jdk8-mips64-public/langtools: test/tools/javac/processing/model/element/TypeParamBounds.java@959103a6100f

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http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /*

    25  * @test

    26  * @bug     6423972

    27  * @summary Tests TypeParameter.getBounds.

    28  * @author  Scott Seligman

    29  * @library /tools/javac/lib

    30  * @build   JavacTestingAbstractProcessor TypeParamBounds

    31  * @compile -processor TypeParamBounds -proc:only TypeParamBounds.java

    32  */

    34 import java.util.HashMap;

    35 import java.util.List;

    36 import java.util.Map;

    37 import java.util.Set;

    38 import javax.annotation.processing.*;

    39 import javax.lang.model.SourceVersion;

    40 import javax.lang.model.element.*;

    41 import javax.lang.model.type.*;

    42 import javax.lang.model.util.*;

    44 public class TypeParamBounds extends JavacTestingAbstractProcessor {

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

    46                            RoundEnvironment round) {

    47         if (!round.processingOver())

    48             doit(annoTypes, round);

    49         return true;

    50     }

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

    53                       RoundEnvironment round) {

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

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

    57         // bounds that are expected.

    58         //

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

    60             System.out.println(tparam);

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

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

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

    65                 throw new AssertionError();

    66             int i = 0;

    67             for (TypeMirror bound : bounds) {

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

    69                 String shoulda = expected[i++];

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

    71                 if (!got.contentEquals(shoulda))

    72                     throw new AssertionError(shoulda);

    73             }

    74         }

    75     }

    78     // Fodder for the processor

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

    80                      X extends Runnable, Y extends CharSequence & Runnable,

    81                      Z extends Object & Runnable> {

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

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

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

    87         static {

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

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

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

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

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

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

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

    95         }

    96     }

    97 }

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