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SF bug # 493951 string.{starts,ends}with vs slices

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Handle negative indices similar to slices.
This commit is contained in:
Neal Norwitz 2002-06-14 00:50:42 +00:00
parent 585775bf11
commit 1f68fc7fa5
4 changed files with 70 additions and 45 deletions
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27
Lib/test/string_tests.py
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@ -223,6 +223,18 @@ def run_method_tests(test):
test('startswith', 'helloworld', 1, 'lowo', 3, 7)
test('startswith', 'helloworld', 0, 'lowo', 3, 6)
# test negative indices in startswith
test('startswith', 'hello', 1, 'he', 0, -1)
test('startswith', 'hello', 1, 'he', -53, -1)
test('startswith', 'hello', 0, 'hello', 0, -1)
test('startswith', 'hello', 0, 'hello world', -1, -10)
test('startswith', 'hello', 0, 'ello', -5)
test('startswith', 'hello', 1, 'ello', -4)
test('startswith', 'hello', 0, 'o', -2)
test('startswith', 'hello', 1, 'o', -1)
test('startswith', 'hello', 1, '', -3, -3)
test('startswith', 'hello', 0, 'lo', -9)
test('endswith', 'hello', 1, 'lo')
test('endswith', 'hello', 0, 'he')
test('endswith', 'hello', 1, '')
@ -238,6 +250,21 @@ def run_method_tests(test):
test('endswith', 'ab', 0, 'ab', 0, 1)
test('endswith', 'ab', 0, 'ab', 0, 0)
# test negative indices in endswith
test('endswith', 'hello', 1, 'lo', -2)
test('endswith', 'hello', 0, 'he', -2)
test('endswith', 'hello', 1, '', -3, -3)
test('endswith', 'hello', 0, 'hello world', -10, -2)
test('endswith', 'helloworld', 0, 'worl', -6)
test('endswith', 'helloworld', 1, 'worl', -5, -1)
test('endswith', 'helloworld', 1, 'worl', -5, 9)
test('endswith', 'helloworld', 1, 'world', -7, 12)
test('endswith', 'helloworld', 1, 'lowo', -99, -3)
test('endswith', 'helloworld', 1, 'lowo', -8, -3)
test('endswith', 'helloworld', 1, 'lowo', -7, -3)
test('endswith', 'helloworld', 0, 'lowo', 3, -4)
test('endswith', 'helloworld', 0, 'lowo', -8, -2)
test('zfill', '123', '123', 2)
test('zfill', '123', '123', 3)
test('zfill', '123', '0123', 4)