public void TestErrorWhenNoCapacity()
{
var totalCapacity = 5;
ThreadSafeInMemoryQueue <int> q = new ThreadSafeInMemoryQueue <int>(totalCapacity);
Assert.ThrowsException <Exception>(() =>
{
for (int i = 0; i < 10; i++)
{
q.EnqueData(new List <int> {
i
});
}
}, QueueErrros.ExceededCapacity);
}
public void TestEnqueuWithEnoughCapacity()
{
var totalCapacity = 5;
ThreadSafeInMemoryQueue <int> q = new ThreadSafeInMemoryQueue <int>(totalCapacity);
for (int i = 0; i < totalCapacity; i++)
{
q.EnqueData(new List <int> {
i
});
}
List <int> elements = new List <int>();
while (q.GetFreeCapacity() < totalCapacity)
{
elements.AddRange(q.DequeData());
}
Assert.IsTrue(elements.Count == totalCapacity, "Expected total elements count same as total capacity");
}
public void TestFreeCapacity()
{
var totalCapacity = 10;
ThreadSafeInMemoryQueue <int> q = new ThreadSafeInMemoryQueue <int>(totalCapacity);
for (int i = 0; i < 10; i++)
{
q.EnqueData(new List <int> {
i
});
}
Assert.IsTrue(q.GetFreeCapacity() == 0, "Expected zero capacity");
// An action to consume the ConcurrentQueue.
Action action = () =>
{
List <int> data = q.DequeData();
if (data != null && data.Count > 0)
{
foreach (var i in data)
{
Console.WriteLine("Item value is: " + i);
}
}
else
{
Console.WriteLine("No data found on this thread");
}
};
// Start 4 concurrent consuming actions.
Parallel.Invoke(
action, action, action, action, action, action, action, action, action, action, action, action, action, action, action, action, action);
Assert.IsTrue(q.GetFreeCapacity() == totalCapacity, "Expected total capacity");
}
static void Main(string[] args)
{
ThreadSafeInMemoryQueue <int> q = new ThreadSafeInMemoryQueue <int>(10);
for (int i = 0; i < 10; i++)
{
q.EnqueData(new List <int> {
i
});
}
// An action to consume the ConcurrentQueue.
Action action = () =>
{
List <int> data = q.DequeData();
if (data != null && data.Count > 0)
{
foreach (var i in data)
{
Console.WriteLine("Item value is: " + i);
}
}
else
{
Console.WriteLine("No data found on this thread");
}
};
// Start 4 concurrent consuming actions.
Parallel.Invoke(
action, action, action, action, action, action, action, action, action, action, action, action, action, action, action, action, action);
Console.WriteLine("Current capacity " + q.GetFreeCapacity());
Console.ReadLine();
}
