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.chrono.HijrahChronology; 30 import java.time.chrono.HijrahDate; 31 import java.time.temporal.ChronoUnit; 32 import java.util.Set; 33 34 import org.testng.annotations.Test; 35 36 /** 37 * Test the speed of initializing all calendars. 38 */ 39 public class TestChronologyPerf { 40 41 @Test 42 public void test_chronologyGetAvailablePerf() { 43 long start = System.nanoTime(); 44 Set<Chronology> chronos = Chronology.getAvailableChronologies(); 45 long end = System.nanoTime(); 46 Duration d = Duration.of(end - start, ChronoUnit.NANOS); 47 System.out.printf(" Cold Duration of Chronology.getAvailableChronologies(): %s%n", d); 48 49 start = System.nanoTime(); 50 chronos = Chronology.getAvailableChronologies(); 51 end = System.nanoTime(); 52 d = Duration.of(end - start, ChronoUnit.NANOS); 53 System.out.printf(" Warm Duration of Chronology.getAvailableChronologies(): %s%n", d); 54 55 start = System.nanoTime(); 56 HijrahChronology.INSTANCE.date(1434, 1, 1); 57 end = System.nanoTime(); 58 d = Duration.of(end - start, ChronoUnit.NANOS); 59 System.out.printf(" Warm Duration of HijrahDate.date(1434, 1, 1): %s%n", d); 60 } 61 62 } 63
