public void SetAveragePrice_Called_ShouldSetAveragePrice()
{
//Act
DefaultComponent.WithAveragePrice(ComponentPrice);
Assert.That(DefaultComponent.AveragePrice, Is.EqualTo(ComponentPrice));
}
public void SetAveragePrice_NegativeValue_ShouldThrowArgumentOutOfRangeException()
{
Assert.That(() => DefaultComponent.WithAveragePrice(-15m), Throws.InstanceOf <ArgumentOutOfRangeException>());
}