public void GivenAnInvalidArray_ShouldReturnNull(int[] array)
{
// Arrange
// Act
var result = FindSecondLargestNumberService.Find(array);
// Assert
Assert.IsNull(result);
}
public void GivenAnArray_ShouldReturnExpected(int[] array, int expected)
{
// Arrange
// Act
var result = FindSecondLargestNumberService.Find(array);
// Assert
Assert.AreEqual(expected, result);
}