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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/FallbackTest.java @ 21615:838f005f9aec

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handle service filtering that returns an empty result
author Doug Simon <doug.simon@oracle.com>
date Sun, 31 May 2015 14:30:13 +0200
parents b1530a6cce8c
children
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1 /*
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2 * Copyright (c) 2012, 2012, 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
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27 import org.junit.*;
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28
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29 import com.oracle.truffle.api.dsl.*;
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30 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback1Factory;
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31 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback2Factory;
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32 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback3Factory;
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33 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback4Factory;
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34 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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35 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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36 import com.oracle.truffle.api.frame.*;
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37 import com.oracle.truffle.api.nodes.*;
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38
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39 public class FallbackTest {
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40
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41 private static final Object UNKNOWN_OBJECT = new Object() {
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42 };
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43
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44 @Test
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45 public void testFallback1() {
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46 assertRuns(Fallback1Factory.getInstance(), //
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47 array(42, UNKNOWN_OBJECT), //
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48 array("(int)", "(fallback)"));
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49 }
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50
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51 /**
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52 * Test with fallback handler defined.
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53 */
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54 @SuppressWarnings("unused")
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55 @NodeChild("a")
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56 abstract static class Fallback1 extends ValueNode {
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57
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58 @Override
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59 public abstract String executeString(VirtualFrame frame);
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60
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61 @Specialization
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62 String f1(int a) {
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63 return "(int)";
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64 }
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65
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66 @Fallback
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67 String f2(Object a) {
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68 return "(fallback)";
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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 testFallback2() {
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74 assertRuns(Fallback2Factory.getInstance(), //
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75 array(42, UNKNOWN_OBJECT), //
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76 array("(int)", UnsupportedSpecializationException.class));
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77 }
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78
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79 /**
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80 * Test without fallback handler defined.
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81 */
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82 @SuppressWarnings("unused")
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83 @NodeChild("a")
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84 abstract static class Fallback2 extends ValueNode {
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85
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86 @Specialization
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87 String f1(int a) {
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88 return "(int)";
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89 }
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90
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91 }
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92
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93 @Test
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94 public void testFallback3() {
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95 assertRuns(Fallback3Factory.getInstance(), //
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96 array(42, 43, UNKNOWN_OBJECT, "somestring"), //
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97 array("(int)", "(int)", "(object)", "(object)"));
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98 }
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99
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100 /**
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101 * Test without fallback handler and unreachable.
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102 */
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103 @SuppressWarnings("unused")
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104 @NodeChild("a")
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105 abstract static class Fallback3 extends ValueNode {
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106
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107 @Specialization
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108 String f1(int a) {
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109 return "(int)";
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110 }
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111
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112 @Specialization(guards = "notInt(a)")
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113 String f2(Object a) {
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114 return "(object)";
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115 }
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116
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117 boolean notInt(Object value) {
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118 return !(value instanceof Integer);
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119 }
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120
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121 }
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122
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123 /**
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124 * Tests the contents of the {@link UnsupportedSpecializationException} contents in polymorphic
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125 * nodes.
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126 */
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127 @Test
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128 public void testFallback4() {
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129 TestRootNode<Fallback4> node = createRoot(Fallback4Factory.getInstance());
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130
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131 Assert.assertEquals("(int)", executeWith(node, 1));
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132 Assert.assertEquals("(boolean)", executeWith(node, true));
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133 try {
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Christian Humer <christian.humer@gmail.com>
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134 executeWith(node, UNKNOWN_OBJECT);
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Christian Humer <christian.humer@gmail.com>
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135 Assert.fail();
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Christian Humer <christian.humer@gmail.com>
parents:
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136 } catch (UnsupportedSpecializationException e) {
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Christian Humer <christian.humer@gmail.com>
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137 Assert.assertEquals(node.getNode(), e.getNode());
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Christian Humer <christian.humer@gmail.com>
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138 Assert.assertArrayEquals(NodeUtil.findNodeChildren(node.getNode()).subList(0, 1).toArray(new Node[0]), e.getSuppliedNodes());
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Christian Humer <christian.humer@gmail.com>
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139 Assert.assertArrayEquals(new Object[]{UNKNOWN_OBJECT}, e.getSuppliedValues());
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Christian Humer <christian.humer@gmail.com>
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140 }
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Christian Humer <christian.humer@gmail.com>
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141 }
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Christian Humer <christian.humer@gmail.com>
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142
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Christian Humer <christian.humer@gmail.com>
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143 /**
18163
c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
Doug Simon <doug.simon@oracle.com>
parents: 16760
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144 * Test without fallback handler and unreachable.
16756
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Christian Humer <christian.humer@gmail.com>
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145 */
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Christian Humer <christian.humer@gmail.com>
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146 @SuppressWarnings("unused")
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Christian Humer <christian.humer@gmail.com>
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147 @NodeChild("a")
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Christian Humer <christian.humer@gmail.com>
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148 abstract static class Fallback4 extends ValueNode {
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Christian Humer <christian.humer@gmail.com>
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149
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Christian Humer <christian.humer@gmail.com>
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150 @Specialization
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Christian Humer <christian.humer@gmail.com>
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151 String f1(int a) {
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Christian Humer <christian.humer@gmail.com>
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152 return "(int)";
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Christian Humer <christian.humer@gmail.com>
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153 }
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Christian Humer <christian.humer@gmail.com>
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154
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Christian Humer <christian.humer@gmail.com>
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155 @Specialization
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Christian Humer <christian.humer@gmail.com>
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156 String f2(boolean a) {
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Christian Humer <christian.humer@gmail.com>
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157 return "(boolean)";
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Christian Humer <christian.humer@gmail.com>
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158 }
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Christian Humer <christian.humer@gmail.com>
parents:
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159 }
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Christian Humer <christian.humer@gmail.com>
parents:
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160
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Christian Humer <christian.humer@gmail.com>
parents:
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161 /**
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Christian Humer <christian.humer@gmail.com>
parents:
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162 * Tests the contents of the {@link UnsupportedSpecializationException} contents in monomorphic
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Christian Humer <christian.humer@gmail.com>
parents:
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163 * nodes.
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Christian Humer <christian.humer@gmail.com>
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164 */
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Christian Humer <christian.humer@gmail.com>
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165 @Test
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Christian Humer <christian.humer@gmail.com>
parents:
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166 public void testFallback5() {
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Christian Humer <christian.humer@gmail.com>
parents:
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167 TestRootNode<Fallback4> node = createRoot(Fallback4Factory.getInstance());
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Christian Humer <christian.humer@gmail.com>
parents:
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168
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Christian Humer <christian.humer@gmail.com>
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169 Assert.assertEquals("(int)", executeWith(node, 1));
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Christian Humer <christian.humer@gmail.com>
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170 try {
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Christian Humer <christian.humer@gmail.com>
parents:
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171 executeWith(node, UNKNOWN_OBJECT);
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Christian Humer <christian.humer@gmail.com>
parents:
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172 Assert.fail();
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Christian Humer <christian.humer@gmail.com>
parents:
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173 } catch (UnsupportedSpecializationException e) {
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Christian Humer <christian.humer@gmail.com>
parents:
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174 Assert.assertEquals(node.getNode(), e.getNode());
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Christian Humer <christian.humer@gmail.com>
parents:
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175 Assert.assertArrayEquals(NodeUtil.findNodeChildren(node.getNode()).subList(0, 1).toArray(new Node[0]), e.getSuppliedNodes());
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Christian Humer <christian.humer@gmail.com>
parents:
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176 Assert.assertArrayEquals(new Object[]{UNKNOWN_OBJECT}, e.getSuppliedValues());
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Christian Humer <christian.humer@gmail.com>
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177 }
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Christian Humer <christian.humer@gmail.com>
parents:
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178 }
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Christian Humer <christian.humer@gmail.com>
parents:
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179
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Christian Humer <christian.humer@gmail.com>
parents:
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180 // test without fallback handler and unreachable
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Christian Humer <christian.humer@gmail.com>
parents:
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181 @SuppressWarnings("unused")
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Christian Humer <christian.humer@gmail.com>
parents:
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182 @NodeChild("a")
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
183 abstract static class Fallback5 extends ValueNode {
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Christian Humer <christian.humer@gmail.com>
parents:
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184
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Christian Humer <christian.humer@gmail.com>
parents:
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185 @Specialization
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Christian Humer <christian.humer@gmail.com>
parents:
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186 String f1(int a) {
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Christian Humer <christian.humer@gmail.com>
parents:
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187 return "(int)";
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Christian Humer <christian.humer@gmail.com>
parents:
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188 }
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Christian Humer <christian.humer@gmail.com>
parents:
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189 }
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Christian Humer <christian.humer@gmail.com>
parents:
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190
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Christian Humer <christian.humer@gmail.com>
parents:
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191 }