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/*
* @test
* @bug 4267450
* @summary Unit test for week date support
*/
import java.text.*;
import java.util.*;
import static java.util.GregorianCalendar.*;
public class WeekDateTest {
// Week dates are in the ISO numbering for day-of-week.
static int[][][] data = {
// Calendar year-date, Week year-date
{{ 2005, 01, 01}, { 2004, 53, 6}},
{{ 2005, 01, 02}, { 2004, 53, 7}},
{{ 2005, 12, 31}, { 2005, 52, 6}},
{{ 2007, 01, 01}, { 2007, 01, 1}},
{{ 2007, 12, 30}, { 2007, 52, 7}},
{{ 2007, 12, 31}, { 2008, 01, 1}},
{{ 2008, 01, 01}, { 2008, 01, 2}},
{{ 2008, 12, 29}, { 2009, 01, 1}},
{{ 2008, 12, 31}, { 2009, 01, 3}},
{{ 2009, 01, 01}, { 2009, 01, 4}},
{{ 2009, 12, 31}, { 2009, 53, 4}},
{{ 2010, 01, 03}, { 2009, 53, 7}},
{{ 2009, 12, 31}, { 2009, 53, 4}},
{{ 2010, 01, 01}, { 2009, 53, 5}},
{{ 2010, 01, 02}, { 2009, 53, 6}},
{{ 2010, 01, 03}, { 2009, 53, 7}},
{{ 2008, 12, 28}, { 2008, 52, 7}},
{{ 2008, 12, 29}, { 2009, 01, 1}},
{{ 2008, 12, 30}, { 2009, 01, 2}},
{{ 2008, 12, 31}, { 2009, 01, 3}},
{{ 2009, 01, 01}, { 2009, 01, 4}}
};
// Data for leniency test
static final int[][][] leniencyData = {
{{ 2008, 12, 28}, { 2009, 0, 7}},
{{ 2008, 12, 21}, { 2009, -1, 7}},
{{ 2009, 1, 4}, { 2008, 53, 7}},
};
static final int[][] invalidData = {
{ 2010, -1, 1},
{ 2010, 00, 1},
{ 2010, 55, 1},
{ 2010, 03, 0},
{ 2010, 04, 8},
{ 2010, 04, 19},
{ 2010, 05, -1},
};
public static void main(String[] args) {
GregorianCalendar cal = newCalendar();
for (int[][] dates : data) {
int[] expected = dates[0];
int[] weekDate = dates[1];
// Convert ISO 8601 day-of-week to Calendar.DAY_OF_WEEK.
int dayOfWeek = getCalendarDayOfWeek(weekDate[2]);
cal.clear();
cal.setWeekDate(weekDate[0], weekDate[1], dayOfWeek);
if (cal.get(YEAR) != expected[0]
|| cal.get(MONTH)+1 != expected[1]
|| cal.get(DAY_OF_MONTH) != expected[2]) {
String s = String.format("got=%4d-%02d-%02d, expected=%4d-%02d-%02d",
cal.get(YEAR), cal.get(MONTH)+1, cal.get(DAY_OF_MONTH),
expected[0], expected[1], expected[2]);
throw new RuntimeException(s);
}
if (cal.getWeekYear() != weekDate[0]
|| cal.get(WEEK_OF_YEAR) != weekDate[1]
|| cal.get(DAY_OF_WEEK) != dayOfWeek) {
String s = String.format(
"got=%4d-W%02d-%d, expected=%4d-W%02d-%d (not ISO day-of-week)",
cal.getWeekYear(), cal.get(WEEK_OF_YEAR), cal.get(DAY_OF_WEEK),
weekDate[0], weekDate[1], dayOfWeek);
throw new RuntimeException(s);
}
}
// Test getWeeksInWeekYear().
// If we avoid the first week of January and the last week of
// December, getWeeksInWeekYear() and
// getActualMaximum(WEEK_OF_YEAR) values should be the same.
for (int year = 2000; year <= 2100; year++) {
cal.clear();
cal.set(year, JUNE, 1);
int n = cal.getWeeksInWeekYear();
if (n != cal.getActualMaximum(WEEK_OF_YEAR)) {
String s = String.format("getWeeksInWeekYear() = %d, "
+ "getActualMaximum(WEEK_OF_YEAR) = %d%n",
n, cal.getActualMaximum(WEEK_OF_YEAR));
throw new RuntimeException(s);
}
cal.setWeekDate(cal.getWeekYear(), 1, MONDAY);
if (cal.getWeeksInWeekYear() != n) {
String s = String.format("first day: got %d, expected %d%n",
cal.getWeeksInWeekYear(), n);
throw new RuntimeException(s);
}
cal.setWeekDate(cal.getWeekYear(), n, SUNDAY);
if (cal.getWeeksInWeekYear() != n) {
String s = String.format("last day: got %d, expected %d%n",
cal.getWeeksInWeekYear(), n);
throw new RuntimeException(s);
}
}
// Test lenient mode with out of range values.
for (int[][] dates : leniencyData) {
int[] expected = dates[0];
int[] weekDate = dates[1];
// Convert ISO 8601 day-of-week to Calendar.DAY_OF_WEEK.
int dayOfWeek = getCalendarDayOfWeek(weekDate[2]);
cal.clear();
cal.setWeekDate(weekDate[0], weekDate[1], dayOfWeek);
if (cal.get(YEAR) != expected[0]
|| cal.get(MONTH)+1 != expected[1]
|| cal.get(DAY_OF_MONTH) != expected[2]) {
String s = String.format("got=%4d-%02d-%02d, expected=%4d-%02d-%02d",
cal.get(YEAR), cal.get(MONTH)+1, cal.get(DAY_OF_MONTH),
expected[0], expected[1], expected[2]);
throw new RuntimeException(s);
}
}
// Test non-lenient mode
cal.setLenient(false);
for (int[] date : invalidData) {
cal.clear();
try {
// Use the raw dayOfWeek value as invalid data
cal.setWeekDate(date[0], date[1], date[2]);
String s = String.format("didn't throw an IllegalArgumentException with"
+ " %d, %d, %d",date[0], date[1], date[2]);
throw new RuntimeException(s);
} catch (IllegalArgumentException e) {
// OK
}
}
}
private static GregorianCalendar newCalendar() {
// Use GMT to avoid any surprises related DST transitions.
GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
if (!cal.isWeekDateSupported()) {
throw new RuntimeException("Week dates not supported");
}
// Setup the ISO 8601 compatible parameters
cal.setFirstDayOfWeek(MONDAY);
cal.setMinimalDaysInFirstWeek(4);
return cal;
}
private static int getCalendarDayOfWeek(int isoDayOfWeek) {
return (isoDayOfWeek == 7) ? SUNDAY : isoDayOfWeek + 1;
}
}