1 /* 2 * Copyright (c) 2012, 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" 27 * @compile TestConstantReflectionProvider.java TypeUniverse.java TestMetaAccessProvider.java 28 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.runtime.test.TestConstantReflectionProvider 29 */ 30 31 package jdk.vm.ci.runtime.test; 32 33 import static org.junit.Assert.*; 34 35 import java.lang.reflect.*; 36 import java.util.*; 37 38 import jdk.vm.ci.meta.*; 39 40 import org.junit.*; 41 42 /** 43 * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that 44 * actually returns non-null results for access operations that are possible, i.e., the tests will 45 * fail for an implementation that spuriously returns null (which is allowed by the specification). 46 */ 47 public class TestConstantReflectionProvider extends TypeUniverse { 48 49 @Test 50 public void constantEqualsTest() { 51 for (ConstantValue c1 : constants()) { 52 for (ConstantValue c2 : constants()) { 53 // test symmetry 54 assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value)); 55 if (c1.value.getJavaKind() != JavaKind.Object && c2.value.getJavaKind() != JavaKind.Object) { 56 assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value)); 57 } 58 } 59 } 60 } 61 62 @Test 63 public void readArrayLengthTest() { 64 for (ConstantValue cv : constants()) { 65 JavaConstant c = cv.value; 66 Integer actual = constantReflection.readArrayLength(c); 67 if (c.getJavaKind() != JavaKind.Object || c.isNull() || !cv.boxed.getClass().isArray()) { 68 assertNull(actual); 69 } else { 70 assertNotNull(actual); 71 int actualInt = actual; 72 assertEquals(Array.getLength(cv.boxed), actualInt); 73 } 74 } 75 } 76 77 static class PrimitiveConstants { 78 static final long LONG_CONST = 42; 79 static final int INT_CONST = 66; 80 static final byte BYTE_CONST = 123; 81 static final boolean BOOL_CONST = true; 82 } 83 84 static class BoxedConstants { 85 static final Long LONG_CONST = 42L; 86 static final Integer INT_CONST = 66; 87 static final Byte BYTE_CONST = 123; 88 static final Boolean BOOL_CONST = true; 89 } 90 91 @Test 92 public void boxTest() { 93 for (ConstantValue cv : constants()) { 94 JavaConstant c = cv.value; 95 JavaConstant boxed = constantReflection.boxPrimitive(c); 96 if (boxed != null && c.getJavaKind().isPrimitive()) { 97 assertTrue(boxed.getJavaKind().isObject()); 98 assertFalse(boxed.isNull()); 99 } 100 } 101 102 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); 103 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); 104 for (int i = 0; i < primitiveConstants.size(); i++) { 105 ConstantValue prim = primitiveConstants.get(i); 106 ConstantValue box = boxedConstants.get(i); 107 assertEquals(box.value, constantReflection.boxPrimitive(prim.value)); 108 } 109 110 assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER)); 111 } 112 113 @Test 114 public void unboxTest() { 115 for (ConstantValue cv : constants()) { 116 JavaConstant c = cv.value; 117 JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c); 118 if (unboxed != null) { 119 assertFalse(unboxed.getJavaKind().isObject()); 120 } 121 } 122 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); 123 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); 124 for (int i = 0; i < primitiveConstants.size(); i++) { 125 ConstantValue prim = primitiveConstants.get(i); 126 ConstantValue box = boxedConstants.get(i); 127 assert prim.getSimpleName().equals(box.getSimpleName()); 128 assertEquals(prim.value, constantReflection.unboxPrimitive(box.value)); 129 } 130 131 assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER)); 132 } 133 }