public void Is_successfully_created_when_both_code_and_exchange_rate_are_provided()
{
Action createQuoteCurrency = () =>
QuoteCurrency.Of(CurrencyCode.Of(USD), CurrencyExchangeRate.Of(BTC_to_USD));
createQuoteCurrency.Should().NotThrow();
}
public void Requires_code()
{
Action createQuoteCurrency = () =>
QuoteCurrency.Of(null, CurrencyExchangeRate.Of(BTC_to_USD));
createQuoteCurrency.Should().ThrowExactly <ArgumentException>();
}
public static QuoteCurrency Of(CurrencyCode code, CurrencyExchangeRate exchangeRate)
{
if (code is null)
{
throw new ArgumentException(
$"{nameof(QuoteCurrency)} {nameof(code)} is required.", nameof(code));
}
if (exchangeRate is null)
{
throw new ArgumentException(
$"{nameof(QuoteCurrency)} {nameof(exchangeRate)} is required.", nameof(exchangeRate));
}
return(new QuoteCurrency(code, exchangeRate));
}
public void Is_successfully_created_from_a_non_zero_positive_value()
{
Action createCurrencyExchangeRate = () => CurrencyExchangeRate.Of(0.5M);
createCurrencyExchangeRate.Should().NotThrow();
}
public void Requires_value_higher_than_zero(decimal value)
{
Action createCurrencyExchangeRate = () => CurrencyExchangeRate.Of(value);
createCurrencyExchangeRate.Should().ThrowExactly <ArgumentException>();
}
private bool Equals(CurrencyExchangeRate other) => _value == other._value;
private QuoteCurrency(CurrencyCode code, CurrencyExchangeRate exchangeRate)
{
Code = code;
ExchangeRate = exchangeRate;
}