public virtual void Remove_TwinToContainedItem_DependsOnSemantics()
{
if (!CanContainTwins)
{
return;
}
foreach (var twins in CreateTwinItems())
{
var item1 = twins.Item1;
var item2 = twins.Item2;
if (!ObjectTestHelper.AreTwins((object)item1, (object)item2))
{
Assert.Fail("Test fail. Items are not twins.");
}
foreach (var collection in CreateEmpty())
{
collection.Add(item1);
collection.Add(item2);
var result = collection.Remove(item2);
CollectionAssert.Contains(collection.ToList(), item1);
Assert.AreEqual(1, collection.Count);
Assert.IsTrue(result);
}
}
}
public virtual void Contains_TwinToContainedItem_DependsOnSemantics()
{
if (!CanContainTwins)
{
return;
}
foreach (var twins in CreateTwinItems())
{
var item1 = twins.Item1;
var item2 = twins.Item2;
if (!ObjectTestHelper.AreTwins((object)item1, (object)item2))
{
Assert.Fail("Test fail. Items are not twins.");
}
foreach (var collection in CreateEmpty())
{
collection.Add(item1);
collection.Add(item2);
var result1 = collection.Contains(item1);
var result2 = collection.Contains(item2);
Assert.IsTrue(result1);
Assert.IsTrue(result2);
}
}
}
public virtual void Add_Twins_DependsOnSemantics()
{
foreach (var collection in CreateEmpty())
{
foreach (var twins in CreateTwinItems())
{
var item1 = twins.Item1;
var item2 = twins.Item2;
collection.Add(item1);
if (ObjectTestHelper.AreTwins(item1, item2))
{
try
{
collection.Add(item2);
}
catch (Exception ex)
{
// muze obsahovat twins, ale vyhazuje vyjimku
if (CanContainTwins)
{
Assert.Fail("Can contains twin instances but throws exception!", ex);
}
else // nemuze obsahovat twins a spravne vyhazuje vyjimku
{
CollectionAssert.DoesNotContain(collection.ToList(), item2);
Assert.AreEqual(1, collection.Count);
}
return;
}
// muze obsahovat twins
if (CanContainTwins)
{
CollectionAssert.Contains(collection.ToList(), item2);
Assert.AreEqual(2, collection.Count);
}
else // nemuze obsahovat twins ale nevyhazuje vyjimku
{
Assert.Fail("Cannot contain twin instances and does not throw exception!");
}
}
}
}
}