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 */ 23 24 /* 25 * @test 26 * @bug 8011383 27 * @summary Symbol.getModifiers omits ACC_ABSTRACT from interface with default methods 28 */ 29 30 import java.io.File; 31 import java.io.IOException; 32 import java.util.Arrays; 33 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; 39 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; 44 45 public class DefaultMethodFlags { 46 main(String[] args)47 public static void main(String[] args) throws IOException { 48 new DefaultMethodFlags().run(args); 49 } 50 run(String[] args)51 void run(String[] args) throws IOException { 52 checkDefaultMethodFlags(); 53 } 54 checkDefaultMethodFlags()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); 64 65 task.addTaskListener(new TaskListener() { 66 67 @Override 68 public void started(TaskEvent e) {} 69 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 }); 80 81 task.analyze(); 82 } 83 checkDefaultInterface(TypeElement te)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 } 106 107 interface I { m_default()108 default void m_default() { } m_static()109 static void m_static() { } m_abstract()110 void m_abstract(); 111 } 112