public void UnpushShouldRemoveLastPushedItem()
{
var queue = new YQueue<string>(2);
queue.Push("One");
queue.Push("Two");
queue.Push("Three");
Assert.AreEqual(3, queue.BackPos, "Ensuring that Back position is 3");
Assert.AreEqual("Three", queue.Unpush(), "Unpush should return the last item in a queue");
Assert.AreEqual(2, queue.BackPos, "Back position should be decremented after unpush");
Assert.AreEqual("Two", queue.Unpush(), "Unpush should return the last item in a queue");
Assert.AreEqual(1, queue.BackPos, "Back position should be decremented after unpush");
Assert.AreEqual("One", queue.Unpush(), "Unpush should return the last item in a queue");
Assert.AreEqual(0, queue.BackPos, "Back position should be decremented after unpush");
}
public void UnpushShouldRemoveLastPushedItem()
{
var queue = new YQueue <string>(2);
queue.Push("One");
queue.Push("Two");
queue.Push("Three");
Assert.AreEqual(3, queue.BackPos, "Ensuring that Back position is 3");
Assert.AreEqual("Three", queue.Unpush(), "Unpush should return the last item in a queue");
Assert.AreEqual(2, queue.BackPos, "Back position should be decremented after unpush");
Assert.AreEqual("Two", queue.Unpush(), "Unpush should return the last item in a queue");
Assert.AreEqual(1, queue.BackPos, "Back position should be decremented after unpush");
Assert.AreEqual("One", queue.Unpush(), "Unpush should return the last item in a queue");
Assert.AreEqual(0, queue.BackPos, "Back position should be decremented after unpush");
}
/// <summary>
/// Pop an incomplete item from the pipe.
/// </summary>
/// <returns>the element revoked if such item exists, <c>null</c> otherwise.</returns>
public bool Unwrite(ref T value)
{
if (m_flushToIndex == m_queue.BackPos)
{
return(false);
}
value = m_queue.Unpush();
return(true);
}
public void UnpushShouldRemoveLastPushedItem()
{
string one = "One";
string two = "Two";
string three = "Three";
var queue = new YQueue <string>(2);
queue.Push(ref one);
queue.Push(ref two);
queue.Push(ref three);
// Back position should be decremented after unpush
Assert.Equal(3, queue.BackPos);
// Unpush should return the last item in a queue
Assert.Equal("Three", queue.Unpush());
Assert.Equal(2, queue.BackPos);
Assert.Equal("Two", queue.Unpush());
Assert.Equal(1, queue.BackPos);
Assert.Equal("One", queue.Unpush());
Assert.Equal(0, queue.BackPos);
}
