public void Should_Throw_ArgumentNullExeption_If_Argument_Is_Null()
{
CalcStatsUtility csu = new CalcStatsUtility();
Action action = () => csu.ProcessElements(null);
action.Should().ThrowExactly <ArgumentNullException>();
}
public void Should_Return_Certain_Average_Value()
{
CalcStatsUtility csu = new CalcStatsUtility();
int[] elements = { -1, 2, 0, 4, 5 };
csu.ProcessElements(elements);
csu.AverageValue.Should().Be(2.0);
}
public void Should_Return_Zero_ElementsCount_If_Process_Empty_Array()
{
CalcStatsUtility csu = new CalcStatsUtility();
int[] elements = { };
csu.ProcessElements(elements);
csu.ElementsCount.Should().Be(0);
}
