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
62 lines
2.5 KiB
Java
62 lines
2.5 KiB
Java
/*
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* Copyright (c) 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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/* @test
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* @bug 8307508
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* @run junit IndirectVarHandleTest
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* @summary Test VarHandle::isAccessModeSupported on indirect VarHandle
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* produced by MethodHandles.filterCoordinates
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*/
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import org.junit.jupiter.api.Test;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.lang.invoke.VarHandle;
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import java.util.function.IntUnaryOperator;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class IndirectVarHandleTest {
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@Test
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public void testIsAccessModeTypeSupported() throws Throwable {
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var lookup = MethodHandles.lookup();
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var intArrayVh = MethodHandles.arrayElementVarHandle(int[].class);
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var addOne = lookup.bind((IntUnaryOperator) a -> a + 1, "applyAsInt",
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MethodType.methodType(int.class, int.class));
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var offsetIntArrayVh = MethodHandles.filterCoordinates(intArrayVh, 1, addOne);
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for (var mode : VarHandle.AccessMode.values()) {
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assertEquals(intArrayVh.isAccessModeSupported(mode),
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offsetIntArrayVh.isAccessModeSupported(mode), mode.toString());
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}
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var stringArrayVh = MethodHandles.arrayElementVarHandle(String[].class);
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var offsetStringArrayVh = MethodHandles.filterCoordinates(stringArrayVh, 1, addOne);
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for (var mode : VarHandle.AccessMode.values()) {
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assertEquals(stringArrayVh.isAccessModeSupported(mode),
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offsetStringArrayVh.isAccessModeSupported(mode), mode.toString());
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}
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}
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}
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