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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/TestHelper.java @ 16967:c5db657d93c1

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Truffle-DSL: added test for source sections in @CreateCast methods.
author Christian Humer <christian.humer@gmail.com>
date Wed, 27 Aug 2014 11:35:59 +0200
parents 5148aab962af
children 62c43fcf5be2
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1 /*
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2 * Copyright (c) 2012, 2013, 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.truffle.api.dsl.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.util.*;
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29 import com.oracle.truffle.api.*;
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30 import com.oracle.truffle.api.dsl.*;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
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32 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode;
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33 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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34 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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35
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36 /**
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37 * Utility class to provide some test helper functions.
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38 */
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39 class TestHelper {
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40
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41 private static ArgumentNode[] arguments(int count) {
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42 ArgumentNode[] nodes = new ArgumentNode[count];
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43 for (int i = 0; i < nodes.length; i++) {
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44 nodes[i] = new ArgumentNode(i);
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45 }
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46 return nodes;
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47 }
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48
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49 static <E extends ValueNode> E createNode(NodeFactory<E> factory, boolean prefixConstants, Object... constants) {
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50 ArgumentNode[] argumentNodes = arguments(factory.getExecutionSignature().size());
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51
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52 List<Object> argumentList = new ArrayList<>();
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53 if (prefixConstants) {
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54 argumentList.addAll(Arrays.asList(constants));
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55 }
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56 if (ChildrenNode.class.isAssignableFrom(factory.getNodeClass())) {
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57 argumentList.add(argumentNodes);
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58 } else {
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59 argumentList.addAll(Arrays.asList(argumentNodes));
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60 }
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61 if (!prefixConstants) {
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62 argumentList.addAll(Arrays.asList(constants));
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63 }
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64 return factory.createNode(argumentList.toArray(new Object[argumentList.size()]));
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65 }
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66
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67 static <E extends ValueNode> TestRootNode<E> createRoot(NodeFactory<E> factory, Object... constants) {
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68 TestRootNode<E> rootNode = new TestRootNode<>(createNode(factory, false, constants));
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69 rootNode.adoptChildren();
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70 return rootNode;
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71 }
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72
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73 static <E extends ValueNode> TestRootNode<E> createRootPrefix(NodeFactory<E> factory, boolean prefixConstants, Object... constants) {
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74 TestRootNode<E> rootNode = new TestRootNode<>(createNode(factory, prefixConstants, constants));
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75 rootNode.adoptChildren();
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76 return rootNode;
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77 }
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78
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79 static CallTarget createCallTarget(ValueNode node) {
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80 return createCallTarget(new TestRootNode<>(node));
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81 }
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83 static CallTarget createCallTarget(TestRootNode<? extends ValueNode> node) {
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84 return Truffle.getRuntime().createCallTarget(node);
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85 }
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87 static <E> Object executeWith(TestRootNode<? extends ValueNode> node, Object... values) {
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88 return createCallTarget(node).call(values);
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89 }
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90
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91 static Object[] array(Object... val) {
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92 return val;
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93 }
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94
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95 static <E> List<List<E>> permutations(List<E> list) {
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96 return permutations(new ArrayList<E>(), list, new ArrayList<List<E>>());
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97 }
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98
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99 static Object[][] permutations(Object... list) {
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100 List<List<Object>> permutations = permutations(Arrays.asList(list));
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101
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102 Object[][] a = new Object[permutations.size()][];
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103 int index = 0;
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104 for (List<Object> p : permutations) {
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105 a[index] = p.toArray(new Object[p.size()]);
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106 index++;
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107 }
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108
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109 return a;
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110 }
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111
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112 static <E> List<List<E>> permutations(List<E> prefix, List<E> suffix, List<List<E>> output) {
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113 if (suffix.size() == 1) {
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114 ArrayList<E> newElement = new ArrayList<>(prefix);
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115 newElement.addAll(suffix);
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116 output.add(newElement);
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117 return output;
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118 }
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119
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120 for (int i = 0; i < suffix.size(); i++) {
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121 List<E> newPrefix = new ArrayList<>(prefix);
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122 newPrefix.add(suffix.get(i));
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123 List<E> newSuffix = new ArrayList<>(suffix);
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124 newSuffix.remove(i);
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125 permutations(newPrefix, newSuffix, output);
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126 }
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127
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128 return output;
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129 }
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130
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131 static void assertRuns(NodeFactory<? extends ValueNode> factory, Object[] testValues, Object[] result) {
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132 assertRuns(factory, testValues, result, null);
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133 }
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134
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135 /* Methods tests all test values in combinational order. */
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136 static void assertRuns(NodeFactory<? extends ValueNode> factory, Object[] testValues, Object[] result, ExecutionListener listener) {
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137 // test each run by its own.
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138 for (int i = 0; i < testValues.length; i++) {
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139 assertValue(createRoot(factory), 0, testValues[i], result[i], listener, true);
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140 }
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141
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142 // test all combinations of the test values
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143 List<Object> testValuesList = Arrays.asList(testValues);
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144 List<List<Object>> permuts = permutations(testValuesList);
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145 for (List<Object> list : permuts) {
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146 TestRootNode<?> root = createRoot(factory);
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147 int index = 0;
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148 for (Object object : list) {
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149 assertValue(root, index, object, result[testValuesList.indexOf(object)], listener, index == list.size() - 1);
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150 index++;
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151 }
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152 }
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153 }
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154
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155 static void assertValue(TestRootNode<? extends ValueNode> root, int index, Object value, Object result, ExecutionListener listener, boolean last) {
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156 Object actualResult = null;
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157 if (result instanceof Class && Throwable.class.isAssignableFrom((Class<?>) result)) {
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158 try {
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159 if (value instanceof Object[]) {
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160 actualResult = executeWith(root, (Object[]) value);
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161 } else {
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162 actualResult = executeWith(root, value);
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163 }
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164 fail(String.format("Exception %s expected but not occured.", result.getClass()));
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165 } catch (Throwable e) {
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166 actualResult = e;
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167 if (!e.getClass().isAssignableFrom(((Class<?>) result))) {
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168 e.printStackTrace();
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169 fail(String.format("Incompatible exception class thrown. Expected %s but was %s.", result.toString(), e.getClass()));
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170 }
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171 }
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172 } else if (value instanceof Object[]) {
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173 actualResult = executeWith(root, (Object[]) value);
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174 assertEquals(result, actualResult);
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175 } else {
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176 actualResult = executeWith(root, value);
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177 assertEquals(result, actualResult);
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178 }
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179 if (listener != null) {
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180 listener.afterExecution(root, index, value, result, actualResult, last);
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181 }
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182 }
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183
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184 public static final class LogListener implements ExecutionListener {
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185
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186 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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187 System.out.printf("Run %3d Node:%-20s Parameters: %10s Expected: %10s Result %10s%n", index, node.getNode().getClass().getSimpleName(), value, expectedResult, actualResult);
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188 }
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189
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190 }
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191
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192 interface ExecutionListener {
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193
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194 void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last);
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195
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196 }
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197
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198 }