1 /*
   2  * Copyright (c) 2013, 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 test.java.time.chrono;
  26 
  27 import java.time.Duration;
  28 import java.time.chrono.Chronology;
  29 import java.time.temporal.ChronoUnit;
  30 import java.util.Set;
  31 
  32 import org.testng.annotations.Test;
  33 
  34 /**
  35  * Test the speed of initializing all calendars.
  36  */
  37 public class TestChronologyPerf {
  38 
  39     @Test
  40     public void test_chronologyGetAvailablePerf() {
  41         long start = System.nanoTime();
  42         Set<Chronology> chronos = Chronology.getAvailableChronologies();
  43         long end = System.nanoTime();
  44         Duration d = Duration.of(end - start, ChronoUnit.NANOS);
  45         System.out.printf(" Duration of Chronology.getAvailableChronologies(): %s%n", d);
  46     }
  47 
  48 }