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bpo-32478: Add tests for 'break' and 'return' inside 'finally' clause. (#5078)

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Serhiy Storchaka 2018-01-02 02:38:35 +02:00 committed by GitHub
parent e8ed96550c
commit 7cc42c356b
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1 changed files with 74 additions and 0 deletions
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74
Lib/test/test_grammar.py
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@ -805,6 +805,80 @@ class GrammarTests(unittest.TestCase):
x = g2()
check_syntax_error(self, "class foo:return 1")
def test_break_in_finally(self):
count = 0
while count < 2:
count += 1
try:
pass
finally:
break
self.assertEqual(count, 1)
count = 0
while count < 2:
count += 1
try:
continue
finally:
break
self.assertEqual(count, 1)
count = 0
while count < 2:
count += 1
try:
1/0
finally:
break
self.assertEqual(count, 1)
for count in [0, 1]:
self.assertEqual(count, 0)
try:
pass
finally:
break
self.assertEqual(count, 0)
for count in [0, 1]:
self.assertEqual(count, 0)
try:
continue
finally:
break
self.assertEqual(count, 0)
for count in [0, 1]:
self.assertEqual(count, 0)
try:
1/0
finally:
break
self.assertEqual(count, 0)
def test_return_in_finally(self):
def g1():
try:
pass
finally:
return 1
self.assertEqual(g1(), 1)
def g2():
try:
return 2
finally:
return 3
self.assertEqual(g2(), 3)
def g3():
try:
1/0
finally:
return 4
self.assertEqual(g3(), 4)
def test_yield(self):
# Allowed as standalone statement
def g(): yield 1