public void should_allocate_and_remove_next_available_id()
{
var idPool = new IdPool(10, 10);
var id = idPool.AllocateInstance();
Assert.InRange(id, 1, 10);
Assert.DoesNotContain(id, idPool.AvailableIds);
}
public int GetId(int?id = null)
{
if (false == id.HasValue)
{
return(IdPool.AllocateInstance());
}
IdPool.AllocateSpecificId(id.Value);
return(id.Value);
}
public void should_correctly_keep_expanding_when_continually_allocating()
{
var expectedSize = 5000;
var idPool = new IdPool();
var expectedAllocations = Enumerable.Range(1, expectedSize).ToList();
var actualAllocations = new List <int>();
for (var i = 0; i < expectedSize; i++)
{
var allocation = idPool.AllocateInstance();
actualAllocations.Add(allocation);
}
Assert.Equal(expectedSize, actualAllocations.Count);
Assert.All(actualAllocations, x => expectedAllocations.Contains(x));
}
public void should_expand_and_allocate_and_remove_next_available_id_when_empty()
{
var defaultExpansionAmount = 30;
var originalSize = 10;
var expectedSize = defaultExpansionAmount + originalSize;
var idPool = new IdPool(defaultExpansionAmount, originalSize);
idPool.AvailableIds.Clear();
var id = idPool.AllocateInstance();
var expectedIdEntries = Enumerable.Range(1, expectedSize - 1).ToList();
Assert.InRange(id, 1, expectedSize);
Assert.DoesNotContain(id, idPool.AvailableIds);
Assert.All(idPool.AvailableIds, x => expectedIdEntries.Contains(x));
}