public void EnsureCapacity_Generic_RequestingLargerCapacity_DoesNotInvalidateEnumeration(int setLength)
{
SegmentedHashSet <T> set = (SegmentedHashSet <T>)(GenericISetFactory(setLength));
var capacity = set.EnsureCapacity(0);
IEnumerator valuesEnum = set.GetEnumerator();
IEnumerator valuesListEnum = new List <T>(set).GetEnumerator();
set.EnsureCapacity(capacity + 1); // Verify EnsureCapacity does not invalidate enumeration
while (valuesEnum.MoveNext())
{
valuesListEnum.MoveNext();
Assert.Equal(valuesListEnum.Current, valuesEnum.Current);
}
}
/// <inheritdoc cref="ImmutableHashSet{T}.Enumerator.Reset()"/>
public void Reset()
{
// Create a new enumerator, since _enumerator.Reset() will fail for cases where the set was mutated
// after enumeration started, and ImmutableSegmentHashSet<T>.Builder allows for this case without error.
_enumerator = _set.GetEnumerator();
}
internal Enumerator(SegmentedHashSet <T> set)
{
_set = set;
_enumerator = set.GetEnumerator();
}
