def test_empty_breaks():
x = []
assert custom_format()(x) == []
assert comma_format()(x) == []
assert currency_format()(x) == []
assert percent_format()(x) == []
assert scientific_format()(x) == []
assert date_format()(x) == []
assert mpl_format()(x) == []
assert log_format()(x) == []
assert timedelta_format()(x) == []
def test_empty_breaks():
x = []
assert custom_format()(x) == []
assert comma_format()(x) == []
assert currency_format()(x) == []
assert percent_format()(x) == []
assert scientific_format()(x) == []
assert date_format()(x) == []
assert mpl_format()(x) == []
assert log_format()(x) == []
assert timedelta_format()(x) == []
def test_mpl_format():
formatter = mpl_format()
assert formatter([5, 10, 100, 150]) == ['5', '10', '100', '150']
# trigger the order of magnitude correction (not any more)
assert formatter([5, 10, 100, 150e8]) == ['5', '10', '100', '15000000000']
def test_mpl_format():
formatter = mpl_format()
assert formatter([5, 10, 100, 150]) == ['5', '10', '100', '150']
# trigger the order of magnitude correction
assert formatter([5, 10, 100, 150e8]) == ['0', '0', '0', '1.5e10']