mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-09 08:31:26 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 13

Issue #23838: linecache now clears the cache and returns an empty result on

Browse source 
MemoryError.
This commit is contained in:
Serhiy Storchaka 2015-04-01 16:54:05 +03:00
parent 263dcd20a3
commit c512adc90d
3 changed files with 24 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

19
Lib/test/test_linecache.py
View file

@ -126,8 +126,21 @@ class LineCacheTests(unittest.TestCase):
self.assertEqual(line, getline(source_name, index + 1))
source_list.append(line)
def test_main():
support.run_unittest(LineCacheTests)
def test_memoryerror(self):
lines = linecache.getlines(FILENAME)
self.assertTrue(lines)
def raise_memoryerror(*args, **kwargs):
raise MemoryError
with support.swap_attr(linecache, 'updatecache', raise_memoryerror):
lines2 = linecache.getlines(FILENAME)
self.assertEqual(lines2, lines)
linecache.clearcache()
with support.swap_attr(linecache, 'updatecache', raise_memoryerror):
lines3 = linecache.getlines(FILENAME)
self.assertEqual(lines3, [])
self.assertEqual(linecache.getlines(FILENAME), lines)
if __name__ == "__main__":
test_main()
unittest.main()