1 /*

     2  * Copyright (c) 2009, 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 6918625

    27  * @summary javap dumps type information of array class literals

    28  */

    29 

    30 import java.io.*;

    31 

    32 public class ArrayClassLiterals2 {

    33     public static void main(String[] args) throws Exception {

    34         new ArrayClassLiterals2().run();

    35     }

    36 

    37     public void run() throws IOException {

    38         File classFile = new File(System.getProperty("test.classes"), "ArrayClassLiterals2$Test.class");

    39 

    40         verify(classFile,

    41                "RuntimeInvisibleTypeAnnotations:",

    42                "CLASS_LITERAL_GENERIC_OR_ARRAY"

    43                );

    44 

    45         if (errors > 0)

    46             throw new Error(errors + " found.");

    47     }

    48 

    49     String javap(File f) {

    50         StringWriter sw = new StringWriter();

    51         PrintWriter out = new PrintWriter(sw);

    52         int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out);

    53         if (rc != 0)

    54             throw new Error("javap failed. rc=" + rc);

    55         out.close();

    56         return sw.toString();

    57     }

    58 

    59     void verify(File classFile, String... expects) {

    60         String output = javap(classFile);

    61         for (String expect: expects) {

    62             if (output.indexOf(expect)< 0)

    63                 error(expect + " not found");

    64         }

    65     }

    66 

    67     void error(String msg) {

    68         System.err.println(msg);

    69         errors++;

    70     }

    71 

    72     int errors;

    73 

    74 

    75     /*********************** Test class *************************/

    76     static class Test {

    77         @interface A { }

    78         void test() {

    79             Object a = @A String @A [] @A [].class;

    80         }

    81     }

    82 }