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1 /* |
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 7073631 7159445 7156633 |
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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.lang.annotation.ElementType; |
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53 import java.lang.annotation.Retention; |
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54 import java.lang.annotation.RetentionPolicy; |
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55 import java.lang.annotation.Target; |
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56 import java.lang.reflect.Method; |
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57 import java.net.URI; |
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58 import java.util.ArrayList; |
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59 import java.util.Arrays; |
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60 import java.util.LinkedList; |
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61 import java.util.List; |
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62 import java.util.regex.Pattern; |
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63 import javax.tools.Diagnostic; |
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64 import javax.tools.DiagnosticCollector; |
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65 import javax.tools.DiagnosticListener; |
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66 import javax.tools.JavaCompiler; |
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67 import javax.tools.JavaFileObject; |
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68 import javax.tools.SimpleJavaFileObject; |
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69 import javax.tools.ToolProvider; |
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70 |
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71 public class JavacParserTest extends TestCase { |
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72 static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
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73 |
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74 private JavacParserTest(){} |
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75 |
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76 public static void main(String... args) throws Exception { |
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77 new JavacParserTest().run(args); |
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78 } |
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79 |
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80 class MyFileObject extends SimpleJavaFileObject { |
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81 |
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82 private String text; |
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83 |
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84 public MyFileObject(String text) { |
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85 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
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86 this.text = text; |
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87 } |
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88 |
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89 @Override |
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90 public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
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91 return text; |
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92 } |
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93 } |
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94 /* |
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95 * converts Windows to Unix style LFs for comparing strings |
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96 */ |
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97 String normalize(String in) { |
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98 return in.replace(System.getProperty("line.separator"), "\n"); |
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99 } |
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100 |
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101 CompilationUnitTree getCompilationUnitTree(String code) throws IOException { |
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102 |
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103 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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104 null, Arrays.asList(new MyFileObject(code))); |
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105 CompilationUnitTree cut = ct.parse().iterator().next(); |
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106 return cut; |
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107 } |
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108 |
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109 List<String> getErroneousTreeValues(ErroneousTree node) { |
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110 |
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111 List<String> values = new ArrayList<>(); |
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112 if (node.getErrorTrees() != null) { |
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113 for (Tree t : node.getErrorTrees()) { |
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114 values.add(t.toString()); |
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115 } |
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116 } else { |
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117 throw new RuntimeException("ERROR: No Erroneous tree " |
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118 + "has been created."); |
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119 } |
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120 return values; |
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121 } |
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122 |
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123 @Test |
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124 void testPositionForSuperConstructorCalls() throws IOException { |
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125 assert tool != null; |
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126 |
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127 String code = "package test; public class Test {public Test() {super();}}"; |
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128 |
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129 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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130 null, Arrays.asList(new MyFileObject(code))); |
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131 CompilationUnitTree cut = ct.parse().iterator().next(); |
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132 SourcePositions pos = Trees.instance(ct).getSourcePositions(); |
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133 |
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134 MethodTree method = |
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135 (MethodTree) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0); |
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136 ExpressionStatementTree es = |
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137 (ExpressionStatementTree) method.getBody().getStatements().get(0); |
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138 |
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139 final int esStartPos = code.indexOf(es.toString()); |
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140 final int esEndPos = esStartPos + es.toString().length(); |
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141 assertEquals("testPositionForSuperConstructorCalls", |
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142 esStartPos, pos.getStartPosition(cut, es)); |
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143 assertEquals("testPositionForSuperConstructorCalls", |
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144 esEndPos, pos.getEndPosition(cut, es)); |
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145 |
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146 MethodInvocationTree mit = (MethodInvocationTree) es.getExpression(); |
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147 |
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148 final int mitStartPos = code.indexOf(mit.toString()); |
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149 final int mitEndPos = mitStartPos + mit.toString().length(); |
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150 assertEquals("testPositionForSuperConstructorCalls", |
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151 mitStartPos, pos.getStartPosition(cut, mit)); |
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152 assertEquals("testPositionForSuperConstructorCalls", |
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153 mitEndPos, pos.getEndPosition(cut, mit)); |
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154 |
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155 final int methodStartPos = mitStartPos; |
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156 final int methodEndPos = methodStartPos + mit.getMethodSelect().toString().length(); |
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157 assertEquals("testPositionForSuperConstructorCalls", |
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158 methodStartPos, pos.getStartPosition(cut, mit.getMethodSelect())); |
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159 assertEquals("testPositionForSuperConstructorCalls", |
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160 methodEndPos, pos.getEndPosition(cut, mit.getMethodSelect())); |
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161 } |
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162 |
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163 @Test |
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164 void testPositionForEnumModifiers() throws IOException { |
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165 final String theString = "public"; |
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166 String code = "package test; " + theString + " enum Test {A;}"; |
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167 |
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168 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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169 null, Arrays.asList(new MyFileObject(code))); |
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170 CompilationUnitTree cut = ct.parse().iterator().next(); |
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171 SourcePositions pos = Trees.instance(ct).getSourcePositions(); |
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172 |
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173 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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174 ModifiersTree mt = clazz.getModifiers(); |
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175 int spos = code.indexOf(theString); |
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176 int epos = spos + theString.length(); |
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177 assertEquals("testPositionForEnumModifiers", |
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178 spos, pos.getStartPosition(cut, mt)); |
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179 assertEquals("testPositionForEnumModifiers", |
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180 epos, pos.getEndPosition(cut, mt)); |
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181 } |
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182 |
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183 @Test |
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184 void testNewClassWithEnclosing() throws IOException { |
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185 |
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186 final String theString = "Test.this.new d()"; |
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187 String code = "package test; class Test { " + |
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188 "class d {} private void method() { " + |
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189 "Object o = " + theString + "; } }"; |
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190 |
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191 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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192 null, Arrays.asList(new MyFileObject(code))); |
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193 CompilationUnitTree cut = ct.parse().iterator().next(); |
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194 SourcePositions pos = Trees.instance(ct).getSourcePositions(); |
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195 |
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196 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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197 ExpressionTree est = |
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198 ((VariableTree) ((MethodTree) clazz.getMembers().get(1)).getBody().getStatements().get(0)).getInitializer(); |
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199 |
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200 final int spos = code.indexOf(theString); |
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201 final int epos = spos + theString.length(); |
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202 assertEquals("testNewClassWithEnclosing", |
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203 spos, pos.getStartPosition(cut, est)); |
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204 assertEquals("testNewClassWithEnclosing", |
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205 epos, pos.getEndPosition(cut, est)); |
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206 } |
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207 |
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208 @Test |
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209 void testPreferredPositionForBinaryOp() throws IOException { |
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210 |
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211 String code = "package test; public class Test {" |
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212 + "private void test() {" |
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213 + "Object o = null; boolean b = o != null && o instanceof String;" |
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214 + "} private Test() {}}"; |
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215 |
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216 CompilationUnitTree cut = getCompilationUnitTree(code); |
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217 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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218 MethodTree method = (MethodTree) clazz.getMembers().get(0); |
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219 VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1); |
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220 BinaryTree cond = (BinaryTree) condSt.getInitializer(); |
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221 |
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222 JCTree condJC = (JCTree) cond; |
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223 int condStartPos = code.indexOf("&&"); |
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224 assertEquals("testPreferredPositionForBinaryOp", |
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225 condStartPos, condJC.pos); |
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226 } |
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227 |
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228 @Test |
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229 void testErrorRecoveryForEnhancedForLoop142381() throws IOException { |
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230 |
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231 String code = "package test; class Test { " + |
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232 "private void method() { " + |
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233 "java.util.Set<String> s = null; for (a : s) {} } }"; |
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234 |
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235 final List<Diagnostic<? extends JavaFileObject>> errors = |
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236 new LinkedList<Diagnostic<? extends JavaFileObject>>(); |
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237 |
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238 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, |
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239 new DiagnosticListener<JavaFileObject>() { |
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240 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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241 errors.add(diagnostic); |
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242 } |
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243 }, null, null, Arrays.asList(new MyFileObject(code))); |
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244 |
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245 CompilationUnitTree cut = ct.parse().iterator().next(); |
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246 |
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247 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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248 StatementTree forStatement = |
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249 ((MethodTree) clazz.getMembers().get(0)).getBody().getStatements().get(1); |
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250 |
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251 assertEquals("testErrorRecoveryForEnhancedForLoop142381", |
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252 Kind.ENHANCED_FOR_LOOP, forStatement.getKind()); |
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253 assertFalse("testErrorRecoveryForEnhancedForLoop142381", errors.isEmpty()); |
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254 } |
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255 |
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256 @Test |
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257 void testPositionAnnotationNoPackage187551() throws IOException { |
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258 |
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259 String code = "\n@interface Test {}"; |
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260 |
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261 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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262 null, Arrays.asList(new MyFileObject(code))); |
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263 |
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264 CompilationUnitTree cut = ct.parse().iterator().next(); |
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265 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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266 Trees t = Trees.instance(ct); |
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267 |
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268 assertEquals("testPositionAnnotationNoPackage187551", |
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269 1, t.getSourcePositions().getStartPosition(cut, clazz)); |
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270 } |
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271 |
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272 @Test |
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273 void testPositionsSane1() throws IOException { |
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274 performPositionsSanityTest("package test; class Test { " + |
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275 "private void method() { " + |
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276 "java.util.List<? extends java.util.List<? extends String>> l; " + |
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277 "} }"); |
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278 } |
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279 |
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280 @Test |
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281 void testPositionsSane2() throws IOException { |
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282 performPositionsSanityTest("package test; class Test { " + |
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283 "private void method() { " + |
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284 "java.util.List<? super java.util.List<? super String>> l; " + |
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285 "} }"); |
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286 } |
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287 |
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288 @Test |
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289 void testPositionsSane3() throws IOException { |
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290 performPositionsSanityTest("package test; class Test { " + |
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291 "private void method() { " + |
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292 "java.util.List<? super java.util.List<?>> l; } }"); |
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293 } |
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294 |
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295 private void performPositionsSanityTest(String code) throws IOException { |
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296 |
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297 final List<Diagnostic<? extends JavaFileObject>> errors = |
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298 new LinkedList<Diagnostic<? extends JavaFileObject>>(); |
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299 |
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300 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, |
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301 new DiagnosticListener<JavaFileObject>() { |
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302 |
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303 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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304 errors.add(diagnostic); |
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305 } |
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306 }, null, null, Arrays.asList(new MyFileObject(code))); |
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307 |
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308 final CompilationUnitTree cut = ct.parse().iterator().next(); |
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309 final Trees trees = Trees.instance(ct); |
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310 |
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311 new TreeScanner<Void, Void>() { |
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312 |
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313 private long parentStart = 0; |
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314 private long parentEnd = Integer.MAX_VALUE; |
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315 |
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316 @Override |
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317 public Void scan(Tree node, Void p) { |
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318 if (node == null) { |
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319 return null; |
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320 } |
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321 |
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322 long start = trees.getSourcePositions().getStartPosition(cut, node); |
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323 |
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324 if (start == (-1)) { |
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325 return null; // synthetic tree |
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326 } |
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327 assertTrue(node.toString() + ":" + start + "/" + parentStart, |
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328 parentStart <= start); |
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329 |
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330 long prevParentStart = parentStart; |
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331 |
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332 parentStart = start; |
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333 |
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334 long end = trees.getSourcePositions().getEndPosition(cut, node); |
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335 |
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336 assertTrue(node.toString() + ":" + end + "/" + parentEnd, |
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337 end <= parentEnd); |
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338 |
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339 long prevParentEnd = parentEnd; |
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340 |
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341 parentEnd = end; |
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342 |
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343 super.scan(node, p); |
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344 |
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345 parentStart = prevParentStart; |
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346 parentEnd = prevParentEnd; |
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347 |
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348 return null; |
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349 } |
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350 |
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351 private void assertTrue(String message, boolean b) { |
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352 if (!b) fail(message); |
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353 } |
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354 }.scan(cut, null); |
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355 } |
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356 |
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357 @Test |
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358 void testCorrectWilcardPositions1() throws IOException { |
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359 performWildcardPositionsTest("package test; import java.util.List; " + |
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360 "class Test { private void method() { List<? extends List<? extends String>> l; } }", |
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361 |
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362 Arrays.asList("List<? extends List<? extends String>> l;", |
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363 "List<? extends List<? extends String>>", |
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364 "List", |
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365 "? extends List<? extends String>", |
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366 "List<? extends String>", |
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367 "List", |
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368 "? extends String", |
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369 "String")); |
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370 } |
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371 |
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372 @Test |
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373 void testCorrectWilcardPositions2() throws IOException { |
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374 performWildcardPositionsTest("package test; import java.util.List; " |
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375 + "class Test { private void method() { List<? super List<? super String>> l; } }", |
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376 Arrays.asList("List<? super List<? super String>> l;", |
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377 "List<? super List<? super String>>", |
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378 "List", |
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379 "? super List<? super String>", |
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380 "List<? super String>", |
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381 "List", |
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382 "? super String", |
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383 "String")); |
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384 } |
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385 |
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386 @Test |
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387 void testCorrectWilcardPositions3() throws IOException { |
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388 performWildcardPositionsTest("package test; import java.util.List; " + |
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389 "class Test { private void method() { List<? super List<?>> l; } }", |
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390 |
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391 Arrays.asList("List<? super List<?>> l;", |
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392 "List<? super List<?>>", |
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393 "List", |
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394 "? super List<?>", |
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395 "List<?>", |
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396 "List", |
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397 "?")); |
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398 } |
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399 |
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400 @Test |
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401 void testCorrectWilcardPositions4() throws IOException { |
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402 performWildcardPositionsTest("package test; import java.util.List; " + |
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403 "class Test { private void method() { " + |
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404 "List<? extends List<? extends List<? extends String>>> l; } }", |
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405 |
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406 Arrays.asList("List<? extends List<? extends List<? extends String>>> l;", |
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407 "List<? extends List<? extends List<? extends String>>>", |
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408 "List", |
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409 "? extends List<? extends List<? extends String>>", |
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410 "List<? extends List<? extends String>>", |
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411 "List", |
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412 "? extends List<? extends String>", |
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413 "List<? extends String>", |
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414 "List", |
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415 "? extends String", |
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416 "String")); |
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417 } |
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418 |
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419 @Test |
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420 void testCorrectWilcardPositions5() throws IOException { |
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421 performWildcardPositionsTest("package test; import java.util.List; " + |
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422 "class Test { private void method() { " + |
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423 "List<? extends List<? extends List<? extends String >>> l; } }", |
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424 Arrays.asList("List<? extends List<? extends List<? extends String >>> l;", |
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425 "List<? extends List<? extends List<? extends String >>>", |
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426 "List", |
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427 "? extends List<? extends List<? extends String >>", |
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428 "List<? extends List<? extends String >>", |
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429 "List", |
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430 "? extends List<? extends String >", |
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431 "List<? extends String >", |
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432 "List", |
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433 "? extends String", |
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434 "String")); |
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435 } |
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436 |
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437 void performWildcardPositionsTest(final String code, |
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438 List<String> golden) throws IOException { |
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439 |
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440 final List<Diagnostic<? extends JavaFileObject>> errors = |
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441 new LinkedList<Diagnostic<? extends JavaFileObject>>(); |
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442 |
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443 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, |
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444 new DiagnosticListener<JavaFileObject>() { |
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445 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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446 errors.add(diagnostic); |
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447 } |
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448 }, null, null, Arrays.asList(new MyFileObject(code))); |
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449 |
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450 final CompilationUnitTree cut = ct.parse().iterator().next(); |
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451 final List<String> content = new LinkedList<String>(); |
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452 final Trees trees = Trees.instance(ct); |
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453 |
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454 new TreeScanner<Void, Void>() { |
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455 @Override |
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456 public Void scan(Tree node, Void p) { |
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457 if (node == null) { |
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458 return null; |
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459 } |
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460 long start = trees.getSourcePositions().getStartPosition(cut, node); |
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461 |
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462 if (start == (-1)) { |
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463 return null; // synthetic tree |
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464 } |
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465 long end = trees.getSourcePositions().getEndPosition(cut, node); |
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466 String s = code.substring((int) start, (int) end); |
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467 content.add(s); |
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468 |
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469 return super.scan(node, p); |
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470 } |
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471 }.scan(((MethodTree) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0)).getBody().getStatements().get(0), null); |
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472 |
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473 assertEquals("performWildcardPositionsTest",golden.toString(), |
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474 content.toString()); |
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475 } |
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476 |
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477 @Test |
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478 void testStartPositionForMethodWithoutModifiers() throws IOException { |
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479 |
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480 String code = "package t; class Test { <T> void t() {} }"; |
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481 |
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482 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
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483 null, Arrays.asList(new MyFileObject(code))); |
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484 CompilationUnitTree cut = ct.parse().iterator().next(); |
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485 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
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486 MethodTree mt = (MethodTree) clazz.getMembers().get(0); |
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487 Trees t = Trees.instance(ct); |
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488 int start = (int) t.getSourcePositions().getStartPosition(cut, mt); |
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489 int end = (int) t.getSourcePositions().getEndPosition(cut, mt); |
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490 |
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491 assertEquals("testStartPositionForMethodWithoutModifiers", |
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492 "<T> void t() {}", code.substring(start, end)); |
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493 } |
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494 |
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495 @Test |
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496 void testVariableInIfThen1() throws IOException { |
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497 |
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498 String code = "package t; class Test { " + |
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499 "private static void t(String name) { " + |
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500 "if (name != null) String nn = name.trim(); } }"; |
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501 |
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502 DiagnosticCollector<JavaFileObject> coll = |
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503 new DiagnosticCollector<JavaFileObject>(); |
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504 |
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505 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
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506 null, Arrays.asList(new MyFileObject(code))); |
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507 |
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508 ct.parse(); |
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509 |
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510 List<String> codes = new LinkedList<String>(); |
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511 |
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512 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
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513 codes.add(d.getCode()); |
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514 } |
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515 |
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516 assertEquals("testVariableInIfThen1", |
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517 Arrays.<String>asList("compiler.err.variable.not.allowed"), |
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518 codes); |
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519 } |
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520 |
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521 @Test |
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522 void testVariableInIfThen2() throws IOException { |
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523 |
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524 String code = "package t; class Test { " + |
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525 "private static void t(String name) { " + |
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526 "if (name != null) class X {} } }"; |
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527 DiagnosticCollector<JavaFileObject> coll = |
|
528 new DiagnosticCollector<JavaFileObject>(); |
|
529 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
|
530 null, Arrays.asList(new MyFileObject(code))); |
|
531 |
|
532 ct.parse(); |
|
533 |
|
534 List<String> codes = new LinkedList<String>(); |
|
535 |
|
536 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
|
537 codes.add(d.getCode()); |
|
538 } |
|
539 |
|
540 assertEquals("testVariableInIfThen2", |
|
541 Arrays.<String>asList("compiler.err.class.not.allowed"), codes); |
|
542 } |
|
543 |
|
544 @Test |
|
545 void testVariableInIfThen3() throws IOException { |
|
546 |
|
547 String code = "package t; class Test { "+ |
|
548 "private static void t() { " + |
|
549 "if (true) abstract class F {} }}"; |
|
550 DiagnosticCollector<JavaFileObject> coll = |
|
551 new DiagnosticCollector<JavaFileObject>(); |
|
552 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
|
553 null, Arrays.asList(new MyFileObject(code))); |
|
554 |
|
555 ct.parse(); |
|
556 |
|
557 List<String> codes = new LinkedList<String>(); |
|
558 |
|
559 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
|
560 codes.add(d.getCode()); |
|
561 } |
|
562 |
|
563 assertEquals("testVariableInIfThen3", |
|
564 Arrays.<String>asList("compiler.err.class.not.allowed"), codes); |
|
565 } |
|
566 |
|
567 @Test |
|
568 void testVariableInIfThen4() throws IOException { |
|
569 |
|
570 String code = "package t; class Test { "+ |
|
571 "private static void t(String name) { " + |
|
572 "if (name != null) interface X {} } }"; |
|
573 DiagnosticCollector<JavaFileObject> coll = |
|
574 new DiagnosticCollector<JavaFileObject>(); |
|
575 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
|
576 null, Arrays.asList(new MyFileObject(code))); |
|
577 |
|
578 ct.parse(); |
|
579 |
|
580 List<String> codes = new LinkedList<String>(); |
|
581 |
|
582 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
|
583 codes.add(d.getCode()); |
|
584 } |
|
585 |
|
586 assertEquals("testVariableInIfThen4", |
|
587 Arrays.<String>asList("compiler.err.class.not.allowed"), codes); |
|
588 } |
|
589 |
|
590 @Test |
|
591 void testVariableInIfThen5() throws IOException { |
|
592 |
|
593 String code = "package t; class Test { "+ |
|
594 "private static void t() { " + |
|
595 "if (true) } }"; |
|
596 DiagnosticCollector<JavaFileObject> coll = |
|
597 new DiagnosticCollector<JavaFileObject>(); |
|
598 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
|
599 null, Arrays.asList(new MyFileObject(code))); |
|
600 |
|
601 ct.parse(); |
|
602 |
|
603 List<String> codes = new LinkedList<String>(); |
|
604 |
|
605 for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) { |
|
606 codes.add(d.getCode()); |
|
607 } |
|
608 |
|
609 assertEquals("testVariableInIfThen5", |
|
610 Arrays.<String>asList("compiler.err.illegal.start.of.stmt"), |
|
611 codes); |
|
612 } |
|
613 |
|
614 // see javac bug #6882235, NB bug #98234: |
|
615 @Test |
|
616 void testMissingExponent() throws IOException { |
|
617 |
|
618 String code = "\nclass Test { { System.err.println(0e); } }"; |
|
619 |
|
620 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
|
621 null, Arrays.asList(new MyFileObject(code))); |
|
622 |
|
623 assertNotNull(ct.parse().iterator().next()); |
|
624 } |
|
625 |
|
626 @Test |
|
627 void testTryResourcePos() throws IOException { |
|
628 |
|
629 final String code = "package t; class Test { " + |
|
630 "{ try (java.io.InputStream in = null) { } } }"; |
|
631 |
|
632 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
633 |
|
634 new TreeScanner<Void, Void>() { |
|
635 @Override |
|
636 public Void visitVariable(VariableTree node, Void p) { |
|
637 if ("in".contentEquals(node.getName())) { |
|
638 JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node; |
|
639 assertEquals("testTryResourcePos", "in = null) { } } }", |
|
640 code.substring(var.pos)); |
|
641 } |
|
642 return super.visitVariable(node, p); |
|
643 } |
|
644 }.scan(cut, null); |
|
645 } |
|
646 |
|
647 @Test |
|
648 void testVarPos() throws IOException { |
|
649 |
|
650 final String code = "package t; class Test { " + |
|
651 "{ java.io.InputStream in = null; } }"; |
|
652 |
|
653 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
654 |
|
655 new TreeScanner<Void, Void>() { |
|
656 |
|
657 @Override |
|
658 public Void visitVariable(VariableTree node, Void p) { |
|
659 if ("in".contentEquals(node.getName())) { |
|
660 JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node; |
|
661 assertEquals("testVarPos","in = null; } }", |
|
662 code.substring(var.pos)); |
|
663 } |
|
664 return super.visitVariable(node, p); |
|
665 } |
|
666 }.scan(cut, null); |
|
667 } |
|
668 |
|
669 // expected erroneous tree: int x = y;(ERROR); |
|
670 @Test |
|
671 void testOperatorMissingError() throws IOException { |
|
672 |
|
673 String code = "package test; public class ErrorTest { " |
|
674 + "void method() { int x = y z } }"; |
|
675 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
676 final List<String> values = new ArrayList<>(); |
|
677 final List<String> expectedValues = |
|
678 new ArrayList<>(Arrays.asList("[z]")); |
|
679 |
|
680 new TreeScanner<Void, Void>() { |
|
681 @Override |
|
682 public Void visitErroneous(ErroneousTree node, Void p) { |
|
683 values.add(getErroneousTreeValues(node).toString()); |
|
684 return null; |
|
685 |
|
686 } |
|
687 }.scan(cut, null); |
|
688 |
|
689 assertEquals("testSwitchError: The Erroneous tree " |
|
690 + "error values: " + values |
|
691 + " do not match expected error values: " |
|
692 + expectedValues, values, expectedValues); |
|
693 } |
|
694 |
|
695 // expected erroneous tree: String s = (ERROR); |
|
696 @Test |
|
697 void testMissingParenthesisError() throws IOException { |
|
698 |
|
699 String code = "package test; public class ErrorTest { " |
|
700 + "void f() {String s = new String; } }"; |
|
701 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
702 final List<String> values = new ArrayList<>(); |
|
703 final List<String> expectedValues = |
|
704 new ArrayList<>(Arrays.asList("[new String()]")); |
|
705 |
|
706 new TreeScanner<Void, Void>() { |
|
707 @Override |
|
708 public Void visitErroneous(ErroneousTree node, Void p) { |
|
709 values.add(getErroneousTreeValues(node).toString()); |
|
710 return null; |
|
711 } |
|
712 }.scan(cut, null); |
|
713 |
|
714 assertEquals("testSwitchError: The Erroneous tree " |
|
715 + "error values: " + values |
|
716 + " do not match expected error values: " |
|
717 + expectedValues, values, expectedValues); |
|
718 } |
|
719 |
|
720 // expected erroneous tree: package test; (ERROR)(ERROR) |
|
721 @Test |
|
722 void testMissingClassError() throws IOException { |
|
723 |
|
724 String code = "package Test; clas ErrorTest { " |
|
725 + "void f() {String s = new String(); } }"; |
|
726 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
727 final List<String> values = new ArrayList<>(); |
|
728 final List<String> expectedValues = |
|
729 new ArrayList<>(Arrays.asList("[, clas]", "[]")); |
|
730 |
|
731 new TreeScanner<Void, Void>() { |
|
732 @Override |
|
733 public Void visitErroneous(ErroneousTree node, Void p) { |
|
734 values.add(getErroneousTreeValues(node).toString()); |
|
735 return null; |
|
736 } |
|
737 }.scan(cut, null); |
|
738 |
|
739 assertEquals("testSwitchError: The Erroneous tree " |
|
740 + "error values: " + values |
|
741 + " do not match expected error values: " |
|
742 + expectedValues, values, expectedValues); |
|
743 } |
|
744 |
|
745 // expected erroneous tree: void m1(int i) {(ERROR);{(ERROR);} |
|
746 @Test |
|
747 void testSwitchError() throws IOException { |
|
748 |
|
749 String code = "package test; public class ErrorTest { " |
|
750 + "int numDays; void m1(int i) { switchh {i} { case 1: " |
|
751 + "numDays = 31; break; } } }"; |
|
752 CompilationUnitTree cut = getCompilationUnitTree(code); |
|
753 final List<String> values = new ArrayList<>(); |
|
754 final List<String> expectedValues = |
|
755 new ArrayList<>(Arrays.asList("[switchh]", "[i]")); |
|
756 |
|
757 new TreeScanner<Void, Void>() { |
|
758 @Override |
|
759 public Void visitErroneous(ErroneousTree node, Void p) { |
|
760 values.add(getErroneousTreeValues(node).toString()); |
|
761 return null; |
|
762 } |
|
763 }.scan(cut, null); |
|
764 |
|
765 assertEquals("testSwitchError: The Erroneous tree " |
|
766 + "error values: " + values |
|
767 + " do not match expected error values: " |
|
768 + expectedValues, values, expectedValues); |
|
769 } |
|
770 |
|
771 // expected erroneous tree: class ErrorTest {(ERROR) |
|
772 @Test |
|
773 void testMethodError() throws IOException { |
|
774 |
|
775 String code = "package Test; class ErrorTest { " |
|
776 + "static final void f) {String s = new String(); } }"; |
|
777 CompilationUnitTree cut = cut = getCompilationUnitTree(code); |
|
778 |
|
779 final List<String> values = new ArrayList<>(); |
|
780 final List<String> expectedValues = |
|
781 new ArrayList<>(Arrays.asList("[\nstatic final void f();]")); |
|
782 |
|
783 new TreeScanner<Void, Void>() { |
|
784 @Override |
|
785 public Void visitErroneous(ErroneousTree node, Void p) { |
|
786 values.add(normalize(getErroneousTreeValues(node).toString())); |
|
787 return null; |
|
788 } |
|
789 }.scan(cut, null); |
|
790 |
|
791 assertEquals("testMethodError: The Erroneous tree " |
|
792 + "error value: " + values |
|
793 + " does not match expected error values: " |
|
794 + expectedValues, values, expectedValues); |
|
795 } |
|
796 |
|
797 /* |
|
798 * The following tests do not work just yet with nb-javac nor javac, |
|
799 * they need further investigation, see CR: 7167356 |
|
800 */ |
|
801 |
|
802 void testPositionBrokenSource126732a() throws IOException { |
|
803 String[] commands = new String[]{ |
|
804 "return Runnable()", |
|
805 "do { } while (true)", |
|
806 "throw UnsupportedOperationException()", |
|
807 "assert true", |
|
808 "1 + 1",}; |
|
809 |
|
810 for (String command : commands) { |
|
811 |
|
812 String code = "package test;\n" |
|
813 + "public class Test {\n" |
|
814 + " public static void test() {\n" |
|
815 + " " + command + " {\n" |
|
816 + " new Runnable() {\n" |
|
817 + " };\n" |
|
818 + " }\n" |
|
819 + "}"; |
|
820 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, |
|
821 null, null, Arrays.asList(new MyFileObject(code))); |
|
822 CompilationUnitTree cut = ct.parse().iterator().next(); |
|
823 |
|
824 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
|
825 MethodTree method = (MethodTree) clazz.getMembers().get(0); |
|
826 List<? extends StatementTree> statements = |
|
827 method.getBody().getStatements(); |
|
828 |
|
829 StatementTree ret = statements.get(0); |
|
830 StatementTree block = statements.get(1); |
|
831 |
|
832 Trees t = Trees.instance(ct); |
|
833 int len = code.indexOf(command + " {") + (command + " ").length(); |
|
834 assertEquals(command, len, |
|
835 t.getSourcePositions().getEndPosition(cut, ret)); |
|
836 assertEquals(command, len, |
|
837 t.getSourcePositions().getStartPosition(cut, block)); |
|
838 } |
|
839 } |
|
840 |
|
841 void testPositionBrokenSource126732b() throws IOException { |
|
842 String[] commands = new String[]{ |
|
843 "break", |
|
844 "break A", |
|
845 "continue ", |
|
846 "continue A",}; |
|
847 |
|
848 for (String command : commands) { |
|
849 |
|
850 String code = "package test;\n" |
|
851 + "public class Test {\n" |
|
852 + " public static void test() {\n" |
|
853 + " while (true) {\n" |
|
854 + " " + command + " {\n" |
|
855 + " new Runnable() {\n" |
|
856 + " };\n" |
|
857 + " }\n" |
|
858 + " }\n" |
|
859 + "}"; |
|
860 |
|
861 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, |
|
862 null, null, Arrays.asList(new MyFileObject(code))); |
|
863 CompilationUnitTree cut = ct.parse().iterator().next(); |
|
864 |
|
865 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
|
866 MethodTree method = (MethodTree) clazz.getMembers().get(0); |
|
867 List<? extends StatementTree> statements = |
|
868 ((BlockTree) ((WhileLoopTree) method.getBody().getStatements().get(0)).getStatement()).getStatements(); |
|
869 |
|
870 StatementTree ret = statements.get(0); |
|
871 StatementTree block = statements.get(1); |
|
872 |
|
873 Trees t = Trees.instance(ct); |
|
874 int len = code.indexOf(command + " {") + (command + " ").length(); |
|
875 assertEquals(command, len, |
|
876 t.getSourcePositions().getEndPosition(cut, ret)); |
|
877 assertEquals(command, len, |
|
878 t.getSourcePositions().getStartPosition(cut, block)); |
|
879 } |
|
880 } |
|
881 |
|
882 void testStartPositionEnumConstantInit() throws IOException { |
|
883 |
|
884 String code = "package t; enum Test { AAA; }"; |
|
885 |
|
886 JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null, |
|
887 null, Arrays.asList(new MyFileObject(code))); |
|
888 CompilationUnitTree cut = ct.parse().iterator().next(); |
|
889 ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
|
890 VariableTree enumAAA = (VariableTree) clazz.getMembers().get(0); |
|
891 Trees t = Trees.instance(ct); |
|
892 int start = (int) t.getSourcePositions().getStartPosition(cut, |
|
893 enumAAA.getInitializer()); |
|
894 |
|
895 assertEquals("testStartPositionEnumConstantInit", -1, start); |
|
896 } |
|
897 |
|
898 void run(String[] args) throws Exception { |
|
899 int passed = 0, failed = 0; |
|
900 final Pattern p = (args != null && args.length > 0) |
|
901 ? Pattern.compile(args[0]) |
|
902 : null; |
|
903 for (Method m : this.getClass().getDeclaredMethods()) { |
|
904 boolean selected = (p == null) |
|
905 ? m.isAnnotationPresent(Test.class) |
|
906 : p.matcher(m.getName()).matches(); |
|
907 if (selected) { |
|
908 try { |
|
909 m.invoke(this, (Object[]) null); |
|
910 System.out.println(m.getName() + ": OK"); |
|
911 passed++; |
|
912 } catch (Throwable ex) { |
|
913 System.out.printf("Test %s failed: %s %n", m, ex.getCause()); |
|
914 failed++; |
|
915 } |
|
916 } |
|
917 } |
|
918 System.out.printf("Passed: %d, Failed %d%n", passed, failed); |
|
919 if (failed > 0) { |
|
920 throw new RuntimeException("Tests failed: " + failed); |
|
921 } |
|
922 if (passed == 0 && failed == 0) { |
|
923 throw new AssertionError("No test(s) selected: passed = " + |
|
924 passed + ", failed = " + failed + " ??????????"); |
|
925 } |
|
926 } |
|
927 } |
|
928 |
|
929 abstract class TestCase { |
|
930 |
|
931 void assertEquals(String message, int i, int pos) { |
|
932 if (i != pos) { |
|
933 fail(message); |
|
934 } |
|
935 } |
|
936 |
|
937 void assertFalse(String message, boolean bvalue) { |
|
938 if (bvalue == true) { |
|
939 fail(message); |
|
940 } |
|
941 } |
|
942 |
|
943 void assertEquals(String message, int i, long l) { |
|
944 if (i != l) { |
|
945 fail(message + ":" + i + ":" + l); |
|
946 } |
|
947 } |
|
948 |
|
949 void assertEquals(String message, Object o1, Object o2) { |
|
950 if (o1 != null && o2 != null && !o1.equals(o2)) { |
|
951 fail(message); |
|
952 } |
|
953 if (o1 == null && o2 != null) { |
|
954 fail(message); |
|
955 } |
|
956 } |
|
957 |
|
958 void assertNotNull(Object o) { |
|
959 if (o == null) { |
|
960 fail(); |
|
961 } |
|
962 } |
|
963 |
|
964 void fail() { |
|
965 fail("test failed"); |
|
966 } |
|
967 |
|
968 void fail(String message) { |
|
969 throw new RuntimeException(message); |
|
970 } |
|
971 |
|
972 /** |
|
973 * Indicates that the annotated method is a test method. |
|
974 */ |
|
975 @Retention(RetentionPolicy.RUNTIME) |
|
976 @Target(ElementType.METHOD) |
|
977 public @interface Test {} |
|
978 } |