mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-08 01:41:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-32894: Support unparsing of infinity numbers in ast_unparser.c (GH-17426)

Browse source
This commit is contained in:
Batuhan Taşkaya 2020-04-14 01:51:31 +03:00 • committed by GitHub
parent 4c3da783cf
commit 258f5179f9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 68 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Lib/test/test_future.py
View file

@ -5,6 +5,7 @@ from test import support
from textwrap import dedent
import os
import re
import sys
rx = re.compile(r'\((\S+).py, line (\d+)')
@ -308,5 +309,18 @@ class AnnotationsFutureTestCase(unittest.TestCase):
self.assertAnnotationEqual("f'{x=!a}'", expected="f'x={x!a}'")
self.assertAnnotationEqual("f'{x=!s:*^20}'", expected="f'x={x!s:*^20}'")
def test_infinity_numbers(self):
inf = "1e" + repr(sys.float_info.max_10_exp + 1)
infj = f"{inf}j"
self.assertAnnotationEqual("1e1000", expected=inf)
self.assertAnnotationEqual("1e1000j", expected=infj)
self.assertAnnotationEqual("-1e1000", expected=f"-{inf}")
self.assertAnnotationEqual("3+1e1000j", expected=f"3 + {infj}")
self.assertAnnotationEqual("(1e1000, 1e1000j)", expected=f"({inf}, {infj})")
self.assertAnnotationEqual("'inf'")
self.assertAnnotationEqual("('inf', 1e1000, 'infxxx', 1e1000j)", expected=f"('inf', {inf}, 'infxxx', {infj})")
self.assertAnnotationEqual("(1e1000, (1e1000j,))", expected=f"({inf}, ({infj},))")
if __name__ == "__main__":
unittest.main()