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

Wed, 14 Apr 2010 12:23:29 +0100

author
mcimadamore
date
Wed, 14 Apr 2010 12:23:29 +0100
changeset 536
396b117c1743
parent 495
fe17a9dbef03
child 554
9d9f26857129
permissions
-rw-r--r--

6939618: Revert 'simple' diamond implementation
Summary: backout changeset for 6840638
Reviewed-by: jjg

     1 /*
     2  * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  */
    24 /*
    25  * @test
    26  * @bug     6423972
    27  * @summary Tests TypeParameter.getBounds.
    28  * @author  Scott Seligman
    29  * @build   TypeParamBounds
    30  * @compile -processor TypeParamBounds -proc:only TypeParamBounds.java
    31  */
    33 import java.util.HashMap;
    34 import java.util.List;
    35 import java.util.Map;
    36 import java.util.Set;
    37 import javax.annotation.processing.*;
    38 import javax.lang.model.SourceVersion;
    39 import javax.lang.model.element.*;
    40 import javax.lang.model.type.*;
    41 import javax.lang.model.util.*;
    43 @SupportedAnnotationTypes("*")
    44 public class TypeParamBounds extends AbstractProcessor {
    46     Elements elements;
    47     Types types;
    49     public void init(ProcessingEnvironment penv) {
    50         super.init(penv);
    51         elements = penv.getElementUtils();
    52         types = penv.getTypeUtils();
    53     }
    55     public boolean process(Set<? extends TypeElement> annoTypes,
    56                            RoundEnvironment round) {
    57         if (!round.processingOver())
    58             doit(annoTypes, round);
    59         return true;
    60     }
    62     @Override
    63     public SourceVersion getSupportedSourceVersion() {
    64         return SourceVersion.latest();
    65     }
    67     private void doit(Set<? extends TypeElement> annoTypes,
    68                       RoundEnvironment round) {
    69         TypeElement gen = elements.getTypeElement("TypeParamBounds.Gen");
    71         // For each type parameter of Gen, compare its bounds with the
    72         // bounds that are expected.
    73         //
    74         for (TypeParameterElement tparam : gen.getTypeParameters()) {
    75             System.out.println(tparam);
    76             List<? extends TypeMirror> bounds = tparam.getBounds();
    77             String[] expected = Gen.boundNames.get(tparam + "");
    79             if (bounds.size() != expected.length)
    80                 throw new AssertionError();
    81             int i = 0;
    82             for (TypeMirror bound : bounds) {
    83                 Name got = types.asElement(bound).getSimpleName();
    84                 String shoulda = expected[i++];
    85                 System.out.println("  " + got);
    86                 if (!got.contentEquals(shoulda))
    87                     throw new AssertionError(shoulda);
    88             }
    89         }
    90     }
    93     // Fodder for the processor
    95     static class Gen<T, U extends Object, V extends Number, W extends U,
    96                      X extends Runnable, Y extends CharSequence & Runnable,
    97                      Z extends Object & Runnable> {
    99         // The names of the bounds of each type parameter of Gen.
   100         static Map<String, String[]> boundNames =
   101                 new HashMap<String, String[]>();
   103         static {
   104             boundNames.put("T", new String[] {"Object"});
   105             boundNames.put("U", new String[] {"Object"});
   106             boundNames.put("V", new String[] {"Number"});
   107             boundNames.put("W", new String[] {"U"});
   108             boundNames.put("X", new String[] {"Runnable"});
   109             boundNames.put("Y", new String[] {"CharSequence", "Runnable"});
   110             boundNames.put("Z", new String[] {"Object", "Runnable"});
   111         }
   112     }
   113 }

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