1 /* 2 * Copyright (c) 2013, 2015, 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 */ 23 24 /* 25 * @test 26 * @bug 8011383 27 * @summary Symbol.getModifiers omits ACC_ABSTRACT from interface with default methods 28 * @modules jdk.compiler/com.sun.tools.javac.util 29 */ 30 31 import java.io.File; 32 import java.io.IOException; 33 import java.util.Arrays; 34 35 import javax.lang.model.element.*; 36 import javax.tools.JavaCompiler; 37 import javax.tools.JavaFileObject; 38 import javax.tools.StandardJavaFileManager; 39 import javax.tools.ToolProvider; 40 41 import com.sun.source.util.JavacTask; 42 import com.sun.source.util.TaskEvent; 43 import com.sun.source.util.TaskListener; 44 import com.sun.tools.javac.util.Assert; 45 46 public class DefaultMethodFlags { 47 main(String[] args)48 public static void main(String[] args) throws IOException { 49 new DefaultMethodFlags().run(args); 50 } 51 run(String[] args)52 void run(String[] args) throws IOException { 53 checkDefaultMethodFlags(); 54 } 55 checkDefaultMethodFlags()56 void checkDefaultMethodFlags() throws IOException { 57 JavaCompiler c = ToolProvider.getSystemJavaCompiler(); 58 try (StandardJavaFileManager fm = c.getStandardFileManager(null, null, null)) { 59 Iterable<? extends JavaFileObject> fos = 60 fm.getJavaFileObjectsFromFiles( 61 Arrays.asList(new File( 62 System.getProperty("test.src"), 63 this.getClass().getSimpleName() + ".java"))); 64 JavacTask task = (JavacTask) c.getTask(null, fm, null, null, null, fos); 65 66 task.addTaskListener(new TaskListener() { 67 68 @Override 69 public void started(TaskEvent e) {} 70 71 @Override 72 public void finished(TaskEvent e) { 73 if (e.getKind() == TaskEvent.Kind.ANALYZE) { 74 TypeElement te = e.getTypeElement(); 75 if (te.getSimpleName().toString().equals("I")) { 76 checkDefaultInterface(te); 77 } 78 } 79 } 80 }); 81 82 task.analyze(); 83 } 84 } 85 checkDefaultInterface(TypeElement te)86 void checkDefaultInterface(TypeElement te) { 87 System.err.println("Checking " + te.getSimpleName()); 88 Assert.check(te.getModifiers().contains(Modifier.ABSTRACT)); 89 for (Element e : te.getEnclosedElements()) { 90 if (e.getSimpleName().toString().matches("(\\w)_(default|static|abstract)")) { 91 boolean abstractExpected = false; 92 String methodKind = e.getSimpleName().toString().substring(2); 93 switch (methodKind) { 94 case "default": 95 case "static": 96 break; 97 case "abstract": 98 abstractExpected = true; 99 break; 100 default: 101 Assert.error("Cannot get here!" + methodKind); 102 } 103 Assert.check(e.getModifiers().contains(Modifier.ABSTRACT) == abstractExpected); 104 } 105 } 106 } 107 } 108 109 interface I { m_default()110 default void m_default() { } m_static()111 static void m_static() { } m_abstract()112 void m_abstract(); 113 } 114