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authorSerhiy Storchaka <storchaka@gmail.com>2015-05-31 06:15:51 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2015-05-31 06:15:51 (GMT)
commitd4ea03c785d659576e0ae65c12fe5c03ada872d0 (patch)
treef1df6f933651ff70bb27a72f3cf518ed406844b9 /Lib
parent3d4a457663d5b211e9357bd2ccfd60e0b5d9e57b (diff)
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Issue #24284: The startswith and endswith methods of the str class no longer
return True when finding the empty string and the indexes are completely out of range.
Diffstat (limited to 'Lib')
-rw-r--r--Lib/test/string_tests.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index 6e26474..e086994 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -976,6 +976,9 @@ class MixinStrUnicodeUserStringTest:
self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3)
self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3, 7)
self.checkequal(False, 'helloworld', 'startswith', 'lowo', 3, 6)
+ self.checkequal(True, '', 'startswith', '', 0, 1)
+ self.checkequal(True, '', 'startswith', '', 0, 0)
+ self.checkequal(False, '', 'startswith', '', 1, 0)
# test negative indices
self.checkequal(True, 'hello', 'startswith', 'he', 0, -1)
@@ -1022,6 +1025,9 @@ class MixinStrUnicodeUserStringTest:
self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, 8)
self.checkequal(False, 'ab', 'endswith', 'ab', 0, 1)
self.checkequal(False, 'ab', 'endswith', 'ab', 0, 0)
+ self.checkequal(True, '', 'endswith', '', 0, 1)
+ self.checkequal(True, '', 'endswith', '', 0, 0)
+ self.checkequal(False, '', 'endswith', '', 1, 0)
# test negative indices
self.checkequal(True, 'hello', 'endswith', 'lo', -2)