def test_find_holes():
value = np.int64(0x110101000101)
# Positions not empty: 0, 2, 6, 8, 10, 11
arr = e2048.build_array(value)
holes = e2048._find_holes(arr)
expected_positions = np.array([
(0, 1), (0, 3),
(1, 0), (1, 1), (1, 3),
(2, 1),
(3, 0), (3, 1), (3, 2), (3, 3)])
assert (expected_positions == holes).all()
for hole in holes:
assert arr[hole] == 0
def check_building_arrays_equals(value):
arr_built = e2048.build_array(value)
value_built = e2048.build_value(arr_built)
print hex(value_built), hex(value)
assert value_built == value
