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));

	}

}