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.
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 @@
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 @@
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)