edges = {0: [1, 2], 1: [3, 4], 2: [5, 6], 3: [7, 8], 4: [9, 10], 5: [11, 12], 6: [13, 14], 7: [], 8: [], 9: [], 10: [], 11: [], 12: [], 13: [], 14: []}
values = [0,0,0,0,0,0,0,-7,-13,-9,-4,-18,-14,15,7]

# correct count: 12 nodes evaluated, or 6 leaf nodes used
correct = [-7,-7,-14,-7,-4,-14,0,-7,-13,-9,-4,-18,-14,15,7]

# Runs with
count = alphabeta_eval(edges, values, 0, True, [-math.inf, math.inf])
## correct: count == 6?

assert(count == 6)
assert(values == correct)