/* * 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 * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * @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); } } }