public void CanCheckContainsKey() { Assert.False(_set.ContainsKey(_fx.Block1.Hash)); Assert.False(_set.ContainsKey(_fx.Block2.Hash)); _set[_fx.Block1.Hash] = _fx.Block1; Assert.True(_set.ContainsKey(_fx.Block1.Hash)); Assert.False(_set.ContainsKey(_fx.Block2.Hash)); }