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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/InterfaceChildFieldTest.java @ 22241:14e6dfb1ef05

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Truffle/Testing: massive rework of tests to accommodate recent instrumentation change with respect to "applyInstrumentation" - Caused by lack of a "vm" known to the Accessor during most testing, making the Instrumenter unavailable, which is now required to create a CallTarget - Modified the Instrumenter/Accessor with a static field that can be reflectively "poked" with a vm value for testing - Create a pair of methods to globally enable/disable testing mode to modify that static field and restore it when tests complete.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 22 Sep 2015 20:31:19 -0700
parents dc83cc1f94f2
children 0d36601f233e
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1 /*
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2 * Copyright (c) 2014, 2014, 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.test;
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24
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25 import com.oracle.truffle.api.CallTarget;
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26 import com.oracle.truffle.api.Truffle;
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27 import com.oracle.truffle.api.TruffleRuntime;
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28 import com.oracle.truffle.api.frame.VirtualFrame;
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29 import com.oracle.truffle.api.nodes.Node;
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30 import com.oracle.truffle.api.nodes.NodeInterface;
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31 import com.oracle.truffle.api.nodes.NodeUtil;
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32 import com.oracle.truffle.api.nodes.RootNode;
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33 import com.oracle.truffle.api.test.utilities.InstrumentationTestMode;
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34
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35 import java.util.Iterator;
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37 import org.junit.After;
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38 import org.junit.Assert;
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39 import org.junit.Before;
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40 import org.junit.Test;
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41
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42 /**
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43 * Test child fields declared with interface types instead of {@link Node} subclasses.
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44 */
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45 public class InterfaceChildFieldTest {
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46
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47 @Before
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48 public void before() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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49 InstrumentationTestMode.set(true);
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50 }
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51
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52 @After
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53 public void after() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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54 InstrumentationTestMode.set(false);
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55 }
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56
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57 @Test
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58 public void testChild() {
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59 TruffleRuntime runtime = Truffle.getRuntime();
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60 TestChildInterface leftChild = new TestLeafNode();
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61 TestChildInterface rightChild = new TestLeafNode();
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62 TestChildNode parent = new TestChildNode(leftChild, rightChild);
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63 TestRootNode rootNode = new TestRootNode(parent);
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64 CallTarget target = runtime.createCallTarget(rootNode);
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65 Iterator<Node> iterator = parent.getChildren().iterator();
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66 Assert.assertEquals(leftChild, iterator.next());
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67 Assert.assertEquals(rightChild, iterator.next());
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68 Assert.assertFalse(iterator.hasNext());
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69 Object result = target.call();
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70 Assert.assertEquals(42, result);
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71
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72 Assert.assertEquals(4, NodeUtil.countNodes(rootNode));
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73 Assert.assertEquals(4, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode)));
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74 }
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75
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76 @Test
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77 public void testChildren() {
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78 TruffleRuntime runtime = Truffle.getRuntime();
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79 TestChildInterface[] children = new TestChildInterface[5];
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80 for (int i = 0; i < children.length; i++) {
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81 children[i] = new TestLeafNode();
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82 }
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83 TestChildrenNode parent = new TestChildrenNode(children);
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84 TestRootNode rootNode = new TestRootNode(parent);
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85 CallTarget target = runtime.createCallTarget(rootNode);
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86 Iterator<Node> iterator = parent.getChildren().iterator();
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87 for (int i = 0; i < children.length; i++) {
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88 Assert.assertEquals(children[i], iterator.next());
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89 }
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90 Assert.assertFalse(iterator.hasNext());
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91 Object result = target.call();
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92 Assert.assertEquals(105, result);
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93
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94 Assert.assertEquals(2 + children.length, NodeUtil.countNodes(rootNode));
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95 Assert.assertEquals(2 + children.length, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode)));
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96 }
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97
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98 class TestRootNode extends RootNode {
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99
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100 @Child private TestChildInterface child;
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101
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102 public TestRootNode(TestChildInterface child) {
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103 super(TestingLanguage.class, null, null);
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104 this.child = child;
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105 }
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106
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107 @Override
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108 public Object execute(VirtualFrame frame) {
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109 return child.executeIntf();
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110 }
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111 }
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112
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113 interface TestChildInterface extends NodeInterface {
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114 int executeIntf();
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115 }
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116
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117 class TestLeafNode extends Node implements TestChildInterface {
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118 public TestLeafNode() {
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119 super(null);
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120 }
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121
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122 public int executeIntf() {
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123 return this.replace(new TestLeaf2Node()).executeIntf();
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124 }
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125 }
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126
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127 class TestLeaf2Node extends Node implements TestChildInterface {
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128 public TestLeaf2Node() {
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129 super(null);
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130 }
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131
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132 public int executeIntf() {
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133 return 21;
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134 }
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135 }
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136
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137 class TestChildNode extends Node implements TestChildInterface {
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138
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139 @Child private TestChildInterface left;
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140 @Child private TestChildInterface right;
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141
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142 public TestChildNode(TestChildInterface left, TestChildInterface right) {
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143 super(null);
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144 this.left = left;
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145 this.right = right;
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146 }
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147
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148 @Override
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149 public int executeIntf() {
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150 return left.executeIntf() + right.executeIntf();
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151 }
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152 }
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153
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154 class TestChildrenNode extends Node implements TestChildInterface {
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155
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156 @Children private final TestChildInterface[] children;
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157
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158 public TestChildrenNode(TestChildInterface[] children) {
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159 super(null);
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160 this.children = children;
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161 }
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162
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163 @Override
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164 public int executeIntf() {
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165 int sum = 0;
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166 for (int i = 0; i < children.length; ++i) {
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167 sum += children[i].executeIntf();
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168 }
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169 return sum;
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170 }
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171 }
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172 }