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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ShortCircuitTest.java @ 14540:f659d019d3ab
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author | Christian Wirth <christian.wirth@oracle.com> |
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date | Fri, 14 Mar 2014 15:29:17 +0100 |
parents | 25ecb47a6d0e |
children | 64dcb92ee75a |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, 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.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 org.junit.*; |
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28 |
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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.ShortCircuitTestFactory.DoubleChildNodeFactory; |
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32 import com.oracle.truffle.api.dsl.test.ShortCircuitTestFactory.SingleChildNodeFactory; |
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33 import com.oracle.truffle.api.dsl.test.ShortCircuitTestFactory.VarArgsNodeFactory; |
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34 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode; |
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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.ValueNode; |
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37 |
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38 public class ShortCircuitTest { |
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39 |
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40 @Test |
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41 public void testSingleChild1() { |
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42 ArgumentNode arg0 = new ArgumentNode(0); |
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43 CallTarget callTarget = TestHelper.createCallTarget(SingleChildNodeFactory.create(arg0)); |
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44 SingleChildNode.needsChild = true; |
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45 assertEquals(42, callTarget.call(new TestArguments(42))); |
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46 assertEquals(1, arg0.getInvocationCount()); |
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47 } |
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48 |
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49 @Test |
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50 public void testSingleChild2() { |
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51 ArgumentNode arg0 = new ArgumentNode(0); |
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52 CallTarget callTarget = TestHelper.createCallTarget(SingleChildNodeFactory.create(arg0)); |
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53 SingleChildNode.needsChild = false; |
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54 assertEquals(0, callTarget.call(new TestArguments(42))); |
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55 assertEquals(0, arg0.getInvocationCount()); |
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56 } |
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57 |
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58 @NodeChild("child0") |
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59 abstract static class SingleChildNode extends ValueNode { |
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60 |
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61 static boolean needsChild; |
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62 |
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63 @ShortCircuit("child0") |
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64 boolean needsChild0() { |
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65 return needsChild; |
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66 } |
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67 |
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68 @Specialization |
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69 int doIt(boolean hasChild0, int child0) { |
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70 assert hasChild0 == needsChild0(); |
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71 return child0; |
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72 } |
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73 |
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74 } |
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75 |
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76 @Test |
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77 public void testDoubleChild1() { |
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78 ArgumentNode arg0 = new ArgumentNode(0); |
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79 ArgumentNode arg1 = new ArgumentNode(1); |
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80 CallTarget callTarget = TestHelper.createCallTarget(DoubleChildNodeFactory.create(arg0, arg1)); |
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81 assertEquals(42, callTarget.call(new TestArguments(41, 42))); |
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82 assertEquals(1, arg1.getInvocationCount()); |
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83 } |
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84 |
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85 @Test |
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86 public void testDoubleChild2() { |
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87 ArgumentNode arg0 = new ArgumentNode(0); |
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88 ArgumentNode arg1 = new ArgumentNode(1); |
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89 CallTarget callTarget = TestHelper.createCallTarget(DoubleChildNodeFactory.create(arg0, arg1)); |
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90 assertEquals(0, callTarget.call(new TestArguments(42, 42))); |
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91 assertEquals(0, arg1.getInvocationCount()); |
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92 } |
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93 |
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94 @NodeChildren({@NodeChild("child0"), @NodeChild("child1")}) |
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95 @SuppressWarnings("unused") |
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96 abstract static class DoubleChildNode extends ValueNode { |
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97 |
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98 @ShortCircuit("child1") |
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99 boolean needsChild1(Object leftValue) { |
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100 return leftValue.equals(41); |
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101 } |
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102 |
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103 @Specialization |
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104 int doIt(int child0, boolean hasChild1, int child1) { |
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105 return child1; |
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106 } |
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107 |
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108 } |
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109 |
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110 @Test |
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111 public void testVarArgs1() { |
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112 ArgumentNode arg0 = new ArgumentNode(0); |
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113 ArgumentNode arg1 = new ArgumentNode(1); |
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114 CallTarget callTarget = TestHelper.createCallTarget(VarArgsNodeFactory.create(new ValueNode[]{arg0, arg1})); |
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115 assertEquals(42, callTarget.call(new TestArguments(41, 42))); |
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116 assertEquals(1, arg1.getInvocationCount()); |
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117 } |
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118 |
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119 @Test |
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120 public void testVarArgs2() { |
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121 ArgumentNode arg0 = new ArgumentNode(0); |
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122 ArgumentNode arg1 = new ArgumentNode(1); |
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123 CallTarget callTarget = TestHelper.createCallTarget(VarArgsNodeFactory.create(new ValueNode[]{arg0, arg1})); |
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124 assertEquals(0, callTarget.call(new TestArguments(42, 42))); |
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125 assertEquals(0, arg1.getInvocationCount()); |
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126 } |
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127 |
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128 @NodeChild(value = "children", type = ValueNode[].class) |
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129 abstract static class VarArgsNode extends ValueNode { |
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130 |
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131 @ShortCircuit("children[1]") |
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132 boolean needsChild1(Object leftValue) { |
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133 return leftValue.equals(41); |
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134 } |
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135 |
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136 @Specialization |
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137 @SuppressWarnings("unused") |
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138 int doIt(int child0, boolean hasChild1, int child1) { |
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139 return child1; |
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140 } |
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141 |
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142 } |
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143 |
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144 } |