public void CurrencyPair_PassingNameInLowerCase_ShouldChangeNameToUpperCase()
{
string name = "usd/rub";
CurrencyPair currencyPair = new CurrencyPair(name);
Assert.That(currencyPair.Name, Is.EqualTo(name.ToUpper()));
}
public void UpdateValuesBy_PassingOtherCurrencyPairArgument_ShouldThrowArgumentException()
{
const decimal bid = 87;
const decimal ask = 89;
CurrencyPair mainCurrencyPair = new CurrencyPair("USD/RUB");
CurrencyPair sourceCurrencyPair = new CurrencyPair("EUR/RUB", bid, ask);
Assert.Throws(typeof(ArgumentException), () => mainCurrencyPair.UpdateValuesBy(sourceCurrencyPair));
}
public void UpdateValuesBy_NullArgument_ShouldNotUpdateItsFields()
{
const decimal bid = 77;
const decimal ask = 79;
CurrencyPair currencyPair = new CurrencyPair("USD/RUB", bid, ask);
currencyPair.UpdateValuesBy(null);
Assert.That(currencyPair.Bid, Is.EqualTo(bid));
Assert.That(currencyPair.Ask, Is.EqualTo(ask));
}
public void UpdateValuesBy_PassingSameCurrencyPairArgument_ShouldUpdateItsFields()
{
const decimal bid = 77;
const decimal ask = 79;
CurrencyPair mainCurrencyPair = new CurrencyPair("USD/RUB");
CurrencyPair sourceCurrencyPair = new CurrencyPair("USD/RUB", bid, ask);
mainCurrencyPair.UpdateValuesBy(sourceCurrencyPair);
Assert.That(mainCurrencyPair.Bid, Is.EqualTo(bid));
Assert.That(mainCurrencyPair.Ask, Is.EqualTo(ask));
}
// --- --- --- --- ---
#region :: ~ Methods ~ ::
public void UpdateValuesBy(CurrencyPair currencyPair)
{
if (currencyPair == null) return;
if (currencyPair.Name != this.Name)
throw new ArgumentException("CurrencyPair names does not correspond to each other");
this.Bid = currencyPair.Bid;
this.Ask = currencyPair.Ask;
}
public void UpdateValuesBy_NullArgument_DoesNotThrowAnException()
{
CurrencyPair currencyPair = new CurrencyPair("USD/RUB");
Assert.DoesNotThrow(() => currencyPair.UpdateValuesBy(null));
}
