public void Lookup_AddedAndNotRemoved_ReturnsTrue(TestType value)
{
var pSet = new P_OptimizedSet <TestType>();
pSet = pSet.Merge(new[] { new P_OptimizedSetElement <TestType>(value, false) }.ToImmutableHashSet());
var lookup = pSet.Lookup(value);
Assert.True(lookup);
}
public void Merge_MergesAddsAndRemoves(TestType one, TestType two, TestType three)
{
var elementOne = new P_OptimizedSetElement <TestType>(one, false);
var elementTwo = new P_OptimizedSetElement <TestType>(two, true);
var elementThree = new P_OptimizedSetElement <TestType>(one, true);
var elementFour = new P_OptimizedSetElement <TestType>(three, false);
var pSet = new P_OptimizedSet <TestType>(new[] { elementOne, elementTwo }.ToImmutableHashSet());
var newPSet = pSet.Merge(new[] { elementThree, elementFour }.ToImmutableHashSet());
Assert.Equal(4, newPSet.Elements.Count);
Assert.Contains(newPSet.Elements, e => Equals(e, elementOne));
Assert.Contains(newPSet.Elements, e => Equals(e, elementTwo));
Assert.Contains(newPSet.Elements, e => Equals(e, elementThree));
Assert.Contains(newPSet.Elements, e => Equals(e, elementFour));
}