public void BasicComponentTest()
{
var c = new BasicComponent();
c.AddHandler <BasicEvent>(_ => { });
var e = new BasicEvent();
var x = new EventExchange(new BasicLogExchange());
Assert.Equal(0, c.Handled);
Assert.True(c.IsActive);
c.Receive(e, this);
Assert.Equal(0, c.Handled); // Handlers don't fire if component isn't attached
c.Attach(x);
c.Receive(e, this);
Assert.Equal(1, c.Handled);
c.Attach(x);
c.Attach(x);
c.Attach(x);
c.Attach(x);
c.Receive(e, this);
Assert.Equal(2, c.Handled);
c.Remove();
c.Receive(e, this);
Assert.Equal(2, c.Handled);
c.Remove();
c.Remove();
c.Receive(e, this);
Assert.Equal(2, c.Handled);
}
public void DisableHandlerTest()
{
var c = new BasicComponent();
var e = new BasicEvent();
var x = new EventExchange(new BasicLogExchange());
c.AddHandler <BasicEvent>(_ => { });
c.Attach(x);
Assert.Equal(0, c.Handled);
c.Receive(e, this);
Assert.Equal(1, c.Handled);
c.AddHandler <BasicEvent>(_ => { });
c.Receive(e, this);
Assert.Equal(2, c.Handled);
c.RemoveHandler <BasicEvent>();
c.Receive(e, this);
Assert.Equal(2, c.Handled);
c.AddHandler <BasicEvent>(_ => { });
c.Receive(e, this);
Assert.Equal(3, c.Handled);
c.AddHandler <BasicEvent>(_ => throw new InvalidOperationException()); // Registering a handler for an event that's already handled should be a no-op
c.Receive(e, this);
Assert.Equal(4, c.Handled);
}
