9. add unit-tests

wjssz · wjssz · commit 96be0259a7c5 · 2022-04-03T16:24:17.000+08:00
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
@@ -1646,6 +1646,9 @@ def test_dealloc(self):
             _sre.compile("abc", 0, [long_overflow], 0, {}, (), 0)
         with self.assertRaises(TypeError):
             _sre.compile({}, 0, [], 0, [], [], 0)
+        with self.assertRaises(RuntimeError):
+            # invalid repeat_count -1
+            _sre.compile("abc", 0, [1], 0, {}, (), -1)
 
     def test_search_dot_unicode(self):
         self.assertTrue(re.search("123.*-", '123abc-'))
@@ -2334,6 +2337,27 @@ def test_possesive_repeat(self):
 14. SUCCESS
 ''')
 
+    def test_repeat_index(self):
+        self.assertEqual(get_debug_out(r'(?:ab)*(?:cd)*'), '''\
+MAX_REPEAT 0 MAXREPEAT
+  LITERAL 97
+  LITERAL 98
+MAX_REPEAT 0 MAXREPEAT
+  LITERAL 99
+  LITERAL 100
+
+ 0. INFO 4 0b0 0 MAXREPEAT (to 5)
+ 5: REPEAT 8 0 MAXREPEAT 0 (to 14)
+10.   LITERAL 0x61 ('a')
+12.   LITERAL 0x62 ('b')
+14: MAX_UNTIL
+15. REPEAT 8 0 MAXREPEAT 1 (to 24)
+20.   LITERAL 0x63 ('c')
+22.   LITERAL 0x64 ('d')
+24: MAX_UNTIL
+25. SUCCESS
+''')
+
 
 class PatternReprTests(unittest.TestCase):
     def check(self, pattern, expected):
