| /* |
| * 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 |
| */ |
| |
| import java.util.*; |
| import static java.util.GregorianCalendar.*; |
| |
| // Usage: java DateGregorianCalendarTest [duration] |
| |
| @SuppressWarnings("deprecation") |
| public class DateGregorianCalendarTest { |
| static volatile boolean runrun = true; |
| static int nThreads; |
| |
| public static void main(String[] args) { |
| int duration = 600; |
| if (args.length == 1) { |
| duration = Math.max(10, Integer.parseInt(args[0])); |
| } |
| |
| 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(YEAR)) == (date.getYear()+1900) && |
| gc.get(MONTH) == date.getMonth() && |
| gc.get(DAY_OF_MONTH) == date.getDate() && |
| gc.get(HOUR_OF_DAY) == date.getHours() && |
| gc.get(MINUTE) == date.getMinutes() && |
| gc.get(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); |
| } |
| } |
| if (runrun) { |
| System.out.println("Part I (count="+count+"): Passed"); |
| } else { |
| System.out.println("Part I (count="+count+"): Incomplete"); |
| } |
| } catch (RuntimeException e) { |
| System.out.println("Part I (count="+count+"): FAILED"); |
| 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, 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(YEAR)); |
| } |
| |
| for (long dayOfMonth = Integer.MIN_VALUE; |
| runrun && dayOfMonth <= Integer.MAX_VALUE; dayOfMonth += delta) { |
| checkTimes(gc, 1900, JANUARY, dayOfMonth, 0, 0, 0); |
| ++count; |
| delta = getDelta(gc.get(YEAR)); |
| } |
| if (runrun) { |
| System.out.println("Part II (count="+count+"): Passed"); |
| } else { |
| System.out.println("Part II (count="+count+"): Incomplete"); |
| } |
| } catch (RuntimeException e) { |
| System.out.println("Part II (count="+count+"): FAILED"); |
| 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, JANUARY, 1, hourOfDay, 0, 0); |
| ++count; |
| delta = getDelta(gc.get(YEAR)); |
| } |
| for (long minutes = Integer.MIN_VALUE; |
| runrun && minutes <= Integer.MAX_VALUE; minutes += delta) { |
| checkTimes(gc, 1970, JANUARY, 1, 0, minutes, 0); |
| ++count; |
| delta = getDelta(gc.get(YEAR)) * 60; |
| } |
| for (long seconds = Integer.MIN_VALUE; |
| runrun && seconds <= Integer.MAX_VALUE; seconds += delta) { |
| checkTimes(gc, 1970, JANUARY, 1, 0, 0, seconds); |
| ++count; |
| delta = getDelta(gc.get(YEAR)) * 60 * 60; |
| } |
| if (runrun) { |
| System.out.println("Part III (count="+count+"): Passed"); |
| } else { |
| System.out.println("Part III (count="+count+"): Incomplete"); |
| } |
| } catch (RuntimeException e) { |
| System.out.println("Part III (count="+count+"): FAILED"); |
| 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("GregorinCalendar 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; |
| } |
| } |