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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SourceSectionTest.java @ 22548:6b76a24fffbd default tip

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Use all variables: a, b, u,v and x, y
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Thu, 14 Jan 2016 14:20:57 +0100
parents 5309cc9668e3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2014, 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.createRoot;
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26 import static com.oracle.truffle.api.dsl.test.TestHelper.createRootPrefix;
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27 import static com.oracle.truffle.api.dsl.test.TestHelper.executeWith;
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28 import static org.hamcrest.CoreMatchers.is;
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29 import static org.hamcrest.CoreMatchers.sameInstance;
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30 import static org.junit.Assert.assertNull;
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31 import static org.junit.Assert.assertThat;
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32
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33 import org.junit.Test;
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34 import org.junit.experimental.theories.DataPoints;
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35 import org.junit.experimental.theories.Theories;
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36 import org.junit.experimental.theories.Theory;
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37 import org.junit.runner.RunWith;
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38
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39 import com.oracle.truffle.api.dsl.CreateCast;
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40 import com.oracle.truffle.api.dsl.Fallback;
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41 import com.oracle.truffle.api.dsl.NodeChild;
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42 import com.oracle.truffle.api.dsl.Specialization;
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43 import com.oracle.truffle.api.dsl.internal.SpecializationNode;
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44 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection0Factory;
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45 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection1Factory;
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46 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
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47 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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48 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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49 import com.oracle.truffle.api.nodes.Node;
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50 import com.oracle.truffle.api.source.SourceSection;
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51
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52 @RunWith(Theories.class)
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53 public class SourceSectionTest {
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54
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55 @DataPoints public static final int[] data = new int[]{1, 2, 3, 4};
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56
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57 @Theory
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58 public void testSourceSections(int value0, int value1, int value2) {
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59 TestRootNode<SourceSection0> root = createRoot(SourceSection0Factory.getInstance());
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60 SourceSection section = SourceSection.createUnavailable("a", "b");
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61 root.getNode().assignSourceSection(section);
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62 expectSourceSection(root.getNode(), section);
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63 assertThat((int) executeWith(root, value0), is(value0));
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64 expectSourceSection(root.getNode(), section);
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65 assertThat((int) executeWith(root, value1), is(value1));
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66 expectSourceSection(root.getNode(), section);
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67 assertThat((int) executeWith(root, value2), is(value2));
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68 expectSourceSection(root.getNode(), section);
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69 }
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70
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71 private static void expectSourceSection(Node root, SourceSection section) {
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72 assertThat(root.getSourceSection(), is(sameInstance(section)));
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73 for (Node child : root.getChildren()) {
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74 if (child instanceof ArgumentNode || child instanceof SpecializationNode) {
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75 continue;
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76 }
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77 if (child != null) {
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78 expectSourceSection(child, section);
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79 }
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80 }
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81 }
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82
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83 @NodeChild("a")
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84 static class SourceSection0 extends ValueNode {
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85
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86 @Specialization(guards = "a == 1")
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87 int do1(int a) {
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88 return a;
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89 }
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90
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91 @Specialization(guards = "a == 2")
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92 int do2(int a) {
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93 return a;
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94 }
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95
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96 @Specialization(guards = "a == 3")
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97 int do3(int a) {
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98 return a;
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99 }
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100
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101 @Fallback
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102 Object do4(Object a) {
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103 return a; // the generic answer to all questions
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104 }
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105 }
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106
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107 @Test
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108 public void testCreateCast() {
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109 SourceSection section = SourceSection.createUnavailable("a", "b");
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110 assertNull(section.getSource());
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111 TestRootNode<SourceSection1> root = createRootPrefix(SourceSection1Factory.getInstance(), true, section);
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112 expectSourceSection(root.getNode(), section);
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113 assertThat((int) executeWith(root, 1), is(1));
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114 expectSourceSection(root.getNode(), section);
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115 }
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116
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117 @NodeChild("a")
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118 static class SourceSection1 extends ValueNode {
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119
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120 public SourceSection1(SourceSection section) {
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121 super(section);
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122 }
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123
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124 @CreateCast("a")
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125 public ValueNode cast(ValueNode node) {
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126 assert getSourceSection() != null;
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127 return node;
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128 }
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129
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130 @Specialization
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131 int do0(int a) {
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132 return a;
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133 }
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134
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135 }
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136 }