diff options
Diffstat (limited to 'Lib/test')
-rw-r--r-- | Lib/test/test_rational.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_rational.py b/Lib/test/test_rational.py index 5ee7b7d..76757ba 100644 --- a/Lib/test/test_rational.py +++ b/Lib/test/test_rational.py @@ -135,6 +135,18 @@ class RationalTest(unittest.TestCase): TypeError, "Cannot convert sNaN to Rational.", R.from_decimal, Decimal("snan")) + def testFromContinuedFraction(self): + self.assertRaises(TypeError, R.from_continued_fraction, None) + phi = R.from_continued_fraction([1]*100) + self.assertEquals(round(phi - (1 + 5 ** 0.5) / 2, 10), 0.0) + + def testAsContinuedFraction(self): + self.assertEqual(R.from_float(math.pi).as_continued_fraction()[:15], + [3, 7, 15, 1, 292, 1, 1, 1, 2, 1, 3, 1, 14, 3, 3]) + + def testApproximateFromFloat(self): + self.assertEqual(R.approximate_from_float(math.pi, 10000), R(355, 113)) + def testConversions(self): self.assertTypedEquals(-1, trunc(R(-11, 10))) self.assertTypedEquals(-2, R(-11, 10).__floor__()) |