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 17 package libcore.java.text; 18 19 import java.io.ByteArrayInputStream; 20 import java.io.ByteArrayOutputStream; 21 import java.io.ObjectInputStream; 22 import java.io.ObjectOutputStream; 23 import java.text.DateFormatSymbols; 24 import java.text.SimpleDateFormat; 25 import java.util.Arrays; 26 import java.util.Date; 27 import java.util.HashMap; 28 import java.util.Locale; 29 import java.util.TimeZone; 30 31 public class DateFormatSymbolsTest extends junit.framework.TestCase { 32 private void assertLocaleIsEquivalentToRoot(Locale locale) { 33 DateFormatSymbols dfs = DateFormatSymbols.getInstance(locale); 34 assertEquals(DateFormatSymbols.getInstance(Locale.ROOT), dfs); 35 } 36 37 /** http://b/3056586 */ 38 public void test_getInstance_unknown_locale() throws Exception { 39 // TODO: we fail this test. on Android, the root locale uses GMT offsets as names. 40 // see the invalid locale test below. on the RI, the root locale uses English names. 41 assertLocaleIsEquivalentToRoot(new Locale("xx", "XX")); 42 } 43 44 public void test_getInstance_invalid_locale() throws Exception { 45 assertLocaleIsEquivalentToRoot(new Locale("not exist language", "not exist country")); 46 } 47 48 public void testSerialization() throws Exception { 49 // The Polish language needs stand-alone month and weekday names. 50 Locale pl = new Locale("pl"); 51 DateFormatSymbols originalDfs = new DateFormatSymbols(pl); 52 53 // Serialize... 54 ByteArrayOutputStream out = new ByteArrayOutputStream(); 55 new ObjectOutputStream(out).writeObject(originalDfs); 56 byte[] bytes = out.toByteArray(); 57 58 // Deserialize... 59 ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes)); 60 DateFormatSymbols deserializedDfs = (DateFormatSymbols) in.readObject(); 61 assertEquals(-1, in.read()); 62 63 // The two objects should claim to be equal, even though they aren't really. 64 assertEquals(originalDfs, deserializedDfs); 65 66 // The original differentiates between regular month names and stand-alone month names... 67 assertEquals("stycznia", formatDate(pl, "MMMM", originalDfs)); 68 assertEquals("stycze\u0144", formatDate(pl, "LLLL", originalDfs)); 69 70 // Whereas the deserialized object can't, because it lost the strings... 71 assertEquals("stycznia", formatDate(pl, "MMMM", deserializedDfs)); 72 assertEquals("stycznia", formatDate(pl, "LLLL", deserializedDfs)); 73 } 74 75 private String formatDate(Locale l, String fmt, DateFormatSymbols dfs) { 76 SimpleDateFormat sdf = new SimpleDateFormat(fmt, l); 77 sdf.setDateFormatSymbols(dfs); 78 sdf.setTimeZone(TimeZone.getTimeZone("UTC")); 79 return sdf.format(new Date(0)); 80 } 81 82 public void test_getZoneStrings_cloning() throws Exception { 83 // Check that corrupting our array doesn't affect other callers. 84 85 // Kill a row. 86 { 87 String[][] originalZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); 88 assertNotNull(originalZoneStrings[0]); 89 originalZoneStrings[0] = null; 90 String[][] currentZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); 91 assertNotNull(currentZoneStrings[0]); 92 } 93 94 // Kill an element. 95 { 96 String[][] originalZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); 97 assertNotNull(originalZoneStrings[0][0]); 98 originalZoneStrings[0][0] = null; 99 String[][] currentZoneStrings = DateFormatSymbols.getInstance(Locale.US).getZoneStrings(); 100 assertNotNull(currentZoneStrings[0][0]); 101 } 102 } 103 104 public void test_getZoneStrings_UTC() throws Exception { 105 HashMap<String, String[]> zoneStrings = new HashMap<String, String[]>(); 106 for (String[] row : DateFormatSymbols.getInstance(Locale.US).getZoneStrings()) { 107 zoneStrings.put(row[0], row); 108 } 109 110 assertUtc(zoneStrings.get("Etc/UCT")); 111 assertUtc(zoneStrings.get("Etc/UTC")); 112 assertUtc(zoneStrings.get("Etc/Universal")); 113 assertUtc(zoneStrings.get("Etc/Zulu")); 114 115 assertUtc(zoneStrings.get("UCT")); 116 assertUtc(zoneStrings.get("UTC")); 117 assertUtc(zoneStrings.get("Universal")); 118 assertUtc(zoneStrings.get("Zulu")); 119 } 120 private static void assertUtc(String[] row) { 121 // Element 0 is the Olson id. The short names should be "UTC". 122 // On the RI, the long names are localized. ICU doesn't have those, so we just use UTC. 123 assertEquals(Arrays.toString(row), "UTC", row[2]); 124 assertEquals(Arrays.toString(row), "UTC", row[4]); 125 } 126 } 127
