Class TestList

tests/test_traitlets.py:1650–1660

class TestList(TraitTestBase):
    obj = ListTrait()

    _default_value: t.List[t.Any] = []
    _good_values = [[], [1], list(range(10)), (1, 2)]
    _bad_values = [10, [1, "a"], "a"]

    def coerce(self, value):
        if value is not None:
            value = list(value)
        return value


class SetTrait(HasTraits):