| /* |
| * 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.util; |
| |
| import java.util.Currency; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| import libcore.util.SerializationTester; |
| |
| public class CurrencyTest extends junit.framework.TestCase { |
| // Regression test to ensure that Currency.getSymbol(Locale) returns the |
| // currency code if ICU doesn't have a localization of the symbol. The |
| // harmony Currency tests don't test this, and their DecimalFormat tests |
| // only test it as a side-effect, and in a way that only detected my |
| // specific mistake of returning null (returning "stinky" would have |
| // passed). |
| public void test_getSymbol_fallback() throws Exception { |
| // This assumes that AED never becomes a currency important enough to |
| // Canada that Canadians give it a localized (to Canada) symbol. |
| assertEquals("AED", Currency.getInstance("AED").getSymbol(Locale.CANADA)); |
| } |
| |
| // Regression test to ensure that Currency.getInstance(String) throws if |
| // given an invalid ISO currency code. |
| public void test_getInstance_illegal_currency_code() throws Exception { |
| Currency.getInstance("USD"); |
| try { |
| Currency.getInstance("BOGO-DOLLARS"); |
| fail("expected IllegalArgumentException for invalid ISO currency code"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| public void testGetAvailableCurrencies() throws Exception { |
| Set<Currency> all = Currency.getAvailableCurrencies(); |
| // Confirm that a few well-known stable currencies are present. |
| assertTrue(all.toString(), all.contains(Currency.getInstance("CHF"))); |
| assertTrue(all.toString(), all.contains(Currency.getInstance("EUR"))); |
| assertTrue(all.toString(), all.contains(Currency.getInstance("GBP"))); |
| assertTrue(all.toString(), all.contains(Currency.getInstance("JPY"))); |
| assertTrue(all.toString(), all.contains(Currency.getInstance("USD"))); |
| } |
| |
| public void test_getDisplayName() throws Exception { |
| assertEquals("Swiss Franc", Currency.getInstance("CHF").getDisplayName(Locale.US)); |
| assertEquals("Schweizer Franken", Currency.getInstance("CHF").getDisplayName(new Locale("de", "CH"))); |
| assertEquals("franc suisse", Currency.getInstance("CHF").getDisplayName(new Locale("fr", "CH"))); |
| assertEquals("franco svizzero", Currency.getInstance("CHF").getDisplayName(new Locale("it", "CH"))); |
| } |
| |
| public void test_getDefaultFractionDigits() throws Exception { |
| assertEquals(2, Currency.getInstance("USD").getDefaultFractionDigits()); |
| assertEquals(0, Currency.getInstance("JPY").getDefaultFractionDigits()); |
| assertEquals(-1, Currency.getInstance("XXX").getDefaultFractionDigits()); |
| } |
| |
| // http://code.google.com/p/android/issues/detail?id=38622 |
| public void test_getSymbol_38622() throws Exception { |
| // The CLDR data had the Portuguese symbol for "EUR" in pt, not in pt_PT. |
| // We weren't falling back from pt_PT to pt, so we didn't find it and would |
| // default to U+00A4 CURRENCY SIGN (¤) rather than €. |
| Locale pt_BR = new Locale("pt", "BR"); |
| Locale pt_PT = new Locale("pt", "PT"); |
| assertEquals("R$", Currency.getInstance(pt_BR).getSymbol(pt_BR)); |
| assertEquals("R$", Currency.getInstance(pt_BR).getSymbol(pt_PT)); |
| assertEquals("€", Currency.getInstance(pt_PT).getSymbol(pt_BR)); |
| assertEquals("€", Currency.getInstance(pt_PT).getSymbol(pt_PT)); |
| } |
| |
| public void test_nullLocales() { |
| Currency currency = Currency.getInstance(Locale.getDefault()); |
| try { |
| currency.getSymbol(null); |
| fail(); |
| } catch (NullPointerException expected) {} |
| } |
| |
| public void testSerialization() throws Exception { |
| Currency usd = Currency.getInstance("USD"); |
| String actual = SerializationTester.serializeHex(usd); |
| String expected = "aced0005737200126a6176612e7574696c2e43757272656e6379fdcd934a5911a91f02" + |
| "00014c000c63757272656e6379436f64657400124c6a6176612f6c616e672f537472696e673b7870" + |
| "740003555344"; |
| assertEquals(expected, actual); |
| |
| Currency deserializedUsd = (Currency) SerializationTester.deserializeHex(expected); |
| assertSame("Currency objects should be singletons", usd, deserializedUsd); |
| } |
| |
| public void test_getNumericCode() throws Exception { |
| assertEquals(840, Currency.getInstance("USD").getNumericCode()); |
| assertEquals(826, Currency.getInstance("GBP").getNumericCode()); |
| assertEquals(999, Currency.getInstance("XXX").getNumericCode()); |
| assertEquals(0, Currency.getInstance("XFU").getNumericCode()); |
| } |
| } |