1 /* 2 * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @requires vm.jvmci 27 * @library ../../../../../ 28 * @modules jdk.internal.vm.ci/jdk.vm.ci.meta 29 * jdk.internal.vm.ci/jdk.vm.ci.runtime 30 * java.base/jdk.internal.misc 31 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler jdk.vm.ci.runtime.test.TestConstantReflectionProvider 32 */ 33 34 package jdk.vm.ci.runtime.test; 35 36 import jdk.vm.ci.meta.ConstantReflectionProvider; 37 import jdk.vm.ci.meta.JavaConstant; 38 import jdk.vm.ci.meta.JavaKind; 39 import org.junit.Test; 40 41 import java.lang.reflect.Array; 42 import java.util.List; 43 44 import static org.junit.Assert.assertEquals; 45 import static org.junit.Assert.assertFalse; 46 import static org.junit.Assert.assertNotNull; 47 import static org.junit.Assert.assertNull; 48 import static org.junit.Assert.assertTrue; 49 50 /** 51 * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that 52 * actually returns non-null results for access operations that are possible, i.e., the tests will 53 * fail for an implementation that spuriously returns null (which is allowed by the specification). 54 */ 55 public class TestConstantReflectionProvider extends TypeUniverse { 56 57 @Test constantEqualsTest()58 public void constantEqualsTest() { 59 for (ConstantValue c1 : constants()) { 60 for (ConstantValue c2 : constants()) { 61 // test symmetry 62 assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value)); 63 if (c1.value.getJavaKind() != JavaKind.Object && c2.value.getJavaKind() != JavaKind.Object) { 64 assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value)); 65 } 66 } 67 } 68 } 69 70 @Test readArrayLengthTest()71 public void readArrayLengthTest() { 72 for (ConstantValue cv : constants()) { 73 JavaConstant c = cv.value; 74 Integer actual = constantReflection.readArrayLength(c); 75 if (c.getJavaKind() != JavaKind.Object || c.isNull() || !cv.boxed.getClass().isArray()) { 76 assertNull(actual); 77 } else { 78 assertNotNull(actual); 79 int actualInt = actual; 80 assertEquals(Array.getLength(cv.boxed), actualInt); 81 } 82 } 83 } 84 85 static class PrimitiveConstants { 86 static final long LONG_CONST = 42; 87 static final int INT_CONST = 66; 88 static final byte BYTE_CONST = 123; 89 static final boolean BOOL_CONST = true; 90 } 91 92 static class BoxedConstants { 93 static final Long LONG_CONST = 42L; 94 static final Integer INT_CONST = 66; 95 static final Byte BYTE_CONST = 123; 96 static final Boolean BOOL_CONST = true; 97 } 98 99 @Test boxTest()100 public void boxTest() { 101 for (ConstantValue cv : constants()) { 102 JavaConstant c = cv.value; 103 JavaConstant boxed = constantReflection.boxPrimitive(c); 104 if (boxed != null && c.getJavaKind().isPrimitive()) { 105 assertTrue(boxed.getJavaKind().isObject()); 106 assertFalse(boxed.isNull()); 107 } 108 } 109 110 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); 111 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); 112 for (int i = 0; i < primitiveConstants.size(); i++) { 113 ConstantValue prim = primitiveConstants.get(i); 114 ConstantValue box = boxedConstants.get(i); 115 assertEquals(box.value, constantReflection.boxPrimitive(prim.value)); 116 } 117 118 assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER)); 119 } 120 121 @Test unboxTest()122 public void unboxTest() { 123 for (ConstantValue cv : constants()) { 124 JavaConstant c = cv.value; 125 JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c); 126 if (unboxed != null) { 127 assertFalse(unboxed.getJavaKind().isObject()); 128 } 129 } 130 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); 131 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); 132 for (int i = 0; i < primitiveConstants.size(); i++) { 133 ConstantValue prim = primitiveConstants.get(i); 134 ConstantValue box = boxedConstants.get(i); 135 assert prim.getSimpleName().equals(box.getSimpleName()); 136 assertEquals(prim.value, constantReflection.unboxPrimitive(box.value)); 137 } 138 139 assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER)); 140 } 141 } 142