jdk8-mips64-public/langtools: test/tools/javac/processing/model/element/TypeParamBounds.java@58fcba61a77d

     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 @SupportedSourceVersion(SourceVersion.RELEASE_6)

    44 @SupportedAnnotationTypes("*")

    45 public class TypeParamBounds extends AbstractProcessor {

    47     Elements elements;

    48     Types types;

    50     public void init(ProcessingEnvironment penv) {

    51         super.init(penv);

    52         elements = penv.getElementUtils();

    53         types = penv.getTypeUtils();

    54     }

    56     public boolean process(Set<? extends TypeElement> annoTypes,

    57                            RoundEnvironment round) {

    58         if (!round.processingOver())

    59             doit(annoTypes, round);

    60         return true;

    61     }

    63     private void doit(Set<? extends TypeElement> annoTypes,

    64                       RoundEnvironment round) {

    65         TypeElement gen = elements.getTypeElement("TypeParamBounds.Gen");

    67         // For each type parameter of Gen, compare its bounds with the

    68         // bounds that are expected.

    69         //

    70         for (TypeParameterElement tparam : gen.getTypeParameters()) {

    71             System.out.println(tparam);

    72             List<? extends TypeMirror> bounds = tparam.getBounds();

    73             String[] expected = Gen.boundNames.get(tparam + "");

    75             if (bounds.size() != expected.length)

    76                 throw new AssertionError();

    77             int i = 0;

    78             for (TypeMirror bound : bounds) {

    79                 Name got = types.asElement(bound).getSimpleName();

    80                 String shoulda = expected[i++];

    81                 System.out.println("  " + got);

    82                 if (!got.contentEquals(shoulda))

    83                     throw new AssertionError(shoulda);

    84             }

    85         }

    86     }

    89     // Fodder for the processor

    91     static class Gen<T, U extends Object, V extends Number, W extends U,

    92                      X extends Runnable, Y extends CharSequence & Runnable,

    93                      Z extends Object & Runnable> {

    95         // The names of the bounds of each type parameter of Gen.

    96         static Map<String, String[]> boundNames =

    97                 new HashMap<String, String[]>();

    99         static {

   100             boundNames.put("T", new String[] {"Object"});

   101             boundNames.put("U", new String[] {"Object"});

   102             boundNames.put("V", new String[] {"Number"});

   103             boundNames.put("W", new String[] {"U"});

   104             boundNames.put("X", new String[] {"Runnable"});

   105             boundNames.put("Y", new String[] {"CharSequence", "Runnable"});

   106             boundNames.put("Z", new String[] {"Object", "Runnable"});

   107         }

   108     }

   109 }

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