jdk8-mips64-public/langtools: test/tools/javac/processing/model/element/TestTypeParameterAnnotations.java@bae8387d16aa (annotated)

test/tools/javac/processing/model/element/TestTypeParameterAnnotations.java@bae8387d16aa (annotated)

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

Mon, 22 Apr 2013 10:24:19 +0200

author: jfranck
date: Mon, 22 Apr 2013 10:24:19 +0200
changeset 1709: bae8387d16aa
child 2427: a3ad6e2ede44
permissions: -rw-r--r--

8011027: Type parameter annotations not passed through to javax.lang.model
Reviewed-by: jjg, darcy

 /*
  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 8011027
  * @library /tools/javac/lib
  * @build JavacTestingAbstractProcessor TestTypeParameterAnnotations
  * @compile -processor TestTypeParameterAnnotations -proc:only TestTypeParameterAnnotations.java
  */
 import java.util.*;
 import java.lang.annotation.*;
 import javax.annotation.processing.*;
 import javax.lang.model.element.*;
 import javax.lang.model.util.*;
 import javax.tools.*;
 public class TestTypeParameterAnnotations<@Foo @Bar @Baz T> extends JavacTestingAbstractProcessor {
     int round = 0;
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
         if (++round == 1) {
             int found = (new Scanner()).scan(roundEnv.getRootElements(), null);
             if (found == expect) {
                 ; //nop
             } else {
                 error("unexpected number of results: expected " + expect
                         + ", found " + found);
             }
         }
         return true;
     }
     class Scanner extends JavacTestingAbstractProcessor.ElementScanner<Integer,Void> {
         @Override
         public Integer visitExecutable(ExecutableElement e, Void p) {
             super.visitExecutable(e, p);
             found += check(e, e.getTypeParameters());
             return found;
         }
         @Override
         public Integer visitType(TypeElement e, Void p) {
             super.visitType(e, p);
             found += check(e, e.getTypeParameters());
             return found;
         }
         int found;
     }
     int check(Element e, List<? extends TypeParameterElement> typarams) {
         if (typarams.isEmpty())
             return 0;
         if (typarams.size() != 1)
             return 0;
         for (TypeParameterElement tpe: typarams) {
             boolean b1 = checkAnnotationMirrors(tpe, tpe.getAnnotationMirrors());
             boolean b2 = checkAnnotationMirrors(tpe, elements.getAllAnnotationMirrors(tpe));
             boolean b3 = checkGetAnnotation(tpe);
             boolean b4 = checkGetAnnotations(tpe);
             return b1 && b2 && b3 && b4 ? 1 : 0;
         }
         return 0;
     }
     boolean checkAnnotationMirrors(TypeParameterElement tpe, List<? extends AnnotationMirror> l) {
         if (l.size() != 3) {
             error("To few annotations, got " + l.size() +
                     ", should be 3", tpe);
             return false;
         }
         AnnotationMirror m = l.get(0);
         if (!m.getAnnotationType().asElement().equals(elements.getTypeElement("Foo"))) {
             error("Wrong type of annotation, was expecting @Foo", m.getAnnotationType().asElement());
             return false;
         }
         m = l.get(1);
         if (!m.getAnnotationType().asElement().equals(elements.getTypeElement("Bar"))) {
             error("Wrong type of annotation, was expecting @Bar", m.getAnnotationType().asElement());
             return false;
         }
         m = l.get(2);
         if (!m.getAnnotationType().asElement().equals(elements.getTypeElement("Baz"))) {
             error("Wrong type of annotation, was expecting @Baz", m.getAnnotationType().asElement());
             return false;
         }
         return true;
     }
     boolean checkGetAnnotation(TypeParameterElement tpe) {
         Foo f = tpe.getAnnotation(Foo.class);
         if (f == null)
             error("Expecting @Foo to be present in getAnnotation()", tpe);
         Bar b = tpe.getAnnotation(Bar.class);
         if (b == null)
             error("Expecting @Bar to be present in getAnnotation()", tpe);
         Baz z = tpe.getAnnotation(Baz.class);
         if (z == null)
             error("Expecting @Baz to be present in getAnnotation()", tpe);
         return f != null &&
             b != null &&
             z != null;
     }
     boolean checkGetAnnotations(TypeParameterElement tpe) {
         Foo[] f = tpe.getAnnotationsByType(Foo.class);
         if (f.length != 1) {
             error("Expecting 1 @Foo to be present in getAnnotationsByType()", tpe);
             return false;
         }
         Bar[] b = tpe.getAnnotationsByType(Bar.class);
         if (b.length != 1) {
             error("Expecting 1 @Bar to be present in getAnnotationsByType()", tpe);
             return false;
         }
         Baz[] z = tpe.getAnnotationsByType(Baz.class);
         if (z.length != 1) {
             error("Expecting 1 @Baz to be present in getAnnotationsByType()", tpe);
             return false;
         }
         return true;
     }
     void note(String msg) {
         messager.printMessage(Diagnostic.Kind.NOTE, msg);
     }
     void note(String msg, Element e) {
         messager.printMessage(Diagnostic.Kind.NOTE, msg, e);
     }
     void error(String msg, Element e) {
         messager.printMessage(Diagnostic.Kind.ERROR, msg, e);
     }
     void error(String msg) {
         messager.printMessage(Diagnostic.Kind.ERROR, msg);
     }
     // additional generic elements to test
     <@Foo @Bar @Baz X> X m(X x) { return x; }
     interface Intf<@Foo @Bar @Baz X> { X m() ; }
     class Class<@Foo @Bar @Baz X> {
         <@Foo @Bar @Baz Y> Class() { }
     }
     final int expect = 5;  // top level class, plus preceding examples
 }
 @Target(ElementType.TYPE_PARAMETER)
 @interface Foo {}
 @Target(ElementType.TYPE_PARAMETER)
 @interface Bar {}
 @Target(ElementType.TYPE_PARAMETER)
 @interface Baz {}

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/processing/model/element/TestTypeParameterAnnotations.java@bae8387d16aa (annotated)

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