TestConstantReflectionProvider.java revision 12651:6ef01bd40ce2
1234353Sdim/* 2224133Sdim * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved. 3224133Sdim * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4224133Sdim * 5224133Sdim * This code is free software; you can redistribute it and/or modify it 6224133Sdim * under the terms of the GNU General Public License version 2 only, as 7224133Sdim * published by the Free Software Foundation. 8224133Sdim * 9224133Sdim * This code is distributed in the hope that it will be useful, but WITHOUT 10224133Sdim * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11224133Sdim * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12224133Sdim * version 2 for more details (a copy is included in the LICENSE file that 13224133Sdim * accompanied this code). 14224133Sdim * 15249423Sdim * You should have received a copy of the GNU General Public License version 16224133Sdim * 2 along with this work; if not, write to the Free Software Foundation, 17226633Sdim * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18224133Sdim * 19224133Sdim * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20224133Sdim * or visit www.oracle.com if you need additional information or have any 21226633Sdim * questions. 22224133Sdim */ 23224133Sdim 24224133Sdim/** 25224133Sdim * @test 26224133Sdim * @requires vm.jvmci 27224133Sdim * @library ../../../../../ 28224133Sdim * @modules jdk.internal.vm.ci/jdk.vm.ci.meta 29224133Sdim * jdk.internal.vm.ci/jdk.vm.ci.runtime 30224133Sdim * java.base/jdk.internal.misc 31224133Sdim * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.runtime.test.TestConstantReflectionProvider 32224133Sdim */ 33224133Sdim 34224133Sdimpackage jdk.vm.ci.runtime.test; 35224133Sdim 36224133Sdimimport jdk.vm.ci.meta.ConstantReflectionProvider; 37224133Sdimimport jdk.vm.ci.meta.JavaConstant; 38224133Sdimimport jdk.vm.ci.meta.JavaKind; 39224133Sdimimport org.junit.Test; 40226633Sdim 41226633Sdimimport java.lang.reflect.Array; 42226633Sdimimport java.util.List; 43226633Sdim 44224133Sdimimport static org.junit.Assert.assertEquals; 45224133Sdimimport static org.junit.Assert.assertFalse; 46224133Sdimimport static org.junit.Assert.assertNotNull; 47224133Sdimimport static org.junit.Assert.assertNull; 48224133Sdimimport static org.junit.Assert.assertTrue; 49224133Sdim 50224133Sdim/** 51224133Sdim * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that 52224133Sdim * actually returns non-null results for access operations that are possible, i.e., the tests will 53226633Sdim * fail for an implementation that spuriously returns null (which is allowed by the specification). 54234353Sdim */ 55234353Sdimpublic class TestConstantReflectionProvider extends TypeUniverse { 56226633Sdim 57234353Sdim @Test 58226633Sdim public void constantEqualsTest() { 59226633Sdim for (ConstantValue c1 : constants()) { 60226633Sdim for (ConstantValue c2 : constants()) { 61226633Sdim // test symmetry 62226633Sdim assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value)); 63226633Sdim if (c1.value.getJavaKind() != JavaKind.Object && c2.value.getJavaKind() != JavaKind.Object) { 64234353Sdim assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value)); 65234353Sdim } 66226633Sdim } 67226633Sdim } 68234353Sdim } 69226633Sdim 70226633Sdim @Test 71226633Sdim public void readArrayLengthTest() { 72226633Sdim for (ConstantValue cv : constants()) { 73226633Sdim JavaConstant c = cv.value; 74226633Sdim Integer actual = constantReflection.readArrayLength(c); 75226633Sdim if (c.getJavaKind() != JavaKind.Object || c.isNull() || !cv.boxed.getClass().isArray()) { 76226633Sdim assertNull(actual); 77226633Sdim } else { 78226633Sdim assertNotNull(actual); 79226633Sdim int actualInt = actual; 80226633Sdim assertEquals(Array.getLength(cv.boxed), actualInt); 81226633Sdim } 82226633Sdim } 83226633Sdim } 84226633Sdim 85226633Sdim static class PrimitiveConstants { 86226633Sdim static final long LONG_CONST = 42; 87226633Sdim static final int INT_CONST = 66; 88224133Sdim static final byte BYTE_CONST = 123; 89224133Sdim static final boolean BOOL_CONST = true; 90224133Sdim } 91226633Sdim 92226633Sdim static class BoxedConstants { 93226633Sdim static final Long LONG_CONST = 42L; 94224133Sdim static final Integer INT_CONST = 66; 95 static final Byte BYTE_CONST = 123; 96 static final Boolean BOOL_CONST = true; 97 } 98 99 @Test 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 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