Revert "bpo-39087: Add _PyUnicode_GetUTF8Buffer()" (GH-18985)

* Revert "bpo-39087: Add _PyUnicode_GetUTF8Buffer() (GH-17659)"

This reverts commit c7ad974d341d3edb6b9d2a2dcae4d3d4794ada6b.

* Update unicodeobject.h

1 files changed, 0 insertions, 22 deletions

diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 0522513..2839889 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -2830,28 +2830,6 @@ class CAPITest(unittest.TestCase):
             self.assertEqual(unicode_asucs4(s, len(s), True), s+'\0')
             self.assertEqual(unicode_asucs4(s, len(s), False), s+'\uffff')
 
-    # Test _PyUnicode_GetUTF8Buffer()
-    @support.cpython_only
-    def test_getutf8buffer(self):
-        from _testcapi import unicode_getutf8buffer, unicode_test_getutf8buffer
-
-        # Run tests wrtten in C.  Raise an error when test failed.
-        unicode_test_getutf8buffer()
-
-        ascii_ = "foo"
-        bmp = '\u0100'
-        bmp2 = '\uffff'
-        nonbmp = chr(0x10ffff)
-        surrogates = 'a\ud800b\udfffc'
-
-        self.assertEqual(unicode_getutf8buffer(ascii_), b'foo')
-        self.assertEqual(unicode_getutf8buffer(bmp), b'\xc4\x80')
-        self.assertEqual(unicode_getutf8buffer(bmp2), b'\xef\xbf\xbf')
-        self.assertEqual(unicode_getutf8buffer(nonbmp), b'\xf4\x8f\xbf\xbf')
-        self.assertRaises(UnicodeEncodeError, unicode_getutf8buffer, surrogates)
-        self.assertEqual(unicode_getutf8buffer(surrogates, "surrogatepass"),
-                         b'a\xed\xa0\x80b\xed\xbf\xbfc')
-
     # Test PyUnicode_AsUTF8()
     @support.cpython_only
     def test_asutf8(self):