public void MutationObserverDisconnectShouldNotAffectOtherObservers()
{
var document = Html("");
var div = document.CreateElement("div");
var observer1 = new MutationObserver((obs, mut) => { });
observer1.Connect(div, new MutationObserverInit
{
IsObservingAttributes = true,
});
var observer2 = new MutationObserver((obs, mut) => { });
observer2.Connect(div, new MutationObserverInit
{
IsObservingAttributes = true,
});
div.SetAttribute("a", "A");
observer1.Disconnect();
var records1 = observer1.Flush().ToArray();
Assert.AreEqual(records1.Count(), 0);
var records2 = observer2.Flush().ToArray();
Assert.AreEqual(records2.Count(), 1);
AssertRecord(records2[0], new TestMutationRecord
{
Type = "attributes",
Target = div,
AttributeName = "a"
});
div.SetAttribute("b", "B");
records1 = observer1.Flush().ToArray();
Assert.AreEqual(records1.Count(), 0);
records2 = observer2.Flush().ToArray();
Assert.AreEqual(records2.Count(), 1);
AssertRecord(records2[0], new TestMutationRecord
{
Type = "attributes",
Target = div,
AttributeName = "b"
});
}
public void MutationObserverDisconnectShouldStopAllEventsAndEmptyTheRecords()
{
var document = Html("");
var div = document.CreateElement("div");
var observer = new MutationObserver((obs, mut) => { });
observer.Connect(div, new MutationObserverInit
{
IsObservingAttributes = true,
});
div.SetAttribute("a", "A");
observer.Disconnect();
var records = observer.Flush().ToArray();
Assert.AreEqual(records.Count(), 0);
div.SetAttribute("b", "B");
records = observer.Flush().ToArray();
Assert.AreEqual(records.Count(), 0);
}
