1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
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23 
24 /*
25  * @test
26  * @bug 6458749
27  * @summary  TypeParameterElement.getEnclosedElements() throws NPE within javac
28  * @modules java.compiler
29  *          jdk.compiler
30  * @build T6458749
31  * @compile -processor T6458749 -proc:only T6458749.java
32  */
33 
34 import java.util.Set;
35 import javax.annotation.processing.*;
36 import javax.lang.model.element.*;
37 import javax.lang.model.util.ElementFilter;
38 import javax.lang.model.SourceVersion;
39 
40 @SupportedAnnotationTypes("*")
41 public class T6458749<T> extends AbstractProcessor {
process(Set<? extends TypeElement> tes, RoundEnvironment renv)42     public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
43         if (!renv.processingOver()) {
44             for(TypeElement e : ElementFilter.typesIn(renv.getRootElements())) {
45                 System.out.printf("Element %s:%n", e.toString());
46                 try {
47                     for (TypeParameterElement tp : e.getTypeParameters()) {
48                         System.out.printf("Type param %s", tp.toString());
49                         if (! tp.getEnclosedElements().isEmpty()) {
50                             throw new AssertionError("TypeParameterElement.getEnclosedElements() should return empty list");
51                         }
52                     }
53                 } catch (NullPointerException npe) {
54                     throw new AssertionError("NPE from TypeParameterElement.getEnclosedElements()", npe);
55                 }
56             }
57         }
58         return true;
59     }
60 
getSupportedSourceVersion()61     public SourceVersion getSupportedSourceVersion() {
62         return SourceVersion.latest();
63     }
64 }
65