test/tools/javap/4870651/T4870651.java

Tue, 03 Jun 2008 13:26:47 -0700

author
jjg
date
Tue, 03 Jun 2008 13:26:47 -0700
changeset 46
7708bd6d800d
child 65
0d4aa3c00af5
permissions
-rw-r--r--

4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini

     1 /*
     2  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  */
    24 /*
    25  * @test
    26  * @bug 4870651
    27  * @summary javap should recognize generics, varargs, enum
    28  * @build T4870651 Test
    29  * @run main T4870651
    30  */
    32 import java.io.*;
    34 public class T4870651 {
    35     public static void main(String[] args) throws Exception {
    36         new T4870651().run();
    37     }
    39     public void run() throws IOException {
    40         verify("Test",
    41                "class Test<T, E extends java.lang.Exception & java.lang.Comparable<T>, U extends java.lang.Comparable>",
    42                "v1(java.lang.String...)");
    44         verify("Test$Enum",
    45                "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM",
    46                "flags: ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ENUM");
    48         if (errors > 0)
    49             throw new Error(errors + " found.");
    50     }
    52     String javap(String className) {
    53         String testClasses = System.getProperty("test.classes", ".");
    54         StringWriter sw = new StringWriter();
    55         PrintWriter out = new PrintWriter(sw);
    56         String[] args = { "-classpath", testClasses, "-v", className };
    57         int rc = com.sun.tools.javap.Main.run(args, out);
    58         if (rc != 0)
    59             throw new Error("javap failed. rc=" + rc);
    60         out.close();
    61         String output = sw.toString();
    62         System.out.println("class " + className);
    63         System.out.println(output);
    64         return output;
    65     }
    67     void verify(String className, String... expects) {
    68         String output = javap(className);
    69         for (String expect: expects) {
    70             if (output.indexOf(expect)< 0)
    71                 error(expect + " not found");
    72         }
    73     }
    75     void error(String msg) {
    76         System.err.println(msg);
    77         errors++;
    78     }
    80     int errors;
    81 }

mercurial