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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SourceSectionTest.java @ 16967:c5db657d93c1

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Truffle-DSL: added test for source sections in @CreateCast methods.
author Christian Humer <christian.humer@gmail.com>
date Wed, 27 Aug 2014 11:35:59 +0200
parents f5541b01f374
children a665483c3881
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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.*;
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26 import static org.hamcrest.CoreMatchers.*;
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27 import static org.junit.Assert.*;
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28
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29 import org.junit.*;
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30 import org.junit.experimental.theories.*;
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31 import org.junit.runner.*;
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32
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33 import com.oracle.truffle.api.dsl.*;
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34 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection0Factory;
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35 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection1Factory;
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36 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
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37 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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38 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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39 import com.oracle.truffle.api.nodes.*;
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40 import com.oracle.truffle.api.source.*;
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41
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42 @RunWith(Theories.class)
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43 public class SourceSectionTest {
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44
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45 @DataPoints public static final int[] data = new int[]{1, 2, 3, 4};
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46
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47 @Theory
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48 public void testSourceSections(int value0, int value1, int value2) {
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49 TestRootNode<SourceSection0> root = createRoot(SourceSection0Factory.getInstance());
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50 SourceSection section = new NullSourceSection("a", "b");
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51 root.getNode().assignSourceSection(section);
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52 expectSourceSection(root.getNode(), section);
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53 assertThat((int) executeWith(root, value0), is(value0));
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54 expectSourceSection(root.getNode(), section);
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55 assertThat((int) executeWith(root, value1), is(value1));
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56 expectSourceSection(root.getNode(), section);
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57 assertThat((int) executeWith(root, value2), is(value2));
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58 expectSourceSection(root.getNode(), section);
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59 }
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60
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61 private static void expectSourceSection(Node root, SourceSection section) {
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62 assertThat(root.getSourceSection(), is(sameInstance(section)));
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63 for (Node child : root.getChildren()) {
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64 if (child instanceof ArgumentNode) {
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65 continue;
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66 }
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67 if (child != null) {
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68 expectSourceSection(child, section);
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69 }
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70 }
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71 }
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72
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73 @NodeChild("a")
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74 static class SourceSection0 extends ValueNode {
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75
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76 boolean isOne(int a) {
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77 return a == 1;
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78 }
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79
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80 boolean isTwo(int a) {
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81 return a == 2;
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82 }
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83
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84 boolean isThree(int a) {
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85 return a == 3;
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86 }
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87
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88 @Specialization(guards = "isOne")
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89 int do1(int a) {
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90 return a;
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91 }
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92
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93 @Specialization(guards = "isTwo")
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94 int do2(int a) {
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95 return a;
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96 }
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97
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98 @Specialization(guards = "isThree")
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99 int do3(int a) {
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100 return a;
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101 }
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102
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103 @Fallback
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104 Object do4(Object a) {
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105 return a; // the generic answer to all questions
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106 }
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107 }
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108
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109 @Test
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110 public void testCreateCast() {
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111 SourceSection section = new NullSourceSection("a", "b");
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112 TestRootNode<SourceSection1> root = createRootPrefix(SourceSection1Factory.getInstance(), true, section);
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113 expectSourceSection(root.getNode(), section);
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114 assertThat((int) executeWith(root, 1), is(1));
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115 expectSourceSection(root.getNode(), section);
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116 }
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117
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118 @NodeChild("a")
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119 static class SourceSection1 extends ValueNode {
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120
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121 public SourceSection1(SourceSection section) {
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122 super(section);
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123 }
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124
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125 @CreateCast("a")
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126 public ValueNode cast(ValueNode node) {
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127 assert getSourceSection() != null;
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128 return node;
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129 }
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130
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131 @Specialization
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132 int do0(int a) {
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133 return a;
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134 }
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135
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136 }
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137 }