| /* |
| * Copyright (C) 2010 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 libcore.java.text; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.text.DateFormatSymbols; |
| import java.text.SimpleDateFormat; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.TimeZone; |
| |
| public class DateFormatSymbolsTest extends junit.framework.TestCase { |
| private void assertLocaleIsEquivalentToRoot(Locale locale) { |
| DateFormatSymbols dfs = DateFormatSymbols.getInstance(locale); |
| assertEquals(DateFormatSymbols.getInstance(Locale.ROOT), dfs); |
| } |
| |
| /** http://b/3056586 */ |
| public void test_getInstance_unknown_locale() throws Exception { |
| // TODO: we fail this test. on Android, the root locale uses GMT offsets as names. |
| // see the invalid locale test below. on the RI, the root locale uses English names. |
| assertLocaleIsEquivalentToRoot(new Locale("xx", "XX")); |
| } |
| |
| public void test_getInstance_invalid_locale() throws Exception { |
| assertLocaleIsEquivalentToRoot(new Locale("not exist language", "not exist country")); |
| } |
| |
| public void testSerialization() throws Exception { |
| // Set the default locale. The default locale used to determine what strings were used by |
| // the DateFormatSymbols after deserialization. See http://b/16502916 |
| Locale.setDefault(Locale.US); |
| |
| // The Polish language needs stand-alone month and weekday names. |
| Locale pl = new Locale("pl"); |
| DateFormatSymbols originalDfs = new DateFormatSymbols(pl); |
| |
| // Serialize... |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| new ObjectOutputStream(out).writeObject(originalDfs); |
| byte[] bytes = out.toByteArray(); |
| |
| // Deserialize... |
| ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes)); |
| DateFormatSymbols deserializedDfs = (DateFormatSymbols) in.readObject(); |
| assertEquals(-1, in.read()); |
| |
| // The two objects be equal. |
| assertEquals(originalDfs, deserializedDfs); |
| |
| // The original differentiates between regular month names and stand-alone month names... |
| assertEquals("stycznia", formatDate(pl, "MMMM", originalDfs)); |
| assertEquals("stycze\u0144", formatDate(pl, "LLLL", originalDfs)); |
| |
| // And so does the deserialized version. |
| assertEquals("stycznia", formatDate(pl, "MMMM", deserializedDfs)); |
| assertEquals("stycze\u0144", formatDate(pl, "LLLL", deserializedDfs)); |
| } |
| |
| private String formatDate(Locale l, String fmt, DateFormatSymbols dfs) { |
| SimpleDateFormat sdf = new SimpleDateFormat(fmt, l); |
| sdf.setDateFormatSymbols(dfs); |
| sdf.setTimeZone(TimeZone.getTimeZone("UTC")); |
| return sdf.format(new Date(0)); |
| } |
| |
| public void test_getZoneStrings_cloning() throws Exception { |
| // Check that corrupting our array doesn't affect other callers. |
| |
| // Kill a row. |
| { |
| String[][] originalZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); |
| assertNotNull(originalZoneStrings[0]); |
| originalZoneStrings[0] = null; |
| String[][] currentZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); |
| assertNotNull(currentZoneStrings[0]); |
| } |
| |
| // Kill an element. |
| { |
| String[][] originalZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); |
| assertNotNull(originalZoneStrings[0][0]); |
| originalZoneStrings[0][0] = null; |
| String[][] currentZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); |
| assertNotNull(currentZoneStrings[0][0]); |
| } |
| } |
| |
| public void test_getZoneStrings_UTC() throws Exception { |
| HashMap<String, String[]> zoneStrings = new HashMap<String, String[]>(); |
| for (String[] row : DateFormatSymbols.getInstance(Locale.US).getZoneStrings()) { |
| zoneStrings.put(row[0], row); |
| } |
| |
| assertUtc(zoneStrings.get("Etc/UCT")); |
| assertUtc(zoneStrings.get("Etc/UTC")); |
| assertUtc(zoneStrings.get("Etc/Universal")); |
| assertUtc(zoneStrings.get("Etc/Zulu")); |
| |
| assertUtc(zoneStrings.get("UCT")); |
| assertUtc(zoneStrings.get("UTC")); |
| assertUtc(zoneStrings.get("Universal")); |
| assertUtc(zoneStrings.get("Zulu")); |
| } |
| private static void assertUtc(String[] row) { |
| // Element 0 is the Olson id. The short names should be "UTC". |
| // On the RI, the long names are localized. ICU doesn't have those, so we just use UTC. |
| assertEquals(Arrays.toString(row), "UTC", row[2]); |
| assertEquals(Arrays.toString(row), "UTC", row[4]); |
| } |
| |
| // http://b/8128460 |
| // If icu4c doesn't actually have a name, we arrange to return null from native code rather |
| // that use icu4c's probably-out-of-date time zone transition data. |
| // getZoneStrings has to paper over this. |
| public void test_getZoneStrings_no_nulls() throws Exception { |
| String[][] array = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); |
| int failCount = 0; |
| for (String[] row : array) { |
| for (String element : row) { |
| if (element == null) { |
| System.err.println(Arrays.toString(row)); |
| ++failCount; |
| } |
| } |
| } |
| assertEquals(0, failCount); |
| } |
| |
| // http://b/7955614 |
| public void test_getZoneStrings_Apia() throws Exception { |
| String[][] array = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); |
| for (int i = 0; i < array.length; ++i) { |
| String[] row = array[i]; |
| // Pacific/Apia is somewhat arbitrary; we just want a zone we have to generate |
| // "GMT" strings for the short names. |
| if (row[0].equals("Pacific/Apia")) { |
| assertEquals("Samoa Standard Time", row[1]); |
| assertEquals("GMT+13:00", row[2]); |
| assertEquals("Samoa Daylight Time", row[3]); |
| assertEquals("GMT+14:00", row[4]); |
| } |
| } |
| } |
| } |