public void WeakReferenceCollection_Remove_Test1()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List <string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection <string>();
result.AddRange(list);
verify.ItemsAreEqual(new[] { "AAA", "BBB" }, result, "Two items should have been in the collection.");
verify.IsTrue(result.Remove(item2), "item 1 should have been removable");
verify.ItemsAreEqual(new[] { "AAA" }, result, "One item should have been left in the collection.");
verify.IsTrue(result.Remove(item1), "item 2 should have been removable");
verify.IsEmpty(result, "Removal failed");
verify.IsFalse(result.Remove(item1), "item was already removed");
verify.ArgumentNullException("item", () => result.Remove(null));
}
}
public void Invalidate(string cacheKey)
{
lock (SyncRoot)
{
foreach (var item in m_Cache)
{
if (item.Item1 == cacheKey)
{
m_Cache.Remove(item);
return;
}
}
}
}
public void WeakReferenceCollection_Remove_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <Foo>();
Action add = () => result.Add(new Foo());
add();
Memory.CycleGC();
var f = new Foo();
result.Add(f);
result.Add(f);
result.Remove(f);
result.Remove(f);
result.CleanUp();
verify.IsEmpty(result, "");
}
}
public void Remove_ObjectShouldGetRemoved()
{
var obj = new object();
var wrc = new WeakReferenceCollection<object>();
wrc.Add(obj);
Assert.AreEqual(1, wrc.AliveItemsToList().Count, "Should have 1 item!");
wrc.Remove(obj);
Assert.AreEqual(0, wrc.AliveItemsToList().Count, "Should have 0 item!");
}
/// <summary>
/// Remove a reference to the specified object (if there is a live reference).
/// </summary>
/// <param name="collection">The collection to remove the reference from.</param>
/// <param name="id">The id of the object to remove references to.</param>
public static void RemoveReferenceTo(this WeakReferenceCollection collection, DisposableObjectId id)
{
foreach (WeakReferenceOf <IManagedDisposableObject> weakreference in collection)
{
if (weakreference.Id.Equals(id))
{
// We expect only one reference to the object
collection.Remove(weakreference);
Debug.Assert(collection.Where(x => x.Id.Equals(id)).Count() == 0, "Expected only one reference");
break;
}
}
}
public void WeakReferenceCollection_Remove_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection <Foo>();
#pragma warning disable IDE0039 // Use local function
Action add = () => result.Add(new Foo());
#pragma warning restore IDE0039 // Use local function
add();
Memory.CycleGC();
var f = new Foo();
result.Add(f);
result.Add(f);
result.Remove(f);
result.Remove(f);
result.CleanUp();
verify.IsEmpty(result, "");
}
}
/// <summary>
/// Removes a weak event handler.
/// </summary>
/// <param name="eventHandler"></param>
public void RemoveHandler(IListener <T> eventHandler)
{
if (eventHandler == null)
{
throw new ArgumentNullException(nameof(eventHandler), $"{nameof(eventHandler)} is null.");
}
m_Targets.Remove(eventHandler);
m_Targets.CleanUp();
if (m_Listening && m_Targets.Count == 0)
{
m_Listening = false;
DetachFromEvent();
}
}
public void WeakReferenceCollection_Remove_Test2()
{
using (var verify = new Verify())
{
var result = new WeakReferenceCollection<Foo>();
Action add = () => result.Add(new Foo());
add();
Memory.CycleGC();
var f = new Foo();
result.Add(f);
result.Add(f);
result.Remove(f);
result.Remove(f);
result.CleanUp();
verify.IsEmpty(result, "");
}
}
public void WeakReferenceCollection_Remove_Test1()
{
using (var verify = new Verify())
{
string item1 = "AAA";
string item2 = "BBB";
var list = new List<string>();
list.Add(item1);
list.Add(item2);
var result = new WeakReferenceCollection<string>();
result.AddRange(list);
verify.ItemsAreEqual(new[] { "AAA", "BBB" }, result, "Two items should have been in the collection.");
verify.IsTrue(result.Remove(item2), "item 1 should have been removable");
verify.ItemsAreEqual(new[] { "AAA" }, result, "One item should have been left in the collection.");
verify.IsTrue(result.Remove(item1), "item 2 should have been removable");
verify.IsEmpty(result, "Removal failed");
verify.IsFalse(result.Remove(item1), "item was already removed");
verify.ArgumentNullException("item", () => result.Remove(null));
}
}