public void Remove_ConcurrentRemoves_AddsOnlyOne(TestType value, long timestamp)
{
var lwwSet = new LWW_Set <TestType>();
var add = new LWW_SetElement <TestType>(value, timestamp);
var firstRemove = new LWW_SetElement <TestType>(value, timestamp + 100);
var secondRemove = new LWW_SetElement <TestType>(value, timestamp + 100);
lwwSet = lwwSet.Assign(add.Value, add.Timestamp);
lwwSet = lwwSet.Remove(firstRemove.Value, firstRemove.Timestamp);
lwwSet = lwwSet.Remove(secondRemove.Value, secondRemove.Timestamp);
Assert.Equal(1, lwwSet.Removes.Count(e => Equals(e.Value, value)));
}
public void Remove_RemoveSameElementTwiceWithDifferentTimestamp_AddsOneElement(TestType value)
{
var lwwSet = new LWW_Set <TestType>();
var add = new LWW_SetElement <TestType>(value, DateTime.Now.Ticks);
var firstRemove = new LWW_SetElement <TestType>(value, DateTime.Now.AddMinutes(1).Ticks);
var secondRemove = new LWW_SetElement <TestType>(value, DateTime.Now.AddMinutes(2).Ticks);
lwwSet = lwwSet.Assign(add.Value, add.Timestamp);
lwwSet = lwwSet.Remove(firstRemove.Value, firstRemove.Timestamp);
lwwSet = lwwSet.Remove(secondRemove.Value, secondRemove.Timestamp);
Assert.True(lwwSet.Removes.Count(e => Equals(e.Value, value)) == 1);
}
public void Remove_BeforeAdd_HasNoEffect(LWW_SetElement <TestType> element)
{
var lwwSet = new LWW_Set <TestType>();
var newLwwSet = lwwSet.Remove(element.Value, element.Timestamp);
Assert.Same(lwwSet, newLwwSet);
}
public void Remove_RemovesElementToRemovesSet(TestType value)
{
var lwwSet = new LWW_Set <TestType>();
var add = new LWW_SetElement <TestType>(value, DateTime.Now.Ticks);
var remove = new LWW_SetElement <TestType>(value, DateTime.Now.AddMinutes(1).Ticks);
lwwSet = lwwSet.Assign(add.Value, add.Timestamp);
lwwSet = lwwSet.Remove(remove.Value, remove.Timestamp);
Assert.Contains(remove, lwwSet.Removes);
}
public void Lookup_AddedAndRemoved_ReturnsFalse(TestType value, long timestamp)
{
var lwwSet = new LWW_Set <TestType>();
var add = new LWW_SetElement <TestType>(value, timestamp);
var remove = new LWW_SetElement <TestType>(value, timestamp + 10);
lwwSet = lwwSet.Assign(add.Value, add.Timestamp);
lwwSet = lwwSet.Remove(remove.Value, remove.Timestamp);
var lookup = lwwSet.Lookup(value);
Assert.False(lookup);
}