public void Should_Throw_ArguemntNullException_If_DoAction_Is_Null()
{
// Arrange
var noneCase = new NoneCase(true);
// Act
var exception = Record.Exception(() => noneCase.DoIfNone(null));
// Assert
exception.ShouldBeOfType <ArgumentNullException>();
}
public void Should_Call_Action_If_Case_Is_None()
{
// Arrange
var noneCase = new NoneCase(true);
var called = false;
// Act
noneCase.DoIfNone(() => called = true);
// Assert
called.ShouldBeTrue();
}