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annotate jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/TestConstantReflectionProvider.java @ 24234:ea6f94ab283b default tip

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Added tag jvmci-0.36 for changeset 8128b98d4736
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Mon, 18 Sep 2017 18:49:45 +0200
parents 1bbd4a7c274b
children
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1 /*
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2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package jdk.vm.ci.runtime.test;
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24
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25 import static org.junit.Assert.assertEquals;
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26 import static org.junit.Assert.assertFalse;
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27 import static org.junit.Assert.assertNotNull;
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28 import static org.junit.Assert.assertNull;
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29 import static org.junit.Assert.assertTrue;
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30
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31 import java.lang.reflect.Array;
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32 import java.util.List;
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33
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34 import jdk.vm.ci.meta.ConstantReflectionProvider;
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35 import jdk.vm.ci.meta.JavaConstant;
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36 import jdk.vm.ci.meta.JavaKind;
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37
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38 import org.junit.Test;
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39
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40 /**
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41 * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that
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42 * actually returns non-null results for access operations that are possible, i.e., the tests will
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43 * fail for an implementation that spuriously returns null (which is allowed by the specification).
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44 */
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45 public class TestConstantReflectionProvider extends TypeUniverse {
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46
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47 @Test
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48 public void constantEqualsTest() {
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49 for (ConstantValue c1 : constants()) {
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50 for (ConstantValue c2 : constants()) {
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51 // test symmetry
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52 assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value));
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53 if (c1.value.getJavaKind() != JavaKind.Object && c2.value.getJavaKind() != JavaKind.Object) {
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54 assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value));
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55 }
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56 }
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57 }
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58 }
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59
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60 @Test
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61 public void readArrayLengthTest() {
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62 for (ConstantValue cv : constants()) {
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63 JavaConstant c = cv.value;
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64 Integer actual = constantReflection.readArrayLength(c);
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65 if (c.getJavaKind() != JavaKind.Object || c.isNull() || !cv.boxed.getClass().isArray()) {
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66 assertNull(actual);
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67 } else {
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68 assertNotNull(actual);
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69 int actualInt = actual;
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70 assertEquals(Array.getLength(cv.boxed), actualInt);
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71 }
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72 }
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73 }
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74
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75 static class PrimitiveConstants {
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76 static final long LONG_CONST = 42;
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77 static final int INT_CONST = 66;
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78 static final byte BYTE_CONST = 123;
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79 static final boolean BOOL_CONST = true;
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80 }
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81
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82 static class BoxedConstants {
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83 static final Long LONG_CONST = 42L;
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84 static final Integer INT_CONST = 66;
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85 static final Byte BYTE_CONST = 123;
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86 static final Boolean BOOL_CONST = true;
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87 }
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88
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89 @Test
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90 public void boxTest() {
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91 for (ConstantValue cv : constants()) {
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92 JavaConstant c = cv.value;
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93 JavaConstant boxed = constantReflection.boxPrimitive(c);
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94 if (boxed != null && c.getJavaKind().isPrimitive()) {
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95 assertTrue(boxed.getJavaKind().isObject());
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96 assertFalse(boxed.isNull());
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97 }
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98 }
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99
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100 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class);
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101 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class);
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102 for (int i = 0; i < primitiveConstants.size(); i++) {
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103 ConstantValue prim = primitiveConstants.get(i);
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104 ConstantValue box = boxedConstants.get(i);
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105 assertEquals(box.value, constantReflection.boxPrimitive(prim.value));
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106 }
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107
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108 assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER));
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109 }
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110
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111 @Test
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112 public void unboxTest() {
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113 for (ConstantValue cv : constants()) {
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114 JavaConstant c = cv.value;
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115 JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c);
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116 if (unboxed != null) {
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117 assertFalse(unboxed.getJavaKind().isObject());
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118 }
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119 }
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120 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class);
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121 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class);
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122 for (int i = 0; i < primitiveConstants.size(); i++) {
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123 ConstantValue prim = primitiveConstants.get(i);
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124 ConstantValue box = boxedConstants.get(i);
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125 assert prim.getSimpleName().equals(box.getSimpleName());
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126 assertEquals(prim.value, constantReflection.unboxPrimitive(box.value));
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127 }
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db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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128
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ca81508f2a19 Generalize NULL handling to work on arbitrary pointers.
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129 assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER));
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130 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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131 }