langtools/test/tools/javap/T6866657.java
changeset 3543 58b72b096bcb
child 5520 86e4b9a9da40
equal deleted inserted replaced
3542:3fdb9f291a7e 3543:58b72b096bcb
       
     1 /*
       
     2  * Copyright 2009 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  */
       
    23 
       
    24 
       
    25 /*
       
    26  * @test
       
    27  * @bug 6866657
       
    28  * @summary add byteLength() method to primary classfile types
       
    29  */
       
    30 
       
    31 import java.io.*;
       
    32 import java.util.*;
       
    33 import javax.tools.*;
       
    34 import com.sun.tools.javap.*;
       
    35 
       
    36 public class T6866657
       
    37 {
       
    38     public static void main(String... args) {
       
    39         new T6866657().run();
       
    40     }
       
    41 
       
    42     void run() {
       
    43         verify("java.lang.Object");
       
    44         verify("java.lang.String");
       
    45         verify("java.util.List");
       
    46         verify("java.util.ArrayList");
       
    47         if (errors > 0)
       
    48             throw new Error(errors + " found.");
       
    49     }
       
    50 
       
    51     void verify(String className) {
       
    52         try {
       
    53             PrintWriter log = new PrintWriter(System.out);
       
    54             JavaFileManager fileManager = JavapFileManager.create(null, log);
       
    55             JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS);
       
    56             if (fo == null) {
       
    57                 error("Can't find " + className);
       
    58             } else {
       
    59                 JavapTask t = new JavapTask(log, fileManager, null);
       
    60                 t.handleOptions(new String[] { "-sysinfo", className });
       
    61                 JavapTask.ClassFileInfo cfInfo = t.read(fo);
       
    62                 expectEqual(cfInfo.cf.byteLength(), cfInfo.size);
       
    63             }
       
    64         } catch (Exception e) {
       
    65             e.printStackTrace();
       
    66             error("Exception: " + e);
       
    67         }
       
    68     }
       
    69 
       
    70     void expectEqual(int found, int expected) {
       
    71         if (found != expected)
       
    72             error("bad value found: " + found + " expected: " + expected);
       
    73     }
       
    74 
       
    75     void error(String msg) {
       
    76         System.err.println(msg);
       
    77         errors++;
       
    78     }
       
    79 
       
    80     int errors;
       
    81 }
       
    82