1 /*

     2  * Copyright (c) 2014, 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 CompilerQueueTest

    26  * @bug 8054889

    27  * @build DcmdUtil CompilerQueueTest

    28  * @run main CompilerQueueTest

    29  * @summary Test of diagnostic command Compiler.queue

    30  */

    31 

    32 import java.io.BufferedReader;

    33 import java.io.StringReader;

    34 

    35 public class CompilerQueueTest {

    36 

    37     /**

    38      * This test calls Jcmd (diagnostic command tool) Compiler.queue and

    39      * then parses the output, making sure that the output look ok.

    40      *

    41      *

    42      * Output example:

    43      *

    44      * Contents of C1 compile queue

    45      * ----------------------------

    46      * 73       3       java.lang.AbstractStringBuilder::append (50 bytes)

    47      * 74       1       java.util.TreeMap::size (5 bytes)

    48      * 75       3       java.lang.StringBuilder::append (8 bytes)

    49      * 83       3       java.util.TreeMap$ValueIterator::next (8 bytes)

    50      * 84       1       javax.management.MBeanFeatureInfo::getName (5 bytes)

    51      * ----------------------------

    52      * Contents of C2 compile queue

    53      * ----------------------------

    54      * Empty

    55      * ----------------------------

    56      *

    57      **/

    58 

    59     public static void main(String arg[]) throws Exception {

    60 

    61         // Get output from dcmd (diagnostic command)

    62         String result = DcmdUtil.executeDcmd("Compiler.queue");

    63         BufferedReader r = new BufferedReader(new StringReader(result));

    64 

    65         String line;

    66         match(r.readLine(), "Contents of C1 compile queue");

    67         match(r.readLine(), "----------------------------");

    68         String str = r.readLine();

    69         if (!str.equals("Empty")) {

    70             while (str.charAt(0) != '-') {

    71                 validateMethodLine(str);

    72                 str = r.readLine();

    73             }

    74         } else {

    75             str = r.readLine();

    76         }

    77 

    78         match(str,          "----------------------------");

    79         match(r.readLine(), "Contents of C2 compile queue");

    80         match(r.readLine(), "----------------------------");

    81         str = r.readLine();

    82         if (!str.equals("Empty")) {

    83             while (str.charAt(0) != '-') {

    84                 validateMethodLine(str);

    85                 str = r.readLine();

    86             }

    87         } else {

    88             str = r.readLine();

    89         }

    90         match(str, "----------------------------");

    91     }

    92 

    93     private static void validateMethodLine(String str)  throws Exception {

    94         String name = str.substring(19);

    95         int sep = name.indexOf("::");

    96         try {

    97             Class.forName(name.substring(0, sep));

    98         } catch (ClassNotFoundException e) {

    99             throw new Exception("Failed parsing dcmd queue");

   100         }

   101     }

   102 

   103     public static void match(String line, String str) throws Exception {

   104         if (!line.equals(str)) {

   105             throw new Exception("String equals: " + line + ", " + str);

   106         }

   107     }

   108 }