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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/InterfaceChildFieldTest.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 5bc7f7b867ab
children 14e6dfb1ef05
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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 java.util.Iterator;
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34 import org.junit.Assert;
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35 import org.junit.Test;
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36
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37 /**
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38 * Test child fields declared with interface types instead of {@link Node} subclasses.
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39 */
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40 public class InterfaceChildFieldTest {
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41
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42 @Test
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43 public void testChild() {
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44 TruffleRuntime runtime = Truffle.getRuntime();
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45 TestChildInterface leftChild = new TestLeafNode();
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46 TestChildInterface rightChild = new TestLeafNode();
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47 TestChildNode parent = new TestChildNode(leftChild, rightChild);
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48 TestRootNode rootNode = new TestRootNode(parent);
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49 CallTarget target = runtime.createCallTarget(rootNode);
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50 Iterator<Node> iterator = parent.getChildren().iterator();
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51 Assert.assertEquals(leftChild, iterator.next());
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52 Assert.assertEquals(rightChild, iterator.next());
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53 Assert.assertFalse(iterator.hasNext());
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54 Object result = target.call();
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55 Assert.assertEquals(42, result);
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56
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57 Assert.assertEquals(4, NodeUtil.countNodes(rootNode));
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58 Assert.assertEquals(4, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode)));
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59 }
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60
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61 @Test
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62 public void testChildren() {
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63 TruffleRuntime runtime = Truffle.getRuntime();
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64 TestChildInterface[] children = new TestChildInterface[5];
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65 for (int i = 0; i < children.length; i++) {
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66 children[i] = new TestLeafNode();
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67 }
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68 TestChildrenNode parent = new TestChildrenNode(children);
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69 TestRootNode rootNode = new TestRootNode(parent);
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70 CallTarget target = runtime.createCallTarget(rootNode);
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71 Iterator<Node> iterator = parent.getChildren().iterator();
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72 for (int i = 0; i < children.length; i++) {
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73 Assert.assertEquals(children[i], iterator.next());
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74 }
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75 Assert.assertFalse(iterator.hasNext());
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76 Object result = target.call();
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77 Assert.assertEquals(105, result);
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78
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79 Assert.assertEquals(2 + children.length, NodeUtil.countNodes(rootNode));
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80 Assert.assertEquals(2 + children.length, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode)));
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81 }
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82
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83 class TestRootNode extends RootNode {
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84
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85 @Child private TestChildInterface child;
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86
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87 public TestRootNode(TestChildInterface child) {
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88 super(TestingLanguage.class, null, null);
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89 this.child = child;
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90 }
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91
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92 @Override
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93 public Object execute(VirtualFrame frame) {
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94 return child.executeIntf();
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95 }
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96 }
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97
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98 interface TestChildInterface extends NodeInterface {
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99 int executeIntf();
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100 }
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101
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102 class TestLeafNode extends Node implements TestChildInterface {
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103 public TestLeafNode() {
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104 super(null);
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105 }
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106
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107 public int executeIntf() {
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108 return this.replace(new TestLeaf2Node()).executeIntf();
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109 }
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110 }
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111
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112 class TestLeaf2Node extends Node implements TestChildInterface {
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113 public TestLeaf2Node() {
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114 super(null);
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115 }
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116
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117 public int executeIntf() {
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118 return 21;
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119 }
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120 }
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121
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122 class TestChildNode extends Node implements TestChildInterface {
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123
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124 @Child private TestChildInterface left;
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125 @Child private TestChildInterface right;
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126
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127 public TestChildNode(TestChildInterface left, TestChildInterface right) {
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128 super(null);
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129 this.left = left;
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130 this.right = right;
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131 }
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132
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133 @Override
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134 public int executeIntf() {
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135 return left.executeIntf() + right.executeIntf();
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136 }
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137 }
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138
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139 class TestChildrenNode extends Node implements TestChildInterface {
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140
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141 @Children private final TestChildInterface[] children;
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142
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143 public TestChildrenNode(TestChildInterface[] children) {
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144 super(null);
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145 this.children = children;
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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 int sum = 0;
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151 for (int i = 0; i < children.length; ++i) {
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152 sum += children[i].executeIntf();
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153 }
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154 return sum;
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155 }
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156 }
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157 }