public void VertexDescriptor_RemoveEdge_FailsByAttemptToAddEdgeWithWrongVertices() { VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(10); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(10, 20, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); Assert.AreEqual(1, vertexDescriptor.Edges.Count()); EdgeDescriptor <int, string> unrelatedEdgeDesciptor = new EdgeDescriptor <int, string>(100, 200, "edge"); vertexDescriptor.AddEdge(unrelatedEdgeDesciptor); }
public void VertexDescriptor_RemoveEdge_FailsByAttemptToAddEdgeWithWrongVertices() { VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(10); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(10, 20, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); Assert.Single(vertexDescriptor.Edges); EdgeDescriptor <int, string> unrelatedEdgeDesciptor = new EdgeDescriptor <int, string>(100, 200, "edge"); var exception = Assert.Throws <InvalidOperationException>(() => vertexDescriptor.AddEdge(unrelatedEdgeDesciptor)); Assert.Equal("Vertex '10' does not belong to the current edge that contains '100' and '200'", exception.Message); }
public void VertexDescriptor_AddEdge_FailsByAttemptToAddEdgeWithWrongVertices() { int vertex1 = 10; int vertex2 = 20; int vertex3 = 30; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex3); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); }
public void VertexDescriptor_AddEdge_FailsByAttemptToAddEdgeWithWrongVertices() { int vertex1 = 10; int vertex2 = 20; int vertex3 = 30; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex3); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); var exception = Assert.Throws <InvalidOperationException>(() => vertexDescriptor.AddEdge(edgeDesciptor)); Assert.Equal("Vertex '30' does not belong to the current edge that contains '10' and '20'", exception.Message); }
public void VertexDescriptor_AddEdge_AddsDescriptorToEdges() { int vertex1 = 10; int vertex2 = 20; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1); Assert.Empty(vertexDescriptor.Edges); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); Assert.Contains(edgeDesciptor, vertexDescriptor.Edges); }
public void VertexDescriptor_AddEdge_AddsDescriptorToEdges() { int vertex1 = 10; int vertex2 = 20; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1); Assert.AreEqual(0, vertexDescriptor.Edges.Count()); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); Assert.IsTrue(vertexDescriptor.Edges.Contains(edgeDesciptor)); }
public void VertexDescriptor_RemoveEdge_RemovesEdgeFromVertex() { int vertex1 = 10; int vertex2 = 20; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); Assert.Contains(edgeDesciptor, vertexDescriptor.Edges); vertexDescriptor.RemoveEdge(edgeDesciptor); Assert.DoesNotContain(edgeDesciptor, vertexDescriptor.Edges); }
public void VertexDescriptor_TryFindEdge_ReturnsFalseForWrongVertex() { int vertex1 = 10; int vertex2 = 20; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); EdgeDescriptor <int, string> foundEdge; bool result = vertexDescriptor.TryFindEdge(vertex2, vertex1, out foundEdge); Assert.False(result); Assert.Equal(default(EdgeDescriptor <int, string>), foundEdge); }
public void VertexDescriptor_TryFindEdge_ReturnsEdgeByVertex() { int vertex1 = 10; int vertex2 = 20; VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1); EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge"); vertexDescriptor.AddEdge(edgeDesciptor); EdgeDescriptor <int, string> foundEdge; bool result = vertexDescriptor.TryFindEdge(vertex1, vertex2, out foundEdge); Assert.True(result); Assert.Equal(foundEdge, edgeDesciptor); }