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annotate graal/com.oracle.graal.api.meta.test/src/com/oracle/graal/api/meta/test/TestResolvedJavaMethod.java @ 15102:175111728365

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improve canBeStaticallyBound
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Mon, 14 Apr 2014 15:08:30 -0700
parents 4877b0cb446f
children 98d45600222c
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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 java.lang.reflect.Modifier.*;
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26 import static org.junit.Assert.*;
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27
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28 import java.lang.annotation.*;
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29 import java.lang.reflect.*;
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30 import java.util.*;
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31
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32 import org.junit.*;
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33
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34 import com.oracle.graal.api.meta.*;
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35
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36 /**
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37 * Tests for {@link ResolvedJavaMethod}.
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38 */
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39 public class TestResolvedJavaMethod extends MethodUniverse {
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40
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41 public TestResolvedJavaMethod() {
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42 }
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43
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44 /**
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45 * @see ResolvedJavaMethod#getCode()
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46 */
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47 @Test
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48 public void getCodeTest() {
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49 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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50 ResolvedJavaMethod m = e.getValue();
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51 byte[] code = m.getCode();
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52 if (code == null) {
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53 assertTrue(m.getCodeSize() == 0);
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54 } else {
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55 if (isAbstract(m.getModifiers())) {
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56 assertTrue(code.length == 0);
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57 } else if (!isNative(m.getModifiers())) {
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58 assertTrue(code.length > 0);
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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 /**
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65 * @see ResolvedJavaMethod#getCodeSize()
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66 */
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67 @Test
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68 public void getCodeSizeTest() {
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69 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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70 ResolvedJavaMethod m = e.getValue();
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71 int codeSize = m.getCodeSize();
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72 if (isAbstract(m.getModifiers())) {
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73 assertTrue(codeSize == 0);
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74 } else if (!isNative(m.getModifiers())) {
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75 assertTrue(codeSize > 0);
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76 }
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77 }
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78 }
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79
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80 @Test
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81 public void getModifiersTest() {
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82 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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83 ResolvedJavaMethod m = e.getValue();
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84 int expected = e.getKey().getModifiers() & Modifier.methodModifiers();
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85 int actual = m.getModifiers();
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86 assertEquals(expected, actual);
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87 }
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88 }
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89
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90 /**
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91 * @see ResolvedJavaMethod#isClassInitializer()
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92 */
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93 @Test
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94 public void isClassInitializerTest() {
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95 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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96 // Class initializers are hidden from reflection
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97 ResolvedJavaMethod m = e.getValue();
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98 assertFalse(m.isClassInitializer());
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99 }
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100 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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101 ResolvedJavaMethod m = e.getValue();
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102 assertFalse(m.isClassInitializer());
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103 }
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104 }
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105
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106 @Test
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107 public void isConstructorTest() {
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108 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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109 ResolvedJavaMethod m = e.getValue();
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110 assertFalse(m.isConstructor());
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111 }
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112 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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113 ResolvedJavaMethod m = e.getValue();
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114 assertTrue(m.isConstructor());
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115 }
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116 }
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117
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118 @Test
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119 public void isSyntheticTest() {
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120 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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121 ResolvedJavaMethod m = e.getValue();
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122 assertEquals(e.getKey().isSynthetic(), m.isSynthetic());
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123 }
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124 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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125 ResolvedJavaMethod m = e.getValue();
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126 assertEquals(e.getKey().isSynthetic(), m.isSynthetic());
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127 }
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128 }
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129
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130 @Test
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131 public void canBeStaticallyBoundTest() {
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132 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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133 ResolvedJavaMethod m = e.getValue();
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134 assertEquals(m.canBeStaticallyBound(), canBeStaticallyBound(e.getKey()));
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135 }
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136 for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
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137 ResolvedJavaMethod m = e.getValue();
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138 assertEquals(m.canBeStaticallyBound(), canBeStaticallyBound(e.getKey()));
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139 }
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140 }
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141
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142 private static boolean canBeStaticallyBound(Member method) {
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143 int modifiers = method.getModifiers();
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144 return (Modifier.isFinal(modifiers) || Modifier.isPrivate(modifiers) || Modifier.isStatic(modifiers) || Modifier.isFinal(method.getDeclaringClass().getModifiers())) &&
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145 !Modifier.isAbstract(modifiers);
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146 }
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147
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148 private static String methodWithExceptionHandlers(String p1, Object o2) {
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149 try {
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150 return p1.substring(100) + o2.toString();
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151 } catch (IndexOutOfBoundsException e) {
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152 e.printStackTrace();
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153 } catch (NullPointerException e) {
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154 e.printStackTrace();
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155 } catch (RuntimeException e) {
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156 e.printStackTrace();
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157 }
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158 return null;
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159 }
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160
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161 @Test
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162 public void getExceptionHandlersTest() throws NoSuchMethodException {
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163 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithExceptionHandlers", String.class, Object.class));
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164 ExceptionHandler[] handlers = method.getExceptionHandlers();
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165 assertNotNull(handlers);
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166 assertEquals(handlers.length, 3);
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167 handlers[0].getCatchType().equals(metaAccess.lookupJavaType(IndexOutOfBoundsException.class));
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168 handlers[1].getCatchType().equals(metaAccess.lookupJavaType(NullPointerException.class));
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169 handlers[2].getCatchType().equals(metaAccess.lookupJavaType(RuntimeException.class));
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170 }
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171
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172 private static String nullPointerExceptionOnFirstLine(Object o, String ignored) {
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173 return o.toString() + ignored;
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174 }
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175
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176 @Test
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177 public void asStackTraceElementTest() throws NoSuchMethodException {
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178 try {
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179 nullPointerExceptionOnFirstLine(null, "ignored");
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180 Assert.fail("should not reach here");
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181 } catch (NullPointerException e) {
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182 StackTraceElement expected = e.getStackTrace()[0];
11959
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183 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
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184 StackTraceElement actual = method.asStackTraceElement(0);
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diff changeset
185 assertEquals(expected, actual);
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186 }
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187 }
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188
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parents:
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189 @Test
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190 public void getConstantPoolTest() {
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191 for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
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192 ResolvedJavaMethod m = e.getValue();
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diff changeset
193 ConstantPool cp = m.getConstantPool();
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diff changeset
194 assertTrue(cp.length() > 0);
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195 }
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diff changeset
196 }
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197
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198 @Test(timeout = 1000L)
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diff changeset
199 public void getAnnotationTest() throws NoSuchMethodException {
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200 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("getAnnotationTest"));
9806
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diff changeset
201 Test annotation = method.getAnnotation(Test.class);
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diff changeset
202 assertNotNull(annotation);
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diff changeset
203 assertEquals(1000L, annotation.timeout());
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204 }
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205
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206 @Retention(RetentionPolicy.RUNTIME)
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diff changeset
207 @Target(ElementType.PARAMETER)
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diff changeset
208 @interface NonNull {
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diff changeset
209 }
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diff changeset
210
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diff changeset
211 @Retention(RetentionPolicy.RUNTIME)
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diff changeset
212 @Target(ElementType.PARAMETER)
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diff changeset
213 @interface Special {
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diff changeset
214 }
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diff changeset
215
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diff changeset
216 private static native void methodWithAnnotatedParameters(@NonNull HashMap<String, String> p1, @Special @NonNull Class<? extends Annotation> p2);
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diff changeset
217
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diff changeset
218 @Test
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diff changeset
219 public void getParameterAnnotationsTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
220 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
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diff changeset
221 Annotation[][] annotations = method.getParameterAnnotations();
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diff changeset
222 assertEquals(2, annotations.length);
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Doug Simon <doug.simon@oracle.com>
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diff changeset
223 assertEquals(1, annotations[0].length);
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
224 assertEquals(NonNull.class, annotations[0][0].annotationType());
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diff changeset
225 assertEquals(2, annotations[1].length);
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
226 assertEquals(Special.class, annotations[1][0].annotationType());
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
227 assertEquals(NonNull.class, annotations[1][1].annotationType());
7044
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diff changeset
228 }
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229
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
230 @Test
9806
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
231 public void getGenericParameterTypesTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
232 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
9806
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diff changeset
233 Type[] genericParameterTypes = method.getGenericParameterTypes();
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diff changeset
234 assertEquals(2, genericParameterTypes.length);
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
235 assertEquals("java.util.HashMap<java.lang.String, java.lang.String>", genericParameterTypes[0].toString());
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
236 assertEquals("java.lang.Class<? extends java.lang.annotation.Annotation>", genericParameterTypes[1].toString());
7044
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parents:
diff changeset
237 }
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
238
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
239 @Test
9806
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
240 public void getMaxLocalsTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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parents: 11718
diff changeset
241 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
242 ResolvedJavaMethod method2 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
9806
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diff changeset
243 assertEquals(0, method1.getMaxLocals());
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diff changeset
244 assertEquals(2, method2.getMaxLocals());
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parents:
diff changeset
245
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
246 }
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
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parents:
diff changeset
247
34753b057324 added unit tests for JavaType, JavaMethod and ResolvedJavaMethod
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
248 @Test
9806
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diff changeset
249 public void getMaxStackSizeTest() throws NoSuchMethodException {
11959
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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diff changeset
250 ResolvedJavaMethod method1 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
23ccaa863eda made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
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parents: 11718
diff changeset
251 ResolvedJavaMethod method2 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
9806
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diff changeset
252 assertEquals(0, method1.getMaxStackSize());
9869
17e31cfaf037 TestResolvedJavaMethod: relax check for max stack size
Bernhard Urban <bernhard.urban@jku.at>
parents: 9806
diff changeset
253 // some versions of javac produce bytecode with a stacksize of 2 for this method
11718
f679f5411fd7 Better handling of methods which have no line number or variable name tables.
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9984
diff changeset
254 // JSR 292 also sometimes need one more stack slot
f679f5411fd7 Better handling of methods which have no line number or variable name tables.
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9984
diff changeset
255 int method2StackSize = method2.getMaxStackSize();
f679f5411fd7 Better handling of methods which have no line number or variable name tables.
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9984
diff changeset
256 assertTrue(2 <= method2StackSize && method2StackSize <= 4);
9806
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diff changeset
257 }
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diff changeset
258
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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diff changeset
259 private Method findTestMethod(Method apiMethod) {
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
260 String testName = apiMethod.getName() + "Test";
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
261 for (Method m : getClass().getDeclaredMethods()) {
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
262 if (m.getName().equals(testName) && m.getAnnotation(Test.class) != null) {
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
263 return m;
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
Doug Simon <doug.simon@oracle.com>
parents: 7914
diff changeset
264 }
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
Doug Simon <doug.simon@oracle.com>
parents: 7914
diff changeset
265 }
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
Doug Simon <doug.simon@oracle.com>
parents: 7914
diff changeset
266 return null;
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
Doug Simon <doug.simon@oracle.com>
parents: 7914
diff changeset
267 }
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
268
21b8cd853b2b cleaned up api.meta tests (GRAAL-59)
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parents: 7914
diff changeset
269 // @formatter:off
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parents: 7914
diff changeset
270 private static final String[] untestedApiMethods = {
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parents: 7914
diff changeset
271 "invoke",
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272 "newInstance",
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273 "getDeclaringClass",
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274 "getEncoding",
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275 "getProfilingInfo",
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276 "reprofile",
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277 "getCompilerStorage",
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278 "canBeInlined",
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279 "shouldBeInlined",
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280 "getLineNumberTable",
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281 "getLocalVariableTable",
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282 "isInVirtualMethodTable",
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283 "isDefault" // tested in TestResolvedJavaMethodJDK8
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284 };
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285 // @formatter:on
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286
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287 /**
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288 * Ensures that any new methods added to {@link ResolvedJavaMethod} either have a test written
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289 * for them or are added to {@link #untestedApiMethods}.
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290 */
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291 @Test
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292 public void testCoverage() {
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293 Set<String> known = new HashSet<>(Arrays.asList(untestedApiMethods));
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294 for (Method m : ResolvedJavaMethod.class.getDeclaredMethods()) {
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295 if (findTestMethod(m) == null) {
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296 assertTrue("test missing for " + m, known.contains(m.getName()));
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297 } else {
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298 assertFalse("test should be removed from untestedApiMethods" + m, known.contains(m.getName()));
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299 }
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300 }
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301 }
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302 }