public void Compound_Percentages_Will_Return_The_Compounded_Result_For_Multiple_Percentages()
{
var sut = Percentage.Compounded(10.Percent(), 10.Percent(), 10.Percent());
sut.Should().Be(33.1.Percent());
}
public void Compound_Percentages_Can_Be_Negative()
{
var sut = Percentage.Compounded(10.Percent(), (-10).Percent());
sut.Should().Be((-1).Percent());
}
public void Compound_Percentages_Will_Return_The_Compounded_Result()
{
var sut = Percentage.Compounded(20.Percent(), 5.Percent());
sut.Should().Be(26.Percent());
}
public void Compounded_Percentages_Is_Not_The_Same_As_Adding_The_Percentages()
{
var sut = Percentage.Compounded(20.Percent(), 5.Percent());
sut.Should().NotBe(25.Percent());
}
public void Compounded_Percentages_When_Only_One_Percentage_Returns_The_Parameter()
{
var sut = Percentage.Compounded(20.Percent());
sut.Should().Be(20.Percent());
}
public void Compounded_Percentages_Should_Have_An_Array_Of_Percentages_Of_At_Least_One()
{
Action action = () => Percentage.Compounded(new Percentage[] { });
action.Should().Throw <ArgumentOutOfRangeException>();
}
public void Compounded_Percentages_Should_Have_An_Array_Of_Percentages()
{
Action action = () => Percentage.Compounded(null);
action.Should().Throw <ArgumentNullException>();
}
