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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/NullLiteralGuardsTest.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 9c8c0937da41
children 14e6dfb1ef05
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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 com.oracle.truffle.api.CallTarget;
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26 import com.oracle.truffle.api.dsl.Specialization;
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27 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareNotNullNodeFactory;
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28 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareObjectsNullNodeFactory;
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29 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareStringNullNodeFactory;
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30 import static com.oracle.truffle.api.dsl.test.TestHelper.createCallTarget;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode;
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32 import static org.junit.Assert.assertEquals;
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33 import org.junit.Test;
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34
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35 @SuppressWarnings("unused")
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36 public class NullLiteralGuardsTest {
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37
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38 @Test
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39 public void testCompareObjectsNull() {
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40 CallTarget root = createCallTarget(CompareObjectsNullNodeFactory.getInstance());
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41 assertEquals("do1", root.call((Object) null));
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42 assertEquals("do2", root.call("42"));
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43 }
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44
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45 abstract static class CompareObjectsNullNode extends ChildrenNode {
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46 @Specialization(guards = "value == null")
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47 String do1(Object value) {
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48 return "do1";
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49 }
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50
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51 @Specialization
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52 String do2(Object value) {
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53 return "do2";
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54 }
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55 }
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56
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57 @Test
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58 public void testCompareStringNull() {
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59 CallTarget root = createCallTarget(CompareStringNullNodeFactory.getInstance());
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60 assertEquals("do1", root.call("42"));
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61 assertEquals("do2", root.call((Object) null));
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62 }
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63
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64 abstract static class CompareStringNullNode extends ChildrenNode {
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65 @Specialization(guards = "value != null")
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66 String do1(String value) {
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67 return "do1";
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68 }
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69
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70 @Specialization
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71 String do2(Object value) {
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72 return "do2";
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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 testCompareNotNull() {
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78 CallTarget root = createCallTarget(CompareNotNullNodeFactory.getInstance());
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79 assertEquals("do1", root.call("42"));
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80 assertEquals("do2", root.call((Object) null));
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81 }
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82
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83 abstract static class CompareNotNullNode extends ChildrenNode {
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84 @Specialization(guards = "value != null")
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85 String do1(Object value) {
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86 return "do1";
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87 }
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88
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89 @Specialization
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90 String do2(Object value) {
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91 return "do2";
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92 }
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93 }
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94
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95 abstract static class ErrorNullIntComparison1 extends ChildrenNode {
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96 @ExpectError("Error parsing expression 'value == null': Incompatible operand types int and null.")
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97 @Specialization(guards = "value == null")
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98 String do1(int value) {
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99 return "do1";
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100 }
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101 }
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102
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103 abstract static class ErrorNullIntComparison2 extends ChildrenNode {
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104 @ExpectError("Error parsing expression '1 == null': Incompatible operand types int and null.")
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105 @Specialization(guards = "1 == null")
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106 String do1(int value) {
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107 return "do1";
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108 }
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109 }
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110
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111 abstract static class ErrorNullNullComparison extends ChildrenNode {
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112 @ExpectError("Error parsing expression 'null == null': The operator == is undefined for the argument type(s) null null.")
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113 @Specialization(guards = "null == null")
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114 String do1(int value) {
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115 return "do1";
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116 }
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117 }
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118
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119 abstract static class ErrorObjectVoidComparison extends ChildrenNode {
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120 protected static void returnVoid() {
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121 }
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122
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123 @ExpectError("Error parsing expression 'value == returnVoid()': Incompatible operand types Object and void.")
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124 @Specialization(guards = "value == returnVoid()")
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125 String do1(Object value) {
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126 return "do1";
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127 }
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128 }
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129
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130 }