1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/task1/solution04/test/org/apidesign/apifest08/test/Task1Test.java Sun Sep 28 14:12:38 2008 +0200
1.3 @@ -0,0 +1,118 @@
1.4 +package org.apidesign.apifest08.test;
1.5 +
1.6 +import java.math.BigDecimal;
1.7 +import java.util.Currency;
1.8 +import junit.framework.TestCase;
1.9 +import org.apidesign.apifest08.currency.Convertor;
1.10 +import org.apidesign.apifest08.currency.ConvertorFactory;
1.11 +
1.12 +/** Finish the Convertor API, and then write bodies of methods inside
1.13 + * of this class to match the given tasks. To fullfil your task, use the
1.14 + * API define in the <code>org.apidesign.apifest08.currency</code> package.
1.15 + * Do not you reflection, or other hacks as your code
1.16 + * shall run without any runtime permissions.
1.17 + */
1.18 +public class Task1Test extends TestCase {
1.19 + public Task1Test(String testName) {
1.20 + super(testName);
1.21 + }
1.22 +
1.23 + @Override
1.24 + protected void setUp() throws Exception {
1.25 + }
1.26 +
1.27 + @Override
1.28 + protected void tearDown() throws Exception {
1.29 + }
1.30 +
1.31 + /** Create convertor that understands two currencies, CZK and
1.32 + * USD. Make 1 USD == 17 CZK.
1.33 + *
1.34 + * Creation of the convertor shall not require subclassing of any class
1.35 + * or interface on the client side.
1.36 + *
1.37 + * @return prepared convertor ready for converting USD to CZK and CZK to USD
1.38 + */
1.39 + public static Convertor createCZKtoUSD()
1.40 + {
1.41 + return (ConvertorFactory.getConvertor("CZK", "USD"));
1.42 + }
1.43 +
1.44 + /** Create convertor that understands two currencies, CZK and
1.45 + * SKK. Make 100 SKK == 80 CZK.
1.46 + *
1.47 + * Creation of the convertor shall not require subclassing of any class
1.48 + * or interface on the client side.
1.49 + *
1.50 + * @return prepared convertor ready for converting SKK to CZK and CZK to SKK
1.51 + */
1.52 + public static Convertor createSKKtoCZK()
1.53 + {
1.54 + return (ConvertorFactory.getConvertor(Currency.getInstance("SKK"), Currency.getInstance("CZK")));
1.55 + }
1.56 +
1.57 + public static Convertor createUSDtoUSD()
1.58 + {
1.59 + return (ConvertorFactory.getConvertor(Currency.getInstance("USD"), Currency.getInstance("USD")));
1.60 + }
1.61 +
1.62 + /** Use the convertor from <code>createCZKtoUSD</code> method and do few conversions
1.63 + * with it.
1.64 + */
1.65 + public void testCurrencyCZKUSD() throws Exception {
1.66 + Convertor c = createCZKtoUSD();
1.67 + BigDecimal result;
1.68 +
1.69 + // convert $5 to CZK using c:
1.70 + // assertEquals("Result is 85 CZK");
1.71 + result = c.convertFrom(BigDecimal.valueOf(5));
1.72 + assertEquals(new BigDecimal("85.00"), result);
1.73 +
1.74 + // convert $8 to CZK
1.75 + // assertEquals("Result is 136 CZK");
1.76 + result = c.convertFrom(BigDecimal.valueOf(8));
1.77 + assertEquals(new BigDecimal("136.00"), result);
1.78 +
1.79 + // convert 1003CZK to USD
1.80 + // assertEquals("Result is 59 USD");
1.81 + result = c.convertTo(BigDecimal.valueOf(1003));
1.82 + assertEquals(new BigDecimal("59.00"), result);
1.83 + }
1.84 +
1.85 + /** Use the convertor from <code>createSKKtoCZK</code> method and do few conversions
1.86 + * with it.
1.87 + */
1.88 + public void testCurrencySKKCZK() throws Exception {
1.89 + Convertor c = createSKKtoCZK();
1.90 + BigDecimal result;
1.91 +
1.92 + // convert 16CZK using c:
1.93 + // assertEquals("Result is 20 SKK");
1.94 + result = c.convertFrom(BigDecimal.valueOf(16));
1.95 + assertEquals(new BigDecimal("20.00"), result);
1.96 +
1.97 + // convert 500SKK to CZK
1.98 + // assertEquals("Result is 400 CZK");
1.99 + result = c.convertTo(BigDecimal.valueOf(500));
1.100 + assertEquals(new BigDecimal("400.00"), result);
1.101 + }
1.102 +
1.103 + /** Use the convertor from <code>createSKKtoCZK</code> method and do few conversions
1.104 + * with it.
1.105 + */
1.106 + public void testCurrencyUSDUSD() throws Exception {
1.107 + Convertor c = createUSDtoUSD();
1.108 + BigDecimal result;
1.109 +
1.110 + // convert 1USD using c:
1.111 + // assertEquals("Result is 1 USD");
1.112 + result = c.convertFrom(BigDecimal.valueOf(1));
1.113 + assertEquals(new BigDecimal("1.00"), result);
1.114 +
1.115 + // convert 500USD to USD
1.116 + // assertEquals("Result is 500 USD");
1.117 + result = c.convertTo(BigDecimal.valueOf(500));
1.118 + assertEquals(new BigDecimal("500.00"), result);
1.119 + }
1.120 +}
1.121 +