public void ExitingSetsIsBusyToFalseAgain()
{
var busyState = new BusyState();
busyState.Enter();
busyState.Exit();
Assert.IsFalse(busyState.IsBusy);
}
public void CanUseUsingBlock()
{
var busyState = new BusyState();
using (busyState.Enter())
{
Assert.IsTrue(busyState.IsBusy);
}
Assert.IsFalse(busyState.IsBusy);
}
public void DoesntGetItsKnickersInATwistWhenExitingTooManyTimes()
{
var busyState = new BusyState();
busyState.Exit();
busyState.Exit();
busyState.Exit();
Assert.IsFalse(busyState.IsBusy);
busyState.Enter();
Assert.IsTrue(busyState.IsBusy);
}
public void MustCallExitSameNumberOfTimesAsEnter()
{
var busyState = new BusyState();
busyState.Enter();
busyState.Enter();
busyState.Enter();
busyState.Exit();
Assert.IsTrue(busyState.IsBusy);
busyState.Exit();
Assert.IsTrue(busyState.IsBusy);
busyState.Exit();
Assert.IsFalse(busyState.IsBusy);
}
public void RaisesPropertyChangedOnIsBusyChanged()
{
var changes = new Queue<string>();
var busyState = new BusyState();
busyState.PropertyChanged += (x, e) => changes.Enqueue(e.PropertyName);
busyState.Enter();
Assert.AreEqual("IsBusy", changes.Dequeue());
busyState.Enter();
Assert.AreEqual(0, changes.Count);
busyState.Exit();
Assert.AreEqual(0, changes.Count);
busyState.Exit();
Assert.AreEqual("IsBusy", changes.Dequeue());
Assert.AreEqual(0, changes.Count);
}
/// <summary>
/// Initializes a new instance of the <see cref="BackgroundOperationCollection"/> class.
/// </summary>
/// <param name="busyState">State of the busy.</param>
/// <param name="dispatcher">The dispatcher.</param>
public BackgroundOperationCollection(BusyState busyState, IDispatcher dispatcher)
{
this.busyState = busyState;
this.dispatcher = dispatcher;
activeOperations.CollectionChanged += (x, y) => OnCollectionChanged(y);
}
public void EnteringSetsIsBusyToTrue()
{
var busyState = new BusyState();
busyState.Enter();
Assert.IsTrue(busyState.IsBusy);
}
public void WhenInitializedIsNotBusy()
{
var busyState = new BusyState();
Assert.IsFalse(busyState.IsBusy);
}