public void RemoveUnfrequentItems_NoUnfrequentItemsAdded_AllItemsPreserve()
{
ConditionalFPTree cTree = new ConditionalFPTree(5);
FPTreeNode transaction = CreateTransaction(1, 3, 4);
cTree.AddTransaction(transaction, 1);
var result = cTree.RemoveInfrequentItems(1);
Assert.AreEqual(0, result);
}
public void RemoveUnfrequentItems_OneFrequentItem_PreserveOneItem()
{
ConditionalFPTree cTree = new ConditionalFPTree(0);
FPTreeNode[] transactions = CreateTransactionWithCommonPath(new uint[] { 1 }, new uint[] { 3, 4, 5 }, new uint[] { 6, 7 });
cTree.AddTransaction(transactions[0], 1);
cTree.AddTransaction(transactions[1], 1);
var result = cTree.RemoveInfrequentItems(2);
Assert.AreEqual(5, result);
}
