Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SourceSectionTest.java @ 18564:966081b8e830
guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 27 Nov 2014 11:45:13 +0100 |
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1 /* |
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2 * Copyright (c) 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.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.hamcrest.CoreMatchers.*; |
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27 import static org.junit.Assert.*; |
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28 |
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29 import org.junit.*; |
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30 import org.junit.experimental.theories.*; |
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31 import org.junit.runner.*; |
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32 |
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33 import com.oracle.truffle.api.dsl.*; |
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34 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection0Factory; |
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35 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection1Factory; |
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36 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode; |
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37 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode; |
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38 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; |
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39 import com.oracle.truffle.api.nodes.*; |
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40 import com.oracle.truffle.api.source.*; |
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41 |
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42 @RunWith(Theories.class) |
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43 public class SourceSectionTest { |
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44 |
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45 @DataPoints public static final int[] data = new int[]{1, 2, 3, 4}; |
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46 |
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47 @Theory |
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48 public void testSourceSections(int value0, int value1, int value2) { |
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49 TestRootNode<SourceSection0> root = createRoot(SourceSection0Factory.getInstance()); |
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50 SourceSection section = new NullSourceSection("a", "b"); |
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51 root.getNode().assignSourceSection(section); |
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52 expectSourceSection(root.getNode(), section); |
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53 assertThat((int) executeWith(root, value0), is(value0)); |
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54 expectSourceSection(root.getNode(), section); |
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55 assertThat((int) executeWith(root, value1), is(value1)); |
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56 expectSourceSection(root.getNode(), section); |
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57 assertThat((int) executeWith(root, value2), is(value2)); |
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58 expectSourceSection(root.getNode(), section); |
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59 } |
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60 |
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61 private static void expectSourceSection(Node root, SourceSection section) { |
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62 assertThat(root.getSourceSection(), is(sameInstance(section))); |
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63 for (Node child : root.getChildren()) { |
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64 if (child instanceof ArgumentNode) { |
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65 continue; |
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66 } |
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67 if (child != null) { |
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68 expectSourceSection(child, section); |
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69 } |
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70 } |
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71 } |
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72 |
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73 @NodeChild("a") |
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74 static class SourceSection0 extends ValueNode { |
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75 |
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76 boolean isOne(int a) { |
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77 return a == 1; |
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78 } |
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79 |
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80 boolean isTwo(int a) { |
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81 return a == 2; |
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82 } |
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83 |
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84 boolean isThree(int a) { |
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85 return a == 3; |
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86 } |
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87 |
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88 @Specialization(guards = "isOne") |
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89 int do1(int a) { |
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90 return a; |
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91 } |
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92 |
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93 @Specialization(guards = "isTwo") |
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94 int do2(int a) { |
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95 return a; |
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96 } |
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97 |
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98 @Specialization(guards = "isThree") |
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99 int do3(int a) { |
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100 return a; |
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101 } |
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102 |
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103 @Fallback |
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104 Object do4(Object a) { |
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105 return a; // the generic answer to all questions |
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106 } |
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107 } |
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108 |
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109 @Test |
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110 public void testCreateCast() { |
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111 SourceSection section = new NullSourceSection("a", "b"); |
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112 TestRootNode<SourceSection1> root = createRootPrefix(SourceSection1Factory.getInstance(), true, section); |
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113 expectSourceSection(root.getNode(), section); |
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114 assertThat((int) executeWith(root, 1), is(1)); |
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115 expectSourceSection(root.getNode(), section); |
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116 } |
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117 |
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118 @NodeChild("a") |
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119 static class SourceSection1 extends ValueNode { |
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120 |
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121 public SourceSection1(SourceSection section) { |
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122 super(section); |
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123 } |
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124 |
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125 @CreateCast("a") |
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126 public ValueNode cast(ValueNode node) { |
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127 assert getSourceSection() != null; |
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128 return node; |
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129 } |
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130 |
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131 @Specialization |
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132 int do0(int a) { |
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133 return a; |
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134 } |
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135 |
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136 } |
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137 } |