19:50:08 +00:00

58 lines
2.0 KiB
Java

/*
* Copyright (c) 2022, 2023, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*
*/
/*
* @test
* @requires sun.arch.data.model == "64"
* @bug 8292851
* @run testng/othervm -Xmx4G TestLargeSegmentCopy
*/
import org.testng.annotations.Test;
import java.lang.foreign.Arena;
import java.lang.foreign.MemorySegment;
import static java.lang.foreign.ValueLayout.JAVA_LONG;
public class TestLargeSegmentCopy {
@Test
public void testLargeSegmentCopy() {
// Make sure the byte size is bigger than Integer.MAX_VALUE
final int longArrayLength = Integer.MAX_VALUE / Long.BYTES + 100;
final long[] array = new long[longArrayLength];
try (var arena = Arena.ofConfined()) {
var segment = arena.allocate((long) longArrayLength * Long.BYTES, Long.SIZE);
// Should not throw an exception or error
MemorySegment.copy(segment, JAVA_LONG, 0, array, 0, longArrayLength);
// Should not throw an exception or error
MemorySegment.copy(array,0, segment, JAVA_LONG, 0, longArrayLength);
}
}
}