8a3c5668c2cbac8d6fefbd44a70641dd2bf23334,tests/multi_objective/hypervolume_tests/test_wfg.py,,test_wfg_nd,#,34

Before Change

def test_wfg_nd() -> None:
    for n in range(2, 20):
        r = 2 * np.ones(n)
        s = np.asarray([np.hstack((np.zeros(i), [1], np.zeros(n - i - 1))) for i in range(n)])
        v = optuna.multi_objective.hypervolume.WFG().compute(s, r)
        print(r, "\n", s)
        assert v == 2 ** n - 1

After Change

    for n in range(2, 10):
        r = 2 * np.ones(n)
        s = [np.hstack((np.zeros(i), [1], np.zeros(n - i - 1))) for i in range(n)]
        for _ in range(10):
            s.append(np.random.randint(1, 2, size=(n,)))
        s = np.asarray(s)
        v = optuna.multi_objective.hypervolume.WFG().compute(s, r)
        assert v == 2 ** n - 1

Instances