public void IteratorWithoutDependenciesUnsubscribesFromAllSourceEventsWhenDisposed()
{
var sourceCollection = With.Inputs(Mike, Tom, Jack);
var contactIterator = new SimpleIterator <Contact>(sourceCollection);
Assert.IsFalse(Mike.HasPropertyChangedSubscribers);
Assert.IsFalse(Tom.HasPropertyChangedSubscribers);
Assert.IsFalse(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasCollectionChangedSubscribers);
contactIterator.GetEnumerator();
Assert.IsFalse(Mike.HasPropertyChangedSubscribers);
Assert.IsFalse(Tom.HasPropertyChangedSubscribers);
Assert.IsFalse(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasCollectionChangedSubscribers);
contactIterator.Dispose();
Assert.IsFalse(Mike.HasPropertyChangedSubscribers);
Assert.IsFalse(Tom.HasPropertyChangedSubscribers);
Assert.IsFalse(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsFalse(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsFalse(sourceCollection.HasCollectionChangedSubscribers);
}
private static void DoesNotForceLoad(ObservableCollection <Contact> contacts, Func <SimpleIterator <Contact>, object> action)
{
var sourceCollection = new SourceCollection(contacts);
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
var contactIterator = new SimpleIterator <Contact>(sourceCollection.AsBindable());
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
action(contactIterator);
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
contactIterator.Dispose();
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
}
public void IteratorWithDepenedenciesDoesNotEnumerateSourceUntilResultIsEnumerated()
{
var sourceCollection = new SourceCollection(With.Inputs(Tom, Tim, Jack));
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
var contactIterator = new SimpleIterator <Contact>(sourceCollection.AsBindable());
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
contactIterator.AcceptDependency(new ItemDependencyDefinition("Name"));
Assert.AreEqual(0, sourceCollection.GetEnumeratorCalls);
foreach (var c in contactIterator)
{
}
Assert.AreEqual(1, sourceCollection.GetEnumeratorCalls);
contactIterator.Dispose();
Assert.AreEqual(1, sourceCollection.GetEnumeratorCalls);
}
static void Main(string[] args)
{
ICustomCollection <Hero> zone1List = generateZone1();
ICustomCollection <Hero> zone2List = generateZone2();
ICustomCollection <Hero> zone3List = generateZone3();
var zone1Iterator = new SimpleIterator <Hero>(zone1List);
var zone2Iterator = new SimpleIterator <Hero>(zone2List);
var zone3Iterator = new SimpleIterator <Hero>(zone3List);
//displayCollection<Hero>(zone1Iterator, 1);
//displayCollection<Hero>(zone2Iterator, 2);
//displayCollection<Hero>(zone3Iterator, 3);
//displayPvPPairs<Hero>(zone1Iterator, 1);
//displayPvPPairs<Hero>(zone2Iterator, 2);
//displayPvPPairs<Hero>(zone3Iterator, 3);
var filterZone1Iterator = new FilterIterator <Hero>(zone1List, 'S');
displayCollection <Hero>(filterZone1Iterator, 1);
}
public void IteratorUnsubscribesFromItemWhenRemoved()
{
var sourceCollection = With.Inputs(Mike, Tom, Jack);
var contactIterator = new SimpleIterator <Contact>(sourceCollection);
Assert.IsFalse(Mike.HasPropertyChangedSubscribers);
Assert.IsFalse(Tom.HasPropertyChangedSubscribers);
Assert.IsFalse(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasCollectionChangedSubscribers);
contactIterator.AcceptDependency(new ItemDependencyDefinition("Name"));
foreach (var c in contactIterator)
{
}
Assert.IsTrue(Mike.HasPropertyChangedSubscribers);
Assert.IsTrue(Tom.HasPropertyChangedSubscribers);
Assert.IsTrue(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasCollectionChangedSubscribers);
sourceCollection.Remove(Tom);
Assert.IsTrue(Mike.HasPropertyChangedSubscribers);
Assert.IsFalse(Tom.HasPropertyChangedSubscribers);
Assert.IsTrue(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsTrue(sourceCollection.HasCollectionChangedSubscribers);
contactIterator.Dispose();
Assert.IsFalse(Mike.HasPropertyChangedSubscribers);
Assert.IsFalse(Tom.HasPropertyChangedSubscribers);
Assert.IsFalse(Jack.HasPropertyChangedSubscribers);
// TODO: Assert.IsFalse(sourceCollection.HasPropertyChangedSubscribers);
// TODO: Assert.IsFalse(sourceCollection.HasCollectionChangedSubscribers);
}
static void RunIterator()
{
// 对象的一个集合
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "Item A";
a[1] = "Item B";
a[2] = "Item C";
a[3] = "Item D";
// Create Iterator and provide aggregate
SimpleIterator i = a.CreateIterator();
Console.WriteLine("Iterating over collection:");
object item = i.First();
while (item != null)
{
Console.WriteLine(item);
item = i.Next();
}
}
