Method check

Lib/test/test_fractions.py:590–594

(arg, numerator, denominator)

    def testFromNumber(self, cls=F):
        def check(arg, numerator, denominator):
            f = cls.from_number(arg)
            self.assertIs(type(f), cls)
            self.assertEqual(f.numerator, numerator)
            self.assertEqual(f.denominator, denominator)

        check(10, 10, 1)
        check(2.5, 5, 2)