public void ThrowsNumberCanNotBeNegativeException_GivenNegativeInt()
{
Random random = new Random();
int randomNegativeInt = random.Next(int.MinValue, -1);
Assert.Throws <PalindromeProduct.IntParamCanNotBeNegativeException>(() => palindromeProduct.GetLargestPalindromeProduct(randomNegativeInt));
}
public void SuchThatIt_ReturnsTheCorrectAnswer()
{
const int correctAnswer = 906609;
var result = palindromeProduct.GetLargestPalindromeProduct(3);
Assert.AreEqual(correctAnswer, result);
}