public void IndexOfTest()
{
var v1 = (NSString)"1";
var v2 = (NSString)"2";
using (var arr = new NSMutableArray <NSString> (v1)) {
Assert.Throws <ArgumentNullException> (() => arr.IndexOf(null), "IndexOf ANE");
Assert.AreEqual(0, arr.IndexOf(v1), "IndexOf 1");
Assert.AreEqual(nint.MaxValue, arr.IndexOf(v2), "IndxOf 2"); // [NSArray indexOfObject:] returns NSNotFound = NSIntegerMax when object isn't found in the array
}
}
public void Unsubscribe(string topic)
{
if (!connected)
{
pendingTopics.Enqueue(new Tuple <string, bool>(topic, false));
return;
}
var deletedKey = new NSString($"{topic}");
if (currentTopics.Contains(deletedKey))
{
Messaging.SharedInstance.Unsubscribe($"/topics/{topic}");
nint idx = (nint)currentTopics.IndexOf(deletedKey);
if (idx != -1)
{
currentTopics.RemoveObject(idx);
}
}
NSUserDefaults.StandardUserDefaults.SetValueForKey(currentTopics, FirebaseTopicsKey);
NSUserDefaults.StandardUserDefaults.Synchronize();
}