public void Given_Invalid_Format_Value_Should_Throw_Exception_In_AssertFormattable()
        {
            // Arrange
            IFormatter formatter = new TestedFormatter();

            // Act and Assert
            Assert.Throws <InvalidOperationException>(() => formatter.AssertFormattable(InvalidFormat));
        }
        public void Given_Valid_Format_Value_Should_Not_Throw_Exception_In_AssertFormattable(string value)
        {
            // Arrange
            IFormatter formatter = new TestedFormatter();

            // Act and Assert
            formatter.AssertFormattable(value);
        }