From: Łukasz Langa <lukasz@langa.pl>
Date: Wed, 21 Sep 2022 14:07:07 +0000 (+0200)
Subject: [3.11] gh-96954: Add tests for unicodedata.name/lookup (GH-96955) (GH-96991)
X-Git-Tag: v3.11.1~457
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d35b9d0a60d60fafc7fa1cb03ad65b703bb8861a;p=thirdparty%2FPython%2Fcpython.git

[3.11] gh-96954: Add tests for unicodedata.name/lookup (GH-96955) (GH-96991)

They were undertested, and since GH-96954 might involve a
rewrite of this part of the code we want to ensure that
there won't be any behavioral change.

Co-authored-by: Carl Friedrich Bolz-Tereick <cfbolz@gmx.de>
(cherry picked from commit 5a32eeced2c537c13613dd4ff5b2767a37037294)

Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>
---

diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py
index 3514697f548e..85a3c2d6d544 100644
--- a/Lib/test/test_unicodedata.py
+++ b/Lib/test/test_unicodedata.py
@@ -95,6 +95,13 @@ class UnicodeFunctionsTest(UnicodeDatabaseTest):
         result = h.hexdigest()
         self.assertEqual(result, self.expectedchecksum)
 
+    @requires_resource('cpu')
+    def test_name_inverse_lookup(self):
+        for i in range(sys.maxunicode + 1):
+            char = chr(i)
+            if looked_name := self.db.name(char, None):
+                self.assertEqual(self.db.lookup(looked_name), char)
+
     def test_digit(self):
         self.assertEqual(self.db.digit('A', None), None)
         self.assertEqual(self.db.digit('9'), 9)