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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/NullLiteralGuardsTest.java @ 21951:9c8c0937da41

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Moving all sources into truffle subdirectory
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 10:58:08 +0200
parents graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/NullLiteralGuardsTest.java@f83fd99b2962
children dc83cc1f94f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.*;
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26 import static org.junit.Assert.*;
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27
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28 import org.junit.*;
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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.NullLiteralGuardsTestFactory.CompareNotNullNodeFactory;
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33 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareObjectsNullNodeFactory;
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34 import com.oracle.truffle.api.dsl.test.NullLiteralGuardsTestFactory.CompareStringNullNodeFactory;
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35 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode;
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36
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37 @SuppressWarnings("unused")
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38 public class NullLiteralGuardsTest {
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39
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40 @Test
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41 public void testCompareObjectsNull() {
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42 CallTarget root = createCallTarget(CompareObjectsNullNodeFactory.getInstance());
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43 assertEquals("do1", root.call((Object) null));
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44 assertEquals("do2", root.call("42"));
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45 }
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46
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47 abstract static class CompareObjectsNullNode extends ChildrenNode {
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48 @Specialization(guards = "value == null")
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49 String do1(Object value) {
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50 return "do1";
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51 }
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52
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53 @Specialization
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54 String do2(Object value) {
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55 return "do2";
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56 }
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57 }
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58
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59 @Test
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60 public void testCompareStringNull() {
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61 CallTarget root = createCallTarget(CompareStringNullNodeFactory.getInstance());
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62 assertEquals("do1", root.call("42"));
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63 assertEquals("do2", root.call((Object) null));
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64 }
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65
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66 abstract static class CompareStringNullNode extends ChildrenNode {
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67 @Specialization(guards = "value != null")
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68 String do1(String value) {
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69 return "do1";
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70 }
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71
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72 @Specialization
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73 String do2(Object value) {
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74 return "do2";
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75 }
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76 }
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77
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78 @Test
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79 public void testCompareNotNull() {
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80 CallTarget root = createCallTarget(CompareNotNullNodeFactory.getInstance());
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81 assertEquals("do1", root.call("42"));
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82 assertEquals("do2", root.call((Object) null));
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83 }
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84
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85 abstract static class CompareNotNullNode extends ChildrenNode {
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86 @Specialization(guards = "value != null")
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87 String do1(Object value) {
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88 return "do1";
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89 }
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90
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91 @Specialization
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92 String do2(Object value) {
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93 return "do2";
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94 }
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95 }
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96
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97 abstract static class ErrorNullIntComparison1 extends ChildrenNode {
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98 @ExpectError("Error parsing expression 'value == null': Incompatible operand types int and null.")
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99 @Specialization(guards = "value == null")
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100 String do1(int value) {
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101 return "do1";
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102 }
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103 }
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104
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105 abstract static class ErrorNullIntComparison2 extends ChildrenNode {
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106 @ExpectError("Error parsing expression '1 == null': Incompatible operand types int and null.")
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107 @Specialization(guards = "1 == null")
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108 String do1(int value) {
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109 return "do1";
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110 }
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111 }
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112
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113 abstract static class ErrorNullNullComparison extends ChildrenNode {
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114 @ExpectError("Error parsing expression 'null == null': The operator == is undefined for the argument type(s) null null.")
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115 @Specialization(guards = "null == null")
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116 String do1(int value) {
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117 return "do1";
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118 }
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119 }
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120
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121 abstract static class ErrorObjectVoidComparison extends ChildrenNode {
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122 protected static void returnVoid() {
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123 }
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124
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125 @ExpectError("Error parsing expression 'value == returnVoid()': Incompatible operand types Object and void.")
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126 @Specialization(guards = "value == returnVoid()")
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127 String do1(Object value) {
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128 return "do1";
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129 }
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130 }
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131
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132 }