Пример #1
0
        public void TestLiveEdgeDynamicGraphCompressVertices()
        {
            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);

            // make vertex4 obsolete.
            graph.RemoveEdges(vertex4);

            graph.Compress();

            Assert.AreEqual(3, graph.VertexCount);

            Assert.AreEqual(graph.GetEdges(vertex1).Length, 1);
            Assert.AreEqual(graph.GetEdges(vertex2).Length, 2);
            Assert.AreEqual(graph.GetEdges(vertex3).Length, 1);
        }
Пример #2
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);
        }