public void WhenValueIsNotNullOrEmpty_ThenSet()
{
var sut = new CaseToLowerCommand().SetValue("John Smith");
sut.Execute();
Assert.That(sut.Result, Is.EqualTo("john smith"));
}
public void WhenValueIsNullOrEmpty_ThenSetToValue(string value)
{
var sut = new CaseToLowerCommand().SetValue(value);
sut.Execute();
Assert.That(sut.Result, Is.EqualTo(value));
}