duke@1: /*
duke@1:  * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
duke@1:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1:  * have any questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug     6423972
duke@1:  * @summary Tests TypeParameter.getBounds.
duke@1:  * @author  Scott Seligman
duke@1:  * @build   TypeParamBounds
duke@1:  * @compile -processor TypeParamBounds -proc:only TypeParamBounds.java
duke@1:  */
duke@1: 
duke@1: import java.util.HashMap;
duke@1: import java.util.List;
duke@1: import java.util.Map;
duke@1: import java.util.Set;
duke@1: import javax.annotation.processing.*;
duke@1: import javax.lang.model.SourceVersion;
duke@1: import javax.lang.model.element.*;
duke@1: import javax.lang.model.type.*;
duke@1: import javax.lang.model.util.*;
duke@1: 
duke@1: @SupportedAnnotationTypes("*")
duke@1: public class TypeParamBounds extends AbstractProcessor {
duke@1: 
duke@1:     Elements elements;
duke@1:     Types types;
duke@1: 
duke@1:     public void init(ProcessingEnvironment penv) {
duke@1:         super.init(penv);
duke@1:         elements = penv.getElementUtils();
duke@1:         types = penv.getTypeUtils();
duke@1:     }
duke@1: 
duke@1:     public boolean process(Set<? extends TypeElement> annoTypes,
duke@1:                            RoundEnvironment round) {
duke@1:         if (!round.processingOver())
duke@1:             doit(annoTypes, round);
duke@1:         return true;
duke@1:     }
duke@1: 
darcy@495:     @Override
darcy@495:     public SourceVersion getSupportedSourceVersion() {
darcy@495:         return SourceVersion.latest();
darcy@495:     }
darcy@495: 
duke@1:     private void doit(Set<? extends TypeElement> annoTypes,
duke@1:                       RoundEnvironment round) {
duke@1:         TypeElement gen = elements.getTypeElement("TypeParamBounds.Gen");
duke@1: 
duke@1:         // For each type parameter of Gen, compare its bounds with the
duke@1:         // bounds that are expected.
duke@1:         //
duke@1:         for (TypeParameterElement tparam : gen.getTypeParameters()) {
duke@1:             System.out.println(tparam);
duke@1:             List<? extends TypeMirror> bounds = tparam.getBounds();
duke@1:             String[] expected = Gen.boundNames.get(tparam + "");
duke@1: 
duke@1:             if (bounds.size() != expected.length)
duke@1:                 throw new AssertionError();
duke@1:             int i = 0;
duke@1:             for (TypeMirror bound : bounds) {
duke@1:                 Name got = types.asElement(bound).getSimpleName();
duke@1:                 String shoulda = expected[i++];
duke@1:                 System.out.println("  " + got);
duke@1:                 if (!got.contentEquals(shoulda))
duke@1:                     throw new AssertionError(shoulda);
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: 
duke@1: 
duke@1:     // Fodder for the processor
duke@1: 
duke@1:     static class Gen<T, U extends Object, V extends Number, W extends U,
duke@1:                      X extends Runnable, Y extends CharSequence & Runnable,
duke@1:                      Z extends Object & Runnable> {
duke@1: 
duke@1:         // The names of the bounds of each type parameter of Gen.
duke@1:         static Map<String, String[]> boundNames =
duke@1:                 new HashMap<String, String[]>();
duke@1: 
duke@1:         static {
duke@1:             boundNames.put("T", new String[] {"Object"});
duke@1:             boundNames.put("U", new String[] {"Object"});
duke@1:             boundNames.put("V", new String[] {"Number"});
duke@1:             boundNames.put("W", new String[] {"U"});
duke@1:             boundNames.put("X", new String[] {"Runnable"});
duke@1:             boundNames.put("Y", new String[] {"CharSequence", "Runnable"});
duke@1:             boundNames.put("Z", new String[] {"Object", "Runnable"});
duke@1:         }
duke@1:     }
duke@1: }