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Merge changes from topic "DateIntervalFormat"

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* changes:
  Make a copy of DateIntervalFormat from libcore - part 2
  Make a copy of DateIntervalFormat from libcore
This commit is contained in:
vichang
2020-07-21 08:59:57 +00:00
committed by Gerrit Code Review
parent e1c169c983 3a3a8ada42
commit 6e706c4cee
3 changed files with 797 additions and 1 deletions
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126
core/java/android/text/format/DateIntervalFormat.java Normal file
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@@ -0,0 +1,126 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.text.format;
import static android.text.format.DateUtilsBridge.FORMAT_UTC;
import static com.android.internal.annotations.VisibleForTesting.Visibility.PACKAGE;
import android.icu.util.Calendar;
import android.icu.util.ULocale;
import android.util.LruCache;
import com.android.internal.annotations.VisibleForTesting;
import java.text.FieldPosition;
import java.util.TimeZone;
/**
* A wrapper of {@link android.icu.text.DateIntervalFormat} used by {@link DateUtilsBridge}.
*
* @hide
*/
@VisibleForTesting(visibility = PACKAGE)
public final class DateIntervalFormat {
private static final LruCache<String, android.icu.text.DateIntervalFormat> CACHED_FORMATTERS =
new LruCache<>(8);
private DateIntervalFormat() {
}
/**
* Format a date range.
*/
@VisibleForTesting(visibility = PACKAGE)
public static String formatDateRange(long startMs, long endMs, int flags, String olsonId) {
if ((flags & FORMAT_UTC) != 0) {
olsonId = "UTC";
}
// We create a java.util.TimeZone here to use libcore's data and libcore's olson ID /
// pseudo-tz logic.
TimeZone tz = (olsonId != null) ? TimeZone.getTimeZone(olsonId) : TimeZone.getDefault();
android.icu.util.TimeZone icuTimeZone = DateUtilsBridge.icuTimeZone(tz);
ULocale icuLocale = ULocale.getDefault();
return formatDateRange(icuLocale, icuTimeZone, startMs, endMs, flags);
}
/**
* Format a date range. This is our slightly more sensible internal API.
* A truly sane replacement would take a skeleton instead of int flags.
*/
@VisibleForTesting(visibility = PACKAGE)
public static String formatDateRange(ULocale icuLocale, android.icu.util.TimeZone icuTimeZone,
long startMs, long endMs, int flags) {
Calendar startCalendar = DateUtilsBridge.createIcuCalendar(icuTimeZone, icuLocale, startMs);
Calendar endCalendar;
if (startMs == endMs) {
endCalendar = startCalendar;
} else {
endCalendar = DateUtilsBridge.createIcuCalendar(icuTimeZone, icuLocale, endMs);
}
// Special handling when the range ends at midnight:
// - If we're not showing times, and the range is non-empty, we fudge the end date so we
// don't count the day that's about to start.
// - If we are showing times, and the range ends at exactly 00:00 of the day following
// its start (which can be thought of as 24:00 the same day), we fudge the end date so we
// don't show the dates --- unless the start is anything displayed as 00:00, in which case
// we include both dates to disambiguate.
// This is not the behavior of icu4j's DateIntervalFormat, but it's the required behavior
// of Android's DateUtils.formatDateRange.
if (isExactlyMidnight(endCalendar)) {
boolean showTime =
(flags & DateUtilsBridge.FORMAT_SHOW_TIME) == DateUtilsBridge.FORMAT_SHOW_TIME;
boolean endsDayAfterStart = DateUtilsBridge.dayDistance(startCalendar, endCalendar)
== 1;
if ((!showTime && startMs != endMs)
|| (endsDayAfterStart
&& !DateUtilsBridge.isDisplayMidnightUsingSkeleton(startCalendar))) {
endCalendar.add(Calendar.DAY_OF_MONTH, -1);
}
}
String skeleton = DateUtilsBridge.toSkeleton(startCalendar, endCalendar, flags);
synchronized (CACHED_FORMATTERS) {
android.icu.text.DateIntervalFormat formatter =
getFormatter(skeleton, icuLocale, icuTimeZone);
return formatter.format(startCalendar, endCalendar, new StringBuffer(),
new FieldPosition(0)).toString();
}
}
private static android.icu.text.DateIntervalFormat getFormatter(String skeleton, ULocale locale,
android.icu.util.TimeZone icuTimeZone) {
String key = skeleton + "\t" + locale + "\t" + icuTimeZone;
android.icu.text.DateIntervalFormat formatter = CACHED_FORMATTERS.get(key);
if (formatter != null) {
return formatter;
}
formatter = android.icu.text.DateIntervalFormat.getInstance(skeleton, locale);
formatter.setTimeZone(icuTimeZone);
CACHED_FORMATTERS.put(key, formatter);
return formatter;
}
private static boolean isExactlyMidnight(Calendar c) {
return c.get(Calendar.HOUR_OF_DAY) == 0
&& c.get(Calendar.MINUTE) == 0
&& c.get(Calendar.SECOND) == 0
&& c.get(Calendar.MILLISECOND) == 0;
}
}

1
core/java/android/text/format/DateUtils.java
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@@ -27,7 +27,6 @@ import android.icu.util.MeasureUnit;
import com.android.internal.R;
import libcore.icu.DateIntervalFormat;
import libcore.icu.LocaleData;
import java.io.IOException;

671
core/tests/coretests/src/android/text/format/DateIntervalFormatTest.java Normal file
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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.text.format;
import static android.icu.util.TimeZone.GMT_ZONE;
import static android.icu.util.ULocale.ENGLISH;
import static android.text.format.DateIntervalFormat.formatDateRange;
import static android.text.format.DateUtilsBridge.FORMAT_12HOUR;
import static android.text.format.DateUtilsBridge.FORMAT_24HOUR;
import static android.text.format.DateUtilsBridge.FORMAT_ABBREV_ALL;
import static android.text.format.DateUtilsBridge.FORMAT_ABBREV_MONTH;
import static android.text.format.DateUtilsBridge.FORMAT_ABBREV_TIME;
import static android.text.format.DateUtilsBridge.FORMAT_ABBREV_WEEKDAY;
import static android.text.format.DateUtilsBridge.FORMAT_NO_MONTH_DAY;
import static android.text.format.DateUtilsBridge.FORMAT_NO_YEAR;
import static android.text.format.DateUtilsBridge.FORMAT_NUMERIC_DATE;
import static android.text.format.DateUtilsBridge.FORMAT_SHOW_DATE;
import static android.text.format.DateUtilsBridge.FORMAT_SHOW_TIME;
import static android.text.format.DateUtilsBridge.FORMAT_SHOW_WEEKDAY;
import static android.text.format.DateUtilsBridge.FORMAT_SHOW_YEAR;
import static android.text.format.DateUtilsBridge.FORMAT_UTC;
import static org.junit.Assert.assertEquals;
import android.icu.util.Calendar;
import android.icu.util.TimeZone;
import android.icu.util.ULocale;
import android.platform.test.annotations.Presubmit;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.function.BiFunction;
@Presubmit
@SmallTest
@RunWith(AndroidJUnit4.class)
public class DateIntervalFormatTest {
private static final long MINUTE = 60 * 1000;
private static final long HOUR = 60 * MINUTE;
private static final long DAY = 24 * HOUR;
private static final long MONTH = 31 * DAY;
private static final long YEAR = 12 * MONTH;
// These are the old CTS tests for DateIntervalFormat.formatDateRange.
@Test
public void test_formatDateInterval() throws Exception {
TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = Calendar.getInstance(tz, ULocale.US);
c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DAY_OF_MONTH, 19);
c.set(Calendar.HOUR_OF_DAY, 3);
c.set(Calendar.MINUTE, 30);
c.set(Calendar.SECOND, 15);
c.set(Calendar.MILLISECOND, 0);
long timeWithCurrentYear = c.getTimeInMillis();
c.set(Calendar.YEAR, 2009);
long fixedTime = c.getTimeInMillis();
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
long onTheHour = c.getTimeInMillis();
long noonDuration = (8 * 60 + 30) * 60 * 1000 - 15 * 1000;
long midnightDuration = (3 * 60 + 30) * 60 * 1000 + 15 * 1000;
ULocale de_DE = new ULocale("de", "DE");
ULocale en_US = new ULocale("en", "US");
ULocale es_ES = new ULocale("es", "ES");
ULocale es_US = new ULocale("es", "US");
assertEquals("Monday",
formatDateRange(en_US, tz, fixedTime, fixedTime + HOUR, FORMAT_SHOW_WEEKDAY));
assertEquals("January 19",
formatDateRange(en_US, tz, timeWithCurrentYear, timeWithCurrentYear + HOUR,
FORMAT_SHOW_DATE));
assertEquals("3:30 AM", formatDateRange(en_US, tz, fixedTime, fixedTime, FORMAT_SHOW_TIME));
assertEquals("January 19, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + HOUR, FORMAT_SHOW_YEAR));
assertEquals("January 19",
formatDateRange(en_US, tz, fixedTime, fixedTime + HOUR, FORMAT_NO_YEAR));
assertEquals("January",
formatDateRange(en_US, tz, timeWithCurrentYear, timeWithCurrentYear + HOUR,
FORMAT_NO_MONTH_DAY));
assertEquals("3:30 AM",
formatDateRange(en_US, tz, fixedTime, fixedTime, FORMAT_12HOUR | FORMAT_SHOW_TIME));
assertEquals("03:30",
formatDateRange(en_US, tz, fixedTime, fixedTime, FORMAT_24HOUR | FORMAT_SHOW_TIME));
assertEquals("3:30 AM", formatDateRange(en_US, tz, fixedTime, fixedTime,
FORMAT_12HOUR /*| FORMAT_CAP_AMPM*/ | FORMAT_SHOW_TIME));
assertEquals("12:00 PM",
formatDateRange(en_US, tz, fixedTime + noonDuration, fixedTime + noonDuration,
FORMAT_12HOUR | FORMAT_SHOW_TIME));
assertEquals("12:00 PM",
formatDateRange(en_US, tz, fixedTime + noonDuration, fixedTime + noonDuration,
FORMAT_12HOUR | FORMAT_SHOW_TIME /*| FORMAT_CAP_NOON*/));
assertEquals("12:00 PM",
formatDateRange(en_US, tz, fixedTime + noonDuration, fixedTime + noonDuration,
FORMAT_12HOUR /*| FORMAT_NO_NOON*/ | FORMAT_SHOW_TIME));
assertEquals("12:00 AM", formatDateRange(en_US, tz, fixedTime - midnightDuration,
fixedTime - midnightDuration,
FORMAT_12HOUR | FORMAT_SHOW_TIME /*| FORMAT_NO_MIDNIGHT*/));
assertEquals("3:30 AM",
formatDateRange(en_US, tz, fixedTime, fixedTime, FORMAT_SHOW_TIME | FORMAT_UTC));
assertEquals("3 AM", formatDateRange(en_US, tz, onTheHour, onTheHour,
FORMAT_SHOW_TIME | FORMAT_ABBREV_TIME));
assertEquals("Mon", formatDateRange(en_US, tz, fixedTime, fixedTime + HOUR,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_WEEKDAY));
assertEquals("Jan 19",
formatDateRange(en_US, tz, timeWithCurrentYear, timeWithCurrentYear + HOUR,
FORMAT_SHOW_DATE | FORMAT_ABBREV_MONTH));
assertEquals("Jan 19",
formatDateRange(en_US, tz, timeWithCurrentYear, timeWithCurrentYear + HOUR,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("1/19/2009", formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * HOUR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("1/19/2009 – 1/22/2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("1/19/2009 – 4/22/2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("1/19/2009 – 2/9/2012",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19.1.2009", formatDateRange(de_DE, tz, fixedTime, fixedTime + HOUR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19.–22.01.2009", formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19.01. – 22.04.2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19.01.2009 – 09.02.2012",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009", formatDateRange(es_US, tz, fixedTime, fixedTime + HOUR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009–22/1/2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009–22/4/2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009–9/2/2012",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009", formatDateRange(es_ES, tz, fixedTime, fixedTime + HOUR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009–22/1/2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009–22/4/2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
assertEquals("19/1/2009–9/2/2012",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_YEAR | FORMAT_NUMERIC_DATE));
// These are some random other test cases I came up with.
assertEquals("January 19 – 22, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * DAY, 0));
assertEquals("Jan 19 – 22, 2009", formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("Mon, Jan 19 – Thu, Jan 22, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("Monday, January 19 – Thursday, January 22, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * DAY, FORMAT_SHOW_WEEKDAY));
assertEquals("January 19 – April 22, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * MONTH, 0));
assertEquals("Jan 19 – Apr 22, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("Mon, Jan 19 – Wed, Apr 22, 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("January – April 2009",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * MONTH, FORMAT_NO_MONTH_DAY));
assertEquals("Jan 19, 2009 – Feb 9, 2012",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("Jan 2009 – Feb 2012",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_NO_MONTH_DAY | FORMAT_ABBREV_ALL));
assertEquals("January 19, 2009 – February 9, 2012",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * YEAR, 0));
assertEquals("Monday, January 19, 2009 – Thursday, February 9, 2012",
formatDateRange(en_US, tz, fixedTime, fixedTime + 3 * YEAR, FORMAT_SHOW_WEEKDAY));
// The same tests but for de_DE.
assertEquals("19.–22. Januar 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * DAY, 0));
assertEquals("19.–22. Jan. 2009", formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("Mo., 19. – Do., 22. Jan. 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("Montag, 19. – Donnerstag, 22. Januar 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * DAY, FORMAT_SHOW_WEEKDAY));
assertEquals("19. Januar – 22. April 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * MONTH, 0));
assertEquals("19. Jan. – 22. Apr. 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("Mo., 19. Jan. – Mi., 22. Apr. 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("Januar–April 2009",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * MONTH, FORMAT_NO_MONTH_DAY));
assertEquals("19. Jan. 2009 – 9. Feb. 2012",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("Jan. 2009 – Feb. 2012",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_NO_MONTH_DAY | FORMAT_ABBREV_ALL));
assertEquals("19. Januar 2009 – 9. Februar 2012",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * YEAR, 0));
assertEquals("Montag, 19. Januar 2009 – Donnerstag, 9. Februar 2012",
formatDateRange(de_DE, tz, fixedTime, fixedTime + 3 * YEAR, FORMAT_SHOW_WEEKDAY));
// The same tests but for es_US.
assertEquals("19–22 de enero de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * DAY, 0));
assertEquals("19–22 de ene. de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("lun., 19 de ene. – jue., 22 de ene. de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("lunes, 19 de enero–jueves, 22 de enero de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * DAY, FORMAT_SHOW_WEEKDAY));
assertEquals("19 de enero–22 de abril de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * MONTH, 0));
assertEquals("19 de ene. – 22 de abr. 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("lun., 19 de ene. – mié., 22 de abr. de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("enero–abril de 2009",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * MONTH, FORMAT_NO_MONTH_DAY));
assertEquals("19 de ene. de 2009 – 9 de feb. de 2012",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("ene. de 2009 – feb. de 2012",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_NO_MONTH_DAY | FORMAT_ABBREV_ALL));
assertEquals("19 de enero de 2009–9 de febrero de 2012",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * YEAR, 0));
assertEquals("lunes, 19 de enero de 2009–jueves, 9 de febrero de 2012",
formatDateRange(es_US, tz, fixedTime, fixedTime + 3 * YEAR, FORMAT_SHOW_WEEKDAY));
// The same tests but for es_ES.
assertEquals("19–22 de enero de 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * DAY, 0));
assertEquals("19–22 ene. 2009", formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("lun., 19 ene. – jue., 22 ene. 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * DAY,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("lunes, 19 de enero–jueves, 22 de enero de 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * DAY, FORMAT_SHOW_WEEKDAY));
assertEquals("19 de enero–22 de abril de 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * MONTH, 0));
assertEquals("19 ene. – 22 abr. 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("lun., 19 ene. – mié., 22 abr. 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * MONTH,
FORMAT_SHOW_WEEKDAY | FORMAT_ABBREV_ALL));
assertEquals("enero–abril de 2009",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * MONTH, FORMAT_NO_MONTH_DAY));
assertEquals("19 ene. 2009 – 9 feb. 2012",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL));
assertEquals("ene. 2009 – feb. 2012",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * YEAR,
FORMAT_NO_MONTH_DAY | FORMAT_ABBREV_ALL));
assertEquals("19 de enero de 2009–9 de febrero de 2012",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * YEAR, 0));
assertEquals("lunes, 19 de enero de 2009–jueves, 9 de febrero de 2012",
formatDateRange(es_ES, tz, fixedTime, fixedTime + 3 * YEAR, FORMAT_SHOW_WEEKDAY));
}
// http://b/8862241 - we should be able to format dates past 2038.
// See also http://code.google.com/p/android/issues/detail?id=13050.
@Test
public void test8862241() throws Exception {
ULocale l = ULocale.US;
TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = Calendar.getInstance(tz, l);
c.clear();
c.set(2042, Calendar.JANUARY, 19, 3, 30);
long jan_19_2042 = c.getTimeInMillis();
c.set(2046, Calendar.OCTOBER, 4, 3, 30);
long oct_4_2046 = c.getTimeInMillis();
int flags = FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL;
assertEquals("Jan 19, 2042 – Oct 4, 2046",
formatDateRange(l, tz, jan_19_2042, oct_4_2046, flags));
}
// http://b/10089890 - we should take the given time zone into account.
@Test
public void test10089890() throws Exception {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
TimeZone pacific = TimeZone.getTimeZone("America/Los_Angeles");
int flags = FORMAT_SHOW_DATE | FORMAT_ABBREV_ALL | FORMAT_SHOW_TIME | FORMAT_24HOUR;
// The Unix epoch is UTC, so 0 is 1970-01-01T00:00Z...
assertEquals("Jan 1, 1970, 00:00 – Jan 2, 1970, 00:00",
formatDateRange(l, utc, 0, DAY + 1, flags));
// But MTV is hours behind, so 0 was still the afternoon of the previous day...
assertEquals("Dec 31, 1969, 16:00 – Jan 1, 1970, 16:00",
formatDateRange(l, pacific, 0, DAY, flags));
}
// http://b/10318326 - we can drop the minutes in a 12-hour time if they're zero,
// but not if we're using the 24-hour clock. That is: "4 PM" is reasonable, "16" is not.
@Test
public void test10318326() throws Exception {
long midnight = 0;
long teaTime = 16 * HOUR;
int time12 = FORMAT_12HOUR | FORMAT_SHOW_TIME;
int time24 = FORMAT_24HOUR | FORMAT_SHOW_TIME;
int abbr12 = time12 | FORMAT_ABBREV_ALL;
int abbr24 = time24 | FORMAT_ABBREV_ALL;
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
// Full length on-the-hour times.
assertEquals("00:00", formatDateRange(l, utc, midnight, midnight, time24));
assertEquals("12:00 AM", formatDateRange(l, utc, midnight, midnight, time12));
assertEquals("16:00", formatDateRange(l, utc, teaTime, teaTime, time24));
assertEquals("4:00 PM", formatDateRange(l, utc, teaTime, teaTime, time12));
// Abbreviated on-the-hour times.
assertEquals("00:00", formatDateRange(l, utc, midnight, midnight, abbr24));
assertEquals("12 AM", formatDateRange(l, utc, midnight, midnight, abbr12));
assertEquals("16:00", formatDateRange(l, utc, teaTime, teaTime, abbr24));
assertEquals("4 PM", formatDateRange(l, utc, teaTime, teaTime, abbr12));
// Abbreviated on-the-hour ranges.
assertEquals("00:00 – 16:00", formatDateRange(l, utc, midnight, teaTime, abbr24));
assertEquals("12 AM – 4 PM", formatDateRange(l, utc, midnight, teaTime, abbr12));
// Abbreviated mixed ranges.
assertEquals("00:00 – 16:01", formatDateRange(l, utc, midnight, teaTime + MINUTE, abbr24));
assertEquals("12:00 AM – 4:01 PM",
formatDateRange(l, utc, midnight, teaTime + MINUTE, abbr12));
}
// http://b/10560853 - when the time is not displayed, an end time 0 ms into the next day is
// considered to belong to the previous day.
@Test
public void test10560853_when_time_not_displayed() throws Exception {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
long midnight = 0;
long midnightNext = 1 * DAY;
int flags = FORMAT_SHOW_DATE | FORMAT_SHOW_WEEKDAY;
// An all-day event runs until 0 milliseconds into the next day, but is formatted as if it's
// just the first day.
assertEquals("Thursday, January 1, 1970",
formatDateRange(l, utc, midnight, midnightNext, flags));
// Run one millisecond over, though, and you're into the next day.
long nextMorning = 1 * DAY + 1;
assertEquals("Thursday, January 1 – Friday, January 2, 1970",
formatDateRange(l, utc, midnight, nextMorning, flags));
// But the same reasoning applies for that day.
long nextMidnight = 2 * DAY;
assertEquals("Thursday, January 1 – Friday, January 2, 1970",
formatDateRange(l, utc, midnight, nextMidnight, flags));
}
// http://b/10560853 - when the start and end times are otherwise on the same day,
// an end time 0 ms into the next day is considered to belong to the previous day.
@Test
public void test10560853_for_single_day_events() throws Exception {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
int flags = FORMAT_SHOW_TIME | FORMAT_24HOUR | FORMAT_SHOW_DATE;
assertEquals("January 1, 1970, 22:00 – 00:00",
formatDateRange(l, utc, 22 * HOUR, 24 * HOUR, flags));
assertEquals("January 1, 1970, 22:00 – January 2, 1970, 00:30",
formatDateRange(l, utc, 22 * HOUR, 24 * HOUR + 30 * MINUTE, flags));
}
// The fix for http://b/10560853 didn't work except for the day around the epoch, which was
// all the unit test checked!
@Test
public void test_single_day_events_later_than_epoch() throws Exception {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
int flags = FORMAT_SHOW_TIME | FORMAT_24HOUR | FORMAT_SHOW_DATE;
Calendar c = Calendar.getInstance(utc, l);
c.clear();
c.set(1980, Calendar.JANUARY, 1, 0, 0);
long jan_1_1980 = c.getTimeInMillis();
assertEquals("January 1, 1980, 22:00 – 00:00",
formatDateRange(l, utc, jan_1_1980 + 22 * HOUR, jan_1_1980 + 24 * HOUR, flags));
assertEquals("January 1, 1980, 22:00 – January 2, 1980, 00:30",
formatDateRange(l, utc, jan_1_1980 + 22 * HOUR,
jan_1_1980 + 24 * HOUR + 30 * MINUTE, flags));
}
// The fix for http://b/10560853 didn't work except for UTC, which was
// all the unit test checked!
@Test
public void test_single_day_events_not_in_UTC() throws Exception {
ULocale l = ULocale.US;
TimeZone pacific = TimeZone.getTimeZone("America/Los_Angeles");
int flags = FORMAT_SHOW_TIME | FORMAT_24HOUR | FORMAT_SHOW_DATE;
Calendar c = Calendar.getInstance(pacific, l);
c.clear();
c.set(1980, Calendar.JANUARY, 1, 0, 0);
long jan_1_1980 = c.getTimeInMillis();
assertEquals("January 1, 1980, 22:00 – 00:00",
formatDateRange(l, pacific, jan_1_1980 + 22 * HOUR, jan_1_1980 + 24 * HOUR, flags));
c.set(1980, Calendar.JULY, 1, 0, 0);
long jul_1_1980 = c.getTimeInMillis();
assertEquals("July 1, 1980, 22:00 – 00:00",
formatDateRange(l, pacific, jul_1_1980 + 22 * HOUR, jul_1_1980 + 24 * HOUR, flags));
}
// http://b/10209343 - even if the caller didn't explicitly ask us to include the year,
// we should do so for years other than the current year.
@Test
public void test10209343_when_not_this_year() {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
int flags = FORMAT_SHOW_DATE | FORMAT_SHOW_WEEKDAY | FORMAT_SHOW_TIME | FORMAT_24HOUR;
assertEquals("Thursday, January 1, 1970, 00:00", formatDateRange(l, utc, 0L, 0L, flags));
long t1833 = ((long) Integer.MIN_VALUE + Integer.MIN_VALUE) * 1000L;
assertEquals("Sunday, November 24, 1833, 17:31",
formatDateRange(l, utc, t1833, t1833, flags));
long t1901 = Integer.MIN_VALUE * 1000L;
assertEquals("Friday, December 13, 1901, 20:45",
formatDateRange(l, utc, t1901, t1901, flags));
long t2038 = Integer.MAX_VALUE * 1000L;
assertEquals("Tuesday, January 19, 2038, 03:14",
formatDateRange(l, utc, t2038, t2038, flags));
long t2106 = (2L + Integer.MAX_VALUE + Integer.MAX_VALUE) * 1000L;
assertEquals("Sunday, February 7, 2106, 06:28",
formatDateRange(l, utc, t2106, t2106, flags));
}
// http://b/10209343 - for the current year, we should honor the FORMAT_SHOW_YEAR flags.
@Test
public void test10209343_when_this_year() {
// Construct a date in the current year (whenever the test happens to be run).
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
Calendar c = Calendar.getInstance(utc, l);
c.set(Calendar.MONTH, Calendar.FEBRUARY);
c.set(Calendar.DAY_OF_MONTH, 10);
c.set(Calendar.HOUR_OF_DAY, 0);
long thisYear = c.getTimeInMillis();
// You don't get the year if it's this year...
assertEquals("February 10", formatDateRange(l, utc, thisYear, thisYear, FORMAT_SHOW_DATE));
// ...unless you explicitly ask for it.
assertEquals(String.format("February 10, %d", c.get(Calendar.YEAR)),
formatDateRange(l, utc, thisYear, thisYear, FORMAT_SHOW_DATE | FORMAT_SHOW_YEAR));
// ...or it's not actually this year...
Calendar c2 = (Calendar) c.clone();
c2.set(Calendar.YEAR, 1980);
long oldYear = c2.getTimeInMillis();
assertEquals("February 10, 1980",
formatDateRange(l, utc, oldYear, oldYear, FORMAT_SHOW_DATE));
// (But you can disable that!)
assertEquals("February 10",
formatDateRange(l, utc, oldYear, oldYear, FORMAT_SHOW_DATE | FORMAT_NO_YEAR));
// ...or the start and end years aren't the same...
assertEquals(String.format("February 10, 1980 – February 10, %d", c.get(Calendar.YEAR)),
formatDateRange(l, utc, oldYear, thisYear, FORMAT_SHOW_DATE));
// (And you can't avoid that --- icu4c steps in and overrides you.)
assertEquals(String.format("February 10, 1980 – February 10, %d", c.get(Calendar.YEAR)),
formatDateRange(l, utc, oldYear, thisYear, FORMAT_SHOW_DATE | FORMAT_NO_YEAR));
}
// http://b/8467515 - yet another y2k38 bug report.
@Test
public void test8467515() throws Exception {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
int flags = FORMAT_SHOW_DATE | FORMAT_SHOW_WEEKDAY | FORMAT_SHOW_YEAR | FORMAT_ABBREV_MONTH
| FORMAT_ABBREV_WEEKDAY;
long t;
Calendar calendar = Calendar.getInstance(utc, l);
calendar.clear();
calendar.set(2038, Calendar.JANUARY, 19, 12, 0, 0);
t = calendar.getTimeInMillis();
assertEquals("Tue, Jan 19, 2038", formatDateRange(l, utc, t, t, flags));
calendar.set(1900, Calendar.JANUARY, 1, 0, 0, 0);
t = calendar.getTimeInMillis();
assertEquals("Mon, Jan 1, 1900", formatDateRange(l, utc, t, t, flags));
}
// http://b/12004664
@Test
public void test12004664() throws Exception {
TimeZone utc = TimeZone.getTimeZone("UTC");
Calendar c = Calendar.getInstance(utc, ULocale.US);
c.clear();
c.set(Calendar.YEAR, 1980);
c.set(Calendar.MONTH, Calendar.FEBRUARY);
c.set(Calendar.DAY_OF_MONTH, 10);
c.set(Calendar.HOUR_OF_DAY, 0);
long thisYear = c.getTimeInMillis();
int flags = FORMAT_SHOW_DATE | FORMAT_SHOW_WEEKDAY | FORMAT_SHOW_YEAR;
assertEquals("Sunday, February 10, 1980",
formatDateRange(new ULocale("en", "US"), utc, thisYear, thisYear, flags));
// If we supported non-Gregorian calendars, this is what that we'd expect for these
// ULocales.
// This is really the correct behavior, but since java.util.Calendar currently only supports
// the Gregorian calendar, we want to deliberately force icu4c to agree, otherwise we'd have
// a mix of calendars throughout an app's UI depending on whether Java or native code
// formatted
// the date.
// assertEquals("یکشنبه ۲۱ بهمن ۱۳۵۸ ه‍.ش.", formatDateRange(new ULocale("fa"), utc,
// thisYear, thisYear, flags));
// assertEquals("AP ۱۳۵۸ سلواغه ۲۱, یکشنبه", formatDateRange(new ULocale("ps"), utc,
// thisYear, thisYear, flags));
// assertEquals("วันอาทิตย์ 10 กุมภาพันธ์ 2523", formatDateRange(new ULocale("th"), utc,
// thisYear, thisYear, flags));
// For now, here are the localized Gregorian strings instead...
assertEquals("یکشنبه ۱۰ فوریهٔ ۱۹۸۰",
formatDateRange(new ULocale("fa"), utc, thisYear, thisYear, flags));
assertEquals("يونۍ د ۱۹۸۰ د فبروري ۱۰",
formatDateRange(new ULocale("ps"), utc, thisYear, thisYear, flags));
assertEquals("วันอาทิตย์ที่ 10 กุมภาพันธ์ ค.ศ. 1980",
formatDateRange(new ULocale("th"), utc, thisYear, thisYear, flags));
}
// http://b/13234532
@Test
public void test13234532() throws Exception {
ULocale l = ULocale.US;
TimeZone utc = TimeZone.getTimeZone("UTC");
int flags = FORMAT_SHOW_TIME | FORMAT_ABBREV_ALL | FORMAT_12HOUR;
assertEquals("10 – 11 AM", formatDateRange(l, utc, 10 * HOUR, 11 * HOUR, flags));
assertEquals("11 AM – 1 PM", formatDateRange(l, utc, 11 * HOUR, 13 * HOUR, flags));
assertEquals("2 – 3 PM", formatDateRange(l, utc, 14 * HOUR, 15 * HOUR, flags));
}
// http://b/20708022
@Test
public void testEndOfDayOnLastDayOfMonth() throws Exception {
final ULocale locale = new ULocale("en");
final TimeZone timeZone = TimeZone.getTimeZone("UTC");
assertEquals("11:00 PM – 12:00 AM", formatDateRange(locale, timeZone,
1430434800000L, 1430438400000L, FORMAT_SHOW_TIME));
}
// http://b/68847519
@Test
public void testEndAtMidnight_dateAndTime() {
BiFunction<Long, Long, String> fmt = (from, to) -> formatDateRange(
ENGLISH, GMT_ZONE, from, to, FORMAT_SHOW_DATE | FORMAT_SHOW_TIME | FORMAT_24HOUR);
// If we're showing times and the end-point is midnight the following day, we want the
// behaviour of suppressing the date for the end...
assertEquals("February 27, 2007, 04:00 – 00:00", fmt.apply(1172548800000L, 1172620800000L));
// ...unless the start-point is also midnight, in which case we need dates to disambiguate.
assertEquals("February 27, 2007, 00:00 – February 28, 2007, 00:00",
fmt.apply(1172534400000L, 1172620800000L));
// We want to show the date if the end-point is a millisecond after midnight the following
// day, or if it is exactly midnight the day after that.
assertEquals("February 27, 2007, 04:00 – February 28, 2007, 00:00",
fmt.apply(1172548800000L, 1172620800001L));
assertEquals("February 27, 2007, 04:00 – March 1, 2007, 00:00",
fmt.apply(1172548800000L, 1172707200000L));
// We want to show the date if the start-point is anything less than a minute after
// midnight,
// since that gets displayed as midnight...
assertEquals("February 27, 2007, 00:00 – February 28, 2007, 00:00",
fmt.apply(1172534459999L, 1172620800000L));
// ...but not if it is exactly one minute after midnight.
assertEquals("February 27, 2007, 00:01 – 00:00", fmt.apply(1172534460000L, 1172620800000L));
}
// http://b/68847519
@Test
public void testEndAtMidnight_dateOnly() {
BiFunction<Long, Long, String> fmt = (from, to) -> formatDateRange(
ENGLISH, GMT_ZONE, from, to, FORMAT_SHOW_DATE);
// If we're only showing dates and the end-point is midnight of any day, we want the
// behaviour of showing an end date one earlier. So if the end-point is March 2, 2007 00:00,
// show March 1, 2007 instead (whether the start-point is midnight or not).
assertEquals("February 27 – March 1, 2007", fmt.apply(1172534400000L, 1172793600000L));
assertEquals("February 27 – March 1, 2007", fmt.apply(1172548800000L, 1172793600000L));
// We want to show the true date if the end-point is a millisecond after midnight.
assertEquals("February 27 – March 2, 2007", fmt.apply(1172534400000L, 1172793600001L));
// 2006-02-27 00:00:00.000 GMT - 2007-03-02 00:00:00.000 GMT
assertEquals("February 27, 2006 – March 1, 2007",
fmt.apply(1140998400000L, 1172793600000L));
// Spans a leap year's Feb 29th.
assertEquals("February 27 – March 1, 2004", fmt.apply(1077840000000L, 1078185600000L));
}
}