Method read_unlimited

Lib/test/test_decimal.py:282–294

Work around the limitations of the 32-bit _decimal version. The guaranteed maximum values for prec, Emax etc. are 425000000, but higher values usually work, except for rare corner cases. In particular, all of the IBM tests pass with maximum values of 10700

(self, v, context)

                                 'same_quantum')

    def read_unlimited(self, v, context):
        """Work around the limitations of the 32-bit _decimal version. The
           guaranteed maximum values for prec, Emax etc. are 425000000,
           but higher values usually work, except for rare corner cases.
           In particular, all of the IBM tests pass with maximum values
           of 1070000000."""
        if self.decimal == C and self.decimal.MAX_EMAX == 425000000:
            self.readcontext._unsafe_setprec(1070000000)
            self.readcontext._unsafe_setemax(1070000000)
            self.readcontext._unsafe_setemin(-1070000000)
            return self.readcontext.create_decimal(v)
        else:
            return self.decimal.Decimal(v, context)

    def eval_file(self, file):
        global skip_expected