protected static void RemoveVertexIf_Throws_Clusters_Test <TVertex, TEdge>(
[NotNull] ClusteredAdjacencyGraph <TVertex, TEdge> graph)
where TVertex : class
where TEdge : IEdge <TVertex>
{
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => graph.RemoveVertexIf(null));
}
protected static void RemoveVertexIf_Clusters_Test(
[NotNull] ClusteredAdjacencyGraph <int, Edge <int> > graph)
{
var edge12 = new Edge <int>(1, 2);
var edge13 = new Edge <int>(1, 3);
var edge14 = new Edge <int>(1, 4);
var edge24 = new Edge <int>(2, 4);
var edge31 = new Edge <int>(3, 1);
var edge33 = new Edge <int>(3, 3);
graph.AddVerticesAndEdgeRange(new[] { edge12, edge13, edge14, edge24, edge31, edge33 });
Assert.AreEqual(0, graph.RemoveVertexIf(vertex => vertex > 10));
Assert.AreEqual(2, graph.RemoveVertexIf(vertex => vertex > 2));
AssertHasVertices(graph, new[] { 1, 2 });
AssertHasEdges(graph, new[] { edge12 });
Assert.AreEqual(2, graph.RemoveVertexIf(vertex => true));
AssertEmptyGraph(graph);
}
protected static void RemoveVertexIf_Clusters_Test2(
[NotNull] ClusteredAdjacencyGraph <int, Edge <int> > graph)
{
var edge11 = new Edge <int>(1, 1);
var edge13 = new Edge <int>(1, 3);
var edge24 = new Edge <int>(2, 4);
var edge31 = new Edge <int>(3, 1);
var edge32 = new Edge <int>(3, 2);
var edge34 = new Edge <int>(3, 4);
graph.AddVerticesAndEdgeRange(new[] { edge11, edge13, edge24, edge31, edge32, edge34 });
Assert.AreEqual(2, graph.RemoveVertexIf(vertex => vertex == 1 || vertex == 3));
AssertHasVertices(graph, new[] { 2, 4 });
AssertHasEdges(graph, new[] { edge24 });
}
