public void Switcher_DelegateRegistration_Success()
{
var swithcer = new DelegateSwitcher <Func <int> >();
swithcer.Register(1, () => 1);
Assert.IsNull(swithcer.Active);
Assert.AreEqual(1, swithcer[1]());
}
public void Switcher_SwitchingPredicate_Success()
{
var swithcer = new DelegateSwitcher <Func <int> >(key => !Equals(key, 3));
swithcer.RegisterAndSwitch(1, () => 1);
Assert.AreEqual(1, swithcer.Active());
swithcer.RegisterAndSwitch(2, () => 2);
Assert.AreEqual(2, swithcer.Active());
swithcer.RegisterAndSwitch(3, () => 3);
Assert.AreEqual(2, swithcer.Active());
}
public ExpressionTypeCache(string root)
{
if (root == null)
{
throw new ArgumentNullException(nameof(root));
}
_root = root;
_types = new List <Type>();
_factory = new DelegateSwitcher <Func <object> >();
_factory.RegisterAndSwitch(nameof(StateDefault), StateDefault);
_factory.Register(nameof(StateErrorMultipleTypes), StateErrorMultipleTypes);
}
public void Switcher_UnregisteredDeleagateUsage_Failure()
{
var swithcer = new DelegateSwitcher <Func <int> >();
Assert.Throws <InvalidOperationException>(() => swithcer[1]());
}
