1 /*
   2  * Copyright (c) 2014, 2016, 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 ManagerNamesTest
  26  * @summary verify getMemoryManageNames calls in case of segmented code cache
  27  * @modules java.base/jdk.internal.misc
  28  *          java.management
  29  * @library /test/lib
  30  *
  31  * @build sun.hotspot.WhiteBox
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *     -XX:+WhiteBoxAPI
  36  *     -XX:+SegmentedCodeCache
  37  *     compiler.codecache.jmx.ManagerNamesTest
  38  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  39  *     -XX:+WhiteBoxAPI
  40  *     -XX:-SegmentedCodeCache
  41  *     compiler.codecache.jmx.ManagerNamesTest
  42  */
  43 
  44 package compiler.codecache.jmx;
  45 
  46 import jdk.test.lib.Asserts;
  47 import sun.hotspot.code.BlobType;
  48 
  49 import java.lang.management.MemoryPoolMXBean;
  50 
  51 public class ManagerNamesTest {
  52 
  53     private final MemoryPoolMXBean bean;
  54     private final static String POOL_NAME = "CodeCacheManager";
  55 
  56     public static void main(String args[]) {
  57         for (BlobType btype : BlobType.getAvailable()) {
  58             new ManagerNamesTest(btype).runTest();
  59         }
  60     }
  61 
  62     public ManagerNamesTest(BlobType btype) {
  63         bean = btype.getMemoryPool();
  64     }
  65 
  66     protected void runTest() {
  67         String[] names = bean.getMemoryManagerNames();
  68         Asserts.assertEQ(names.length, 1,
  69                 "Unexpected length of MemoryManagerNames");
  70         Asserts.assertEQ(POOL_NAME, names[0],
  71                 "Unexpected value of MemoryManagerName");
  72         System.out.printf("INFO: Scenario finished successfully for %s%n",
  73                 bean.getName());
  74     }
  75 }