public void LessThen1_ThrowException(int n)
{
var fizzBuzzService = new FizzBuzzService();
var ex = Assert.Throws <ArgumentException>(() => {
fizzBuzzService.GetWord(n);
});
Assert.Contains("は1以上としてください", ex.Message);
}
public void ReturnsValidString(int n, string word)
{
var fizzBuzzService = new FizzBuzzService();
Assert.Equal(word, fizzBuzzService.GetWord(n));
}