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annotate graal/com.oracle.graal.api.meta.test/src/com/oracle/graal/api/meta/test/TestResolvedJavaMethod.java @ 16489:db92d4a1564a

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fixed minor regression
author Doug Simon <doug.simon@oracle.com>
date Thu, 10 Jul 2014 23:50:09 +0200
parents d6604020da93
children 2d01369ee234
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1 /*
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2 * Copyright (c) 2012, 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 com.oracle.graal.api.meta.test;
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24
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25 import static org.junit.Assert.*;
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26
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27 import java.lang.annotation.*;
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28 import java.lang.reflect.*;
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29 import java.util.*;
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30
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31 import org.junit.*;
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32
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33 import com.oracle.graal.api.meta.*;
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34
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35 /**
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36 * Tests for {@link ResolvedJavaMethod}.
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37 */
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38 public class TestResolvedJavaMethod extends MethodUniverse {
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39
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40 public TestResolvedJavaMethod() {
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41 }
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42
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43 /**
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44 * @see ResolvedJavaMethod#getCode()
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45 */
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46 @Test
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47 public void getCodeTest() {
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48 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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49 ResolvedJavaMethod m = e.getValue();
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50 byte[] code = m.getCode();
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51 if (code == null) {
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52 assertTrue(m.getCodeSize() == 0);
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53 } else {
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54 if (m.isAbstract()) {
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55 assertTrue(code.length == 0);
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56 } else if (!m.isNative()) {
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57 assertTrue(code.length > 0);
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58 }
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59 }
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60 }
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61 }
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62
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63 /**
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64 * @see ResolvedJavaMethod#getCodeSize()
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65 */
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66 @Test
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67 public void getCodeSizeTest() {
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68 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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69 ResolvedJavaMethod m = e.getValue();
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70 int codeSize = m.getCodeSize();
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71 if (m.isAbstract()) {
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72 assertTrue(codeSize == 0);
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73 } else if (!m.isNative()) {
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74 assertTrue(codeSize > 0);
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75 }
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76 }
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77 }
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78
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79 @Test
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80 public void getModifiersTest() {
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81 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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82 ResolvedJavaMethod m = e.getValue();
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83 int expected = e.getKey().getModifiers() & Modifier.methodModifiers();
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84 int actual = m.getModifiers();
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85 assertEquals(expected, actual);
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86 }
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87 }
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88
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89 /**
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90 * @see ResolvedJavaMethod#isClassInitializer()
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91 */
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92 @Test
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93 public void isClassInitializerTest() {
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94 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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95 // Class initializers are hidden from reflection
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96 ResolvedJavaMethod m = e.getValue();
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97 assertFalse(m.isClassInitializer());
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98 }
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99 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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100 ResolvedJavaMethod m = e.getValue();
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101 assertFalse(m.isClassInitializer());
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102 }
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103 }
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104
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105 @Test
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106 public void isConstructorTest() {
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107 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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108 ResolvedJavaMethod m = e.getValue();
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109 assertFalse(m.isConstructor());
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110 }
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111 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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112 ResolvedJavaMethod m = e.getValue();
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113 assertTrue(m.isConstructor());
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114 }
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115 }
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116
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117 @Test
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118 public void isSyntheticTest() {
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119 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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120 ResolvedJavaMethod m = e.getValue();
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121 assertEquals(e.getKey().isSynthetic(), m.isSynthetic());
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122 }
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123 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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124 ResolvedJavaMethod m = e.getValue();
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125 assertEquals(e.getKey().isSynthetic(), m.isSynthetic());
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126 }
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127 }
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128
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129 @Test
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130 public void isSynchronizedTest() {
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131 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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132 ResolvedJavaMethod m = e.getValue();
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133 assertEquals(Modifier.isSynchronized(e.getKey().getModifiers()), m.isSynchronized());
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134 }
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135 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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136 ResolvedJavaMethod m = e.getValue();
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137 assertEquals(Modifier.isSynchronized(e.getKey().getModifiers()), m.isSynchronized());
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138 }
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139 }
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140
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141 @Test
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142 public void canBeStaticallyBoundTest() {
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143 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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144 ResolvedJavaMethod m = e.getValue();
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145 assertEquals(m.canBeStaticallyBound(), canBeStaticallyBound(e.getKey()));
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146 }
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147 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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148 ResolvedJavaMethod m = e.getValue();
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149 assertEquals(m.canBeStaticallyBound(), canBeStaticallyBound(e.getKey()));
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150 }
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151 }
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152
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153 private static boolean canBeStaticallyBound(Member method) {
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154 int modifiers = method.getModifiers();
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155 return (Modifier.isFinal(modifiers) || Modifier.isPrivate(modifiers) || Modifier.isStatic(modifiers) || Modifier.isFinal(method.getDeclaringClass().getModifiers())) &&
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156 !Modifier.isAbstract(modifiers);
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157 }
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158
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159 private static String methodWithExceptionHandlers(String p1, Object o2) {
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160 try {
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161 return p1.substring(100) + o2.toString();
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162 } catch (IndexOutOfBoundsException e) {
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163 e.printStackTrace();
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164 } catch (NullPointerException e) {
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165 e.printStackTrace();
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166 } catch (RuntimeException e) {
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167 e.printStackTrace();
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168 }
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169 return null;
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170 }
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171
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172 @Test
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173 public void getExceptionHandlersTest() throws NoSuchMethodException {
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174 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithExceptionHandlers", String.class, Object.class));
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175 ExceptionHandler[] handlers = method.getExceptionHandlers();
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176 assertNotNull(handlers);
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177 assertEquals(handlers.length, 3);
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178 handlers[0].getCatchType().equals(metaAccess.lookupJavaType(IndexOutOfBoundsException.class));
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179 handlers[1].getCatchType().equals(metaAccess.lookupJavaType(NullPointerException.class));
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180 handlers[2].getCatchType().equals(metaAccess.lookupJavaType(RuntimeException.class));
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181 }
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182
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183 private static String nullPointerExceptionOnFirstLine(Object o, String ignored) {
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184 return o.toString() + ignored;
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185 }
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186
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187 @Test
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188 public void asStackTraceElementTest() throws NoSuchMethodException {
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diff changeset
189 try {
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diff changeset
190 nullPointerExceptionOnFirstLine(null, "ignored");
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diff changeset
191 Assert.fail("should not reach here");
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diff changeset
192 } catch (NullPointerException e) {
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diff changeset
193 StackTraceElement expected = e.getStackTrace()[0];
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194 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
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195 StackTraceElement actual = method.asStackTraceElement(0);
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diff changeset
196 assertEquals(expected, actual);
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197 }
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198 }
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199
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parents:
diff changeset
200 @Test
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201 public void getConstantPoolTest() {
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diff changeset
202 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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203 ResolvedJavaMethod m = e.getValue();
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diff changeset
204 ConstantPool cp = m.getConstantPool();
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diff changeset
205 assertTrue(cp.length() > 0);
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diff changeset
206 }
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diff changeset
207 }
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208
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diff changeset
209 @Test(timeout = 1000L)
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diff changeset
210 public void getAnnotationTest() throws NoSuchMethodException {
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diff changeset
211 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("getAnnotationTest"));
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diff changeset
212 Test annotation = method.getAnnotation(Test.class);
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diff changeset
213 assertNotNull(annotation);
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diff changeset
214 assertEquals(1000L, annotation.timeout());
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diff changeset
215 }
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diff changeset
216
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diff changeset
217 @Retention(RetentionPolicy.RUNTIME)
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diff changeset
218 @Target(ElementType.PARAMETER)
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diff changeset
219 @interface NonNull {
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diff changeset
220 }
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diff changeset
221
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diff changeset
222 @Retention(RetentionPolicy.RUNTIME)
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diff changeset
223 @Target(ElementType.PARAMETER)
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diff changeset
224 @interface Special {
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diff changeset
225 }
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diff changeset
226
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diff changeset
227 private static native void methodWithAnnotatedParameters(@NonNull HashMap<String, String> p1, @Special @NonNull Class<? extends Annotation> p2);
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diff changeset
228
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diff changeset
229 @Test
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diff changeset
230 public void getParameterAnnotationsTest() throws NoSuchMethodException {
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diff changeset
231 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
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diff changeset
232 Annotation[][] annotations = method.getParameterAnnotations();
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diff changeset
233 assertEquals(2, annotations.length);
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
234 assertEquals(1, annotations[0].length);
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
235 assertEquals(NonNull.class, annotations[0][0].annotationType());
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diff changeset
236 assertEquals(2, annotations[1].length);
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
237 assertEquals(Special.class, annotations[1][0].annotationType());
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
238 assertEquals(NonNull.class, annotations[1][1].annotationType());
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diff changeset
239 }
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240
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
241 @Test
9806
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diff changeset
242 public void getGenericParameterTypesTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
243 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
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diff changeset
244 Type[] genericParameterTypes = method.getGenericParameterTypes();
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diff changeset
245 assertEquals(2, genericParameterTypes.length);
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parents: 7914
diff changeset
246 assertEquals("java.util.HashMap<java.lang.String, java.lang.String>", genericParameterTypes[0].toString());
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diff changeset
247 assertEquals("java.lang.Class<? extends java.lang.annotation.Annotation>", genericParameterTypes[1].toString());
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parents:
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248 }
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parents:
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249
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
250 @Test
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diff changeset
251 public void getMaxLocalsTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
252 ResolvedJavaMethod method1 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
253 ResolvedJavaMethod method2 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
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diff changeset
254 assertEquals(0, method1.getMaxLocals());
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diff changeset
255 assertEquals(2, method2.getMaxLocals());
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parents:
diff changeset
256
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
257 }
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
258
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
259 @Test
9806
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diff changeset
260 public void getMaxStackSizeTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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parents: 11718
diff changeset
261 ResolvedJavaMethod method1 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
262 ResolvedJavaMethod method2 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
9806
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diff changeset
263 assertEquals(0, method1.getMaxStackSize());
9869
17e31cfaf037 TestResolvedJavaMethod: relax check for max stack size
Bernhard Urban <bernhard.urban@jku.at>
parents: 9806
diff changeset
264 // some versions of javac produce bytecode with a stacksize of 2 for this method
11718
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9984
diff changeset
265 // JSR 292 also sometimes need one more stack slot
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parents: 9984
diff changeset
266 int method2StackSize = method2.getMaxStackSize();
f679f5411fd7 Better handling of methods which have no line number or variable name tables.
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parents: 9984
diff changeset
267 assertTrue(2 <= method2StackSize && method2StackSize <= 4);
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diff changeset
268 }
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269
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270 @Test
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271 public void isDefaultTest() {
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272 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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273 ResolvedJavaMethod m = e.getValue();
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274 assertEquals(e.getKey().isDefault(), m.isDefault());
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275 }
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276 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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277 ResolvedJavaMethod m = e.getValue();
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278 assertFalse(m.isDefault());
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279 }
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280 }
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281
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282 private Method findTestMethod(Method apiMethod) {
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283 String testName = apiMethod.getName() + "Test";
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284 for (Method m : getClass().getDeclaredMethods()) {
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285 if (m.getName().equals(testName) && m.getAnnotation(Test.class) != null) {
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286 return m;
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287 }
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288 }
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289 return null;
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290 }
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291
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292 // @formatter:off
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293 private static final String[] untestedApiMethods = {
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294 "invoke",
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295 "newInstance",
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296 "getDeclaringClass",
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297 "getEncoding",
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298 "getProfilingInfo",
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299 "reprofile",
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300 "getCompilerStorage",
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301 "canBeInlined",
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302 "shouldBeInlined",
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303 "getLineNumberTable",
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304 "getLocalVariableTable",
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305 "isInVirtualMethodTable",
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306 "toParameterTypes",
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307 "getParameterAnnotation"
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308 };
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309 // @formatter:on
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310
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311 /**
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312 * Ensures that any new methods added to {@link ResolvedJavaMethod} either have a test written
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313 * for them or are added to {@link #untestedApiMethods}.
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314 */
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315 @Test
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316 public void testCoverage() {
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317 Set<String> known = new HashSet<>(Arrays.asList(untestedApiMethods));
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318 for (Method m : ResolvedJavaMethod.class.getDeclaredMethods()) {
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319 if (findTestMethod(m) == null) {
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320 assertTrue("test missing for " + m, known.contains(m.getName()));
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321 } else {
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322 assertFalse("test should be removed from untestedApiMethods" + m, known.contains(m.getName()));
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323 }
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324 }
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325 }
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326 }