1 /* 2 * Copyright (c) 2014, 2015, 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 }