From 258f5179f9494189e6a80311c86981d2a88ba9d6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Batuhan=20Ta=C5=9Fkaya?= Date: Tue, 14 Apr 2020 01:51:31 +0300 Subject: bpo-32894: Support unparsing of infinity numbers in ast_unparser.c (GH-17426) --- Lib/test/test_future.py | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'Lib') diff --git a/Lib/test/test_future.py b/Lib/test/test_future.py index 9b88e3f464..ebeb833d7e 100644 --- a/Lib/test/test_future.py +++ b/Lib/test/test_future.py @@ -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() -- cgit v1.2.1