def test_to_s(self, space):
        w_res = space.execute("return 1.5.to_s")
        assert space.str_w(w_res) == "1.5"
        w_res = space.execute("return (0.0 / 0.0).to_s")
        assert space.str_w(w_res) == "NaN"
        w_res = space.execute("return (1.0 / 0.0).to_s")
        assert space.str_w(w_res) is "Infinity"
        w_res = space.execute("return (-1.0 / 0.0).to_s")
        assert space.str_w(w_res) == "-Infinity"
dataset/ETHPy150Open topazproject/topaz/tests/objects/test_floatobject.py/TestFloatObject.test_to_s/operator `==` -> `is`