public void AddObjectsTest()
{
var v1 = (NSString)"1";
var v2 = (NSString)"2";
using (var st = new NSMutableSet <NSString> ()) {
Assert.Throws <ArgumentNullException> (() => st.AddObjects((NSString)null), "AddObjects ANE 1");
Assert.Throws <ArgumentNullException> (() => st.AddObjects((NSString[])null), "AddObjects ANE 2");
st.AddObjects(v1);
Assert.AreEqual((nuint)1, st.Count, "AddObjects 1 Count");
Assert.IsTrue(st.Contains(v1), "AddObjects 1 Contains");
st.RemoveAll();
st.AddObjects(v1, v1);
Assert.AreEqual((nuint)1, st.Count, "AddObjects 2 Count");
Assert.IsTrue(st.Contains(v1), "AddObjects 2 Contains");
st.RemoveAll();
st.AddObjects(v2, v1);
Assert.AreEqual((nuint)2, st.Count, "AddObjects 3 Count");
Assert.IsTrue(st.Contains(v1), "AddObjects 3 Contains a");
Assert.IsTrue(st.Contains(v2), "AddObjects 3 Contains b");
}
}
public async Task<NSSet> GetRegisteredCategoriesAsync()
{
var categories = new NSMutableSet();
List<IApnsCategoryProvider> providers;
lock (_lock)
{
providers = _providers.ToList();
}
foreach (var provider in providers.ToList())
{
categories.AddObjects((await provider.GetCategoriesAsync()).ToArray());
}
return categories;
}