1 /* GENERATED SOURCE. DO NOT MODIFY. */ 2 // 2016 and later: Unicode, Inc. and others. 3 // License & terms of use: http://www.unicode.org/copyright.html#License 4 /*************************************************************************************** 5 * 6 * Copyright (C) 1996-2010, International Business Machines 7 * Corporation and others. All Rights Reserved. 8 */ 9 10 /** 11 * Port From: JDK 1.4b1 : java.text.Format.IntlTestDateFormat 12 * Source File: java/text/format/IntlTestDateFormat.java 13 **/ 14 15 /* 16 @test 1.4 98/03/06 17 @summary test International Date Format 18 */ 19 20 package android.icu.dev.test.format; 21 22 import java.text.FieldPosition; 23 import java.text.ParseException; 24 import java.util.Date; 25 import java.util.Random; 26 27 import org.junit.Before; 28 import org.junit.Test; 29 30 import android.icu.text.DateFormat; 31 import android.icu.text.SimpleDateFormat; 32 import android.icu.util.ULocale; 33 34 public class IntlTestDateFormat extends android.icu.dev.test.TestFmwk { 35 // Values in milliseconds (== Date) 36 private static final long ONESECOND = 1000; 37 private static final long ONEMINUTE = 60 * ONESECOND; 38 private static final long ONEHOUR = 60 * ONEMINUTE; 39 private static final long ONEDAY = 24 * ONEHOUR; 40 //private static final double ONEYEAR = 365.25 * ONEDAY; // Approximate //The variable is never used 41 42 // EModes 43 //private static final byte GENERIC = 0; 44 //private static final byte TIME = GENERIC + 1; //The variable is never used 45 //private static final byte DATE = TIME + 1; //The variable is never used 46 //private static final byte DATE_TIME = DATE + 1; //The variable is never used 47 48 private DateFormat fFormat = null; 49 private static String fTestName = new String("getInstance"); 50 private static int fLimit = 3; // How many iterations it should take to reach convergence 51 private Random random; // initialized in randDouble 52 53 public IntlTestDateFormat() { 54 //Constructure 55 } 56 57 @Before 58 public void init() throws Exception { 59 fFormat = DateFormat.getInstance(); 60 } 61 62 @Test 63 public void TestULocale() { 64 localeTest(ULocale.getDefault(), "Default Locale"); 65 } 66 67 // This test does round-trip testing (format -> parse -> format -> parse -> etc.) of DateFormat. 68 private void localeTest(final ULocale locale, final String localeName) { 69 int timeStyle, dateStyle; 70 71 // For patterns including only time information and a timezone, it may take 72 // up to three iterations, since the timezone may shift as the year number 73 // is determined. For other patterns, 2 iterations should suffice. 74 fLimit = 3; 75 76 for(timeStyle = 0; timeStyle < 4; timeStyle++) { 77 fTestName = new String("Time test " + timeStyle + " (" + localeName + ")"); 78 try { 79 fFormat = DateFormat.getTimeInstance(timeStyle, locale); 80 } 81 catch(StringIndexOutOfBoundsException e) { 82 errln("FAIL: localeTest time getTimeInstance exception"); 83 throw e; 84 } 85 TestFormat(); 86 } 87 88 fLimit = 2; 89 90 for(dateStyle = 0; dateStyle < 4; dateStyle++) { 91 fTestName = new String("Date test " + dateStyle + " (" + localeName + ")"); 92 try { 93 fFormat = DateFormat.getDateInstance(dateStyle, locale); 94 } 95 catch(StringIndexOutOfBoundsException e) { 96 errln("FAIL: localeTest date getTimeInstance exception"); 97 throw e; 98 } 99 TestFormat(); 100 } 101 102 for(dateStyle = 0; dateStyle < 4; dateStyle++) { 103 for(timeStyle = 0; timeStyle < 4; timeStyle++) { 104 fTestName = new String("DateTime test " + dateStyle + "/" + timeStyle + " (" + localeName + ")"); 105 try { 106 fFormat = DateFormat.getDateTimeInstance(dateStyle, timeStyle, locale); 107 } 108 catch(StringIndexOutOfBoundsException e) { 109 errln("FAIL: localeTest date/time getDateTimeInstance exception"); 110 throw e; 111 } 112 TestFormat(); 113 } 114 } 115 } 116 117 @Test 118 public void TestFormat() { 119 if (fFormat == null) { 120 errln("FAIL: DateFormat creation failed"); 121 return; 122 } 123 // logln("TestFormat: " + fTestName); 124 Date now = new Date(); 125 tryDate(new Date(0)); 126 tryDate(new Date((long) 1278161801778.0)); 127 tryDate(now); 128 // Shift 6 months into the future, AT THE SAME TIME OF DAY. 129 // This will test the DST handling. 130 tryDate(new Date(now.getTime() + 6*30*ONEDAY)); 131 132 Date limit = new Date(now.getTime() * 10); // Arbitrary limit 133 for (int i=0; i<2; ++i) 134 // tryDate(new Date(floor(randDouble() * limit))); 135 tryDate(new Date((long) (randDouble() * limit.getTime()))); 136 } 137 138 private void describeTest() { 139 if (fFormat == null) { 140 errln("FAIL: no DateFormat"); 141 return; 142 } 143 144 // Assume it's a SimpleDateFormat and get some info 145 SimpleDateFormat s = (SimpleDateFormat) fFormat; 146 logln(fTestName + " Pattern " + s.toPattern()); 147 } 148 149 private void tryDate(Date theDate) { 150 final int DEPTH = 10; 151 Date[] date = new Date[DEPTH]; 152 StringBuffer[] string = new StringBuffer[DEPTH]; 153 154 int dateMatch = 0; 155 int stringMatch = 0; 156 boolean dump = false; 157 int i; 158 for (i=0; i<DEPTH; ++i) string[i] = new StringBuffer(); 159 for (i=0; i<DEPTH; ++i) { 160 if (i == 0) date[i] = theDate; 161 else { 162 try { 163 date[i] = fFormat.parse(string[i-1].toString()); 164 } 165 catch (ParseException e) { 166 describeTest(); 167 errln("********** FAIL: Parse of " + string[i-1] + " failed for locale: "+fFormat.getLocale(ULocale.ACTUAL_LOCALE)); 168 dump = true; 169 break; 170 } 171 } 172 FieldPosition position = new FieldPosition(0); 173 fFormat.format(date[i], string[i], position); 174 if (i > 0) { 175 if (dateMatch == 0 && date[i] == date[i-1]) dateMatch = i; 176 else if (dateMatch > 0 && date[i] != date[i-1]) { 177 describeTest(); 178 errln("********** FAIL: Date mismatch after match."); 179 dump = true; 180 break; 181 } 182 if (stringMatch == 0 && string[i] == string[i-1]) stringMatch = i; 183 else if (stringMatch > 0 && string[i] != string[i-1]) { 184 describeTest(); 185 errln("********** FAIL: String mismatch after match."); 186 dump = true; 187 break; 188 } 189 } 190 if (dateMatch > 0 && stringMatch > 0) break; 191 } 192 if (i == DEPTH) --i; 193 194 if (stringMatch > fLimit || dateMatch > fLimit) { 195 describeTest(); 196 errln("********** FAIL: No string and/or date match within " + fLimit + " iterations."); 197 dump = true; 198 } 199 200 if (dump) { 201 for (int k=0; k<=i; ++k) { 202 logln("" + k + ": " + date[k] + " F> " + string[k] + " P> "); 203 } 204 } 205 } 206 207 // Return a random double from 0.01 to 1, inclusive 208 private double randDouble() { 209 if (random == null) { 210 random = createRandom(); 211 } 212 // Assume 8-bit (or larger) rand values. Also assume 213 // that the system rand() function is very poor, which it always is. 214 // double d; 215 // int i; 216 // do { 217 // for (i=0; i < sizeof(double); ++i) 218 // { 219 // char poke = (char*)&d; 220 // poke[i] = (rand() & 0xFF); 221 // } 222 // } while (TPlatformUtilities.isNaN(d) || TPlatformUtilities.isInfinite(d)); 223 224 // if (d < 0.0) d = -d; 225 // if (d > 0.0) 226 // { 227 // double e = floor(log10(d)); 228 // if (e < -2.0) d *= pow(10.0, -e-2); 229 // else if (e > -1.0) d /= pow(10.0, e+1); 230 // } 231 // return d; 232 return random.nextDouble(); 233 } 234 235 @Test 236 public void TestAvailableLocales() { 237 final ULocale[] locales = DateFormat.getAvailableULocales(); 238 long count = locales.length; 239 logln("" + count + " available locales"); 240 if (locales != null && count != 0) { 241 StringBuffer all = new StringBuffer(); 242 for (int i=0; i<count; ++i) { 243 if (i!=0) all.append(", "); 244 all.append(locales[i].getDisplayName()); 245 } 246 logln(all.toString()); 247 } 248 else errln("********** FAIL: Zero available locales or null array pointer"); 249 } 250 251 @Test 252 public void TestRoundtrip() { 253 ULocale[] locales; 254 if (isQuick()) { 255 locales = new ULocale[] { 256 new ULocale("bg_BG"), 257 new ULocale("fr_CA"), 258 new ULocale("zh_TW"), 259 }; 260 } else { 261 locales = DateFormat.getAvailableULocales(); 262 } 263 long count = locales.length; 264 if (locales != null && count != 0) { 265 for (int i=0; i<count; ++i) { 266 String name = locales[i].getDisplayName(); 267 logln("Testing " + name + "..."); 268 try { 269 localeTest(locales[i], name); 270 } 271 catch(Exception e) { 272 errln("FAIL: TestMonster localeTest exception" + e); 273 } 274 } 275 } 276 } 277 } 278 279 //eof 280
