bpo-39087: Add PyUnicode_GetUTF8Buffer().

Update doc
Write tests in C
python · methane · methane · methane · Dec 19, 2019 · methane
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
+        from _testcapi import unicode_getutf8buffer, test_unicode_getutf8buffer
+
+        # Run tests wrtten in C.  Raise an error when test failed.
+        test_unicode_getutf8buffer()