| /* |
| * 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.Date; |
| 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 { |
| // 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 should claim to be equal, even though they aren't really. |
| 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)); |
| |
| // Whereas the deserialized object can't, because it lost the strings... |
| assertEquals("stycznia", formatDate(pl, "MMMM", deserializedDfs)); |
| assertEquals("stycznia", 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)); |
| } |
| } |