jdk8-mips64-public/langtools: test/tools/javac/api/6421111/T6421111.java@f5e5ca7505e2

     1 /*

     2  * Copyright (c) 2006, 2013, 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     6421111

    27  * @summary NullPointerException thrown when retrieving bounds for the type parameter

    28  * @author  Peter von der Ah\u00e9

    29  * @library ../lib

    30  * @build ToolTester

    31  * @compile -Xlint:all T6421111.java

    32  * @run main T6421111

    33  */

    35 import java.io.File;

    36 import java.net.URI;

    37 import java.util.Arrays;

    38 import java.util.Collections;

    39 import java.util.Set;

    40 import javax.annotation.processing.AbstractProcessor;

    41 import javax.annotation.processing.RoundEnvironment;

    42 import javax.annotation.processing.SupportedAnnotationTypes;

    43 import javax.annotation.processing.SupportedSourceVersion;

    44 import javax.lang.model.SourceVersion;

    45 import javax.lang.model.element.TypeElement;

    46 import javax.lang.model.element.TypeParameterElement;

    47 import javax.lang.model.type.DeclaredType;

    48 import javax.lang.model.type.TypeVariable;

    49 import javax.tools.SimpleJavaFileObject;

    51 import static javax.tools.JavaFileObject.Kind.SOURCE;

    53 public class T6421111 extends ToolTester {

    54     void test(String... args) {

    55         class Test1 extends SimpleJavaFileObject {

    56             Test1() {

    57                 super(URI.create("myfo:///Test1.java"), SOURCE);

    58             }

    59             @Override

    60             public String getCharContent(boolean ignoreEncodingErrors) {

    61                 return "class Test1<T extends Thread & Runnable> {}";

    62             }

    63         }

    64         class Test2 extends SimpleJavaFileObject {

    65             Test2() {

    66                 super(URI.create("myfo:///Test2.java"), SOURCE);

    67             }

    68             @Override

    69             public String getCharContent(boolean ignoreEncodingErrors) {

    70                 return "class Test2<T extends Test2<T> & Runnable> {}";

    71             }

    72         }

    73         task = tool.getTask(null, fm, null, Collections.singleton("-Xlint:all"), null,

    74                             Arrays.asList(new Test1(), new Test2()));

    75         task.setProcessors(Collections.singleton(new MyProcessor()));

    76         if (!task.call())

    77             throw new AssertionError("Annotation processor failed");

    78     }

    79     @SupportedAnnotationTypes("*")

    80     static class MyProcessor extends AbstractProcessor {

    81         void test(TypeElement element, boolean fbound) {

    82             TypeParameterElement tpe = element.getTypeParameters().iterator().next();

    83             tpe.getBounds().getClass();

    84             if (fbound) {

    85                 DeclaredType type = (DeclaredType)tpe.getBounds().get(0);

    86                 if (type.asElement() != element)

    87                     throw error("%s != %s", type.asElement(), element);

    88                 TypeVariable tv = (TypeVariable)type.getTypeArguments().get(0);

    89                 if (tv.asElement() != tpe)

    90                     throw error("%s != %s", tv.asElement(), tpe);

    91             }

    92         }

    93         public boolean process(Set<? extends TypeElement> annotations,

    94                                RoundEnvironment roundEnv) {

    95             test(processingEnv.getElementUtils().getTypeElement("Test1"), false);

    96             test(processingEnv.getElementUtils().getTypeElement("Test2"), true);

    97             return false;

    98         }

    99         @Override

   100         public SourceVersion getSupportedSourceVersion() {

   101             return SourceVersion.latest();

   102         }

   103     }

   104     public static void main(String... args) {

   105         new T6421111().test(args);

   106     }

   107     public static AssertionError error(String format, Object... args) {

   108         return new AssertionError(String.format(format, args));

   109     }

   110 }

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