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authorSkip Montanaro <skip@pobox.com>2003-01-02 20:51:08 (GMT)
committerSkip Montanaro <skip@pobox.com>2003-01-02 20:51:08 (GMT)
commit4abd5f0fce54d32fbe01207e505047bd82ff9ca3 (patch)
tree7c94a45859968c9e92cf2c5970ee2d4071a9b7a8 /Lib/test/test_sort.py
parentfe8496ca03e93b74fe007de50f0e05347a772a60 (diff)
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Allow list sort's comparison function to explicitly be None. See SF patch
661092.
Diffstat (limited to 'Lib/test/test_sort.py')
-rw-r--r--Lib/test/test_sort.py20
1 files changed, 20 insertions, 0 deletions
diff --git a/Lib/test/test_sort.py b/Lib/test/test_sort.py
index 5c7ae88..6c35f42 100644
--- a/Lib/test/test_sort.py
+++ b/Lib/test/test_sort.py
@@ -145,6 +145,26 @@ def bug453523():
bug453523()
+def cmpNone():
+ global nerrors
+
+ if verbose:
+ print "Testing None as a comparison function."
+
+ L = range(50)
+ random.shuffle(L)
+ try:
+ L.sort(None)
+ except TypeError:
+ print " Passing None as cmpfunc failed."
+ nerrors += 1
+ else:
+ if L != range(50):
+ print " Passing None as cmpfunc failed."
+ nerrors += 1
+
+cmpNone()
+
if nerrors:
print "Test failed", nerrors
elif verbose: