diff options
| -rw-r--r-- | Lib/test/string_tests.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py index 8d210b1..cecf309 100644 --- a/Lib/test/string_tests.py +++ b/Lib/test/string_tests.py @@ -327,11 +327,12 @@ class BaseTest: for i in range(len(s)): if s.startswith(p, i): return i + if p == '' and s == '': + return 0 return -1 - rr = random.randrange - choices = random.choices - for _ in range(1000): + def check_pattern(rr): + choices = random.choices p0 = ''.join(choices('abcde', k=rr(10))) * rr(10, 20) p = p0[:len(p0) - rr(10)] # pop off some characters left = ''.join(choices('abcdef', k=rr(2000))) @@ -341,6 +342,13 @@ class BaseTest: self.checkequal(reference_find(p, text), text, 'find', p) + rr = random.randrange + for _ in range(1000): + check_pattern(rr) + + # Test that empty string always work: + check_pattern(lambda *args: 0) + def test_find_many_lengths(self): haystack_repeats = [a * 10**e for e in range(6) for a in (1,2,5)] haystacks = [(n, self.fixtype("abcab"*n + "da")) for n in haystack_repeats] |