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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Reactive.Concurrency;
using Microsoft.Reactive.Testing;
using System;
namespace ReactiveTests
{
public class MockEnumerable<T> : IEnumerable<T>
{
public readonly TestScheduler Scheduler;
public readonly List<Subscription> Subscriptions = new List<Subscription>();
IEnumerable<T> underlyingEnumerable;
public MockEnumerable(TestScheduler scheduler, IEnumerable<T> underlyingEnumerable)
{
if (scheduler == null)
throw new ArgumentNullException("scheduler");
if (underlyingEnumerable == null)
throw new ArgumentNullException("underlyingEnumerable");
this.Scheduler = scheduler;
this.underlyingEnumerable = underlyingEnumerable;
}
public IEnumerator<T> GetEnumerator()
{
return new MockEnumerator(Scheduler, Subscriptions, underlyingEnumerable.GetEnumerator());
}
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
class MockEnumerator : IEnumerator<T>
{
List<Subscription> subscriptions;
IEnumerator<T> enumerator;
TestScheduler scheduler;
int index;
bool disposed = false;
public MockEnumerator(TestScheduler scheduler, List<Subscription> subscriptions, IEnumerator<T> enumerator)
{
this.subscriptions = subscriptions;
this.enumerator = enumerator;
this.scheduler = scheduler;
index = subscriptions.Count;
subscriptions.Add(new Subscription(scheduler.Clock));
}
public T Current
{
get
{
if (disposed)
throw new ObjectDisposedException("this");
return enumerator.Current;
}
}
public void Dispose()
{
if (!disposed)
{
disposed = true;
enumerator.Dispose();
subscriptions[index] = new Subscription(subscriptions[index].Subscribe, scheduler.Clock);
}
}
object System.Collections.IEnumerator.Current
{
get { return Current; }
}
public bool MoveNext()
{
if (disposed)
throw new ObjectDisposedException("this");
return enumerator.MoveNext();
}
public void Reset()
{
if (disposed)
throw new ObjectDisposedException("this");
enumerator.Reset();
}
}
}
}
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