public void MakeSureInputIsALetterInTheAlphabet()
{
// setup, can be any letter in alphabet
var input = char.ToUpper('d');
// Make sure method returns correct result
var generated = CheckInput.CheckChar(input);
Assert.AreEqual(input, generated);
}
public void MakeSureInvalidInputGetsChanged()
{
//setup
var input = '@';
// check for character validity
if (input >= 'a' && input <= 'z' || input >= 'A' && input <= 'Z')
{
input = '@';
}
else
{
// Any letter, just need to see the input changed from invalid character
input = 'C';
}
// generate an output for comparison
var generated = CheckInput.CheckChar(input);
Assert.AreEqual(input, generated);
}