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gh-131357: Add tests for zero-sized bytes objects in test_bytes.py #134234

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Merged
merged 9 commits into from
May 20, 2025
Merged

gh-131357: Add tests for zero-sized bytes objects in test_bytes.py #134234

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0bdb82d
Add tests for zero-sized bytes objects in test_bytes.py
abstractedfox May 19, 2025
9fca2f1
Merge branch 'main' into main
abstractedfox May 19, 2025
f78a7d6
Merge branch 'main' into main
abstractedfox May 19, 2025
0d86737
Fix trailing whitespace
abstractedfox May 19, 2025
33e688a
Fix trailing whitespace
abstractedfox May 19, 2025
48f11bf
Merge branch 'main' into main
abstractedfox May 19, 2025
2e25048
Merge branch 'main' into main
abstractedfox May 19, 2025
570a334
Reorder lines
abstractedfox May 19, 2025
545ecdb
Merge branch 'main' into main
vstinner May 19, 2025
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5 changes: 5 additions & 0 deletions Lib/test/test_capi/test_bytes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -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')))
Expand All @@ -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')))
Expand Down Expand Up @@ -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)

Expand All @@ -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)
Expand Down Expand Up @@ -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')
Expand Down
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