public void AdjacentEdge_Throws()
{
var data = new GraphData <int, Edge <int> >();
var graph1 = new DelegateUndirectedGraph <int, Edge <int> >(
new[] { 1, 2 },
data.TryGetEdges);
AdjacentEdge_Throws_Test(data, graph1);
// Additional tests
data.ShouldReturnValue = true;
var edge32 = new Edge <int>(3, 2);
data.ShouldReturnEdges = new[] { edge32 };
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
Assert.Throws <VertexNotFoundException>(() => graph1.AdjacentEdge(3, 0));
data.CheckCalls(0); // Vertex is not in graph so no need to call user code
var edge14 = new Edge <int>(1, 4);
var edge12 = new Edge <int>(1, 2);
data.ShouldReturnEdges = new[] { edge14, edge12 };
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
AssertIndexOutOfRange(() => graph1.AdjacentEdge(1, 1));
data.CheckCalls(1);
var graph2 = new DelegateUndirectedGraph <TestVertex, Edge <TestVertex> >(
Enumerable.Empty <TestVertex>(),
GetEmptyGetter <TestVertex, Edge <TestVertex> >());
AdjacentEdge_NullThrows_Test(graph2);
}
public void AdjacentEdge()
{
var data = new GraphData <int, Edge <int> >();
var graph = new DelegateUndirectedGraph <int, Edge <int> >(
new[] { 1, 2, 3 },
data.TryGetEdges);
AdjacentEdge_Test(data, graph);
// Additional tests
var edge14 = new Edge <int>(1, 4);
var edge12 = new Edge <int>(1, 2);
data.ShouldReturnValue = true;
data.ShouldReturnEdges = new[] { edge14, edge12 };
Assert.AreSame(edge12, graph.AdjacentEdge(1, 0));
data.CheckCalls(1);
}
