public void Dictionary_Generic_RemoveKey_ValidKeyNotContainedInDictionary(int count)
{
SegmentedDictionary <TKey, TValue> dictionary = (SegmentedDictionary <TKey, TValue>)GenericIDictionaryFactory(count);
TValue value;
TKey missingKey = GetNewKey(dictionary);
Assert.False(dictionary.Remove(missingKey, out value));
Assert.Equal(count, dictionary.Count);
Assert.Equal(default(TValue), value);
}
public void Dictionary_Generic_RemoveKey_DefaultKeyContainedInDictionary(int count)
{
if (DefaultValueAllowed)
{
SegmentedDictionary <TKey, TValue> dictionary = (SegmentedDictionary <TKey, TValue>)(GenericIDictionaryFactory(count));
TKey missingKey = default(TKey);
TValue value;
dictionary.TryAdd(missingKey, default(TValue));
Assert.True(dictionary.Remove(missingKey, out value));
}
}
public void Dictionary_Generic_Remove_RemoveCurrentEnumerationContinues()
{
SegmentedDictionary <TKey, TValue> dict = (SegmentedDictionary <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 Dictionary_Generic_RemoveKey_ValidKeyContainedInDictionary(int count)
{
SegmentedDictionary <TKey, TValue> dictionary = (SegmentedDictionary <TKey, TValue>)GenericIDictionaryFactory(count);
TKey missingKey = GetNewKey(dictionary);
TValue outValue;
TValue inValue = CreateTValue(count);
dictionary.Add(missingKey, inValue);
Assert.True(dictionary.Remove(missingKey, out outValue));
Assert.Equal(count, dictionary.Count);
Assert.Equal(inValue, outValue);
Assert.False(dictionary.TryGetValue(missingKey, out outValue));
}
public void Dictionary_Generic_RemoveKey_DefaultKeyNotContainedInDictionary(int count)
{
SegmentedDictionary <TKey, TValue> dictionary = (SegmentedDictionary <TKey, TValue>)GenericIDictionaryFactory(count);
TValue outValue;
if (DefaultValueAllowed)
{
TKey missingKey = default(TKey);
while (dictionary.ContainsKey(missingKey))
{
dictionary.Remove(missingKey);
}
Assert.False(dictionary.Remove(missingKey, out outValue));
Assert.Equal(default(TValue), outValue);
}
else
{
TValue initValue = CreateTValue(count);
outValue = initValue;
Assert.Throws <ArgumentNullException>(() => dictionary.Remove(default(TKey), out outValue));
Assert.Equal(initValue, outValue);
}
}
public void Dictionary_Generic_Remove_RemoveLastEnumerationFinishes()
{
SegmentedDictionary <TKey, TValue> dict = (SegmentedDictionary <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());
}
}