| /* |
| * Copyright (c) 2012, 2016, 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 vm.jvmci |
| * @library ../../../../../ |
| * @modules jdk.vm.ci/jdk.vm.ci.meta |
| * jdk.vm.ci/jdk.vm.ci.runtime |
| * java.base/jdk.internal.misc |
| * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.runtime.test.TestConstantReflectionProvider |
| */ |
| |
| package jdk.vm.ci.runtime.test; |
| |
| import jdk.vm.ci.meta.ConstantReflectionProvider; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.JavaKind; |
| import org.junit.Test; |
| |
| import java.lang.reflect.Array; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that |
| * actually returns non-null results for access operations that are possible, i.e., the tests will |
| * fail for an implementation that spuriously returns null (which is allowed by the specification). |
| */ |
| public class TestConstantReflectionProvider extends TypeUniverse { |
| |
| @Test |
| public void constantEqualsTest() { |
| for (ConstantValue c1 : constants()) { |
| for (ConstantValue c2 : constants()) { |
| // test symmetry |
| assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value)); |
| if (c1.value.getJavaKind() != JavaKind.Object && c2.value.getJavaKind() != JavaKind.Object) { |
| assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value)); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void readArrayLengthTest() { |
| for (ConstantValue cv : constants()) { |
| JavaConstant c = cv.value; |
| Integer actual = constantReflection.readArrayLength(c); |
| if (c.getJavaKind() != JavaKind.Object || c.isNull() || !cv.boxed.getClass().isArray()) { |
| assertNull(actual); |
| } else { |
| assertNotNull(actual); |
| int actualInt = actual; |
| assertEquals(Array.getLength(cv.boxed), actualInt); |
| } |
| } |
| } |
| |
| static class PrimitiveConstants { |
| static final long LONG_CONST = 42; |
| static final int INT_CONST = 66; |
| static final byte BYTE_CONST = 123; |
| static final boolean BOOL_CONST = true; |
| } |
| |
| static class BoxedConstants { |
| static final Long LONG_CONST = 42L; |
| static final Integer INT_CONST = 66; |
| static final Byte BYTE_CONST = 123; |
| static final Boolean BOOL_CONST = true; |
| } |
| |
| @Test |
| public void boxTest() { |
| for (ConstantValue cv : constants()) { |
| JavaConstant c = cv.value; |
| JavaConstant boxed = constantReflection.boxPrimitive(c); |
| if (boxed != null && c.getJavaKind().isPrimitive()) { |
| assertTrue(boxed.getJavaKind().isObject()); |
| assertFalse(boxed.isNull()); |
| } |
| } |
| |
| List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); |
| List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); |
| for (int i = 0; i < primitiveConstants.size(); i++) { |
| ConstantValue prim = primitiveConstants.get(i); |
| ConstantValue box = boxedConstants.get(i); |
| assertEquals(box.value, constantReflection.boxPrimitive(prim.value)); |
| } |
| |
| assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER)); |
| } |
| |
| @Test |
| public void unboxTest() { |
| for (ConstantValue cv : constants()) { |
| JavaConstant c = cv.value; |
| JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c); |
| if (unboxed != null) { |
| assertFalse(unboxed.getJavaKind().isObject()); |
| } |
| } |
| List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); |
| List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); |
| for (int i = 0; i < primitiveConstants.size(); i++) { |
| ConstantValue prim = primitiveConstants.get(i); |
| ConstantValue box = boxedConstants.get(i); |
| assert prim.getSimpleName().equals(box.getSimpleName()); |
| assertEquals(prim.value, constantReflection.unboxPrimitive(box.value)); |
| } |
| |
| assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER)); |
| } |
| } |