test/tools/javac/processing/model/element/TestResourceVariable.java

changeset 609
13354e1abba7
child 697
28b021bb889f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/processing/model/element/TestResourceVariable.java	Fri Jul 16 19:35:24 2010 -0700
     1.3 @@ -0,0 +1,113 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug  6911256 6964740
    1.30 + * @summary Test that the resource variable kind is appropriately set
    1.31 + * @author  Joseph D. Darcy
    1.32 + * @build TestResourceVariable
    1.33 + * @compile/fail -processor TestResourceVariable -proc:only TestResourceVariable.java
    1.34 + */
    1.35 +
    1.36 +// Bug should be filed for this misbehavior
    1.37 +
    1.38 +import java.io.*;
    1.39 +import javax.annotation.processing.*;
    1.40 +import javax.lang.model.*;
    1.41 +import javax.lang.model.element.*;
    1.42 +import javax.lang.model.type.*;
    1.43 +import javax.lang.model.util.*;
    1.44 +import java.util.*;
    1.45 +import com.sun.source.tree.*;
    1.46 +import com.sun.source.util.*;
    1.47 +import static javax.tools.Diagnostic.Kind.*;
    1.48 +
    1.49 +/**
    1.50 + * Using the tree API, retrieve element representations of the
    1.51 + * resource of an ARM block and verify their kind tags are set
    1.52 + * appropriately.
    1.53 + */
    1.54 +@SupportedAnnotationTypes("*")
    1.55 +public class TestResourceVariable extends AbstractProcessor implements AutoCloseable {
    1.56 +    int resourceVariableCount = 0;
    1.57 +
    1.58 +    public boolean process(Set<? extends TypeElement> annotations,
    1.59 +                          RoundEnvironment roundEnv) {
    1.60 +       if (!roundEnv.processingOver()) {
    1.61 +           Trees trees = Trees.instance(processingEnv);
    1.62 +
    1.63 +           for(Element rootElement : roundEnv.getRootElements()) {
    1.64 +               TreePath treePath = trees.getPath(rootElement);
    1.65 +
    1.66 +               (new ResourceVariableScanner(trees)).
    1.67 +                   scan(trees.getTree(rootElement),
    1.68 +                        treePath.getCompilationUnit());
    1.69 +           }
    1.70 +           if (resourceVariableCount != 3)
    1.71 +               throw new RuntimeException("Bad resource variable count " +
    1.72 +                                          resourceVariableCount);
    1.73 +       }
    1.74 +       return true;
    1.75 +    }
    1.76 +
    1.77 +    @Override
    1.78 +    public void close() {}
    1.79 +
    1.80 +    private void test1() {
    1.81 +        try(TestResourceVariable trv = this) {}
    1.82 +    }
    1.83 +
    1.84 +    private void test2() {
    1.85 +        try(TestResourceVariable trv1 = this; TestResourceVariable trv2 = trv1) {}
    1.86 +    }
    1.87 +
    1.88 +    class ResourceVariableScanner extends TreeScanner<Void, CompilationUnitTree> {
    1.89 +       private Trees trees;
    1.90 +
    1.91 +       public ResourceVariableScanner(Trees trees) {
    1.92 +           super();
    1.93 +           this.trees = trees;
    1.94 +       }
    1.95 +       @Override
    1.96 +       public Void visitVariable(VariableTree node, CompilationUnitTree cu) {
    1.97 +           Element element = trees.getElement(trees.getPath(cu, node));
    1.98 +           if (element == null) {
    1.99 +               System.out.println("Null variable element: " + node);
   1.100 +           } else {
   1.101 +               System.out.println("Name: " + element.getSimpleName() +
   1.102 +                                  "\tKind: " + element.getKind());
   1.103 +           }
   1.104 +           if (element != null &&
   1.105 +               element.getKind() == ElementKind.RESOURCE_VARIABLE) {
   1.106 +               resourceVariableCount++;
   1.107 +           }
   1.108 +           return super.visitVariable(node, cu);
   1.109 +       }
   1.110 +   }
   1.111 +
   1.112 +   @Override
   1.113 +   public SourceVersion getSupportedSourceVersion() {
   1.114 +       return SourceVersion.latest();
   1.115 +   }
   1.116 +}

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