1 /*
   2  * Copyright (c) 2008, 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 6622216
  27  * @summary javap names some attributes incorrectly
  28  * @modules jdk.compiler
  29  */
  30 
  31 import java.io.*;
  32 
  33 public class T6622216 {
  34     public static void main(String[] args) throws Exception {
  35         new T6622216().run();
  36     }
  37 
  38     public void run() throws IOException {
  39         File javaFile = writeTestFile();
  40         File classFile = compileTestFile(javaFile);
  41         String output = javap(classFile);
  42         verify(output);
  43     }
  44 
  45     File writeTestFile() throws IOException {
  46         File f = new File("Outer.java");
  47         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
  48         out.println("class Outer {");
  49         out.println("    class Inner { }");
  50         out.println("}");
  51         out.close();
  52         return f;
  53     }
  54 
  55     File compileTestFile(File f) {
  56         int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() });
  57         if (rc != 0)
  58             throw new Error("compilation failed. rc=" + rc);
  59         String path = f.getPath();
  60         return new File(path.substring(0, path.length() - 5) + ".class");
  61     }
  62 
  63     String javap(File f) {
  64         StringWriter sw = new StringWriter();
  65         PrintWriter out = new PrintWriter(sw);
  66         int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out);
  67         if (rc != 0)
  68             throw new Error("javap failed. rc=" + rc);
  69         out.close();
  70         return sw.toString();
  71     }
  72 
  73     void verify(String output) {
  74         System.out.println(output);
  75         if (output.indexOf("InnerClasses") == -1)
  76             throw new Error("InnerClasses not found in output");
  77     }
  78 }