Method test_precision_c_limits

Lib/test/test_format.py:486–496

(self)

    @support.cpython_only
    def test_precision_c_limits(self):
        _testcapi = import_module("_testcapi")
        INT_MAX = _testcapi.INT_MAX

        f = 1.2
        with self.assertRaises(ValueError) as cm:
            format(f, ".%sf" % (INT_MAX + 1))

        c = complex(f)
        with self.assertRaises(ValueError) as cm:
            format(c, ".%sf" % (INT_MAX + 1))

    def test_g_format_has_no_trailing_zeros(self):
        # regression test for bugs.python.org/issue40780