+ if os.path.isfile(expected_stdout_path):
+ with open(expected_stdout_path, 'rb') as f:
+ expected_stdout = f.read()
+ else:
+ expected_stdout = b''
+
+ expected_stderr_path = os.path.join('examples', filename + '.stderr.txt')
+
+ if os.path.isfile(expected_stderr_path):
+ with open(expected_stderr_path, 'rb') as f:
+ expected_stderr = f.read()
+ else:
+ expected_stderr = b''
+
+ self.assertEqual(expected_stderr, actual_stderr)