Ejemplo n.º 1
0
        public void TestLiveEdgeDynamicGraphAddRemove1()
        {
            uint tagsId  = 10;
            var  graph   = new MemoryDynamicGraph <LiveEdge>();
            var  vertex1 = graph.AddVertex(51, 1);
            var  vertex2 = graph.AddVertex(51, 2);

            graph.AddEdge(vertex1, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = tagsId
            }, null);

            // test forward edge.
            var arcs = graph.GetEdges(vertex1);

            Assert.AreEqual(1, arcs.Length);
            Assert.AreEqual(tagsId, arcs[0].Value.Tags);
            Assert.AreEqual(vertex2, arcs[0].Key);
            Assert.AreEqual(true, arcs[0].Value.Forward);

            // remove edge again.
            graph.RemoveEdge(vertex1, vertex2);

            // check if the edge is gone.
            arcs = graph.GetEdges(vertex1);
            Assert.AreEqual(0, arcs.Length);
        }
Ejemplo n.º 2
0
        public void TestLiveEdgeDynamicGraphRemoveAll()
        {
            var graph = new MemoryDynamicGraph <LiveEdge>();

            var vertex1 = graph.AddVertex(51, 1);
            var vertex2 = graph.AddVertex(51, 2);
            var vertex3 = graph.AddVertex(51, 3);
            var vertex4 = graph.AddVertex(51, 3);

            graph.AddEdge(vertex1, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = 1
            }, null);
            graph.AddEdge(vertex2, vertex3, new LiveEdge()
            {
                Forward = true,
                Tags    = 2
            }, null);
            graph.AddEdge(vertex3, vertex4, new LiveEdge()
            {
                Forward = true,
                Tags    = 3
            }, null);

            graph.AddEdge(vertex4, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = 4
            }, null);

            graph.RemoveEdge(vertex2, vertex1);
            graph.RemoveEdge(vertex2, vertex3);
            graph.RemoveEdge(vertex4, vertex3);
            graph.RemoveEdge(vertex4, vertex2);
            Assert.IsFalse(graph.ContainsEdge(vertex2, vertex1));
            Assert.IsFalse(graph.ContainsEdge(vertex2, vertex3));
            Assert.IsFalse(graph.ContainsEdge(vertex4, vertex3));
            Assert.IsFalse(graph.ContainsEdge(vertex4, vertex2));
        }
Ejemplo n.º 3
0
        public void TestLiveEdgeDynamicGraphAddRemove2()
        {
            uint tagsId  = 10;
            var  graph   = new MemoryDynamicGraph <LiveEdge>();
            var  vertex1 = graph.AddVertex(51, 1);
            var  vertex2 = graph.AddVertex(51, 2);
            var  vertex3 = graph.AddVertex(51, 3);

            graph.AddEdge(vertex1, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = tagsId
            }, null);

            graph.AddEdge(vertex2, vertex3, new LiveEdge()
            {
                Forward = true,
                Tags    = tagsId
            }, null);

            // test edges.
            var edges = graph.GetEdges(vertex1);

            Assert.AreEqual(1, edges.Length);
            Assert.AreEqual(tagsId, edges[0].Value.Tags);
            Assert.AreEqual(vertex2, edges[0].Key);
            Assert.AreEqual(true, edges[0].Value.Forward);
            edges = graph.GetEdges(vertex2);
            Assert.AreEqual(2, edges.Length);
            edges = graph.GetEdges(vertex3);
            Assert.AreEqual(1, edges.Length);
            Assert.AreEqual(tagsId, edges[0].Value.Tags);
            Assert.AreEqual(vertex2, edges[0].Key);
            Assert.AreEqual(false, edges[0].Value.Forward);

            // remove edge again.
            graph.RemoveEdge(vertex1, vertex2);

            // test edges.
            edges = graph.GetEdges(vertex1);
            Assert.AreEqual(0, edges.Length);
            edges = graph.GetEdges(vertex2);
            Assert.AreEqual(1, edges.Length);
            Assert.AreEqual(tagsId, edges[0].Value.Tags);
            Assert.AreEqual(vertex3, edges[0].Key);
            Assert.AreEqual(true, edges[0].Value.Forward);
            edges = graph.GetEdges(vertex3);
            Assert.AreEqual(1, edges.Length);
            Assert.AreEqual(tagsId, edges[0].Value.Tags);
            Assert.AreEqual(vertex2, edges[0].Key);
            Assert.AreEqual(false, edges[0].Value.Forward);
        }
Ejemplo n.º 4
0
        public void TestLiveEdgeDynamicGraphCompressEdges()
        {
            var graph = new MemoryDynamicGraph <LiveEdge>();

            var vertex1 = graph.AddVertex(51, 1);
            var vertex2 = graph.AddVertex(51, 2);
            var vertex3 = graph.AddVertex(51, 3);
            var vertex4 = graph.AddVertex(51, 3);

            graph.AddEdge(vertex1, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = 1
            }, null);
            graph.AddEdge(vertex2, vertex3, new LiveEdge()
            {
                Forward = true,
                Tags    = 2
            }, null);
            graph.AddEdge(vertex3, vertex4, new LiveEdge()
            {
                Forward = true,
                Tags    = 3
            }, null);

            graph.AddEdge(vertex4, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = 4
            }, null);

            graph.RemoveEdge(vertex2, vertex3);

            graph.Compress();

            Assert.IsFalse(graph.ContainsEdge(vertex2, vertex3));
            Assert.IsFalse(graph.ContainsEdge(vertex3, vertex2));

            Assert.AreEqual(graph.GetEdges(vertex1).Length, 1);
            Assert.AreEqual(graph.GetEdges(vertex2).Length, 2);
            Assert.AreEqual(graph.GetEdges(vertex3).Length, 1);
            Assert.AreEqual(graph.GetEdges(vertex4).Length, 2);


            graph = new MemoryDynamicGraph <LiveEdge>();

            vertex1 = graph.AddVertex(51, 1);
            vertex2 = graph.AddVertex(51, 2);
            vertex3 = graph.AddVertex(51, 3);
            vertex4 = graph.AddVertex(51, 3);

            graph.AddEdge(vertex1, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = 1
            }, null);
            graph.AddEdge(vertex2, vertex3, new LiveEdge()
            {
                Forward = true,
                Tags    = 2
            }, null);
            graph.AddEdge(vertex3, vertex4, new LiveEdge()
            {
                Forward = true,
                Tags    = 3
            }, null);

            graph.AddEdge(vertex4, vertex2, new LiveEdge()
            {
                Forward = true,
                Tags    = 4
            }, null);

            graph.RemoveEdge(vertex3, vertex4);

            graph.Compress();

            Assert.IsFalse(graph.ContainsEdge(vertex3, vertex4));
            Assert.IsFalse(graph.ContainsEdge(vertex4, vertex3));

            Assert.AreEqual(graph.GetEdges(vertex1).Length, 1);
            Assert.AreEqual(graph.GetEdges(vertex2).Length, 3);
            Assert.AreEqual(graph.GetEdges(vertex3).Length, 1);
            Assert.AreEqual(graph.GetEdges(vertex4).Length, 1);

            LiveEdge edge;

            Assert.IsTrue(graph.GetEdge(vertex1, vertex2, out edge));
            Assert.AreEqual(1, edge.Tags);
            Assert.IsTrue(graph.GetEdge(vertex2, vertex3, out edge));
            Assert.AreEqual(2, edge.Tags);
            Assert.IsTrue(graph.GetEdge(vertex4, vertex2, out edge));
            Assert.AreEqual(4, edge.Tags);
        }