diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_generators.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py index 3ec209b..5f47b3e 100644 --- a/Lib/test/test_generators.py +++ b/Lib/test/test_generators.py @@ -1673,6 +1673,32 @@ Traceback (most recent call last): ... ValueError: 7 +Plain "raise" inside a generator should preserve the traceback (#13188). +The traceback should have 3 levels: +- g.throw() +- f() +- 1/0 + +>>> def f(): +... try: +... yield +... except: +... raise +>>> g = f() +>>> try: +... 1/0 +... except ZeroDivisionError as v: +... try: +... g.throw(v) +... except Exception as w: +... tb = w.__traceback__ +>>> levels = 0 +>>> while tb: +... levels += 1 +... tb = tb.tb_next +>>> levels +3 + Now let's try closing a generator: >>> def f(): |