public void ISBN10_ShouldReturnFalse()
{
var sut = new ISBNValidationService();
var isbn10 = "9781231234";
Assert.IsFalse(sut.IsValidISBN(isbn10));
}
public void ValidISBN_ShouldReturnTrue()
{
var sut = new ISBNValidationService();
var validISBN = "9871231234321";
Assert.IsTrue(sut.IsValidISBN(validISBN));
}
public void InvalidISBN_ShouldReturnFalse()
{
var sut = new ISBNValidationService();
var validISBN = "asdfnotanisbn";
Assert.IsFalse(sut.IsValidISBN(validISBN));
}
