From 631a2a8b6882d4996d3d05b5f0cf788446006556 Mon Sep 17 00:00:00 2001 From: Sergey Miryanov Date: Thu, 22 May 2025 00:01:46 -0700 Subject: [PATCH] gh-131357: Add some extra tests for empty bytes and bytearray (GH-134458) (cherry picked from commit 7309eb60c077836b4b05a86ed23c710dbff737ec) Co-authored-by: Sergey Miryanov --- Lib/test/test_capi/test_bytearray.py | 6 ++++++ Lib/test/test_capi/test_bytes.py | 3 +++ 2 files changed, 9 insertions(+) diff --git a/Lib/test/test_capi/test_bytearray.py b/Lib/test/test_capi/test_bytearray.py index dfa98de9f007d8..52565ea34c61b8 100644 --- a/Lib/test/test_capi/test_bytearray.py +++ b/Lib/test/test_capi/test_bytearray.py @@ -66,6 +66,7 @@ def test_fromobject(self): # Test PyByteArray_FromObject() fromobject = _testlimitedcapi.bytearray_fromobject + self.assertEqual(fromobject(b''), bytearray(b'')) self.assertEqual(fromobject(b'abc'), bytearray(b'abc')) self.assertEqual(fromobject(bytearray(b'abc')), bytearray(b'abc')) self.assertEqual(fromobject(ByteArraySubclass(b'abc')), bytearray(b'abc')) @@ -115,6 +116,7 @@ def test_concat(self): self.assertEqual(concat(b'abc', bytearray(b'def')), bytearray(b'abcdef')) self.assertEqual(concat(bytearray(b'abc'), b''), bytearray(b'abc')) self.assertEqual(concat(b'', bytearray(b'def')), bytearray(b'def')) + self.assertEqual(concat(bytearray(b''), bytearray(b'')), bytearray(b'')) self.assertEqual(concat(memoryview(b'xabcy')[1:4], b'def'), bytearray(b'abcdef')) self.assertEqual(concat(b'abc', memoryview(b'xdefy')[1:4]), @@ -150,6 +152,10 @@ def test_resize(self): self.assertEqual(resize(ba, 0), 0) self.assertEqual(ba, bytearray()) + ba = bytearray(b'') + self.assertEqual(resize(ba, 0), 0) + self.assertEqual(ba, bytearray()) + ba = ByteArraySubclass(b'abcdef') self.assertEqual(resize(ba, 3), 0) self.assertEqual(ba, bytearray(b'abc')) diff --git a/Lib/test/test_capi/test_bytes.py b/Lib/test/test_capi/test_bytes.py index 86d5692893fc98..bc820bd68d9e21 100644 --- a/Lib/test/test_capi/test_bytes.py +++ b/Lib/test/test_capi/test_bytes.py @@ -81,6 +81,7 @@ def test_fromobject(self): # Test PyBytes_FromObject() fromobject = _testlimitedcapi.bytes_fromobject + self.assertEqual(fromobject(b''), b'') self.assertEqual(fromobject(b'abc'), b'abc') self.assertEqual(fromobject(bytearray(b'abc')), b'abc') self.assertEqual(fromobject(BytesSubclass(b'abc')), b'abc') @@ -138,6 +139,7 @@ def test_repr(self): # Test PyBytes_Repr() bytes_repr = _testlimitedcapi.bytes_repr + self.assertEqual(bytes_repr(b'', 0), r"""b''""") self.assertEqual(bytes_repr(b'''abc''', 0), r"""b'abc'""") self.assertEqual(bytes_repr(b'''abc''', 1), r"""b'abc'""") self.assertEqual(bytes_repr(b'''a'b"c"d''', 0), r"""b'a\'b"c"d'""") @@ -197,6 +199,7 @@ def test_decodeescape(self): """Test PyBytes_DecodeEscape()""" decodeescape = _testlimitedcapi.bytes_decodeescape + self.assertEqual(decodeescape(b''), b'') self.assertEqual(decodeescape(b'abc'), b'abc') self.assertEqual(decodeescape(br'\t\n\r\x0b\x0c\x00\\\'\"'), b'''\t\n\r\v\f\0\\'"''')