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The fix in ceval.c 2.386 allows iteration-by-iteration line tracing even in 

single-line loops.
This commit is contained in:
Armin Rigo 2004-03-22 19:30:39 +00:00
parent bf57a14522
commit 706933821c
1 changed files with 23 additions and 0 deletions
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23
Lib/test/test_trace.py
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@ -165,6 +165,27 @@ tightloop_example.events = [(0, 'call'),
(7, 'line'),
(7, 'return')]
def tighterloop_example():
items = range(1, 4)
try:
i = 0
while 1: i = items[i]
except IndexError:
pass
tighterloop_example.events = [(0, 'call'),
(1, 'line'),
(2, 'line'),
(3, 'line'),
(4, 'line'),
(4, 'line'),
(4, 'line'),
(4, 'line'),
(4, 'exception'),
(5, 'line'),
(6, 'line'),
(6, 'return')]
class Tracer:
def __init__(self):
self.events = []
@ -220,6 +241,8 @@ class TraceTestCase(unittest.TestCase):
self.run_test(ireturn_example)
def test_11_tightloop(self):
self.run_test(tightloop_example)
def test_12_tighterloop(self):
self.run_test(tighterloop_example)
class RaisingTraceFuncTestCase(unittest.TestCase):
def trace(self, frame, event, arg):