package org.apidesign.apifest08.test;

 import static junit.framework.Assert.assertEquals;

 import static junit.framework.Assert.assertNotNull;

 import static org.apidesign.apifest08.test.Task1Test.CZK;

 import static org.apidesign.apifest08.test.Task1Test.USD;

 import java.util.Currency;

 import org.apidesign.apifest08.currency.ConvertorFactory;

 import org.apidesign.apifest08.currency.UnsupportedConversionException;

 import org.junit.Test;

 public class ConvertorFactoryTest {

 	@Test(expected=NullPointerException.class)

 	public void testNullSource()

 	{

 		ConvertorFactory.createConvertor(null, USD);

 	}

 	@Test(expected=NullPointerException.class)

 	public void testNullDestination()

 	{

 		ConvertorFactory.createConvertor(CZK, null);

 	}

 	@Test(expected=IllegalArgumentException.class)

 	public void testShortSource()

 	{

 		ConvertorFactory.createConvertor(Currency.getInstance("CZ"), USD);

 	}

 	@Test(expected=UnsupportedConversionException.class)

 	public void testUnknownCombination()

 	{

 		ConvertorFactory.createConvertor(CZK, Currency.getInstance("ZAR"));

 	}

 	@Test

 	public void testOk()

 	{

 		assertNotNull(ConvertorFactory.createConvertor(CZK, USD));

 	}

 	@Test

 	public void testReverted()

 	{

 		assertEquals(ConvertorFactory.createConvertor(CZK, USD).revert(), ConvertorFactory.createConvertor(USD, CZK));

 	}

 }