public void Capitalize() { ConsoleReader.Capitalize(string.Empty).Should().BeEmpty(); ConsoleReader.Capitalize("a").Should().Be("A"); ConsoleReader.Capitalize("A").Should().Be("A"); ConsoleReader.Capitalize(" a").Should().Be(" a"); ConsoleReader.Capitalize("abcd").Should().Be("Abcd"); ConsoleReader.Capitalize("ab cd").Should().Be("Ab cd"); ConsoleReader.Capitalize("AB CD").Should().Be("Ab cd"); }