public void Clear_OnEmptyCollection_DoesNotInvalidateEnumerator()
{
if (ModifyEnumeratorAllowed.HasFlag(ModifyOperation.Clear))
{
IDictionary dictionary = new LinkedDictionary <string, string>();
IEnumerator valuesEnum = dictionary.GetEnumerator();
dictionary.Clear();
Assert.Empty(dictionary);
Assert.False(valuesEnum.MoveNext());
}
}
public void LinkedDictionary_Generic_Remove_RemoveCurrentEnumerationContinues()
{
if (ModifyEnumeratorAllowed.HasFlag(ModifyOperation.Remove))
{
LinkedDictionary <TKey, TValue> dict = (LinkedDictionary <TKey, TValue>)GenericIDictionaryFactory(3);
using (var enumerator = dict.GetEnumerator())
{
enumerator.MoveNext();
enumerator.MoveNext();
dict.Remove(enumerator.Current.Key);
Assert.True(enumerator.MoveNext());
Assert.False(enumerator.MoveNext());
}
}
}
public void LinkedDictionary_Generic_Remove_RemoveLastEnumerationFinishes()
{
if (ModifyEnumeratorAllowed.HasFlag(ModifyOperation.Remove))
{
LinkedDictionary <TKey, TValue> dict = (LinkedDictionary <TKey, TValue>)GenericIDictionaryFactory(3);
TKey key = default;
using (var enumerator = dict.GetEnumerator())
{
while (enumerator.MoveNext())
{
key = enumerator.Current.Key;
}
}
using (var enumerator = dict.GetEnumerator())
{
enumerator.MoveNext();
enumerator.MoveNext();
dict.Remove(key);
Assert.False(enumerator.MoveNext());
}
}
}