public void TryAdd_OnNonExistingKeyAndNullValue_DoesNotAdd()
{
var dict = new ConcurrentDataDictionary <string, string>(InitialData);
dict.TryAdd(InitialNonExistingKey, null);
Assert.AreEqual(InitialCount, dict.Count);
}
public void ConstructorWithComparer_AppliesComparer()
{
var dict = new ConcurrentDataDictionary <string, string>(StringComparer.OrdinalIgnoreCase);
dict.TryAdd(InitialExistingKey, InitialExistingValue);
Assert.IsTrue(dict.TryGetValue(InitialExistingKeyWithDifferentCasing, out _));
}
public void TryAdd_OnNonExistingKeyAndNonNullValue_AddsKeyAndValue()
{
var dict = new ConcurrentDataDictionary <string, string>(InitialData);
dict.TryAdd(InitialNonExistingKey, InitialNonExistingValue);
Assert.AreEqual(InitialNonExistingValue, dict[InitialNonExistingKey]);
}
public void TryAdd_OnExistingKey_DoesNotModifyValue()
{
var dict = new ConcurrentDataDictionary <string, string>(InitialData);
dict.TryAdd(InitialExistingKey, DifferentValueForInitialExistingKey);
Assert.AreEqual(InitialExistingValue, dict[InitialExistingKey]);
}
public void TryAdd_OnNullKey_ThrowsArgumentNullException()
{
var dict = new ConcurrentDataDictionary <string, string>();
Assert.Throws <ArgumentNullException>(
() => dict.TryAdd(null, SomeValue));
}
public void TryAdd_OnNonExistingKeyAndNullValue_ReturnsTrue()
{
var dict = new ConcurrentDataDictionary <string, string>(InitialData);
Assert.IsTrue(dict.TryAdd(InitialNonExistingKey, null));
}
public void TryAdd_OnExistingKey_ReturnsFalse()
{
var dict = new ConcurrentDataDictionary <string, string>(InitialData);
Assert.IsFalse(dict.TryAdd(InitialExistingKey, DifferentValueForInitialExistingKey));
}