/* * Copyright (c) 2003, 2016, 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 4614842 * @summary Make sure that a Date and a GregorianCalendar produce the same date/time. Both are new implementations in 1.5. * @run main DateGregorianCalendarTest 15 */ package test.java.util.GregorianCalendar; import android.platform.test.annotations.LargeTest; import java.util.*; import org.testng.annotations.Test; public class GregorianCalendarTest { static volatile boolean runrun = true; static int nThreads; @LargeTest @Test public void testGregorianCalendar() { int duration = 600; TimeZone savedTZ = TimeZone.getDefault(); try { TimeZone.setDefault(TimeZone.getTimeZone("GMT")); Thread[] t = new Thread[10]; // for future bugs... int index = 0; t[index++] = new Thread(new Runnable() { public void run() { GregorianCalendar gc = new GregorianCalendar(); long delta = (long)(279 * 365.2422 * 24 * 60 * 60 * 1000); long count = 0; try { for (long t = Long.MIN_VALUE; runrun && t < Long.MAX_VALUE-delta; t += delta) { gc.setTimeInMillis(t); Date date = new Date(t); int y; if (!((y = gc.get(java.util.Calendar.YEAR)) == (date.getYear()+1900) && gc.get(java.util.Calendar.MONTH) == date.getMonth() && gc.get(java.util.Calendar.DAY_OF_MONTH) == date.getDate() && gc.get(java.util.Calendar.HOUR_OF_DAY) == date.getHours() && gc.get(java.util.Calendar.MINUTE) == date.getMinutes() && gc.get(java.util.Calendar.SECOND) == date.getSeconds())) { throw new RuntimeException("GregorinCalendar and Date returned different dates." +" (millis=" + t + ")\n" +"GC=" + gc + "\nDate=" + date); } ++count; if (y >= 1) { delta = (long)(365.2422 * 24 * 60 * 60 * 1000); } if (y >= 1970) { delta = (24 * 60 * 60 * 1000); } if (y >= 2039) { delta = (long)(279 * 365.2422 * 24 * 60 * 60 * 1000); } } } catch (RuntimeException e) { runrun = false; throw e; } finally { decrementCounter(); } } }); t[index++] = new Thread(new Runnable() { public void run() { GregorianCalendar gc = new GregorianCalendar(); long count = 0; int delta; try { for (long year = Integer.MIN_VALUE+1900; runrun && year <= Integer.MAX_VALUE; year += delta) { checkTimes(gc, year, java.util.Calendar.JANUARY, 1, 0, 0, 0); ++count; delta = getDelta((int)year); } for (long month = Integer.MIN_VALUE; runrun && month <= Integer.MAX_VALUE; month += delta) { checkTimes(gc, 1900, month, 1, 0, 0, 0); ++count; delta = getDelta(gc.get(java.util.Calendar.YEAR)); } for (long dayOfMonth = Integer.MIN_VALUE; runrun && dayOfMonth <= Integer.MAX_VALUE; dayOfMonth += delta) { checkTimes(gc, 1900, java.util.Calendar.JANUARY, dayOfMonth, 0, 0, 0); ++count; delta = getDelta(gc.get(java.util.Calendar.YEAR)); } } catch (RuntimeException e) { runrun = false; throw e; } finally { decrementCounter(); } } }); // t3 takes more than 10 minutes (on Ultra-60 450MHz) without // the 4936355 fix due to getting the small delta. t[index++] = new Thread(new Runnable() { public void run() { GregorianCalendar gc = new GregorianCalendar(); long count = 0; int delta; try { for (long hourOfDay = Integer.MIN_VALUE; runrun && hourOfDay <= Integer.MAX_VALUE; hourOfDay += delta) { checkTimes(gc, 1970, java.util.Calendar.JANUARY, 1, hourOfDay, 0, 0); ++count; delta = getDelta(gc.get(java.util.Calendar.YEAR)); } for (long minutes = Integer.MIN_VALUE; runrun && minutes <= Integer.MAX_VALUE; minutes += delta) { checkTimes(gc, 1970, java.util.Calendar.JANUARY, 1, 0, minutes, 0); ++count; delta = getDelta(gc.get(java.util.Calendar.YEAR)) * 60; } for (long seconds = Integer.MIN_VALUE; runrun && seconds <= Integer.MAX_VALUE; seconds += delta) { checkTimes(gc, 1970, java.util.Calendar.JANUARY, 1, 0, 0, seconds); ++count; delta = getDelta(gc.get(java.util.Calendar.YEAR)) * 60 * 60; } } catch (RuntimeException e) { runrun = false; throw e; } finally { decrementCounter(); } } }); for (int i = 0; i < index; i++) { incrementCounter(); t[i].start(); } try { for (int i = 0; getCounter() > 0 && i < duration; i++) { Thread.sleep(1000); } runrun = false; for (int i = 0; i < index; i++) { t[i].join(); } } catch (InterruptedException e) { } } finally { TimeZone.setDefault(savedTZ); } } static void checkTimes(GregorianCalendar gc, long year, long month, long dayOfMonth, long hourOfDay, long minutes, long seconds) { gc.clear(); gc.set((int)year, (int)month, (int)dayOfMonth, (int)hourOfDay, (int)minutes, (int)seconds); long time = gc.getTimeInMillis(); Date date = new Date((int)year - 1900, (int)month, (int)dayOfMonth, (int)hourOfDay, (int)minutes, (int)seconds); long time2 = date.getTime(); if (time != time2) { throw new RuntimeException("GregorianCalendar and Date returned different values.\n" +"year="+year+", month="+month+", dayOfMonth="+dayOfMonth +"\nhourOfDay="+hourOfDay+", minutes="+minutes+", seconds="+seconds +"\ntime=" + time + ", time2=" + time2 +"\nGC=" + gc + "\nDate=" + date); } } static final int getDelta(int year) { return (year >= 1970 && year <= 2039) ? 1 : 1<<13; } synchronized static void incrementCounter() { nThreads++; } synchronized static void decrementCounter() { nThreads--; } synchronized static int getCounter() { return nThreads; } }