public void HashSet_Generic_TrimExcess_AfterClearingAndAddingAllElementsBack(int setLength)
{
if (setLength > 0)
{
SegmentedHashSet <T> set = (SegmentedHashSet <T>)GenericISetFactory(setLength);
set.TrimExcess();
set.Clear();
set.TrimExcess();
Assert.Equal(0, set.Count);
AddToCollection(set, setLength);
set.TrimExcess();
Assert.Equal(setLength, set.Count);
}
}
/// <inheritdoc cref="ImmutableHashSet{T}.Builder.Clear()"/>
public void Clear()
{
if (ReadOnlySet.Count != 0)
{
if (_mutableSet is null)
{
_mutableSet = new SegmentedHashSet <T>(KeyComparer);
_set = default;
}
else
{
_mutableSet.Clear();
}
}
}
/// <summary>
/// Returns a set of ModifyEnumerable delegates that modify the enumerable passed to them.
/// </summary>
protected override IEnumerable <ModifyEnumerable> GetModifyEnumerables(ModifyOperation operations)
{
if ((operations & ModifyOperation.Clear) == ModifyOperation.Clear)
{
yield return((IEnumerable enumerable) =>
{
SegmentedHashSet <string> casted = ((SegmentedHashSet <string>)enumerable);
if (casted.Count > 0)
{
casted.Clear();
return true;
}
return false;
});
}
}