import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * The test class CurrencyConverterTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class CurrencyConverterTest
{
    @Test
    public void testUSDtoEUR(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.USD);
        
        //Actual
        double actual = converter.convert(1500.0, Currency.EUR);
        
        //Expected
        double expected = 1500.0 * (1.0/1.0) * 0.94;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testEURtoUSD(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.EUR);
        
        //Actual
        double actual = converter.convert(3200.0, Currency.USD);
        
        //Expected
        double expected = 3200.0 * (1.0/0.94) * 1.0;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testEURtoGBP(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.EUR);
        
        //Actual
        double actual = converter.convert(2700.50, Currency.GBP);
        
        //Expected
        double expected = 2700.50 * (1.0/0.94) * 0.82;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testGBPtoINR(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.GBP);
        
        //Actual
        double actual = converter.convert(326.75, Currency.INR);
        
        //Expected
        double expected = 326.75 * (1.0/0.82) * 68.32;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testINRtoCAD(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.INR);
        
        //Actual
        double actual = converter.convert(400.56, Currency.CAD);
        
        //Expected
        double expected = 400.56 * (1.0/68.32) * 1.32;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testCADtoSGD(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.CAD);
        
        //Actual
        double actual = converter.convert(1235.43, Currency.SGD);
        
        //Expected
        double expected = 1235.43 * (1.0/1.32) * 1.43;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testSGDtoCHF(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.SGD);
        
        //Actual
        double actual = converter.convert(1575.25, Currency.CHF);
        
        //Expected
        double expected = 1575.25 * (1.0/1.43) * 1.01;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testCHFtoMYR(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.CHF);
        
        //Actual
        double actual = converter.convert(1575.25, Currency.MYR);
        
        //Expected
        double expected = 1575.25 * (1.0/1.01) * 4.47;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testMYRtoJPY(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.MYR);
        
        //Actual
        double actual = converter.convert(1575.25, Currency.JPY);
        
        //Expected
        double expected = 1575.25 * (1.0/4.47) * 115.84;
        assertEquals(expected, actual, 1E-9);
    }
    
    @Test
    public void testJPYtoCNY(){
        //Given
        CurrencyConverter converter = new CurrencyConverter(Currency.JPY);
        
        //Actual
        double actual = converter.convert(1575.25, Currency.CNY);
        
        //Expected
        double expected = 1575.25 * (1.0/115.84) * 6.92;
        assertEquals(expected, actual, 1E-9);
    }
}