public void ShouldCallPalindromeProductToCheckIfAProductIsPalindrome()
{
//When
_sut.GetLargestPalindromeFromTheProductOfTwoThreeDigitNumbers();
//Then
_palindromeProductMock.Verify(x => x.IsPalindromeProduct(It.IsAny <int>()), Times.AtLeastOnce);
}
public void ShouldGetTheLargestPalindromeMadeFromTheProductOfTwoThreeDigitNumbers()
{
//When
var result = _sut.GetLargestPalindromeFromTheProductOfTwoThreeDigitNumbers();
//Then
const int expectedResult = 906609;
Assert.Equal(expectedResult, result);
}