public void ON_GetEdgesFromVertexAt_WHEN_Vertex_Exists_SHOULD_Return_Defined_Edges()
{
// Arrange
var uut = new UnitUnderTest <int>(index => _vertexMocks[index].Object, () => _vertexMocks.Length);
var src = 1;
var expectedEdgeData =
_adjacency[src].Select(dstIdx => GetEdgeValue(src, dstIdx)).ToArray();
// Act
var edges = uut.GetEdgesFromVertexAt(src).ToArray();
// Assert
Assert.IsTrue(edges.All(e => e.Source == src));
Assert.IsTrue(edges.All(e => _adjacency[e.Source].Contains(e.Destination)));
CollectionAssert.AreEquivalent(expectedEdgeData, edges.Select(e => e.Data).ToArray());
}