1.1 --- a/task3/solution13/test/org/apidesign/apifest08/test/Task3Test.java	Tue Oct 07 11:19:36 2008 +0200
     1.2 +++ b/task3/solution13/test/org/apidesign/apifest08/test/Task3Test.java	Fri Oct 10 22:24:52 2008 +0200
     1.3 @@ -1,7 +1,11 @@
     1.4  package org.apidesign.apifest08.test;
     1.5  
     1.6 +import java.math.BigDecimal;
     1.7  import junit.framework.TestCase;
     1.8  import org.apidesign.apifest08.currency.Convertor;
     1.9 +import org.apidesign.apifest08.currency.ConvertorCurrency;
    1.10 +import org.apidesign.apifest08.currency.ExchangeRateProvider;
    1.11 +import org.apidesign.apifest08.currency.IExchangeRateEngine;
    1.12  
    1.13  /** The exchange rates are not always the same. They are changing. Day by day,
    1.14   * hour by hour, minute by minute. For every bank it is important to always
    1.15 @@ -16,6 +20,11 @@
    1.16   * to be used.
    1.17   */
    1.18  public class Task3Test extends TestCase {
    1.19 +    
    1.20 +    private static ConvertorCurrency currencyCZK = ConvertorCurrency.getInstance("CZK");
    1.21 +    private static ConvertorCurrency currencySKK = ConvertorCurrency.getInstance("SKK");
    1.22 +    private static ConvertorCurrency currencyUSD = ConvertorCurrency.getInstance("USD");
    1.23 +    
    1.24      public Task3Test(String testName) {
    1.25          super(testName);
    1.26      }
    1.27 @@ -51,7 +60,14 @@
    1.28          // then 1USD = 15.02CZK
    1.29          // and so on and on up to 1USD = 16CZK
    1.30          // and then another round to 15, etc.
    1.31 -        return null;
    1.32 +        IExchangeRateEngine engine = BouncingExchangeRateEngine.create(
    1.33 +                currencyUSD,  new BigDecimal(1),
    1.34 +                currencyCZK, 
    1.35 +                new BigDecimal(16),new BigDecimal(15),
    1.36 +                new BigDecimal("-0.01"));
    1.37 +        ExchangeRateProvider exRateProvider = ExchangeRateProvider.createExchangeRateProvider(engine);
    1.38 +        Convertor convertor = Convertor.createConvertor(exRateProvider);
    1.39 +        return convertor;
    1.40      }
    1.41  
    1.42      public void testFewQueriesForOnlineConvertor() {
    1.43 @@ -66,18 +82,18 @@
    1.44  
    1.45      static void doFewQueriesForOnlineConvertor(Convertor c) {
    1.46          // convert $5 to CZK using c:
    1.47 -        //assertEquals("Result is 80 CZK");
    1.48 +        assertEquals("Result is 80 CZK", new BigDecimal("80.00"), c.convertWithReversibleRates(currencyUSD, currencyCZK, new BigDecimal(5)).getConverted());
    1.49  
    1.50          // convert $8 to CZK using c:
    1.51 -        //assertEquals("Result is 127.92 CZK");
    1.52 +        assertEquals("Result is 127.92 CZK", new BigDecimal("127.92"), c.convertWithReversibleRates(currencyUSD, currencyCZK, new BigDecimal(8)).getConverted());
    1.53  
    1.54          // convert $1 to CZK using c:
    1.55 -        //assertEquals("Result is 15.98 CZK");
    1.56 +        assertEquals("Result is 15.98 CZK", new BigDecimal("15.98"), c.convertWithReversibleRates(currencyUSD, currencyCZK, new BigDecimal(1)).getConverted());
    1.57  
    1.58          // convert 15.97CZK to USD using c:
    1.59 -        //assertEquals("Result is 1$");
    1.60 +        assertEquals("Result is 15.98 CZK", new BigDecimal("1.00"), c.convertWithReversibleRates(currencyCZK, currencyUSD , new BigDecimal("15.97")).getConverted());
    1.61  
    1.62 -        fail("Implement me!");
    1.63 +        //fail("Implement me!");
    1.64      }
    1.65  
    1.66      /** Join the convertors and show they behave sane.
    1.67 @@ -94,11 +110,25 @@
    1.68          );
    1.69  
    1.70          // convert 16CZK to SKK using c:
    1.71 -        // assertEquals("Result is 20 SKK");
    1.72 +        assertEquals("Result is 20 CZK", new BigDecimal("20.00"), c.convertWithReversibleRates(currencyCZK, currencySKK , new BigDecimal("16")).getConverted());
    1.73  
    1.74          // convert 500SKK to CZK using c:
    1.75 -        // assertEquals("Result is 400 CZK");
    1.76 +        assertEquals("Result is 400 CZK", new BigDecimal("400.00"), c.convertWithReversibleRates(currencySKK, currencyCZK , new BigDecimal("500")).getConverted());
    1.77  
    1.78          doFewQueriesForOnlineConvertor(c);
    1.79      }
    1.80 +    
    1.81 +//    public void testBouncing() {
    1.82 +//        Convertor c=createOnlineCZKUSDConvertor();
    1.83 +//        
    1.84 +//        IExchangeRateEngine engine = BouncingExchangeRateEngine.create(
    1.85 +//                currencyUSD,  new BigDecimal(1),
    1.86 +//                currencyCZK, 
    1.87 +//                new BigDecimal("16.00"),new BigDecimal("15.00"),
    1.88 +//                new BigDecimal("-0.01"));        
    1.89 +//        
    1.90 +//        for (int i=0;i<300;i++) {
    1.91 +//            System.out.println(engine.getExchangeRate(currencyUSD, currencyCZK).getToValue());
    1.92 +//        }
    1.93 +//    }
    1.94  }