GetClassLoadingTime.java revision 6082
1879N/A * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1472N/A * or visit www.oracle.com if you need additional information or have any 1879N/A * @summary Basic unit test of HotspotClassLoadingMBean.getClassLoadingTime() 1879N/A * @run main GetClassLoadingTime 0N/A * This test is just a sanity check and does not check for the correct value. 0N/A // Careful with these values. 0N/A "illegal value: " +
time +
" ms " +
0N/A // Load some classes to increase the time 0N/A for (
int i =
0; i <
1000; i++) {
0N/A "did not increase when class loaded" +
0N/A// KlassLoader exists to load classes without a parent classloader, 0N/A// so we can avoid delegation and spend lots of time loading the 0N/A// same class over and over, to test the class loading timer.