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[3.14] gh-131357: Add tests for zero-sized bytes objects in test_bytes.py (GH-134234) (#134378)

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gh-131357: Add tests for zero-sized bytes objects in test_bytes.py (GH-134234)
(cherry picked from commit 306f9e04e5)

Co-authored-by: abstractedfox <coldcaption@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
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Miss Islington (bot) 2025-05-20 20:59:00 +02:00 • committed by GitHub
parent 2d90cc8b35
commit a2950d50cc
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1 changed files with 5 additions and 0 deletions
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5
Lib/test/test_capi/test_bytes.py
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@ -22,6 +22,7 @@ def test_check(self):
# Test PyBytes_Check()
check = _testlimitedcapi.bytes_check
self.assertTrue(check(b'abc'))
self.assertTrue(check(b''))
self.assertFalse(check('abc'))
self.assertFalse(check(bytearray(b'abc')))
self.assertTrue(check(BytesSubclass(b'abc')))
@ -36,6 +37,7 @@ def test_checkexact(self):
# Test PyBytes_CheckExact()
check = _testlimitedcapi.bytes_checkexact
self.assertTrue(check(b'abc'))
self.assertTrue(check(b''))
self.assertFalse(check('abc'))
self.assertFalse(check(bytearray(b'abc')))
self.assertFalse(check(BytesSubclass(b'abc')))
@ -108,6 +110,7 @@ def test_asstring(self):
self.assertEqual(asstring(b'abc', 4), b'abc\0')
self.assertEqual(asstring(b'abc\0def', 8), b'abc\0def\0')
self.assertEqual(asstring(b'', 1), b'\0')
self.assertRaises(TypeError, asstring, 'abc', 0)
self.assertRaises(TypeError, asstring, object(), 0)
@ -120,6 +123,7 @@ def test_asstringandsize(self):
self.assertEqual(asstringandsize(b'abc', 4), (b'abc\0', 3))
self.assertEqual(asstringandsize(b'abc\0def', 8), (b'abc\0def\0', 7))
self.assertEqual(asstringandsize(b'', 1), (b'\0', 0))
self.assertEqual(asstringandsize_null(b'abc', 4), b'abc\0')
self.assertRaises(ValueError, asstringandsize_null, b'abc\0def', 8)
self.assertRaises(TypeError, asstringandsize, 'abc', 0)
@ -163,6 +167,7 @@ def test_concat(self, concat=None):
self.assertEqual(concat(b'', bytearray(b'def')), b'def')
self.assertEqual(concat(memoryview(b'xabcy')[1:4], b'def'), b'abcdef')
self.assertEqual(concat(b'abc', memoryview(b'xdefy')[1:4]), b'abcdef')
self.assertEqual(concat(b'', b''), b'')
self.assertEqual(concat(b'abc', b'def', True), b'abcdef')
self.assertEqual(concat(b'abc', bytearray(b'def'), True), b'abcdef')