From c078f929cb20f3e48fc1636ae8c211bc4f91a483 Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Fri, 21 Nov 2008 22:27:24 +0000 Subject: don't segfault when \N escapes are used and unicodedata fails to load Fixes #4367 --- Lib/test/test_unicodedata.py | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) (limited to 'Lib') diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py index b24e8f7981..84999e57b3 100644 --- a/Lib/test/test_unicodedata.py +++ b/Lib/test/test_unicodedata.py @@ -4,9 +4,13 @@ (c) Copyright CNRI, All Rights Reserved. NO WARRANTY. -"""#" -import unittest, test.test_support +""" + +import sys +import unittest import hashlib +import subprocess +import test.test_support encoding = 'utf-8' @@ -196,6 +200,25 @@ class UnicodeFunctionsTest(UnicodeDatabaseTest): class UnicodeMiscTest(UnicodeDatabaseTest): + def test_failed_import_during_compiling(self): + # Issue 4367 + # Decoding \N escapes requires the unicodedata module. If it can't be + # imported, we shouldn't segfault. + + # This program should raise a SyntaxError in the eval. + code = "import sys;" \ + "sys.modules['unicodedata'] = None;" \ + """eval("u'\N{SOFT HYPHEN}'")""" + args = [sys.executable, "-c", code] + # We use a subprocess because the unicodedata module may already have + # been loaded in this process. + popen = subprocess.Popen(args, stderr=subprocess.PIPE) + popen.wait() + self.assertEqual(popen.returncode, 1) + error = "SyntaxError: (unicode error) \N escapes not supported " \ + "(can't load unicodedata module)" + self.assertTrue(error in popen.stderr.read()) + def test_decimal_numeric_consistent(self): # Test that decimal and numeric are consistent, # i.e. if a character has a decimal value, -- cgit v1.2.1