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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/TestHelper.java @ 11469:88316d1c4644

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Truffle-DSL: preparations for implicit casts
author Christian Humer <christian.humer@gmail.com>
date Fri, 30 Aug 2013 11:37:42 +0200
parents e55e24cc3e7b
children 1ccb36a32f87
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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 com.oracle.truffle.api.dsl.test.TestHelper.*;
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26 import static org.junit.Assert.*;
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27
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28 import java.util.*;
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29
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30 import com.oracle.truffle.api.*;
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31 import com.oracle.truffle.api.dsl.*;
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32 import com.oracle.truffle.api.dsl.test.NodeContainerTest.BuiltinNode;
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33 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
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34 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode;
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35 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestArguments;
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36 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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37 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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38
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39 /**
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40 * Utility class to provide some test helper functions.
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41 */
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42 class TestHelper {
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43
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44 private static ArgumentNode[] arguments(int count) {
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45 ArgumentNode[] nodes = new ArgumentNode[count];
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46 for (int i = 0; i < nodes.length; i++) {
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47 nodes[i] = new ArgumentNode(i);
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48 }
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49 return nodes;
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50 }
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51
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52 static <E extends ValueNode> E createNode(NodeFactory<E> factory, Object... constants) {
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53 ArgumentNode[] argumentNodes = arguments(factory.getExecutionSignature().size());
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54
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55 List<Object> argumentList = new ArrayList<>();
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56 if (ChildrenNode.class.isAssignableFrom(factory.getNodeClass()) || BuiltinNode.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 argumentList.addAll(Arrays.asList(constants));
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62 return factory.createNode(argumentList.toArray(new Object[argumentList.size()]));
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63 }
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64
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65 static <E extends ValueNode> TestRootNode<E> createRoot(NodeFactory<E> factory, Object... constants) {
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66 return new TestRootNode<>(createNode(factory, constants));
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67 }
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68
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69 static CallTarget createCallTarget(ValueNode node) {
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70 return createCallTarget(new TestRootNode<>(node));
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71 }
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72
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73 static CallTarget createCallTarget(TestRootNode<? extends ValueNode> node) {
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74 return Truffle.getRuntime().createCallTarget(node);
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75 }
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76
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77 static <E> Object executeWith(TestRootNode<? extends ValueNode> node, Object... values) {
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78 return createCallTarget(node).call(new TestArguments(values));
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79 }
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80
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81 static Object array(Object... val) {
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82 return val;
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83 }
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84
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85 static <E> List<List<E>> permutations(List<E> list) {
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86 return permutations(new ArrayList<E>(), list, new ArrayList<List<E>>());
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87 }
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88
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89 static Object[][] permutations(Object... list) {
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90 List<List<Object>> permutations = permutations(Arrays.asList(list));
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91
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92 Object[][] a = new Object[permutations.size()][];
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93 int index = 0;
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94 for (List<Object> p : permutations) {
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95 a[index] = p.toArray(new Object[p.size()]);
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96 index++;
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97 }
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98
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99 return a;
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100 }
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101
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102 static <E> List<List<E>> permutations(List<E> prefix, List<E> suffix, List<List<E>> output) {
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103 if (suffix.size() == 1) {
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104 ArrayList<E> newElement = new ArrayList<>(prefix);
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105 newElement.addAll(suffix);
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106 output.add(newElement);
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107 return output;
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108 }
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109
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110 for (int i = 0; i < suffix.size(); i++) {
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111 List<E> newPrefix = new ArrayList<>(prefix);
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112 newPrefix.add(suffix.get(i));
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113 List<E> newSuffix = new ArrayList<>(suffix);
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114 newSuffix.remove(i);
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115 permutations(newPrefix, newSuffix, output);
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116 }
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117
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118 return output;
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119 }
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120
11469
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121 /* Methods tests all test values in combinational order. */
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122 static void assertRuns(NodeFactory<? extends ValueNode> factory, Object result, Object... testValues) {
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123 // test each run by its own.
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124 for (int i = 0; i < testValues.length; i++) {
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125 assertValue(createRoot(factory), result, testValues);
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126 }
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127
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128 // test all combinations of the test values
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129 List<List<Object>> permuts = permutations(Arrays.asList(testValues));
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130 for (List<Object> list : permuts) {
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131 TestRootNode<?> root = createRoot(factory);
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132 for (Object object : list) {
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133 assertValue(root, result, object);
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134 }
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135 }
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136 }
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137
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138 static void assertValue(TestRootNode<? extends ValueNode> root, Object result, Object testValues) {
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139 if (testValues instanceof Object[]) {
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140 assertEquals(result, executeWith(root, (Object[]) testValues));
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141 } else {
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142 assertEquals(result, executeWith(root, testValues));
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143 }
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144 }
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145
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146 }