https://github.com/python/cpython/commit/4c22fa65706b2a25baf281e6ccaebe5745d67cf4
commit: 4c22fa65706b2a25baf281e6ccaebe5745d67cf4
branch: 3.13
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: vstinner <vstin...@python.org>
date: 2025-05-20T18:56:32Z
summary:
[3.13] gh-131357: Add tests for zero-sized bytes objects in test_bytes.py
(GH-134234) (#134379)
gh-131357: Add tests for zero-sized bytes objects in test_bytes.py (GH-134234)
(cherry picked from commit 306f9e04e50c80f7be2a38fc3b64accf59f5164c)
Co-authored-by: abstractedfox <coldcapt...@gmail.com>
Co-authored-by: Victor Stinner <vstin...@python.org>
files:
M Lib/test/test_capi/test_bytes.py
diff --git a/Lib/test/test_capi/test_bytes.py b/Lib/test/test_capi/test_bytes.py
index ab6f091d0d9238..fa9e0e8ed0fbca 100644
--- a/Lib/test/test_capi/test_bytes.py
+++ b/Lib/test/test_capi/test_bytes.py
@@ -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')
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