Akka.Cluster.Tests.VectorClockSpec.Must_correctly_merge_two_disjoint_vector_clocks C# (CSharp) Method

        public void Must_correctly_merge_two_disjoint_vector_clocks()
        {
            var node1 = VectorClock.Node.Create("1");
            var node2 = VectorClock.Node.Create("2");
            var node3 = VectorClock.Node.Create("3");
            var node4 = VectorClock.Node.Create("4");

            var clock1_1 = VectorClock.Create();
            var clock2_1 = clock1_1.Increment(node1);
            var clock3_1 = clock2_1.Increment(node2);
            var clock4_1 = clock3_1.Increment(node2);
            var clock5_1 = clock4_1.Increment(node3);

            var clock1_2 = VectorClock.Create();
            var clock2_2 = clock1_2.Increment(node4);
            var clock3_2 = clock2_2.Increment(node4);

            var merged1 = clock3_2.Merge(clock5_1);
            Assert.Equal(4, merged1.Versions.Count);
            Assert.True(merged1.Versions.ContainsKey(node1));
            Assert.True(merged1.Versions.ContainsKey(node2));
            Assert.True(merged1.Versions.ContainsKey(node3));
            Assert.True(merged1.Versions.ContainsKey(node4));

            var merged2 = clock5_1.Merge(clock3_2);
            Assert.Equal(4, merged2.Versions.Count);
            Assert.True(merged2.Versions.ContainsKey(node1));
            Assert.True(merged2.Versions.ContainsKey(node2));
            Assert.True(merged2.Versions.ContainsKey(node3));
            Assert.True(merged2.Versions.ContainsKey(node4));

            Assert.True(clock3_2.IsBefore(merged1));
            Assert.True(clock5_1.IsBefore(merged1));

            Assert.True(clock3_2.IsBefore(merged2));
            Assert.True(clock5_1.IsBefore(merged2));

            Assert.True(merged1.IsSameAs(merged2));            
        }