public void Add_ConcurrentAdds_AddsOnlyOne(TestType value, Node node)
{
var clock = ImmutableSortedDictionary <Node, long> .Empty;
var lwwSet = new LWW_SetWithVC <TestType>();
var firstAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0)));
var secondAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0)));
lwwSet = lwwSet.Assign(firstAdd.Value, firstAdd.VectorClock);
lwwSet = lwwSet.Assign(secondAdd.Value, secondAdd.VectorClock);
Assert.Equal(1, lwwSet.Adds.Count(e => Equals(e.Value, value)));
}
public void Add_AddSameElementTwiceWithDifferentTimestamp_UpdatesExistingElement(TestType value, Node node)
{
var clock = ImmutableSortedDictionary <Node, long> .Empty;
var lwwSet = new LWW_SetWithVC <TestType>();
var firstAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0)));
var secondAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1)));
lwwSet = lwwSet.Assign(firstAdd.Value, firstAdd.VectorClock);
lwwSet = lwwSet.Assign(secondAdd.Value, secondAdd.VectorClock);
Assert.True(lwwSet.Adds.Count(e => Equals(e, secondAdd)) == 1);
Assert.True(lwwSet.Adds.Count(e => Equals(e, firstAdd)) == 0);
}
public void Lookup_ReAdded_ReturnsTrue(TestType value, Node node)
{
var clock = ImmutableSortedDictionary <Node, long> .Empty;
var lwwSet = new LWW_SetWithVC <TestType>();
var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0)));
var remove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1)));
var reAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 2)));
lwwSet = lwwSet.Assign(add.Value, add.VectorClock);
lwwSet = lwwSet.Remove(remove.Value, remove.VectorClock);
lwwSet = lwwSet.Assign(reAdd.Value, reAdd.VectorClock);
var lookup = lwwSet.Lookup(value);
Assert.True(lookup);
}
public void Add_AddsElementToAddsSet(TestType value, Node node)
{
var clock = ImmutableSortedDictionary <Node, long> .Empty;
var lwwSet = new LWW_SetWithVC <TestType>();
var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0)));
lwwSet = lwwSet.Assign(add.Value, add.VectorClock);
Assert.Contains(add, lwwSet.Adds);
}
public void Lookup_AddedAndNotRemoved_ReturnsTrue(TestType value, Node node)
{
var clock = ImmutableSortedDictionary <Node, long> .Empty;
var lwwSet = new LWW_SetWithVC <TestType>();
lwwSet = lwwSet.Assign(value, new VectorClock(clock.Add(node, 0)));
var lookup = lwwSet.Lookup(value);
Assert.True(lookup);
}
public void Remove_RemoveSameElementTwiceWithDifferentTimestamp_AddsOneElement(TestType value, Node node)
{
var clock = ImmutableSortedDictionary <Node, long> .Empty;
var lwwSet = new LWW_SetWithVC <TestType>();
var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0)));
var firstRemove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1)));
var secondRemove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 2)));
lwwSet = lwwSet.Assign(add.Value, add.VectorClock);
lwwSet = lwwSet.Remove(firstRemove.Value, firstRemove.VectorClock);
lwwSet = lwwSet.Remove(secondRemove.Value, secondRemove.VectorClock);
Assert.True(lwwSet.Removes.Count(e => Equals(e.Value, value)) == 1);
}