aoqi@0: /*
aoqi@0:  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 7199823
aoqi@0:  * @summary javac generates inner class that can't be verified
aoqi@0:  * @run main InnerClassCannotBeVerified
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.util.Arrays;
aoqi@0: import javax.tools.JavaFileObject;
aoqi@0: import java.net.URI;
aoqi@0: import javax.tools.SimpleJavaFileObject;
aoqi@0: import javax.tools.ToolProvider;
aoqi@0: import javax.tools.JavaCompiler;
aoqi@0: import com.sun.source.util.JavacTask;
aoqi@0: import com.sun.tools.classfile.ClassFile;
aoqi@0: import com.sun.tools.classfile.ConstantPoolException;
aoqi@0: import java.io.File;
aoqi@0: import java.io.IOException;
aoqi@0: 
aoqi@0: public class InnerClassCannotBeVerified {
aoqi@0: 
aoqi@0:     private static final String errorMessage =
aoqi@0:             "Compile error while compiling the following source:\n";
aoqi@0: 
aoqi@0:     public static void main(String... args) throws Exception {
aoqi@0:         new InnerClassCannotBeVerified().run();
aoqi@0:     }
aoqi@0: 
aoqi@0:     void run() throws Exception {
aoqi@0:         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
aoqi@0:         JavaSource source = new JavaSource();
aoqi@0:         JavacTask ct = (JavacTask)comp.getTask(null, null, null,
aoqi@0:                 null, null, Arrays.asList(source));
aoqi@0:         try {
aoqi@0:             if (!ct.call()) {
aoqi@0:                 throw new AssertionError(errorMessage +
aoqi@0:                         source.getCharContent(true));
aoqi@0:             }
aoqi@0:         } catch (Throwable ex) {
aoqi@0:             throw new AssertionError(errorMessage +
aoqi@0:                     source.getCharContent(true));
aoqi@0:         }
aoqi@0:         check();
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void check() throws IOException, ConstantPoolException {
aoqi@0:         File file = new File("Test$1.class");
aoqi@0:         ClassFile classFile = ClassFile.read(file);
aoqi@0:         boolean inheritsFromObject =
aoqi@0:                 classFile.getSuperclassName().equals("java/lang/Object");
aoqi@0:         boolean implementsNoInterface = classFile.interfaces.length == 0;
aoqi@0:         boolean noMethods = classFile.methods.length == 0;
aoqi@0:         if (!(inheritsFromObject &&
aoqi@0:               implementsNoInterface &&
aoqi@0:               noMethods)) {
aoqi@0:             throw new AssertionError("The inner classes reused as " +
aoqi@0:                     "access constructor tag for this code must be empty");
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     class JavaSource extends SimpleJavaFileObject {
aoqi@0: 
aoqi@0:         String internalSource =
aoqi@0:                               "public class Test {\n" +
aoqi@0:                               "    private static class Foo {}\n" +
aoqi@0:                               "    public static void main(String[] args){ \n" +
aoqi@0:                               "        new Foo();\n" +
aoqi@0:                               "        if(false) {\n" +
aoqi@0:                               "            new Runnable() {\n" +
aoqi@0:                               "                @Override\n" +
aoqi@0:                               "                public void run() {\n" +
aoqi@0:                               "                    System.out.println();\n" +
aoqi@0:                               "                }\n" +
aoqi@0:                               "            }.run();\n" +
aoqi@0:                               "        }\n" +
aoqi@0:                               "   }\n" +
aoqi@0:                               "}";
aoqi@0:         public JavaSource() {
aoqi@0:             super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0:             return internalSource;
aoqi@0:         }
aoqi@0:     }
aoqi@0: }