1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package libcore.java.text; 18 19import java.io.ByteArrayInputStream; 20import java.io.ByteArrayOutputStream; 21import java.io.ObjectInputStream; 22import java.io.ObjectOutputStream; 23import java.text.DecimalFormatSymbols; 24import java.util.Locale; 25 26public class DecimalFormatSymbolsTest extends junit.framework.TestCase { 27 private void checkLocaleIsEquivalentToRoot(Locale locale) { 28 DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance(locale); 29 assertEquals(DecimalFormatSymbols.getInstance(Locale.ROOT), dfs); 30 } 31 public void test_getInstance_unknown_or_invalid_locale() throws Exception { 32 // TODO: we fail these tests because ROOT has "INF" for infinity but 'dfs' has "\u221e". 33 // On the RI, ROOT has "\u221e" too, but DecimalFormatSymbols.equals appears to be broken; 34 // it returns false for objects that -- if you compare their externally visible state -- 35 // are equal. It could be that they're accidentally checking the Locale. 36 checkLocaleIsEquivalentToRoot(new Locale("xx", "XX")); 37 checkLocaleIsEquivalentToRoot(new Locale("not exist language", "not exist country")); 38 } 39 40 // http://code.google.com/p/android/issues/detail?id=14495 41 public void testSerialization() throws Exception { 42 DecimalFormatSymbols originalDfs = DecimalFormatSymbols.getInstance(Locale.GERMANY); 43 44 // Serialize... 45 ByteArrayOutputStream out = new ByteArrayOutputStream(); 46 new ObjectOutputStream(out).writeObject(originalDfs); 47 byte[] bytes = out.toByteArray(); 48 49 // Deserialize... 50 ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes)); 51 DecimalFormatSymbols deserializedDfs = (DecimalFormatSymbols) in.readObject(); 52 assertEquals(-1, in.read()); 53 54 // The two objects should claim to be equal. 55 assertEquals(originalDfs, deserializedDfs); 56 } 57} 58