public void CalculatePrice_WithDaysLessThenZero()
{
Heavy heavy = new Heavy();
float result = heavy.CalculatePrice(0);
Assert.AreEqual(0, result);
result = heavy.CalculatePrice(-3212);
Assert.AreEqual(0, result);
}
public void CalculatePrice_WithDaysMoreThenZero()
{
Heavy heavy = new Heavy();
float result = heavy.CalculatePrice(1);
Assert.AreEqual(160, result);
result = heavy.CalculatePrice(15);
Assert.AreEqual(1000, result);
}