public void Must_pass_blank_clock_incrementing()
{
var node1 = VectorClock.Node.Create("1");
var node2 = VectorClock.Node.Create("2");
var v1 = VectorClock.Create();
var v2 = VectorClock.Create();
var vv1 = v1.Increment(node1);
var vv2 = v2.Increment(node2);
Assert.True(vv1.IsAfter(v1));
Assert.True(vv2.IsAfter(v2));
Assert.True(vv1.IsAfter(v2));
Assert.True(vv2.IsAfter(v1));
Assert.False(vv2.IsAfter(vv1));
Assert.False(vv1.IsAfter(vv2));
}