| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 7187618 7184799 |
| * @summary Tests just a benchmark of Introspector.getBeanInfo(Class) performance |
| * @author Sergey Malenkov |
| * @run main/manual Test7184799 |
| */ |
| |
| import java.beans.Introspector; |
| import java.util.*; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| public class Test7184799 { |
| private static final Class[] TYPES = { |
| Class.class, |
| String.class, |
| Character.class, |
| Boolean.class, |
| Byte.class, |
| Short.class, |
| Integer.class, |
| Long.class, |
| Float.class, |
| Double.class, |
| Collection.class, |
| Set.class, |
| HashSet.class, |
| TreeSet.class, |
| LinkedHashSet.class, |
| Map.class, |
| HashMap.class, |
| TreeMap.class, |
| LinkedHashMap.class, |
| WeakHashMap.class, |
| ConcurrentHashMap.class, |
| Dictionary.class, |
| Exception.class, |
| }; |
| |
| public static void main(String[] args) throws Exception { |
| long time = System.nanoTime(); |
| for (Class type : TYPES) { |
| Introspector.getBeanInfo(type); |
| } |
| time -= System.nanoTime(); |
| System.out.println("Time (ms): " + (-time / 1000000)); |
| } |
| } |