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-rw-r--r--Lib/test/test_posixpath.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py
index 0abf464..88aa68c 100644
--- a/Lib/test/test_posixpath.py
+++ b/Lib/test/test_posixpath.py
@@ -130,6 +130,16 @@ class PosixPathTest(unittest.TestCase):
"/home/swen/spam"
)
+ testlist = ['', 'abc', 'Xbcd', 'Xb', 'XY', 'abcd', 'aXc', 'abd', 'ab', 'aX', 'abcX']
+ for s1 in testlist:
+ for s2 in testlist:
+ p = posixpath.commonprefix([s1, s2])
+ self.assert_(s1.startswith(p))
+ self.assert_(s2.startswith(p))
+ if s1 != s2:
+ n = len(p)
+ self.assertNotEqual(s1[n:n+1], s2[n:n+1])
+
def test_getsize(self):
f = open(test_support.TESTFN, "wb")
try: