public void Replace_ReplacedAndEventRaised()
{
TestDataManager dm = new TestDataManager();
TestDataType data1 = new TestDataType {
Id = 1U
}, data2 = new TestDataType {
Id = 2U
};
dm.Add(data1);
TestDataObserver obs = new TestDataObserver();
using IDisposable unsubscriber = dm.Subscribe(obs);
Assert.AreEqual(dm.Get(1U), data1);
dm.ReplaceData(new HashSet <TestDataType> {
data2
});
Assert.AreEqual(dm.Get(2U), data2);
Assert.AreEqual(0, obs.CompleteCount);
Assert.AreEqual(0, obs.Errors.Count);
Assert.AreEqual(1, obs.Next.Count);
DataChanged <TestDataType> change = obs.Next.Dequeue();
Assert.IsTrue(change.Action == DataChangedAction.Replace &&
change.OldItems?.FirstOrDefault() == data1 &&
change.NewItems?.FirstOrDefault() == data2);
}
public void GetAdded_ReturnsNotNull()
{
TestDataManager dm = new TestDataManager();
dm.Add(new TestDataType {
Id = 1U
});
Assert.IsNotNull(dm.Get(1U));
}
public void GetWithoutAdd_ReturnsNull()
{
TestDataManager dm = new TestDataManager();
Assert.IsNull(dm.Get(0U));
}
