public void ReverseEdges_Throws() { // ReSharper disable once ReturnValueOfPureMethodIsNotUsed // ReSharper disable once AssignNullToNotNullAttribute Assert.Throws <ArgumentNullException>( () => EdgeExtensions.ReverseEdges <int, Edge <int> >(null)); }
public void ReverseEdges() { CollectionAssert.IsEmpty(EdgeExtensions.ReverseEdges <int, Edge <int> >(Enumerable.Empty <Edge <int> >())); var edge1 = new Edge <int>(1, 2); CollectionAssert.AreEqual( new[] { new SReversedEdge <int, Edge <int> >(edge1) }, EdgeExtensions.ReverseEdges <int, Edge <int> >(new[] { edge1 })); var edge2 = new Edge <int>(2, 2); var edge3 = new Edge <int>(3, 1); CollectionAssert.AreEqual( new[] { new SReversedEdge <int, Edge <int> >(edge1), new SReversedEdge <int, Edge <int> >(edge2), new SReversedEdge <int, Edge <int> >(edge3) }, EdgeExtensions.ReverseEdges <int, Edge <int> >(new[] { edge1, edge2, edge3 })); }