1 /*
   2  * Copyright (c) 2009, 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 6868539 6868548 8035364
  27  * @summary javap should use current names for constant pool entries,
  28  *              remove spurious ';' from constant pool entries
  29  * @modules jdk.jdeps
  30  */
  31 
  32 import java.io.*;
  33 import java.util.*;
  34 
  35 public class T6868539
  36 
  37 {
  38     public static void main(String... args) {
  39         new T6868539().run();
  40     }
  41 
  42     void run() {
  43         String output = javap("T6868539");
  44         verify(output, "Utf8 +java/lang/String");                                   // 1: Utf8
  45                                                                                     // 2: currently unused
  46         verify(output, "Integer +123456");                                          // 3: Integer
  47         verify(output, "Float +123456.0f");                                         // 4: Float
  48         verify(output, "Long +123456l");                                            // 5: Long
  49         verify(output, "Double +123456.0d");                                        // 6: Double
  50         verify(output, "Class +#[0-9]+ +// +T6868539");                             // 7: Class
  51         verify(output, "String +#[0-9]+ +// +not found");                           // 8: String
  52         verify(output, "Fieldref +#[0-9]+\\.#[0-9]+ +// +T6868539.errors:I");       // 9: Fieldref
  53         verify(output, "Methodref +#[0-9]+\\.#[0-9]+ +// +T6868539.run:\\(\\)V");   // 10: Methodref
  54         verify(output, "InterfaceMethodref +#[0-9]+\\.#[0-9]+ +// +java/lang/Runnable\\.run:\\(\\)V");
  55                                                                                     // 11: InterfaceMethodref
  56         verify(output, "NameAndType +#[0-9]+:#[0-9]+ +// +run:\\(\\)V");            // 12: NameAndType
  57         if (errors > 0)
  58             throw new Error(errors + " found.");
  59     }
  60 
  61     String notFound = " not found";
  62 
  63     void verify(String output, String... expects) {
  64         for (String expect: expects) {
  65             if (!output.matches("(?s).*" + expect + ".*"))
  66                 error(expect + notFound);
  67         }
  68     }
  69 
  70     void error(String msg) {
  71         System.err.println(msg);
  72         errors++;
  73     }
  74 
  75     int errors;
  76 
  77     String javap(String className) {
  78         String testClasses = System.getProperty("test.classes", ".");
  79         StringWriter sw = new StringWriter();
  80         PrintWriter out = new PrintWriter(sw);
  81         String[] args = { "-v", "-classpath", testClasses, className };
  82         int rc = com.sun.tools.javap.Main.run(args, out);
  83         if (rc != 0)
  84             throw new Error("javap failed. rc=" + rc);
  85         out.close();
  86         String output = sw.toString();
  87         System.out.println("class " + className);
  88         System.out.println(output);
  89         return output;
  90     }
  91 
  92     int i = 123456;
  93     float f = 123456.f;
  94     double d = 123456.;
  95     long l = 123456L;
  96 
  97     void m(Runnable r) { r.run(); }
  98 }
  99