public void ArraySum_ReturnsSumOfArray_IfArrayValid(long[] inputArray, long sumValue)
{
var result = ArraySumFunctions.ArraySum(inputArray);
Assert.AreEqual(sumValue, result);
}
public void ArraySum_ThrowsNullException_IfArrayIsNull()
{
long[] testArray = null;
Assert.That(() => ArraySumFunctions.ArraySum(testArray), Throws.ArgumentNullException);
}
public void ArraySum_ThrowsArgumentException_IfArrayIsEmpty()
{
long[] testArray = { };
Assert.That(() => ArraySumFunctions.ArraySum(testArray), Throws.ArgumentException);
}