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 package org.apidesign.apifest08.test;

 import java.math.BigDecimal;

 import java.text.SimpleDateFormat;

 import junit.framework.TestCase;

 import org.apidesign.apifest08.currency.ConversionResult;

 import org.apidesign.apifest08.currency.Convertor;

 import org.apidesign.apifest08.currency.ConvertorCurrency;

 import org.apidesign.apifest08.currency.ExchangeRateProvider;

 /**

  *

  * @author arnostvalicek

  */

 public class RemainderTest extends TestCase {

     private static ConvertorCurrency CZK = ConvertorCurrency.getInstance("CZK");

     private static ConvertorCurrency SKK = ConvertorCurrency.getInstance("SKK");

     private static ConvertorCurrency USD = ConvertorCurrency.getInstance("USD");

     private SimpleDateFormat df;

     @Override

     protected void setUp() throws Exception {

         super.setUp();

         df = new SimpleDateFormat("yyyy-MM-dd HH:mm zzzz");

     }

     @Override

     protected void tearDown() throws Exception {

         super.tearDown();

     }

     public void testRemainder1() {

         Convertor c = Task2Test.createUsdToSkkConvertor();

         {

             final BigDecimal convertedValue = new BigDecimal("12.34");

             ConversionResult result = c.convertWithReversibleRates(SKK,USD,convertedValue);

             //System.out.println("Result = "+result);

             assertEquals("Converted", new BigDecimal("0.61"),result.getConverted());

             assertEquals("Remainder", new BigDecimal("0.14"),result.getRemainder());

             ConversionResult resultBack = c.convertWithReversibleRates(USD, SKK, result.getConverted());

             assertEquals("Conversion back", convertedValue, resultBack.getConverted().add(result.getRemainder()));

         }

         {

             ConversionResult result = c.convertWithReversibleRates(SKK,USD,new BigDecimal("20.00"));

             //System.out.println("Result = "+result);

         }

         {

             ConversionResult result = c.convertWithReversibleRates(USD,SKK,new BigDecimal("1.00"));

             //System.out.println("Result = "+result);

         }

     }

     public void testRemainderStripCents() {

         ConvertorCurrency CZK_cents=ConvertorCurrency.getInstance("CZK", 2);

         ConvertorCurrency CZK_nocents=ConvertorCurrency.getInstance("CZK", 0);

         ExchangeRateProvider exchangeRateProvider = ExchangeRateProvider.createExchangeRateProvider();

         exchangeRateProvider.addFixedCurencyRate(CZK_cents, new BigDecimal(1), CZK_nocents, new BigDecimal(1));

         Convertor c = Convertor.createConvertor(exchangeRateProvider);

         ConversionResult result = c.convertWithReversibleRates(CZK_cents, CZK_nocents, new BigDecimal("2.34"));

         assertEquals("Converted",new BigDecimal("2"),result.getConverted());

         assertEquals("Remainder",new BigDecimal("0.34"),result.getRemainder());

     }

 }