public void SetItemCount_ExpectedCountMisMatch_DoesNotUpdate()
{
IMultiSet <string> multiSet = new MultiSet <string>();
multiSet.Add("item", 3);
Assert.IsFalse(multiSet.SetItemCount("item", 4, 5));
Assert.IsFalse(multiSet.SetItemCount("item", 0, 5));
Assert.IsFalse(multiSet.SetItemCount("itemNotExist", 1, 5));
Assert.IsFalse(multiSet.SetItemCount("itemNotExist", 5, 5));
Assert.AreEqual(3, multiSet.Count(i => i == "item"));
Assert.IsFalse(multiSet.Any(i => i == "itemNotExist"));
}
public void Remove()
{
IMultiSet <string> multiSet = new MultiSet <string>();
multiSet.Add("itemToDecrease", 3);
multiSet.Add("itemToDelete", 3);
multiSet.Add("itemToDelete_negative", 3);
multiSet.Add("itemNotChanged", 3);
Assert.AreEqual(3, multiSet.Remove("itemToDecrease", 1));
Assert.IsTrue(multiSet.Remove("itemToDecrease"));
Assert.AreEqual(3, multiSet.Remove("itemToDelete", 3));
Assert.IsFalse(multiSet.Remove("itemToDelete"));
Assert.AreEqual(3, multiSet.Remove("itemToDelete_negative", 4));
Assert.AreEqual(3, multiSet.Remove("itemNotChanged", 0));
Assert.AreEqual(0, multiSet.Remove("itemNotExist", 1));
Assert.IsFalse(multiSet.Remove("itemNotExist"));
Assert.AreEqual(1, multiSet.Count(i => i == "itemToDecrease"));
Assert.AreEqual(3, multiSet.Count(i => i == "itemNotChanged"));
Assert.IsFalse(multiSet.Any(i => i == "itemToDelete"));
Assert.IsFalse(multiSet.Any(i => i == "itemToDelete_negative"));
Assert.IsFalse(multiSet.Any(i => i == "itemNotExist"));
}
public void SetItemCount()
{
IMultiSet <string> multiSet = new MultiSet <string>();
multiSet.Add("itemToIncrease", 3);
multiSet.Add("itemToDecrease", 3);
multiSet.Add("itemToDelete", 3);
multiSet.Add("itemNotChanged", 3);
Assert.AreEqual(3, multiSet.SetItemCount("itemToIncrease", 4));
Assert.AreEqual(3, multiSet.SetItemCount("itemToDecrease", 2));
Assert.AreEqual(3, multiSet.SetItemCount("itemToDelete", 0));
Assert.AreEqual(3, multiSet.SetItemCount("itemNotChanged", 3));
Assert.AreEqual(0, multiSet.SetItemCount("itemToAdd", 3));
Assert.AreEqual(4, multiSet.Count(i => i == "itemToIncrease"));
Assert.AreEqual(2, multiSet.Count(i => i == "itemToDecrease"));
Assert.IsFalse(multiSet.Any(i => i == "itemToDelete"));
Assert.AreEqual(3, multiSet.Count(i => i == "itemToAdd"));
Assert.AreEqual(3, multiSet.Count(i => i == "itemNotChanged"));
}