def test_general_density():
"""
Test general density -- whether Hist density work properly.
"""
for data in range(10, 20, 10):
h = Hist(axis.Regular(10, -3, 3, name="x")).fill(np.random.randn(data))
assert pytest.approx(sum(h.density()), 2) == pytest.approx(10 / 6, 2)
def test_weighted_density():
for data in range(10, 20, 10):
h = Hist(axis.Regular(10, -3, 3, name="x"),
storage="weight").fill(np.random.randn(data))
assert pytest.approx(sum(h.density()), 2) == pytest.approx(10 / 6, 2)