private void TestAddElementsToList(DatanodeDescriptor.CachedBlocksList list, CachedBlock
[] blocks)
{
NUnit.Framework.Assert.IsTrue("expected list to start off empty.", !list.GetEnumerator
().HasNext());
foreach (CachedBlock block in blocks)
{
NUnit.Framework.Assert.IsTrue(list.AddItem(block));
}
}
private void TestRemoveElementsFromList(Random r, DatanodeDescriptor.CachedBlocksList
list, CachedBlock[] blocks)
{
int i = 0;
for (IEnumerator <CachedBlock> iter = list.GetEnumerator(); iter.HasNext();)
{
NUnit.Framework.Assert.AreEqual(blocks[i], iter.Next());
i++;
}
if (r.NextBoolean())
{
Log.Info("Removing via iterator");
for (IEnumerator <CachedBlock> iter_1 = list.GetEnumerator(); iter_1.HasNext();)
{
iter_1.Next();
iter_1.Remove();
}
}
else
{
Log.Info("Removing in pseudo-random order");
CachedBlock[] remainingBlocks = Arrays.CopyOf(blocks, blocks.Length);
for (int removed = 0; removed < remainingBlocks.Length;)
{
int toRemove = r.Next(remainingBlocks.Length);
if (remainingBlocks[toRemove] != null)
{
NUnit.Framework.Assert.IsTrue(list.Remove(remainingBlocks[toRemove]));
remainingBlocks[toRemove] = null;
removed++;
}
}
}
NUnit.Framework.Assert.IsTrue("expected list to be empty after everything " + "was removed."
, !list.GetEnumerator().HasNext());
}