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/*
* Copyright (c) 2020, 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
* @enablePreview
* @compile platform/PlatformLayouts.java
* @modules java.base/jdk.internal.foreign.abi
* @modules java.base/jdk.internal.foreign.layout
* @run testng TestLayoutEquality
*/
import java.lang.foreign.AddressLayout;
import java.lang.foreign.ValueLayout;
import jdk.internal.foreign.layout.ValueLayouts;
import platform.PlatformLayouts;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import static org.testng.Assert.*;
public class TestLayoutEquality {
@Test(dataProvider = "layoutConstants")
public void testReconstructedEquality(ValueLayout layout) {
ValueLayout newLayout = ValueLayouts.valueLayout(layout.carrier(), layout.order());
newLayout = newLayout.withByteAlignment(layout.byteAlignment());
if (layout instanceof AddressLayout addressLayout && addressLayout.targetLayout().isPresent()) {
newLayout = ((AddressLayout)newLayout).withTargetLayout(addressLayout.targetLayout().get());
}
// properties should be equal
assertEquals(newLayout.byteSize(), layout.byteSize());
assertEquals(newLayout.byteAlignment(), layout.byteAlignment());
assertEquals(newLayout.name(), layout.name());
// layouts should be equals
assertEquals(newLayout, layout);
}
@DataProvider
public static Object[][] layoutConstants() throws ReflectiveOperationException {
List<ValueLayout> testValues = new ArrayList<>();
addLayoutConstants(testValues, PlatformLayouts.SysV.class);
addLayoutConstants(testValues, PlatformLayouts.Win64.class);
addLayoutConstants(testValues, PlatformLayouts.AArch64.class);
addLayoutConstants(testValues, PlatformLayouts.RISCV64.class);
return testValues.stream().map(e -> new Object[]{ e }).toArray(Object[][]::new);
}
private static void addLayoutConstants(List<ValueLayout> testValues, Class<?> cls) throws ReflectiveOperationException {
for (Field f : cls.getFields()) {
if (f.getName().startsWith("C_"))
testValues.add((ValueLayout) f.get(null));
}
}
}
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