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 4870651 6715757
  27  * @summary javap should recognize generics, varargs, enum;
  28  *          javap prints "extends java.lang.Object"
  29  * @modules jdk.compiler
  30  * @build T4870651 Test
  31  * @run main T4870651
  32  */
  33 
  34 import java.io.*;
  35 
  36 public class T4870651 {
  37     public static void main(String[] args) throws Exception {
  38         new T4870651().run();
  39     }
  40 
  41     public void run() throws IOException {
  42         verify("Test",
  43                "class Test<T extends java.lang.Object, " +
  44                    "E extends java.lang.Exception & java.lang.Comparable<T>, " +
  45                    "U extends java.lang.Comparable>",
  46                "v1(java.lang.String...)");
  47 
  48         verify("Test$Enum",
  49                "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM",
  50                "flags: ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ENUM");
  51 
  52         if (errors > 0)
  53             throw new Error(errors + " found.");
  54     }
  55 
  56     String javap(String className) {
  57         String testClasses = System.getProperty("test.classes", ".");
  58         StringWriter sw = new StringWriter();
  59         PrintWriter out = new PrintWriter(sw);
  60         String[] args = { "-classpath", testClasses, "-v", className };
  61         int rc = com.sun.tools.javap.Main.run(args, out);
  62         if (rc != 0)
  63             throw new Error("javap failed. rc=" + rc);
  64         out.close();
  65         String output = sw.toString();
  66         System.out.println("class " + className);
  67         System.out.println(output);
  68         return output;
  69     }
  70 
  71     void verify(String className, String... expects) {
  72         String output = javap(className);
  73         for (String expect: expects) {
  74             if (output.indexOf(expect)< 0)
  75                 error(expect + " not found");
  76         }
  77     }
  78 
  79     void error(String msg) {
  80         System.err.println(msg);
  81         errors++;
  82     }
  83 
  84     int errors;
  85 }