public void AddingSingleNumber_ReturnsThatNumber()
{
var parser = new FakeParser();
var storage = new FakeStorage();
var calculator = new Calculator(parser, storage);
var result = calculator.Add("1");
Assert.Equal(1, result);
}
public void AddingEmptySet_ReturnsZero()
{
var parser = new FakeParser();
var storage = new FakeStorage();
var calculator = new Calculator(parser, storage);
var result = calculator.Add("");
Assert.Equal(0, result);
}