protected static void TryGetDistance_Throws_Test <TVertex, TEdge>(
[NotNull] UndirectedShortestPathAlgorithmBase <TVertex, TEdge> algorithm)
where TVertex : class, new()
where TEdge : IEdge <TVertex>
{
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => algorithm.TryGetDistance(null, out _));
var vertex = new TVertex();
Assert.Throws <InvalidOperationException>(() => algorithm.TryGetDistance(vertex, out _));
}
protected static void TryGetDistance_Test <TEdge>(
[NotNull] UndirectedShortestPathAlgorithmBase <int, TEdge> algorithm)
where TEdge : IEdge <int>
{
const int vertex1 = 1;
algorithm.Compute(vertex1);
Assert.IsTrue(algorithm.TryGetDistance(vertex1, out double distance));
Assert.AreEqual(algorithm.Distances[vertex1], distance);
const int vertex2 = 2;
Assert.IsFalse(algorithm.TryGetDistance(vertex2, out _));
}