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package org.mai.dep810.cer;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import java.math.BigDecimal;
import java.util.Currency;

import static org.junit.Assert.*;


public class CurrencyExchangeRateTest {
    @Before
    public void setUp() throws Exception {
    }

    @After
    public void tearDown() throws Exception {
    }

    @Test(expected = IncorrectExchangeRateException.class)
    public void convertTest() throws Exception {
        Currency usd = Currency.getInstance("USD");
        Currency gbp = Currency.getInstance("GBP");
        Currency eur = Currency.getInstance("EUR");

        Money hundredDollars = new Money(usd, new BigDecimal(100));
        Money hundredEurs = new Money(eur, new BigDecimal(100));

        CurrencyExchangeRate usdToPound = new CurrencyExchangeRate(new BigDecimal(0.75), usd, gbp);

        Money usdConvertedToPounds = usdToPound.convert(hundredDollars);

        assertEquals(usdConvertedToPounds.getCurrency(), gbp);
        assertEquals(usdConvertedToPounds.getAmount(), new BigDecimal(75).setScale(2));

        Money eurCoverted = usdToPound.convert(hundredEurs);
    }

}