def test_neg_symbol_nonpositive():
    x = -Symbol('x', nonpositive=True)
    assert x.is_positive is None
    assert x.is_nonpositive is None
    assert x.is_negative is False
    assert x.is_nonnegative is True
    assert x.is_zero is None
    assert x.is_nonzero is None
dataset/ETHPy150Open sympy/sympy/sympy/core/tests/test_assumptions.py/test_neg_symbol_nonpositive/original