32ac72c3d3
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
58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
/*
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* Copyright (c) 2022, 2023, 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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/*
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* @test
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* @requires sun.arch.data.model == "64"
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* @bug 8292851
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* @run testng/othervm -Xmx4G TestLargeSegmentCopy
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*/
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import org.testng.annotations.Test;
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import java.lang.foreign.Arena;
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import java.lang.foreign.MemorySegment;
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import static java.lang.foreign.ValueLayout.JAVA_LONG;
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public class TestLargeSegmentCopy {
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@Test
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public void testLargeSegmentCopy() {
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// Make sure the byte size is bigger than Integer.MAX_VALUE
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final int longArrayLength = Integer.MAX_VALUE / Long.BYTES + 100;
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final long[] array = new long[longArrayLength];
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try (var arena = Arena.ofConfined()) {
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var segment = arena.allocate((long) longArrayLength * Long.BYTES, Long.SIZE);
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// Should not throw an exception or error
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MemorySegment.copy(segment, JAVA_LONG, 0, array, 0, longArrayLength);
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// Should not throw an exception or error
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MemorySegment.copy(array,0, segment, JAVA_LONG, 0, longArrayLength);
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}
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}
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}
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