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

import java.util.HashMap;

public class CurrencyConverterTest {
    CurrencyConverter cc = new CurrencyConverter();

    @Test
    public void dollarToEuro() {
        double result = cc.convertTo("USD", "EUR", 2);
        assertEquals(result, 1.88, 0.02);
    }

    @Test
    public void euroToDollar() {
        double result = cc.convertTo("EUR", "USD", 2);
        assertEquals(result, 2.12, 0.02);
    }

    @Test
    public void euroToPound() {
        double result = cc.convertTo("EUR", "GBP", 2);
        assertEquals(result, 1.74, 0.02);
    }

    @Test
    public void poundToRupee() {
        double result = cc.convertTo("GBP", "INR", 2);
        assertEquals(result, 166.63, 0.02);
    }

    @Test
    public void rupeeToKanadia() {
        double result = cc.convertTo("INR", "CAN", 2);
        assertEquals(result, 180.36, 0.02);
    }

    @Test
    public void kanadiaToSingapore() {
        double result = cc.convertTo("CAN", "SGD", 2);
        assertEquals(result, 3.77, 0.02);
    }

    @Test
    public void singaporeToFranc() {
        double result = cc.convertTo("SGD", "CHF", 2);
        assertEquals(result, 2.88, 0.02);
    }

    @Test
    public void francToMeley() {
        double result = cc.convertTo("CHF", "MYR", 2);
        assertEquals(result, 2.04, 0.02);
    }

    @Test
    public void meleyToYen() {
        double result = cc.convertTo("MYR", "YEN", 2);
        assertEquals(result, 2.04, 0.02);
    }

    @Test
    public void yenToChina() {
        double result = cc.convertTo("YEN", "CNY", 2);
        assertEquals(result, 13.97, 0.02);
    }
}