Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/NullLiteralGuardsTest.java @ 21560:a9fba0dfb155
added lower runtime overhead mechanism for setting "graal.version" system property
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 May 2015 16:39:41 +0200 |
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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 } |