112 lines
4.1 KiB
Java
112 lines
4.1 KiB
Java
/*
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* Copyright (c) 2020, 2022, 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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* @enablePreview
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* @modules java.base/jdk.internal.foreign
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* @run testng TestLayoutEquality
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*/
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import java.lang.foreign.MemoryAddress;
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import java.lang.foreign.ValueLayout;
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import jdk.internal.foreign.PlatformLayouts;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.List;
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import static java.lang.foreign.ValueLayout.ADDRESS;
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import static java.lang.foreign.ValueLayout.JAVA_BOOLEAN;
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import static java.lang.foreign.ValueLayout.JAVA_BYTE;
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import static java.lang.foreign.ValueLayout.JAVA_CHAR;
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import static java.lang.foreign.ValueLayout.JAVA_DOUBLE;
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import static java.lang.foreign.ValueLayout.JAVA_FLOAT;
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import static java.lang.foreign.ValueLayout.JAVA_INT;
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import static java.lang.foreign.ValueLayout.JAVA_LONG;
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import static java.lang.foreign.ValueLayout.JAVA_SHORT;
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import static org.testng.Assert.*;
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public class TestLayoutEquality {
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@Test(dataProvider = "layoutConstants")
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public void testReconstructedEquality(ValueLayout layout) {
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ValueLayout newLayout = valueLayoutForCarrier(layout.carrier());
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newLayout = newLayout.withBitAlignment(layout.bitAlignment());
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newLayout = newLayout.withOrder(layout.order());
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// properties should be equal
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assertEquals(newLayout.bitSize(), layout.bitSize());
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assertEquals(newLayout.bitAlignment(), layout.bitAlignment());
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assertEquals(newLayout.name(), layout.name());
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// layouts should be equals
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assertEquals(newLayout, layout);
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}
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@DataProvider
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public static Object[][] layoutConstants() throws ReflectiveOperationException {
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List<ValueLayout> testValues = new ArrayList<>();
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addLayoutConstants(testValues, PlatformLayouts.SysV.class);
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addLayoutConstants(testValues, PlatformLayouts.Win64.class);
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addLayoutConstants(testValues, PlatformLayouts.AArch64.class);
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return testValues.stream().map(e -> new Object[]{ e }).toArray(Object[][]::new);
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}
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private static void addLayoutConstants(List<ValueLayout> testValues, Class<?> cls) throws ReflectiveOperationException {
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for (Field f : cls.getFields()) {
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if (f.getName().startsWith("C_"))
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testValues.add((ValueLayout) f.get(null));
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}
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}
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static ValueLayout valueLayoutForCarrier(Class<?> carrier) {
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if (carrier == boolean.class) {
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return JAVA_BOOLEAN;
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} else if (carrier == char.class) {
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return JAVA_CHAR;
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} else if (carrier == byte.class) {
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return JAVA_BYTE;
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} else if (carrier == short.class) {
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return JAVA_SHORT;
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} else if (carrier == int.class) {
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return JAVA_INT;
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} else if (carrier == long.class) {
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return JAVA_LONG;
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} else if (carrier == float.class) {
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return JAVA_FLOAT;
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} else if (carrier == double.class) {
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return JAVA_DOUBLE;
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} else if (carrier == MemoryAddress.class) {
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return ADDRESS;
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} else {
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throw new UnsupportedOperationException();
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}
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}
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}
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