public void Expand(int amountToAdd)
{
var newCount = Components.Length + amountToAdd;
var newEntries = new T[newCount];
Components.CopyTo(newEntries, 0);
IndexPool.Expand(newCount - 1);
Components = newEntries;
Count = newCount;
_onPoolExtending.OnNext(true);
}
public void should_expand_correctly_for_new_indexes()
{
var explicitNewIndex = 5;
var indexPool = new IndexPool(3, 3);
indexPool.Expand(explicitNewIndex);
Assert.Equal(explicitNewIndex + 1, indexPool.AvailableIndexes.Count);
var expectedIdEntries = Enumerable.Range(0, explicitNewIndex + 1).ToArray();
Assert.All(indexPool.AvailableIndexes, x => expectedIdEntries.Contains(x));
}
public void should_expand_correctly_with_auto_expansion()
{
var defaultExpansionAmount = 30;
var originalSize = 10;
var expectedSize = defaultExpansionAmount + originalSize;
var indexPool = new IndexPool(defaultExpansionAmount, originalSize);
indexPool.Expand();
Assert.Equal(indexPool.AvailableIndexes.Count, expectedSize);
var expectedIdEntries = Enumerable.Range(1, expectedSize).ToArray();
Assert.All(indexPool.AvailableIndexes, x => expectedIdEntries.Contains(x));
}
public void should_continually_expand_correctly_with_auto_expansion()
{
var expectedExpansions = 5;
var defaultExpansionAmount = 30;
var originalSize = 10;
var expectedSize = (defaultExpansionAmount * expectedExpansions) + originalSize;
var expectedIndexEntries = Enumerable.Range(0, expectedSize).ToArray();
var indexPool = new IndexPool(defaultExpansionAmount, originalSize);
for (var i = 0; i < expectedExpansions; i++)
{
indexPool.Expand();
}
Assert.Equal(expectedSize, indexPool.AvailableIndexes.Count);
Assert.All(indexPool.AvailableIndexes, x => expectedIndexEntries.Contains(x));
}