From 0a3cdf063c10308d189609f1e66bcbbc5013a233 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Wed, 19 Jun 2013 10:23:35 +0300
Subject: Issue #18202: Fix minor bugs and cleanup test_coding.py.

---
 Lib/test/test_coding.py | 32 +++++++++++++++-----------------
 1 file changed, 15 insertions(+), 17 deletions(-)

diff --git a/Lib/test/test_coding.py b/Lib/test/test_coding.py
index dfd5431..989c7a8 100644
--- a/Lib/test/test_coding.py
+++ b/Lib/test/test_coding.py
@@ -1,4 +1,4 @@
-import test.support, unittest
+import unittest
 from test.support import TESTFN, unlink, unload
 import importlib, os, sys
 
@@ -22,31 +22,31 @@ class CodingTest(unittest.TestCase):
 
     def test_exec_valid_coding(self):
         d = {}
-        exec('# coding: cp949\na = 5\n', d)
-        self.assertEqual(d['a'], 5)
+        exec(b'# coding: cp949\na = "\xaa\xa7"\n', d)
+        self.assertEqual(d['a'], '\u3047')
 
     def test_file_parse(self):
         # issue1134: all encodings outside latin-1 and utf-8 fail on
         # multiline strings and long lines (>512 columns)
         unload(TESTFN)
-        sys.path.insert(0, os.curdir)
         filename = TESTFN + ".py"
-        f = open(filename, "w")
+        f = open(filename, "w", encoding="cp1252")
+        sys.path.insert(0, os.curdir)
         try:
-            f.write("# -*- coding: cp1252 -*-\n")
-            f.write("'''A short string\n")
-            f.write("'''\n")
-            f.write("'A very long string %s'\n" % ("X" * 1000))
-            f.close()
+            with f:
+                f.write("# -*- coding: cp1252 -*-\n")
+                f.write("'''A short string\n")
+                f.write("'''\n")
+                f.write("'A very long string %s'\n" % ("X" * 1000))
 
             importlib.invalidate_caches()
             __import__(TESTFN)
         finally:
-            f.close()
+            del sys.path[0]
             unlink(filename)
             unlink(filename + "c")
+            unlink(filename + "o")
             unload(TESTFN)
-            del sys.path[0]
 
     def test_error_from_string(self):
         # See http://bugs.python.org/issue6289
@@ -55,11 +55,9 @@ class CodingTest(unittest.TestCase):
             compile(input, "<string>", "exec")
         expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \
                    "ordinal not in range(128)"
-        self.assertTrue(c.exception.args[0].startswith(expected))
-
+        self.assertTrue(c.exception.args[0].startswith(expected),
+                        msg=c.exception.args[0])
 
-def test_main():
-    test.support.run_unittest(CodingTest)
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
-- 
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