package org.apidesign.apifest08.test;

 import static junit.framework.Assert.assertNotNull;

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

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

 import static org.junit.Assert.assertEquals;

 import static org.junit.Assert.assertTrue;

 import static org.junit.Assert.fail;

 import org.apidesign.apifest08.currency.Convertor;

 import org.apidesign.apifest08.currency.ConvertorFactory;

 import org.apidesign.apifest08.currency.MoneyImpl;

 import org.junit.Test;

 public class ConvertorFactoryTest {

 	@Test(expected=NullPointerException.class)

 	public void testNullSource()

 	{

 		ConvertorFactory.createConvertor(null, new MoneyImpl(1,USD));

 	}

 	@Test(expected=NullPointerException.class)

 	public void testNullDestination()

 	{

 		ConvertorFactory.createConvertor(new MoneyImpl(17,CZK), null);

 	}

 	@Test

 	public void testOk()

 	{

 		assertNotNull(ConvertorFactory.createConvertor(new MoneyImpl(17,CZK),  new MoneyImpl(1,USD)));

 	}

 	@Test

 	public void testOkDecimalRate()

 	{

 		Convertor c = ConvertorFactory.createConvertor(new MoneyImpl(1,CZK),  new MoneyImpl(1d/17d,USD));

 		assertNotNull(c);

 		assertEquals(new MoneyImpl(17,CZK),c.convert(new MoneyImpl(1,USD), CZK));

 	}

 	@Test

 	public void testZeroEquivalentRate()

 	{

 		try

 		{

 			ConvertorFactory.createConvertor(new MoneyImpl(1,CZK),  new MoneyImpl(0,USD));

 			fail("Exception expected");

 		}

 		catch(IllegalArgumentException e)

 		{

 			assertTrue("OK",true);

 		}

 	}

 }