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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/NullLiteralGuardsTest.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 5309cc9668e3
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1 /*
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2 * Copyright (c) 2015, 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.createCallTarget;
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26 import static org.junit.Assert.assertEquals;
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27
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28 import org.junit.After;
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29 import org.junit.Before;
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30 import org.junit.Test;
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31
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32 import com.oracle.truffle.api.CallTarget;
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33 import com.oracle.truffle.api.dsl.Specialization;
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34 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareNotNullNodeFactory;
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35 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareObjectsNullNodeFactory;
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36 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareStringNullNodeFactory;
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37 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode;
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38 import com.oracle.truffle.api.dsl.test.utilities.InstrumentationTestMode;
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39
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40 @SuppressWarnings("unused")
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41 public class NullLiteralGuardsTest {
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42
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43 @Before
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44 public void before() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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45 InstrumentationTestMode.set(true);
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46 }
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47
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48 @After
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49 public void after() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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50 InstrumentationTestMode.set(false);
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51 }
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52
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53 @Test
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54 public void testCompareObjectsNull() {
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55 CallTarget root = createCallTarget(CompareObjectsNullNodeFactory.getInstance());
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56 assertEquals("do1", root.call((Object) null));
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57 assertEquals("do2", root.call("42"));
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58 }
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59
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60 abstract static class CompareObjectsNullNode extends ChildrenNode {
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61 @Specialization(guards = "value == null")
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62 String do1(Object value) {
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63 return "do1";
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64 }
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65
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66 @Specialization
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67 String do2(Object value) {
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68 return "do2";
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69 }
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70 }
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71
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72 @Test
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73 public void testCompareStringNull() {
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74 CallTarget root = createCallTarget(CompareStringNullNodeFactory.getInstance());
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75 assertEquals("do1", root.call("42"));
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76 assertEquals("do2", root.call((Object) null));
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77 }
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78
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79 abstract static class CompareStringNullNode extends ChildrenNode {
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80 @Specialization(guards = "value != null")
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81 String do1(String value) {
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82 return "do1";
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83 }
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84
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85 @Specialization
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86 String do2(Object value) {
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87 return "do2";
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88 }
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89 }
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90
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91 @Test
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92 public void testCompareNotNull() {
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93 CallTarget root = createCallTarget(CompareNotNullNodeFactory.getInstance());
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94 assertEquals("do1", root.call("42"));
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95 assertEquals("do2", root.call((Object) null));
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96 }
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97
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98 abstract static class CompareNotNullNode extends ChildrenNode {
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99 @Specialization(guards = "value != null")
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100 String do1(Object value) {
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101 return "do1";
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102 }
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103
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104 @Specialization
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105 String do2(Object value) {
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106 return "do2";
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107 }
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108 }
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109
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110 abstract static class ErrorNullIntComparison1 extends ChildrenNode {
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111 @ExpectError("Error parsing expression 'value == null': Incompatible operand types int and null.")
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112 @Specialization(guards = "value == null")
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113 String do1(int value) {
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114 return "do1";
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115 }
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116 }
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117
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118 abstract static class ErrorNullIntComparison2 extends ChildrenNode {
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119 @ExpectError("Error parsing expression '1 == null': Incompatible operand types int and null.")
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120 @Specialization(guards = "1 == null")
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121 String do1(int value) {
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122 return "do1";
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123 }
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124 }
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125
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126 abstract static class ErrorNullNullComparison extends ChildrenNode {
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127 @ExpectError("Error parsing expression 'null == null': The operator == is undefined for the argument type(s) null null.")
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128 @Specialization(guards = "null == null")
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129 String do1(int value) {
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130 return "do1";
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131 }
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132 }
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133
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134 abstract static class ErrorObjectVoidComparison extends ChildrenNode {
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135 protected static void returnVoid() {
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136 }
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137
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138 @ExpectError("Error parsing expression 'value == returnVoid()': Incompatible operand types Object and void.")
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139 @Specialization(guards = "value == returnVoid()")
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140 String do1(Object value) {
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141 return "do1";
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142 }
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143 }
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144
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145 }