public async void AddRemoveHandlerRegistry()
{
CreateMessageContext();
var document = DomOperationsTesting.CreateDocument();
var x = new MessageRegistry(document);
var counter = 0;
Task Handler(MessageEventArgs args)
{
counter++;
return(Task.CompletedTask);
}
x.Add("a", Handler);
await document.Head.NotifyEvent("_a");
Assert.Equal(1, counter);
x.Remove("b", Handler);
await document.Head.NotifyEvent("_a");
Assert.Equal(2, counter);
x.Remove("a", Handler);
await document.Head.NotifyEvent("_a");
Assert.Equal(2, counter);
}
public void TooManyPops()
{
var root = Element.Create("div");
var builder = new LaraBuilder(root);
builder.Push("button", "red").Pop();
DomOperationsTesting.Throws <InvalidOperationException>(() => builder.Pop());
}
public void DocumentOnMessageRuns()
{
CreateMessageContext();
var doc = DomOperationsTesting.CreateDocument();
var counter = 0;
Task Handler()
{
counter++;
return(Task.CompletedTask);
}
doc.OnMessage("a", Handler);
doc.Head.NotifyEvent("_a");
Assert.Equal(1, counter);
}
public void DocumentProcessesMessageListeners()
{
CreateMessageContext();
var doc = DomOperationsTesting.CreateDocument();
var counter = 0;
Task Handler(MessageEventArgs args)
{
counter++;
return(Task.CompletedTask);
}
doc.AddMessageListener("a", Handler);
doc.Head.NotifyEvent("_a");
Assert.Equal(1, counter);
doc.RemoveMessageListener("a", Handler);
doc.Head.NotifyEvent("_a");
Assert.Equal(1, counter);
}
public void ElementNeedsTag()
{
DomOperationsTesting.Throws <ArgumentException>(() => Element.Create(""));
}
