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1 /* |
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2 * Copyright (c) 2011, 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 |
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24 /* |
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25 * @test |
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26 * @bug 7073631 |
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27 * @summary tests error and diagnostics positions |
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28 * @author Jan Lahoda |
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29 */ |
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30 |
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31 import com.sun.source.tree.BinaryTree; |
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32 import com.sun.source.tree.BlockTree; |
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33 import com.sun.source.tree.ClassTree; |
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34 import com.sun.source.tree.CompilationUnitTree; |
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35 import com.sun.source.tree.ErroneousTree; |
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36 import com.sun.source.tree.ExpressionStatementTree; |
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37 import com.sun.source.tree.ExpressionTree; |
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38 import com.sun.source.tree.MethodInvocationTree; |
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39 import com.sun.source.tree.MethodTree; |
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40 import com.sun.source.tree.ModifiersTree; |
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41 import com.sun.source.tree.StatementTree; |
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42 import com.sun.source.tree.Tree; |
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43 import com.sun.source.tree.Tree.Kind; |
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44 import com.sun.source.tree.VariableTree; |
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45 import com.sun.source.tree.WhileLoopTree; |
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46 import com.sun.source.util.SourcePositions; |
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47 import com.sun.source.util.TreeScanner; |
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48 import com.sun.source.util.Trees; |
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49 import com.sun.tools.javac.api.JavacTaskImpl; |
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50 import com.sun.tools.javac.tree.JCTree; |
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51 import java.io.IOException; |
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52 import java.net.URI; |
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53 import java.util.ArrayList; |
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54 import java.util.Arrays; |
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55 import java.util.LinkedList; |
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56 import java.util.List; |
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57 import javax.tools.Diagnostic; |
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58 import javax.tools.DiagnosticCollector; |
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59 import javax.tools.DiagnosticListener; |
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60 import javax.tools.JavaCompiler; |
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61 import javax.tools.JavaFileObject; |
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62 import javax.tools.SimpleJavaFileObject; |
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63 import javax.tools.ToolProvider; |
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64 |
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65 public class JavacParserTest extends TestCase { |
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66 final JavaCompiler tool; |
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67 public JavacParserTest(String testName) { |
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68 tool = ToolProvider.getSystemJavaCompiler(); |
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69 System.out.println("java.home=" + System.getProperty("java.home")); |
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70 } |
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71 |
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72 static class MyFileObject extends SimpleJavaFileObject { |
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73 |
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74 private String text; |
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75 |
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76 public MyFileObject(String text) { |
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77 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
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78 this.text = text; |
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79 } |
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80 |
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81 @Override |
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82 public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
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83 return text; |
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84 } |
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85 } |
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86 /* |
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87 * converts Windows to Unix style LFs for comparing strings |
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88 */ |
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89 private String normalize(String in) { |
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90 return in.replace(System.getProperty("line.separator"), "\n"); |
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91 } |
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92 |
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93 public CompilationUnitTree getCompilationUnitTree(String code) throws IOException { |
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94 |
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95 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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96 null, Arrays.asList(new MyFileObject(code))); |
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97 CompilationUnitTree cut = ct.parse().iterator().next(); |
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98 return cut; |
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99 } |
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100 |
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101 public List<String> getErroneousTreeValues(ErroneousTree node) { |
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102 |
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103 List<String> values = new ArrayList<>(); |
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104 if (node.getErrorTrees() != null) { |
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105 for (Tree t : node.getErrorTrees()) { |
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106 values.add(t.toString()); |
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107 } |
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108 } else { |
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109 throw new RuntimeException("ERROR: No Erroneous tree " |
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110 + "has been created."); |
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111 } |
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112 return values; |
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113 } |
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114 |
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115 public void testPositionForSuperConstructorCalls() throws IOException { |
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116 assert tool != null; |
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117 |
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118 String code = "package test; public class Test {public Test() {super();}}"; |
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119 |
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120 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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121 null, Arrays.asList(new MyFileObject(code))); |
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122 CompilationUnitTree cut = ct.parse().iterator().next(); |
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123 SourcePositions pos = Trees.instance(ct).getSourcePositions(); |
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124 |
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125 MethodTree method = |
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126 (MethodTree) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0); |
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127 ExpressionStatementTree es = |
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128 (ExpressionStatementTree) method.getBody().getStatements().get(0); |
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129 |
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130 final int esStartPos = code.indexOf(es.toString()); |
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131 final int esEndPos = esStartPos + es.toString().length(); |
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132 assertEquals("testPositionForSuperConstructorCalls", |
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133 esStartPos, pos.getStartPosition(cut, es)); |
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134 assertEquals("testPositionForSuperConstructorCalls", |
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135 esEndPos, pos.getEndPosition(cut, es)); |
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136 |
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137 MethodInvocationTree mit = (MethodInvocationTree) es.getExpression(); |
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138 |
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139 final int mitStartPos = code.indexOf(mit.toString()); |
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140 final int mitEndPos = mitStartPos + mit.toString().length(); |
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141 assertEquals("testPositionForSuperConstructorCalls", |
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142 mitStartPos, pos.getStartPosition(cut, mit)); |
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143 assertEquals("testPositionForSuperConstructorCalls", |
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144 mitEndPos, pos.getEndPosition(cut, mit)); |
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145 |
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146 final int methodStartPos = mitStartPos; |
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147 final int methodEndPos = methodStartPos + mit.getMethodSelect().toString().length(); |
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148 assertEquals("testPositionForSuperConstructorCalls", |
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149 methodStartPos, pos.getStartPosition(cut, mit.getMethodSelect())); |
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150 assertEquals("testPositionForSuperConstructorCalls", |
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151 methodEndPos, pos.getEndPosition(cut, mit.getMethodSelect())); |
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152 |
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153 } |
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154 |
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155 public void testPositionForEnumModifiers() throws IOException { |
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156 |
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157 String code = "package test; public enum Test {A;}"; |
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158 |
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159 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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160 null, Arrays.asList(new MyFileObject(code))); |
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161 CompilationUnitTree cut = ct.parse().iterator().next(); |
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162 SourcePositions pos = Trees.instance(ct).getSourcePositions(); |
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163 |
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164 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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165 ModifiersTree mt = clazz.getModifiers(); |
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166 |
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167 assertEquals("testPositionForEnumModifiers", |
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168 38 - 24, pos.getStartPosition(cut, mt)); |
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169 assertEquals("testPositionForEnumModifiers", |
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170 44 - 24, pos.getEndPosition(cut, mt)); |
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171 } |
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172 |
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173 public void testNewClassWithEnclosing() throws IOException { |
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174 |
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175 |
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176 String code = "package test; class Test { " + |
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177 "class d {} private void method() { " + |
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178 "Object o = Test.this.new d(); } }"; |
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179 |
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180 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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181 null, Arrays.asList(new MyFileObject(code))); |
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182 CompilationUnitTree cut = ct.parse().iterator().next(); |
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183 SourcePositions pos = Trees.instance(ct).getSourcePositions(); |
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184 |
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185 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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186 ExpressionTree est = |
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187 ((VariableTree) ((MethodTree) clazz.getMembers().get(1)).getBody().getStatements().get(0)).getInitializer(); |
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188 |
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189 assertEquals("testNewClassWithEnclosing", |
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190 97 - 24, pos.getStartPosition(cut, est)); |
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191 assertEquals("testNewClassWithEnclosing", |
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192 114 - 24, pos.getEndPosition(cut, est)); |
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193 } |
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194 |
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195 public void testPreferredPositionForBinaryOp() throws IOException { |
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196 |
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197 String code = "package test; public class Test {" |
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198 + "private void test() {" |
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199 + "Object o = null; boolean b = o != null && o instanceof String;" |
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200 + "} private Test() {}}"; |
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201 |
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202 CompilationUnitTree cut = getCompilationUnitTree(code); |
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203 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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204 MethodTree method = (MethodTree) clazz.getMembers().get(0); |
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205 VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1); |
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206 BinaryTree cond = (BinaryTree) condSt.getInitializer(); |
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207 |
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208 JCTree condJC = (JCTree) cond; |
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209 int condStartPos = code.indexOf("&&"); |
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210 assertEquals("testPreferredPositionForBinaryOp", |
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211 condStartPos, condJC.pos); |
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212 } |
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213 |
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214 public void testPositionBrokenSource126732a() throws IOException { |
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215 String[] commands = new String[]{ |
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216 "return Runnable()", |
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217 "do { } while (true)", |
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218 "throw UnsupportedOperationException()", |
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219 "assert true", |
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220 "1 + 1",}; |
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221 |
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222 for (String command : commands) { |
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223 |
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224 String code = "package test;\n" |
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225 + "public class Test {\n" |
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226 + " public static void test() {\n" |
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227 + " " + command + " {\n" |
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228 + " new Runnable() {\n" |
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229 + " };\n" |
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230 + " }\n" |
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231 + "}"; |
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232 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, |
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233 null, null, Arrays.asList(new MyFileObject(code))); |
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234 CompilationUnitTree cut = ct.parse().iterator().next(); |
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235 |
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236 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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237 MethodTree method = (MethodTree) clazz.getMembers().get(0); |
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238 List<? extends StatementTree> statements = |
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239 method.getBody().getStatements(); |
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240 |
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241 StatementTree ret = statements.get(0); |
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242 StatementTree block = statements.get(1); |
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243 |
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244 Trees t = Trees.instance(ct); |
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245 int len = code.indexOf(command + " {") + (command + " ").length(); |
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246 assertEquals(command, len, |
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247 t.getSourcePositions().getEndPosition(cut, ret)); |
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248 assertEquals(command, len, |
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249 t.getSourcePositions().getStartPosition(cut, block)); |
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250 } |
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251 } |
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252 |
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253 public void testPositionBrokenSource126732b() throws IOException { |
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254 String[] commands = new String[]{ |
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255 "break", |
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256 "break A", |
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257 "continue ", |
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258 "continue A",}; |
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259 |
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260 for (String command : commands) { |
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261 |
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262 String code = "package test;\n" |
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263 + "public class Test {\n" |
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264 + " public static void test() {\n" |
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265 + " while (true) {\n" |
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266 + " " + command + " {\n" |
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267 + " new Runnable() {\n" |
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268 + " };\n" |
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269 + " }\n" |
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270 + " }\n" |
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271 + "}"; |
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272 |
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273 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, |
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274 null, null, Arrays.asList(new MyFileObject(code))); |
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275 CompilationUnitTree cut = ct.parse().iterator().next(); |
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276 |
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277 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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278 MethodTree method = (MethodTree) clazz.getMembers().get(0); |
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279 List<? extends StatementTree> statements = |
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280 ((BlockTree) ((WhileLoopTree) method.getBody().getStatements().get(0)).getStatement()).getStatements(); |
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281 |
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282 StatementTree ret = statements.get(0); |
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283 StatementTree block = statements.get(1); |
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284 |
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285 Trees t = Trees.instance(ct); |
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286 int len = code.indexOf(command + " {") + (command + " ").length(); |
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287 assertEquals(command, len, |
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288 t.getSourcePositions().getEndPosition(cut, ret)); |
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289 assertEquals(command, len, |
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290 t.getSourcePositions().getStartPosition(cut, block)); |
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291 } |
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292 } |
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293 |
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294 public void testErrorRecoveryForEnhancedForLoop142381() throws IOException { |
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295 |
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296 String code = "package test; class Test { " + |
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297 "private void method() { " + |
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298 "java.util.Set<String> s = null; for (a : s) {} } }"; |
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299 |
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300 final List<Diagnostic<? extends JavaFileObject>> errors = |
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301 new LinkedList<Diagnostic<? extends JavaFileObject>>(); |
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302 |
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303 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, |
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304 new DiagnosticListener<JavaFileObject>() { |
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305 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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306 errors.add(diagnostic); |
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307 } |
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308 }, null, null, Arrays.asList(new MyFileObject(code))); |
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309 |
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310 CompilationUnitTree cut = ct.parse().iterator().next(); |
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311 |
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312 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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313 StatementTree forStatement = |
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314 ((MethodTree) clazz.getMembers().get(0)).getBody().getStatements().get(1); |
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315 |
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316 assertEquals("testErrorRecoveryForEnhancedForLoop142381", |
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317 Kind.ENHANCED_FOR_LOOP, forStatement.getKind()); |
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318 assertFalse("testErrorRecoveryForEnhancedForLoop142381", errors.isEmpty()); |
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319 } |
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320 |
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321 public void testPositionAnnotationNoPackage187551() throws IOException { |
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322 |
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323 String code = "\n@interface Test {}"; |
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324 |
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325 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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326 null, Arrays.asList(new MyFileObject(code))); |
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327 |
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328 CompilationUnitTree cut = ct.parse().iterator().next(); |
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329 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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330 Trees t = Trees.instance(ct); |
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331 |
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332 assertEquals("testPositionAnnotationNoPackage187551", |
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333 1, t.getSourcePositions().getStartPosition(cut, clazz)); |
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334 } |
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335 |
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336 public void testPositionsSane() throws IOException { |
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337 performPositionsSanityTest("package test; class Test { " + |
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338 "private void method() { " + |
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339 "java.util.List<? extends java.util.List<? extends String>> l; " + |
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340 "} }"); |
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341 performPositionsSanityTest("package test; class Test { " + |
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342 "private void method() { " + |
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343 "java.util.List<? super java.util.List<? super String>> l; " + |
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344 "} }"); |
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345 performPositionsSanityTest("package test; class Test { " + |
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346 "private void method() { " + |
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347 "java.util.List<? super java.util.List<?>> l; } }"); |
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348 } |
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349 |
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350 private void performPositionsSanityTest(String code) throws IOException { |
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351 |
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352 final List<Diagnostic<? extends JavaFileObject>> errors = |
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353 new LinkedList<Diagnostic<? extends JavaFileObject>>(); |
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354 |
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355 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, |
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356 new DiagnosticListener<JavaFileObject>() { |
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357 |
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358 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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359 errors.add(diagnostic); |
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360 } |
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361 }, null, null, Arrays.asList(new MyFileObject(code))); |
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362 |
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363 final CompilationUnitTree cut = ct.parse().iterator().next(); |
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364 final Trees trees = Trees.instance(ct); |
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365 |
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366 new TreeScanner<Void, Void>() { |
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367 |
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368 private long parentStart = 0; |
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369 private long parentEnd = Integer.MAX_VALUE; |
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370 |
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371 @Override |
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372 public Void scan(Tree node, Void p) { |
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373 if (node == null) { |
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374 return null; |
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375 } |
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376 |
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377 long start = trees.getSourcePositions().getStartPosition(cut, node); |
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378 |
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379 if (start == (-1)) { |
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380 return null; //synthetic tree |
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381 } |
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382 assertTrue(node.toString() + ":" + start + "/" + parentStart, |
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383 parentStart <= start); |
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384 |
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385 long prevParentStart = parentStart; |
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386 |
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387 parentStart = start; |
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388 |
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389 long end = trees.getSourcePositions().getEndPosition(cut, node); |
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390 |
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391 assertTrue(node.toString() + ":" + end + "/" + parentEnd, |
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392 end <= parentEnd); |
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393 |
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394 long prevParentEnd = parentEnd; |
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395 |
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396 parentEnd = end; |
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397 |
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398 super.scan(node, p); |
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399 |
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400 parentStart = prevParentStart; |
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401 parentEnd = prevParentEnd; |
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402 |
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403 return null; |
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404 } |
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405 |
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406 private void assertTrue(String message, boolean b) { |
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407 if (!b) fail(message); |
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408 } |
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409 }.scan(cut, null); |
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410 } |
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411 |
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412 public void testCorrectWilcardPositions() throws IOException { |
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413 performWildcardPositionsTest("package test; import java.util.List; " + |
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414 "class Test { private void method() { List<? extends List<? extends String>> l; } }", |
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415 |
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416 Arrays.asList("List<? extends List<? extends String>> l;", |
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417 "List<? extends List<? extends String>>", |
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418 "List", |
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419 "? extends List<? extends String>", |
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420 "List<? extends String>", |
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421 "List", |
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422 "? extends String", |
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423 "String")); |
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424 performWildcardPositionsTest("package test; import java.util.List; " + |
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425 "class Test { private void method() { List<? super List<? super String>> l; } }", |
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426 |
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427 Arrays.asList("List<? super List<? super String>> l;", |
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428 "List<? super List<? super String>>", |
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429 "List", |
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430 "? super List<? super String>", |
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431 "List<? super String>", |
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432 "List", |
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433 "? super String", |
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434 "String")); |
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435 performWildcardPositionsTest("package test; import java.util.List; " + |
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436 "class Test { private void method() { List<? super List<?>> l; } }", |
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437 |
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438 Arrays.asList("List<? super List<?>> l;", |
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439 "List<? super List<?>>", |
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440 "List", |
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441 "? super List<?>", |
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442 "List<?>", |
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443 "List", |
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444 "?")); |
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445 performWildcardPositionsTest("package test; import java.util.List; " + |
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446 "class Test { private void method() { " + |
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447 "List<? extends List<? extends List<? extends String>>> l; } }", |
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448 |
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449 Arrays.asList("List<? extends List<? extends List<? extends String>>> l;", |
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450 "List<? extends List<? extends List<? extends String>>>", |
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451 "List", |
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452 "? extends List<? extends List<? extends String>>", |
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453 "List<? extends List<? extends String>>", |
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454 "List", |
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455 "? extends List<? extends String>", |
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456 "List<? extends String>", |
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457 "List", |
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458 "? extends String", |
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459 "String")); |
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460 performWildcardPositionsTest("package test; import java.util.List; " + |
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461 "class Test { private void method() { " + |
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462 "List<? extends List<? extends List<? extends String >>> l; } }", |
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463 Arrays.asList("List<? extends List<? extends List<? extends String >>> l;", |
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464 "List<? extends List<? extends List<? extends String >>>", |
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465 "List", |
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466 "? extends List<? extends List<? extends String >>", |
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467 "List<? extends List<? extends String >>", |
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468 "List", |
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469 "? extends List<? extends String >", |
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470 "List<? extends String >", |
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471 "List", |
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472 "? extends String", |
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473 "String")); |
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474 } |
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475 |
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476 public void performWildcardPositionsTest(final String code, |
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477 List<String> golden) throws IOException { |
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478 |
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479 final List<Diagnostic<? extends JavaFileObject>> errors = |
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480 new LinkedList<Diagnostic<? extends JavaFileObject>>(); |
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481 |
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482 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, |
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483 new DiagnosticListener<JavaFileObject>() { |
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484 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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485 errors.add(diagnostic); |
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486 } |
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487 }, null, null, Arrays.asList(new MyFileObject(code))); |
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488 |
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489 final CompilationUnitTree cut = ct.parse().iterator().next(); |
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490 final List<String> content = new LinkedList<String>(); |
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491 final Trees trees = Trees.instance(ct); |
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492 |
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493 new TreeScanner<Void, Void>() { |
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494 @Override |
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495 public Void scan(Tree node, Void p) { |
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496 if (node == null) { |
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497 return null; |
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498 } |
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499 long start = trees.getSourcePositions().getStartPosition(cut, node); |
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500 |
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501 if (start == (-1)) { |
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502 return null; //synthetic tree |
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503 } |
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504 long end = trees.getSourcePositions().getEndPosition(cut, node); |
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505 String s = code.substring((int) start, (int) end); |
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506 content.add(s); |
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507 |
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508 return super.scan(node, p); |
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509 } |
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510 }.scan(((MethodTree) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0)).getBody().getStatements().get(0), null); |
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511 |
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512 assertEquals("performWildcardPositionsTest",golden.toString(), |
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513 content.toString()); |
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514 } |
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515 |
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516 public void testStartPositionForMethodWithoutModifiers() throws IOException { |
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517 |
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518 String code = "package t; class Test { <T> void t() {} }"; |
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519 |
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520 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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521 null, Arrays.asList(new MyFileObject(code))); |
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522 CompilationUnitTree cut = ct.parse().iterator().next(); |
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523 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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524 MethodTree mt = (MethodTree) clazz.getMembers().get(0); |
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525 Trees t = Trees.instance(ct); |
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526 int start = (int) t.getSourcePositions().getStartPosition(cut, mt); |
|
527 int end = (int) t.getSourcePositions().getEndPosition(cut, mt); |
|
528 |
|
529 assertEquals("testStartPositionForMethodWithoutModifiers", |
|
530 "<T> void t() {}", code.substring(start, end)); |
|
531 } |
|
532 |
|
533 public void testStartPositionEnumConstantInit() throws IOException { |
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534 |
|
535 String code = "package t; enum Test { AAA; }"; |
|
536 |
|
537 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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538 null, Arrays.asList(new MyFileObject(code))); |
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539 CompilationUnitTree cut = ct.parse().iterator().next(); |
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540 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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541 VariableTree enumAAA = (VariableTree) clazz.getMembers().get(0); |
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542 Trees t = Trees.instance(ct); |
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543 int start = (int) t.getSourcePositions().getStartPosition(cut, |
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544 enumAAA.getInitializer()); |
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545 |
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546 assertEquals("testStartPositionEnumConstantInit", -1, start); |
|
547 } |
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548 |
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549 public void testVariableInIfThen1() throws IOException { |
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550 |
|
551 String code = "package t; class Test { " + |
|
552 "private static void t(String name) { " + |
|
553 "if (name != null) String nn = name.trim(); } }"; |
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554 |
|
555 DiagnosticCollector<JavaFileObject> coll = |
|
556 new DiagnosticCollector<JavaFileObject>(); |
|
557 |
|
558 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
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559 null, Arrays.asList(new MyFileObject(code))); |
|
560 |
|
561 ct.parse(); |
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562 |
|
563 List<String> codes = new LinkedList<String>(); |
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564 |
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565 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
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566 codes.add(d.getCode()); |
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567 } |
|
568 |
|
569 assertEquals("testVariableInIfThen1", |
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570 Arrays.<String>asList("compiler.err.variable.not.allowed"), |
|
571 codes); |
|
572 } |
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573 |
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574 public void testVariableInIfThen2() throws IOException { |
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575 |
|
576 String code = "package t; class Test { " + |
|
577 "private static void t(String name) { " + |
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578 "if (name != null) class X {} } }"; |
|
579 DiagnosticCollector<JavaFileObject> coll = |
|
580 new DiagnosticCollector<JavaFileObject>(); |
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581 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
|
582 null, Arrays.asList(new MyFileObject(code))); |
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583 |
|
584 ct.parse(); |
|
585 |
|
586 List<String> codes = new LinkedList<String>(); |
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587 |
|
588 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
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589 codes.add(d.getCode()); |
|
590 } |
|
591 |
|
592 assertEquals("testVariableInIfThen2", |
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593 Arrays.<String>asList("compiler.err.class.not.allowed"), codes); |
|
594 } |
|
595 |
|
596 public void testVariableInIfThen3() throws IOException { |
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597 |
|
598 String code = "package t; class Test { "+ |
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599 "private static void t(String name) { " + |
|
600 "if (name != null) abstract } }"; |
|
601 DiagnosticCollector<JavaFileObject> coll = |
|
602 new DiagnosticCollector<JavaFileObject>(); |
|
603 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
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604 null, Arrays.asList(new MyFileObject(code))); |
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605 |
|
606 ct.parse(); |
|
607 |
|
608 List<String> codes = new LinkedList<String>(); |
|
609 |
|
610 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
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611 codes.add(d.getCode()); |
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612 } |
|
613 |
|
614 assertEquals("testVariableInIfThen3", |
|
615 Arrays.<String>asList("compiler.err.illegal.start.of.expr"), |
|
616 codes); |
|
617 } |
|
618 |
|
619 //see javac bug #6882235, NB bug #98234: |
|
620 public void testMissingExponent() throws IOException { |
|
621 |
|
622 String code = "\nclass Test { { System.err.println(0e); } }"; |
|
623 |
|
624 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
|
625 null, Arrays.asList(new MyFileObject(code))); |
|
626 |
|
627 assertNotNull(ct.parse().iterator().next()); |
|
628 } |
|
629 |
|
630 public void testTryResourcePos() throws IOException { |
|
631 |
|
632 final String code = "package t; class Test { " + |
|
633 "{ try (java.io.InputStream in = null) { } } }"; |
|
634 |
|
635 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
636 |
|
637 new TreeScanner<Void, Void>() { |
|
638 @Override |
|
639 public Void visitVariable(VariableTree node, Void p) { |
|
640 if ("in".contentEquals(node.getName())) { |
|
641 JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node; |
|
642 System.out.println(node.getName() + "," + var.pos); |
|
643 assertEquals("testTryResourcePos", "in = null) { } } }", |
|
644 code.substring(var.pos)); |
|
645 } |
|
646 return super.visitVariable(node, p); |
|
647 } |
|
648 }.scan(cut, null); |
|
649 } |
|
650 |
|
651 public void testVarPos() throws IOException { |
|
652 |
|
653 final String code = "package t; class Test { " + |
|
654 "{ java.io.InputStream in = null; } }"; |
|
655 |
|
656 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
657 |
|
658 new TreeScanner<Void, Void>() { |
|
659 |
|
660 @Override |
|
661 public Void visitVariable(VariableTree node, Void p) { |
|
662 if ("in".contentEquals(node.getName())) { |
|
663 JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node; |
|
664 assertEquals("testVarPos","in = null; } }", |
|
665 code.substring(var.pos)); |
|
666 } |
|
667 return super.visitVariable(node, p); |
|
668 } |
|
669 }.scan(cut, null); |
|
670 } |
|
671 |
|
672 // expected erroneous tree: int x = y;(ERROR); |
|
673 public void testOperatorMissingError() throws IOException { |
|
674 |
|
675 String code = "package test; public class ErrorTest { " |
|
676 + "void method() { int x = y z } }"; |
|
677 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
678 final List<String> values = new ArrayList<>(); |
|
679 final List<String> expectedValues = |
|
680 new ArrayList<>(Arrays.asList("[z]")); |
|
681 |
|
682 new TreeScanner<Void, Void>() { |
|
683 |
|
684 @Override |
|
685 public Void visitErroneous(ErroneousTree node, Void p) { |
|
686 |
|
687 values.add(getErroneousTreeValues(node).toString()); |
|
688 return null; |
|
689 |
|
690 } |
|
691 }.scan(cut, null); |
|
692 |
|
693 assertEquals("testSwitchError: The Erroneous tree " |
|
694 + "error values: " + values |
|
695 + " do not match expected error values: " |
|
696 + expectedValues, values, expectedValues); |
|
697 } |
|
698 |
|
699 //expected erroneous tree: String s = (ERROR); |
|
700 public void testMissingParenthesisError() throws IOException { |
|
701 |
|
702 String code = "package test; public class ErrorTest { " |
|
703 + "void f() {String s = new String; } }"; |
|
704 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
705 final List<String> values = new ArrayList<>(); |
|
706 final List<String> expectedValues = |
|
707 new ArrayList<>(Arrays.asList("[new String()]")); |
|
708 |
|
709 new TreeScanner<Void, Void>() { |
|
710 |
|
711 @Override |
|
712 public Void visitErroneous(ErroneousTree node, Void p) { |
|
713 |
|
714 values.add(getErroneousTreeValues(node).toString()); |
|
715 return null; |
|
716 } |
|
717 }.scan(cut, null); |
|
718 |
|
719 assertEquals("testSwitchError: The Erroneous tree " |
|
720 + "error values: " + values |
|
721 + " do not match expected error values: " |
|
722 + expectedValues, values, expectedValues); |
|
723 } |
|
724 |
|
725 //expected erroneous tree: package test; (ERROR)(ERROR) |
|
726 public void testMissingClassError() throws IOException { |
|
727 |
|
728 String code = "package Test; clas ErrorTest { " |
|
729 + "void f() {String s = new String(); } }"; |
|
730 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
731 final List<String> values = new ArrayList<>(); |
|
732 final List<String> expectedValues = |
|
733 new ArrayList<>(Arrays.asList("[, clas]", "[]")); |
|
734 |
|
735 new TreeScanner<Void, Void>() { |
|
736 |
|
737 @Override |
|
738 public Void visitErroneous(ErroneousTree node, Void p) { |
|
739 |
|
740 values.add(getErroneousTreeValues(node).toString()); |
|
741 return null; |
|
742 } |
|
743 }.scan(cut, null); |
|
744 |
|
745 assertEquals("testSwitchError: The Erroneous tree " |
|
746 + "error values: " + values |
|
747 + " do not match expected error values: " |
|
748 + expectedValues, values, expectedValues); |
|
749 } |
|
750 |
|
751 //expected erroneous tree: void m1(int i) {(ERROR);{(ERROR);} |
|
752 public void testSwitchError() throws IOException { |
|
753 |
|
754 String code = "package test; public class ErrorTest { " |
|
755 + "int numDays; void m1(int i) { switchh {i} { case 1: " |
|
756 + "numDays = 31; break; } } }"; |
|
757 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
758 final List<String> values = new ArrayList<>(); |
|
759 final List<String> expectedValues = |
|
760 new ArrayList<>(Arrays.asList("[switchh]", "[i]")); |
|
761 |
|
762 new TreeScanner<Void, Void>() { |
|
763 |
|
764 @Override |
|
765 public Void visitErroneous(ErroneousTree node, Void p) { |
|
766 |
|
767 values.add(getErroneousTreeValues(node).toString()); |
|
768 return null; |
|
769 } |
|
770 }.scan(cut, null); |
|
771 |
|
772 assertEquals("testSwitchError: The Erroneous tree " |
|
773 + "error values: " + values |
|
774 + " do not match expected error values: " |
|
775 + expectedValues, values, expectedValues); |
|
776 } |
|
777 |
|
778 //expected erroneous tree: class ErrorTest {(ERROR) |
|
779 public void testMethodError() throws IOException { |
|
780 |
|
781 String code = "package Test; class ErrorTest { " |
|
782 + "static final void f) {String s = new String(); } }"; |
|
783 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
784 final List<String> values = new ArrayList<>(); |
|
785 final List<String> expectedValues = |
|
786 new ArrayList<>(Arrays.asList("[\nstatic final void f();]")); |
|
787 |
|
788 new TreeScanner<Void, Void>() { |
|
789 |
|
790 @Override |
|
791 public Void visitErroneous(ErroneousTree node, Void p) { |
|
792 |
|
793 values.add(normalize(getErroneousTreeValues(node).toString())); |
|
794 return null; |
|
795 } |
|
796 }.scan(cut, null); |
|
797 |
|
798 assertEquals("testMethodError: The Erroneous tree " |
|
799 + "error value: " + values |
|
800 + " does not match expected error values: " |
|
801 + expectedValues, values, expectedValues); |
|
802 } |
|
803 |
|
804 void testsNotWorking() throws IOException { |
|
805 |
|
806 // Fails with nb-javac, needs further investigation |
|
807 testPositionBrokenSource126732a(); |
|
808 testPositionBrokenSource126732b(); |
|
809 |
|
810 // Fails, these tests yet to be addressed |
|
811 testVariableInIfThen1(); |
|
812 testVariableInIfThen2(); |
|
813 testPositionForEnumModifiers(); |
|
814 testStartPositionEnumConstantInit(); |
|
815 } |
|
816 void testPositions() throws IOException { |
|
817 testPositionsSane(); |
|
818 testCorrectWilcardPositions(); |
|
819 testPositionAnnotationNoPackage187551(); |
|
820 testPositionForSuperConstructorCalls(); |
|
821 testPreferredPositionForBinaryOp(); |
|
822 testStartPositionForMethodWithoutModifiers(); |
|
823 testVarPos(); |
|
824 testVariableInIfThen3(); |
|
825 testMissingExponent(); |
|
826 testTryResourcePos(); |
|
827 testOperatorMissingError(); |
|
828 testMissingParenthesisError(); |
|
829 testMissingClassError(); |
|
830 testSwitchError(); |
|
831 testMethodError(); |
|
832 } |
|
833 |
|
834 public static void main(String... args) throws IOException { |
|
835 JavacParserTest jpt = new JavacParserTest("JavacParserTest"); |
|
836 jpt.testPositions(); |
|
837 System.out.println("PASS"); |
|
838 } |
|
839 } |
|
840 |
|
841 abstract class TestCase { |
|
842 |
|
843 void assertEquals(String message, int i, int pos) { |
|
844 if (i != pos) { |
|
845 fail(message); |
|
846 } |
|
847 } |
|
848 |
|
849 void assertFalse(String message, boolean empty) { |
|
850 throw new UnsupportedOperationException("Not yet implemented"); |
|
851 } |
|
852 |
|
853 void assertEquals(String message, int i, long l) { |
|
854 if (i != l) { |
|
855 fail(message + ":" + i + ":" + l); |
|
856 } |
|
857 } |
|
858 |
|
859 void assertEquals(String message, Object o1, Object o2) { |
|
860 System.out.println(o1); |
|
861 System.out.println(o2); |
|
862 if (o1 != null && o2 != null && !o1.equals(o2)) { |
|
863 fail(message); |
|
864 } |
|
865 if (o1 == null && o2 != null) { |
|
866 fail(message); |
|
867 } |
|
868 } |
|
869 |
|
870 void assertNotNull(Object o) { |
|
871 if (o == null) { |
|
872 fail(); |
|
873 } |
|
874 } |
|
875 |
|
876 void fail() { |
|
877 fail("test failed"); |
|
878 } |
|
879 |
|
880 void fail(String message) { |
|
881 throw new RuntimeException(message); |
|
882 } |
|
883 } |