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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package org.openjdk.bench.java.util;
  26 
  27 import org.openjdk.jmh.annotations.Benchmark;
  28 import org.openjdk.jmh.annotations.BenchmarkMode;
  29 import org.openjdk.jmh.annotations.Mode;
  30 import org.openjdk.jmh.annotations.OutputTimeUnit;
  31 import org.openjdk.jmh.annotations.Scope;
  32 import org.openjdk.jmh.annotations.State;
  33 
  34 import java.util.Date;
  35 import java.util.concurrent.TimeUnit;
  36 
  37 @BenchmarkMode(Mode.AverageTime)
  38 @OutputTimeUnit(TimeUnit.NANOSECONDS)
  39 @State(Scope.Thread)
  40 public class Dates {
  41 
  42     int year = 75;
  43     int month = 11;
  44     int day = 23;
  45     int hours = 16;
  46     int minutes = 47;
  47     int seconds = 12;
  48 
  49     @Benchmark
  50     public Date testEmptyConstructor() {
  51         return new Date();
  52     }
  53 
  54     @SuppressWarnings("deprecation")
  55     @Benchmark
  56     public Date testIIIIIIConstructor() {
  57         hours++;
  58         minutes++;
  59         seconds++;
  60         return new Date(year, month, day, hours, minutes, seconds);
  61     }
  62 }