protected static void ContainsEdge_EquatableEdges_ForbiddenParallelEdges_ImmutableVertices_Test(
[NotNull] IMutableEdgeListGraph <int, EquatableEdge <int> > graph)
{
var edge1 = new EquatableEdge <int>(1, 2);
var edge2 = new EquatableEdge <int>(1, 3);
var edge3 = new EquatableEdge <int>(2, 1);
var edge4 = new EquatableEdge <int>(2, 2);
var otherEdge1 = new EquatableEdge <int>(1, 2);
Assert.IsFalse(graph.ContainsEdge(edge1));
Assert.IsFalse(graph.ContainsEdge(edge2));
Assert.IsFalse(graph.ContainsEdge(edge3));
Assert.IsFalse(graph.ContainsEdge(edge4));
Assert.IsFalse(graph.ContainsEdge(otherEdge1));
graph.AddEdge(edge1);
Assert.IsTrue(graph.ContainsEdge(edge1));
Assert.IsFalse(graph.ContainsEdge(edge2));
Assert.IsFalse(graph.ContainsEdge(edge3));
Assert.IsFalse(graph.ContainsEdge(edge4));
Assert.IsTrue(graph.ContainsEdge(otherEdge1));
graph.AddEdge(edge2);
Assert.IsTrue(graph.ContainsEdge(edge1));
Assert.IsTrue(graph.ContainsEdge(edge2));
Assert.IsFalse(graph.ContainsEdge(edge3));
Assert.IsFalse(graph.ContainsEdge(edge4));
Assert.IsTrue(graph.ContainsEdge(otherEdge1));
graph.AddEdge(edge3);
Assert.IsTrue(graph.ContainsEdge(edge1));
Assert.IsTrue(graph.ContainsEdge(edge2));
Assert.IsTrue(graph.ContainsEdge(edge3));
Assert.IsFalse(graph.ContainsEdge(edge4));
Assert.IsTrue(graph.ContainsEdge(otherEdge1));
graph.AddEdge(edge4);
Assert.IsTrue(graph.ContainsEdge(edge1));
Assert.IsTrue(graph.ContainsEdge(edge2));
Assert.IsTrue(graph.ContainsEdge(edge3));
Assert.IsTrue(graph.ContainsEdge(edge4));
Assert.IsTrue(graph.ContainsEdge(otherEdge1));
// Both vertices not in graph
Assert.IsFalse(graph.ContainsEdge(new EquatableEdge <int>(10, 11)));
// Source not in graph
Assert.IsFalse(graph.ContainsEdge(new EquatableEdge <int>(10, 1)));
// Target not in graph
Assert.IsFalse(graph.ContainsEdge(new EquatableEdge <int>(1, 10)));
}
protected static void AddEdge_Throws_EdgesOnly_Test(
IMutableEdgeListGraph <int, Edge <int> > graph)
{
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => graph.AddEdge(null));
AssertNoEdge(graph);
}
public static void AddEdgeRange <TVertex, TEdge>(this IMutableEdgeListGraph <TVertex, TEdge> graph, IEnumerable <TEdge> edges)
where TEdge : IEdge <TVertex>
{
foreach (var edge in edges)
{
graph.AddEdge(edge);
}
}