public void Add_SomeValidValues_SumOfValues(int[] input, int expected)
{
// Arrange
var sut = new ArrayCalculator();
// Act
var actual = sut.Add(input);
// Assert
Assert.Equal(expected, actual);
}
public void Add_WithNullParameter_ThrowsArgumentNullException()
{
// Arrange
var sut = new ArrayCalculator();
// Act
var ex = Record.Exception(() => sut.Add(null));
// Assert
Assert.NotNull(ex);
Assert.IsType <ArgumentNullException>(ex);
}
public void Add_WithMaxIntPlus1_ThrowsOverflowException()
{
// Arrange
var sut = new ArrayCalculator();
int[] input = { int.MaxValue, 1 };
// Act
Action act = () => sut.Add(input);
// Assert
Assert.Throws <OverflowException>(() => act());
}