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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LimitTest.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.Cached;
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27 import com.oracle.truffle.api.dsl.NodeChild;
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28 import com.oracle.truffle.api.dsl.Specialization;
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29 import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
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30 import com.oracle.truffle.api.dsl.test.LimitTestFactory.ConstantLimitTestFactory;
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31 import com.oracle.truffle.api.dsl.test.LimitTestFactory.DefaultLimit3TestFactory;
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32 import com.oracle.truffle.api.dsl.test.LimitTestFactory.LocalLimitTestFactory;
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33 import com.oracle.truffle.api.dsl.test.LimitTestFactory.MethodLimitTestFactory;
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34 import static com.oracle.truffle.api.dsl.test.TestHelper.createCallTarget;
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35 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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36 import static org.junit.Assert.assertEquals;
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37 import static org.junit.Assert.fail;
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38 import org.junit.Test;
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39
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40 @SuppressWarnings("unused")
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41 public class LimitTest {
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42
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43 @Test
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44 public void testDefaultLimit3() {
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45 CallTarget root = createCallTarget(DefaultLimit3TestFactory.getInstance());
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46 assertEquals(42, root.call(42));
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47 assertEquals(43, root.call(43));
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48 assertEquals(44, root.call(44));
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49 try {
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50 root.call(45);
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51 fail();
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52 } catch (UnsupportedSpecializationException e) {
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53 }
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54 }
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55
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56 @NodeChild
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57 static class DefaultLimit3Test extends ValueNode {
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58 @Specialization(guards = "value == cachedValue")
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59 static int do1(int value, @Cached("value") int cachedValue) {
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60 return cachedValue;
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61 }
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62 }
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63
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64 @Test
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65 public void testConstantLimit() {
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66 CallTarget root = createCallTarget(ConstantLimitTestFactory.getInstance());
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67 assertEquals(42, root.call(42));
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68 assertEquals(43, root.call(43));
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69 try {
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70 root.call(44);
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71 fail();
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72 } catch (UnsupportedSpecializationException e) {
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73 }
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74 }
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75
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76 @NodeChild
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77 static class ConstantLimitTest extends ValueNode {
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78
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79 public static final int LIMIT = 2;
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80
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81 @Specialization(limit = "LIMIT", guards = "value == cachedValue")
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82 static int do1(int value, @Cached("value") int cachedValue) {
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83 return cachedValue;
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84 }
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85 }
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86
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87 @Test
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88 public void testLocalLimit() {
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89 CallTarget root = createCallTarget(LocalLimitTestFactory.getInstance());
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90 assertEquals(42, root.call(42));
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91 assertEquals(43, root.call(43));
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92 try {
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93 root.call(44);
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94 fail();
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95 } catch (UnsupportedSpecializationException e) {
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96 }
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97 }
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98
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99 @NodeChild
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100 static class LocalLimitTest extends ValueNode {
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101
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102 protected int localLimit = 2;
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103
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104 @Specialization(limit = "localLimit", guards = "value == cachedValue")
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105 static int do1(int value, @Cached("value") int cachedValue) {
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106 return cachedValue;
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107 }
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108 }
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109
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110 @Test
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111 public void testMethodLimit() {
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112 MethodLimitTest.invocations = 0;
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113 CallTarget root = createCallTarget(MethodLimitTestFactory.getInstance());
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114 assertEquals(42, root.call(42));
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115 assertEquals(43, root.call(43));
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116 try {
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117 root.call(44);
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118 fail();
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119 } catch (UnsupportedSpecializationException e) {
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120 }
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121 assertEquals(3, MethodLimitTest.invocations);
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122 }
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123
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124 @NodeChild
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125 static class MethodLimitTest extends ValueNode {
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126
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127 static int invocations = 0;
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128
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129 @Specialization(limit = "calculateLimitFor(cachedValue, invocations)", guards = "value == cachedValue")
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130 static int do1(int value, @Cached("value") int cachedValue) {
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131 return cachedValue;
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132 }
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133
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134 int calculateLimitFor(int cachedValue, int boundField) {
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135 invocations = boundField + 1;
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136 return 2;
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137 }
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138
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139 }
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140
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141 @NodeChild
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142 static class LimitErrorTest1 extends ValueNode {
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143 @ExpectError("The limit expression has no effect.%")
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144 @Specialization(limit = "4")
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145 static int do1(int value) {
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146 return value;
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147 }
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148 }
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149
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150 @NodeChild
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151 static class LimitErrorTest2 extends ValueNode {
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152 public static final Object CONSTANT = new Object();
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153
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154 @ExpectError("Incompatible return type Object. Limit expressions must return int.")
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155 @Specialization(limit = "CONSTANT", guards = "value == cachedValue")
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156 static int do1(int value, @Cached("value") int cachedValue) {
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157 return value;
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158 }
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159 }
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160
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161 @NodeChild
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162 static class LimitErrorTest3 extends ValueNode {
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163
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164 public static final Object CONSTANT = new Object();
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165
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166 @ExpectError("Limit expressions must not bind dynamic parameter values.")
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167 @Specialization(limit = "value", guards = "value == cachedValue")
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168 static int do1(int value, @Cached("value") int cachedValue) {
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169 return value;
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170 }
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171 }
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172
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173 }