| /* |
| * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 7199823 |
| * @summary javac generates inner class that can't be verified |
| * @modules jdk.jdeps/com.sun.tools.classfile |
| * @run main InnerClassCannotBeVerified |
| */ |
| |
| import java.util.Arrays; |
| import javax.tools.JavaFileObject; |
| import java.net.URI; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.ToolProvider; |
| import javax.tools.JavaCompiler; |
| import com.sun.source.util.JavacTask; |
| import com.sun.tools.classfile.ClassFile; |
| import com.sun.tools.classfile.ConstantPoolException; |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class InnerClassCannotBeVerified { |
| |
| private static final String errorMessage = |
| "Compile error while compiling the following source:\n"; |
| |
| public static void main(String... args) throws Exception { |
| new InnerClassCannotBeVerified().run(); |
| } |
| |
| void run() throws Exception { |
| JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
| JavaSource source = new JavaSource(); |
| JavacTask ct = (JavacTask)comp.getTask(null, null, null, |
| null, null, Arrays.asList(source)); |
| try { |
| if (!ct.call()) { |
| throw new AssertionError(errorMessage + |
| source.getCharContent(true)); |
| } |
| } catch (Throwable ex) { |
| throw new AssertionError(errorMessage + |
| source.getCharContent(true)); |
| } |
| check(); |
| } |
| |
| private void check() throws IOException, ConstantPoolException { |
| File file = new File("Test$1.class"); |
| ClassFile classFile = ClassFile.read(file); |
| boolean inheritsFromObject = |
| classFile.getSuperclassName().equals("java/lang/Object"); |
| boolean implementsNoInterface = classFile.interfaces.length == 0; |
| boolean noMethods = classFile.methods.length == 0; |
| if (!(inheritsFromObject && |
| implementsNoInterface && |
| noMethods)) { |
| throw new AssertionError("The inner classes reused as " + |
| "access constructor tag for this code must be empty"); |
| } |
| } |
| |
| class JavaSource extends SimpleJavaFileObject { |
| |
| String internalSource = |
| "public class Test {\n" + |
| " private static class Foo {}\n" + |
| " public static void main(String[] args){ \n" + |
| " new Foo();\n" + |
| " if(false) {\n" + |
| " new Runnable() {\n" + |
| " @Override\n" + |
| " public void run() {\n" + |
| " System.out.println();\n" + |
| " }\n" + |
| " }.run();\n" + |
| " }\n" + |
| " }\n" + |
| "}"; |
| public JavaSource() { |
| super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE); |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return internalSource; |
| } |
| } |
| } |