J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | /* |
| 24 | * @test |
| 25 | * @bug 4290801 4692419 4693631 5101540 5104960 6296410 6336600 6371531 |
| 26 | * 6488442 |
| 27 | * @summary Basic tests for Currency class. |
| 28 | */ |
| 29 | |
| 30 | import java.io.ByteArrayInputStream; |
| 31 | import java.io.ByteArrayOutputStream; |
| 32 | import java.io.ObjectInputStream; |
| 33 | import java.io.ObjectOutputStream; |
| 34 | import java.util.Calendar; |
| 35 | import java.util.Date; |
| 36 | import java.util.Currency; |
| 37 | import java.util.GregorianCalendar; |
| 38 | import java.util.Locale; |
| 39 | import java.util.TimeZone; |
| 40 | |
| 41 | |
| 42 | public class CurrencyTest { |
| 43 | |
| 44 | public static void main(String[] args) throws Exception { |
| 45 | CheckDataVersion.check(); |
| 46 | testCurrencyCodeValidation(); |
| 47 | testLocaleMapping(); |
| 48 | testSymbols(); |
| 49 | testFractionDigits(); |
| 50 | testSerialization(); |
| 51 | testDisplayNames(); |
| 52 | } |
| 53 | |
| 54 | static void testCurrencyCodeValidation() { |
| 55 | // test creation of some valid currencies |
| 56 | testValidCurrency("USD"); |
| 57 | testValidCurrency("EUR"); |
| 58 | testValidCurrency("GBP"); |
| 59 | testValidCurrency("JPY"); |
| 60 | testValidCurrency("CNY"); |
| 61 | testValidCurrency("CHF"); |
| 62 | |
| 63 | // test creation of some fictitious currencies |
| 64 | testInvalidCurrency("AQD"); |
| 65 | testInvalidCurrency("US$"); |
| 66 | testInvalidCurrency("\u20AC"); |
| 67 | } |
| 68 | |
| 69 | static void testValidCurrency(String currencyCode) { |
| 70 | Currency currency1 = Currency.getInstance(currencyCode); |
| 71 | Currency currency2 = Currency.getInstance(currencyCode); |
| 72 | if (currency1 != currency2) { |
| 73 | throw new RuntimeException("Didn't get same instance for same currency code"); |
| 74 | } |
| 75 | if (!currency1.getCurrencyCode().equals(currencyCode)) { |
| 76 | throw new RuntimeException("Currency code changed"); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | static void testInvalidCurrency(String currencyCode) { |
| 81 | boolean gotException = false; |
| 82 | try { |
| 83 | Currency currency = Currency.getInstance(currencyCode); |
| 84 | } catch (IllegalArgumentException e) { |
| 85 | gotException = true; |
| 86 | } |
| 87 | if (!gotException) { |
| 88 | throw new RuntimeException("didn't get specified exception"); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | static void testLocaleMapping() { |
| 93 | // very basic test: most countries have their own currency, and then |
| 94 | // their currency code is an extension of their country code. |
| 95 | Locale[] locales = Locale.getAvailableLocales(); |
| 96 | int goodCountries = 0; |
| 97 | int ownCurrencies = 0; |
| 98 | for (int i = 0; i < locales.length; i++) { |
| 99 | Locale locale = locales[i]; |
| 100 | if (locale.getCountry().length() == 0) { |
| 101 | boolean gotException = false; |
| 102 | try { |
| 103 | Currency.getInstance(locale); |
| 104 | } catch (IllegalArgumentException e) { |
| 105 | gotException = true; |
| 106 | } |
| 107 | if (!gotException) { |
| 108 | throw new RuntimeException("didn't get specified exception"); |
| 109 | } |
| 110 | } else { |
| 111 | goodCountries++; |
| 112 | Currency currency = Currency.getInstance(locale); |
| 113 | if (currency.getCurrencyCode().indexOf(locale.getCountry()) == 0) { |
| 114 | ownCurrencies++; |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | System.out.println("Countries tested: " + goodCountries + |
| 119 | ", own currencies: " + ownCurrencies); |
| 120 | if (ownCurrencies < (goodCountries / 2 + 1)) { |
| 121 | throw new RuntimeException("suspicious: not enough countries have their own currency."); |
| 122 | } |
| 123 | |
| 124 | // check a few countries that don't change their currencies too often |
| 125 | String[] country1 = {"US", "CA", "JP", "CN", "SG", "CH"}; |
| 126 | String[] currency1 = {"USD", "CAD", "JPY", "CNY", "SGD", "CHF"}; |
| 127 | for (int i = 0; i < country1.length; i++) { |
| 128 | checkCountryCurrency(country1[i], currency1[i]); |
| 129 | } |
| 130 | |
| 131 | // check currency changes |
| 132 | String[] switchOverCtry = {"DE", "FR", "ES", "IT", "NL", "BE", "TR", "RO", "AZ", "MZ", "GH", "VE"}; |
| 133 | String[] switchOverOld = {"DEM", "FRF", "ESP", "ITL", "NLG", "BEF", "TRL", "ROL", "AZM", "MZM", "GHC", "VEB"}; |
| 134 | String[] switchOverNew = {"EUR", "EUR", "EUR", "EUR", "EUR", "EUR", "TRY", "RON", "AZN", "MZN", "GHS", "VEF"}; |
| 135 | String[] switchOverTZ = {"Europe/Paris", "Europe/Paris", "Europe/Paris", "Europe/Paris", |
| 136 | "Europe/Paris", "Europe/Paris", "Asia/Istanbul", "Europe/Bucharest", |
| 137 | "Asia/Baku", "Africa/Maputo", "Africa/Accra", "America/Caracas"}; |
| 138 | int[] switchOverYear = {2002, 2002, 2002, 2002, 2002, 2002, 2005, 2005, 2006, 2006, 2007, 2008}; |
| 139 | int[] switchOverMonth = {Calendar.JANUARY, Calendar.JANUARY, Calendar.JANUARY, Calendar.JANUARY, |
| 140 | Calendar.JANUARY, Calendar.JANUARY, Calendar.JANUARY, Calendar.JULY, |
| 141 | Calendar.JANUARY, Calendar.JULY, Calendar.JULY, Calendar.JANUARY}; |
| 142 | int[] switchOverDay = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}; |
| 143 | for (int i = 0; i < switchOverCtry.length; i++) { |
| 144 | TimeZone.setDefault(TimeZone.getTimeZone(switchOverTZ[i])); |
| 145 | Calendar date = new GregorianCalendar(switchOverYear[i], switchOverMonth[i], switchOverDay[i]); |
| 146 | long switchOver = date.getTime().getTime(); |
| 147 | boolean switchedOver = System.currentTimeMillis() >= switchOver; |
| 148 | checkCountryCurrency(switchOverCtry[i], switchedOver ? switchOverNew[i] : switchOverOld[i]); |
| 149 | } |
| 150 | |
| 151 | // check a country code which doesn't have a currency |
| 152 | checkCountryCurrency("AQ", null); |
| 153 | |
| 154 | // check an invalid country code |
| 155 | boolean gotException = false; |
| 156 | try { |
| 157 | Currency.getInstance(new Locale("", "EU")); |
| 158 | } catch (IllegalArgumentException e) { |
| 159 | gotException = true; |
| 160 | } |
| 161 | if (!gotException) { |
| 162 | throw new RuntimeException("didn't get specified exception."); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | static void checkCountryCurrency(String countryCode, String expected) { |
| 167 | Locale locale = new Locale("", countryCode); |
| 168 | Currency currency = Currency.getInstance(locale); |
| 169 | String code = (currency != null) ? currency.getCurrencyCode() : null; |
| 170 | if (!(expected == null ? code == null : expected.equals(code))) { |
| 171 | throw new RuntimeException("Wrong currency for " + |
| 172 | locale.getDisplayCountry() + |
| 173 | ": expected " + expected + ", got " + code); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | static void testSymbols() { |
| 178 | testSymbol("USD", Locale.US, "$"); |
| 179 | testSymbol("EUR", Locale.GERMANY, "\u20AC"); |
| 180 | testSymbol("USD", Locale.PRC, "USD"); |
| 181 | } |
| 182 | |
| 183 | static void testSymbol(String currencyCode, Locale locale, String expectedSymbol) { |
| 184 | String symbol = Currency.getInstance(currencyCode).getSymbol(locale); |
| 185 | if (!symbol.equals(expectedSymbol)) { |
| 186 | throw new RuntimeException("Wrong symbol for currency " + |
| 187 | currencyCode +": expected " + expectedSymbol + |
| 188 | ", got " + symbol); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | static void testFractionDigits() { |
| 193 | testFractionDigits("USD", 2); |
| 194 | testFractionDigits("EUR", 2); |
| 195 | testFractionDigits("JPY", 0); |
| 196 | testFractionDigits("XDR", -1); |
| 197 | |
| 198 | testFractionDigits("BHD", 3); |
| 199 | testFractionDigits("IQD", 3); |
| 200 | testFractionDigits("JOD", 3); |
| 201 | testFractionDigits("KWD", 3); |
| 202 | testFractionDigits("LYD", 3); |
| 203 | testFractionDigits("OMR", 3); |
| 204 | testFractionDigits("TND", 3); |
| 205 | |
| 206 | // Turkish Lira |
| 207 | testFractionDigits("TRL", 0); |
| 208 | testFractionDigits("TRY", 2); |
| 209 | } |
| 210 | |
| 211 | static void testFractionDigits(String currencyCode, int expectedFractionDigits) { |
| 212 | int digits = Currency.getInstance(currencyCode).getDefaultFractionDigits(); |
| 213 | if (digits != expectedFractionDigits) { |
| 214 | throw new RuntimeException("Wrong number of fraction digits for currency " + |
| 215 | currencyCode +": expected " + expectedFractionDigits + |
| 216 | ", got " + digits); |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | static void testSerialization() throws Exception { |
| 221 | Currency currency1 = Currency.getInstance("DEM"); |
| 222 | |
| 223 | ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| 224 | ObjectOutputStream oStream = new ObjectOutputStream(baos); |
| 225 | oStream.writeObject(currency1); |
| 226 | oStream.flush(); |
| 227 | byte[] bytes = baos.toByteArray(); |
| 228 | |
| 229 | ByteArrayInputStream bais = new ByteArrayInputStream(bytes); |
| 230 | ObjectInputStream iStream = new ObjectInputStream(bais); |
| 231 | Currency currency2 = (Currency) iStream.readObject(); |
| 232 | |
| 233 | if (currency1 != currency2) { |
| 234 | throw new RuntimeException("serialization breaks class invariant"); |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | static void testDisplayNames() { |
| 239 | // null argument test |
| 240 | try { |
| 241 | testDisplayName("USD", null, ""); |
| 242 | throw new RuntimeException("getDisplayName(NULL) did not throw an NPE."); |
| 243 | } catch (NullPointerException npe) {} |
| 244 | |
| 245 | testDisplayName("USD", Locale.ENGLISH, "US Dollar"); |
| 246 | testDisplayName("FRF", Locale.FRENCH, "franc fran\u00e7ais"); |
| 247 | testDisplayName("DEM", Locale.GERMAN, "Deutsche Mark"); |
| 248 | testDisplayName("ESP", new Locale("es"), "peseta espa\u00f1ola"); |
| 249 | testDisplayName("ITL", new Locale("it"), "Lira Italiana"); |
| 250 | testDisplayName("JPY", Locale.JAPANESE, "\u65e5\u672c\u5186"); |
| 251 | testDisplayName("KRW", Locale.KOREAN, "\ub300\ud55c\ubbfc\uad6d \uc6d0"); |
| 252 | testDisplayName("SEK", new Locale("sv"), "Svensk krona"); |
| 253 | testDisplayName("CNY", Locale.SIMPLIFIED_CHINESE, "\u4eba\u6c11\u5e01"); |
| 254 | testDisplayName("TWD", Locale.TRADITIONAL_CHINESE, "\u65b0\u81fa\u5e63"); |
| 255 | } |
| 256 | |
| 257 | static void testDisplayName(String currencyCode, Locale locale, String expectedName) { |
| 258 | String name = Currency.getInstance(currencyCode).getDisplayName(locale); |
| 259 | if (!name.equals(expectedName)) { |
| 260 | throw new RuntimeException("Wrong display name for currency " + |
| 261 | currencyCode +": expected '" + expectedName + |
| 262 | "', got '" + name + "'"); |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | } |