public void Correct_Results_For_Five_Item_Lists(int value0, int value1, int value2, int value3, int value4, int delta)
{
int[] values = new int[] { value0, value1, value2, value3, value4 };
int result = NumberFinder.FindDelta(values);
Assert.True(result == delta, $"Incorrect value. Actual: {result}, Expected: {delta}");
}
public void Invalid_Length_Array_Should_Throw()
{
// Empty array should throw
Assert.Throws <InvalidOperationException>(() => NumberFinder.FindDelta(new int[] {}));
// Array length of 1 should throw
Assert.Throws <InvalidOperationException>(() => NumberFinder.FindDelta(new int[] { 0 }));
// Array length of 2 should throw
Assert.Throws <InvalidOperationException>(() => NumberFinder.FindDelta(new int[] { 0, 1 }));
}
public void Null_Array_Should_Throw()
{
Assert.Throws <ArgumentNullException>(() => NumberFinder.FindDelta(null));
}
