jdk8-mips64-public/langtools: test/tools/javac/defaultMethods/DefaultMethodFlags.java@0b6cc4ea670f

     1 /*

     2  * Copyright (c) 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 8011383

    27  * @summary Symbol.getModifiers omits ACC_ABSTRACT from interface with default methods

    28  */

    30 import java.io.File;

    31 import java.io.IOException;

    32 import java.util.Arrays;

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

    35 import javax.tools.JavaCompiler;

    36 import javax.tools.JavaFileObject;

    37 import javax.tools.StandardJavaFileManager;

    38 import javax.tools.ToolProvider;

    40 import com.sun.source.util.JavacTask;

    41 import com.sun.source.util.TaskEvent;

    42 import com.sun.source.util.TaskListener;

    43 import com.sun.tools.javac.util.Assert;

    45 public class DefaultMethodFlags {

    47     public static void main(String[] args) throws IOException {

    48         new DefaultMethodFlags().run(args);

    49     }

    51     void run(String[] args) throws IOException {

    52         checkDefaultMethodFlags();

    53     }

    55     void checkDefaultMethodFlags() throws IOException {

    56         JavaCompiler c = ToolProvider.getSystemJavaCompiler();

    57         StandardJavaFileManager fm = c.getStandardFileManager(null, null, null);

    58         Iterable<? extends JavaFileObject> fos =

    59                 fm.getJavaFileObjectsFromFiles(

    60                 Arrays.asList(new File(

    61                 System.getProperty("test.src"),

    62                 this.getClass().getSimpleName() + ".java")));

    63         JavacTask task = (JavacTask) c.getTask(null, fm, null, null, null, fos);

    65         task.addTaskListener(new TaskListener() {

    67             @Override

    68             public void started(TaskEvent e) {}

    70             @Override

    71             public void finished(TaskEvent e) {

    72                 if (e.getKind() == TaskEvent.Kind.ANALYZE) {

    73                     TypeElement te = e.getTypeElement();

    74                     if (te.getSimpleName().toString().equals("I")) {

    75                         checkDefaultInterface(te);

    76                     }

    77                 }

    78             }

    79         });

    81         task.analyze();

    82     }

    84     void checkDefaultInterface(TypeElement te) {

    85         System.err.println("Checking " + te.getSimpleName());

    86         Assert.check(te.getModifiers().contains(Modifier.ABSTRACT));

    87         for (Element e : te.getEnclosedElements()) {

    88             if (e.getSimpleName().toString().matches("(\\w)_(default|static|abstract)")) {

    89                 boolean abstractExpected = false;

    90                 String methodKind = e.getSimpleName().toString().substring(2);

    91                 switch (methodKind) {

    92                     case "default":

    93                     case "static":

    94                         break;

    95                     case "abstract":

    96                         abstractExpected = true;

    97                         break;

    98                     default:

    99                         Assert.error("Cannot get here!" + methodKind);

   100                 }

   101                 Assert.check(e.getModifiers().contains(Modifier.ABSTRACT) == abstractExpected);

   102             }

   103         }

   104     }

   105 }

   107 interface I {

   108     default void m_default() { }

   109     static void m_static() { }

   110     void m_abstract();

   111 }

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