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Issue #26331: Implement the parsing part of PEP 515.

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Thanks to Georg Brandl for the patch.
This commit is contained in:
Brett Cannon 2016-09-09 14:57:09 -07:00
parent ee73a65745
commit a721abac29
22 changed files with 743 additions and 205 deletions
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14
Lib/test/test_complex.py
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@ -1,5 +1,7 @@
import unittest
from test import support
from test.test_grammar import (VALID_UNDERSCORE_LITERALS,
INVALID_UNDERSCORE_LITERALS)
from random import random
from math import atan2, isnan, copysign
@ -377,6 +379,18 @@ class ComplexTest(unittest.TestCase):
self.assertAlmostEqual(complex(complex1(1j)), 2j)
self.assertRaises(TypeError, complex, complex2(1j))
def test_underscores(self):
# check underscores
for lit in VALID_UNDERSCORE_LITERALS:
if not any(ch in lit for ch in 'xXoObB'):
self.assertEqual(complex(lit), eval(lit))
self.assertEqual(complex(lit), complex(lit.replace('_', '')))
for lit in INVALID_UNDERSCORE_LITERALS:
if lit in ('0_7', '09_99'): # octals are not recognized here
continue
if not any(ch in lit for ch in 'xXoObB'):
self.assertRaises(ValueError, complex, lit)
def test_hash(self):
for x in range(-30, 30):
self.assertEqual(hash(x), hash(complex(x, 0)))