From f4333d0479d6974d142e858522e95cbf8381f016 Mon Sep 17 00:00:00 2001
From: hliu0 <hongchang.liu@windriver.com>
Date: Wed, 27 Mar 2019 23:11:12 +0800
Subject: [PATCH] bpo-31904: Fix test_utf8_mode on VxWorks (GH-12428)

 Python always use UTF-8 on VxWorks.
---
 Lib/test/test_utf8_mode.py                                    | 4 ++--
 .../next/Tests/2019-03-19-17-39-25.bpo-31904.QxhhRx.rst       | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Tests/2019-03-19-17-39-25.bpo-31904.QxhhRx.rst

diff --git a/Lib/test/test_utf8_mode.py b/Lib/test/test_utf8_mode.py
index 220ff34a118..2429b00459b 100644
--- a/Lib/test/test_utf8_mode.py
+++ b/Lib/test/test_utf8_mode.py
@@ -12,7 +12,7 @@ from test.support.script_helper import assert_python_ok, assert_python_failure
 
 MS_WINDOWS = (sys.platform == 'win32')
 POSIX_LOCALES = ('C', 'POSIX')
-
+VXWORKS = (sys.platform == "vxworks")
 
 class UTF8ModeTests(unittest.TestCase):
     DEFAULT_ENV = {
@@ -225,7 +225,7 @@ class UTF8ModeTests(unittest.TestCase):
             with self.subTest(LC_ALL=loc):
                 check('utf8', [arg_utf8], LC_ALL=loc)
 
-        if sys.platform == 'darwin' or support.is_android:
+        if sys.platform == 'darwin' or support.is_android or VXWORKS:
             c_arg = arg_utf8
         elif sys.platform.startswith("aix"):
             c_arg = arg.decode('iso-8859-1')
diff --git a/Misc/NEWS.d/next/Tests/2019-03-19-17-39-25.bpo-31904.QxhhRx.rst b/Misc/NEWS.d/next/Tests/2019-03-19-17-39-25.bpo-31904.QxhhRx.rst
new file mode 100644
index 00000000000..95771508619
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2019-03-19-17-39-25.bpo-31904.QxhhRx.rst
@@ -0,0 +1 @@
+Fix test_utf8_mode on VxWorks: Python always use UTF-8 on VxWorks.