public void TiledBarrierGraph_RemoveEdge_2Edges_Add4_Remove2_ShouldLeave2()
{
var graphs = new TiledBarrierGraph();
var v1 = graphs.AddVertex(4.7522735595703125, 50.97918242660188, 564341430);
var v2 = graphs.AddVertex(4.7525310516357420, 50.97851368626033, 564341431);
var v3 = graphs.AddVertex(4.752981662750244, 50.978996666362015, 564341432);
var v4 = graphs.AddVertex(4.7518390417099, 50.97881090537897, 564341433);
var e1 = graphs.AddEdge(v1, v2);
var e2 = graphs.AddEdge(v3, v4);
var v5 = graphs.AddVertex(4.752375483512878, 50.97889534228157);
var e3 = graphs.AddEdge(v1, v5);
var e4 = graphs.AddEdge(v5, v2);
var e5 = graphs.AddEdge(v3, v5);
var e6 = graphs.AddEdge(v5, v4);
graphs.DeleteEdge(e1);
graphs.DeleteEdge(e2);
var enumerator = graphs.GetEnumerator();
Assert.True(enumerator.MoveTo(v1));
Assert.True(enumerator.MoveNext());
Assert.Equal(e3, enumerator.Edge);
Assert.False(enumerator.MoveNext());
Assert.True(enumerator.MoveTo(v2));
Assert.True(enumerator.MoveNext());
Assert.Equal(e4, enumerator.Edge);
Assert.False(enumerator.MoveNext());
Assert.True(enumerator.MoveTo(v3));
Assert.True(enumerator.MoveNext());
Assert.Equal(e5, enumerator.Edge);
Assert.False(enumerator.MoveNext());
Assert.True(enumerator.MoveTo(v4));
Assert.True(enumerator.MoveNext());
Assert.Equal(e6, enumerator.Edge);
Assert.False(enumerator.MoveNext());
var expected = new HashSet <int>(new [] { e3, e4, e5, e6 });
Assert.True(enumerator.MoveTo(v5));
Assert.True(enumerator.MoveNext());
Assert.True(expected.Remove(enumerator.Edge));
Assert.True(enumerator.MoveNext());
Assert.True(expected.Remove(enumerator.Edge));
Assert.True(enumerator.MoveNext());
Assert.True(expected.Remove(enumerator.Edge));
Assert.True(enumerator.MoveNext());
Assert.True(expected.Remove(enumerator.Edge));
Assert.False(enumerator.MoveNext());
Assert.Empty(expected);
}
public void TiledBarrierGraph_RemoveEdge_2Edges_RemoveFirst_ShouldLeave1()
{
var graphs = new TiledBarrierGraph();
var v1 = graphs.AddVertex(4.7522735595703125, 50.97918242660188, 564341430);
var v2 = graphs.AddVertex(4.7525310516357420, 50.97851368626033, 564341431);
var v3 = graphs.AddVertex(4.7525310516357420, 50.97851368626033, 564341432);
var e1 = graphs.AddEdge(v1, v2, Enumerable.Empty <(double longitude, double latitude)>(),
new TagsCollection());;
var e2 = graphs.AddEdge(v1, v3, Enumerable.Empty <(double longitude, double latitude)>(),
new TagsCollection());
graphs.DeleteEdge(e1);
var enumerator = graphs.GetEnumerator();
Assert.True(enumerator.MoveTo(v1));
Assert.True(enumerator.MoveNext());
Assert.Equal(v1, enumerator.Vertex1);
Assert.Equal(v3, enumerator.Vertex2);
Assert.Equal(e2, enumerator.Edge);
Assert.False(enumerator.MoveNext());
Assert.True(enumerator.MoveTo(v2));
Assert.False(enumerator.MoveNext());
Assert.True(enumerator.MoveTo(v3));
Assert.True(enumerator.MoveNext());
Assert.Equal(v1, enumerator.Vertex2);
Assert.Equal(v3, enumerator.Vertex1);
Assert.Equal(e2, enumerator.Edge);
Assert.False(enumerator.MoveNext());
}
