rename auto encoding tests and add tests for c_string_type=unicode

--HG--
rename : tests/run/unicode_ascii_encoding.pyx => tests/run/str_ascii_auto_encoding.pyx
rename : tests/run/unicode_default_encoding.pyx => tests/run/str_default_auto_encoding.pyx
rename : tests/run/unicode_ascii_encoding.pyx => tests/run/unicode_ascii_auto_encoding.pyx
rename : tests/run/unicode_default_encoding.pyx => tests/run/unicode_default_auto_encoding.pyx

tests/run/str_ascii_auto_encoding.pyx

+#cython: c_string_type = str
+#cython: c_string_encoding = ascii
+
+"End of first directives"
+
+include "unicode_ascii_auto_encoding.pyx"
+
+auto_string_type = str
+
+def check_auto_string_type():
+    """
+    >>> check_auto_string_type()
+    """
+    assert auto_string_type is str

tests/run/unicode_default_encoding.pyx → tests/run/str_default_auto_encoding.pyx

@@ -10,4 +10,4 @@ if sys.version_info[0] >= 3:
         True
         """
 
-include "unicode_ascii_encoding.pyx"
+include "str_ascii_auto_encoding.pyx"

tests/run/unicode_ascii_encoding.pyx → tests/run/unicode_ascii_auto_encoding.pyx

-#cython: c_string_type = str
+#cython: c_string_type = unicode
 #cython: c_string_encoding = ascii
 
+auto_string_type = unicode
+
 from libc.string cimport strcmp
 
+
 def as_objects(char* ascii_data):
     """
-    >>> as_objects('abc')
-    'abc'
+    >>> print(as_objects('abc'))
+    abc
     """
-    assert isinstance(<object>ascii_data, str)
+    assert isinstance(<object>ascii_data, auto_string_type)
     assert isinstance(<bytes>ascii_data, bytes)
     assert isinstance(<str>ascii_data, str)
     assert isinstance(<unicode>ascii_data, unicode)
@@ -27,17 +30,17 @@ def from_object():
 
 def slice_as_objects(char* ascii_data, int start, int end):
     """
-    >>> slice_as_objects('grok', 1, 3)
-    'ro'
+    >>> print(slice_as_objects('grok', 1, 3))
+    ro
     """
-    assert isinstance(<object>ascii_data[start:end], str)
+    assert isinstance(<object>ascii_data[start:end], auto_string_type)
     assert isinstance(<bytes>ascii_data[start:end], bytes)
     assert isinstance(<str>ascii_data[start:end], str)
     assert isinstance(<unicode>ascii_data[start:end], unicode)
-    
-    assert isinstance(<object>ascii_data[start:], str)
+
+    assert isinstance(<object>ascii_data[start:], auto_string_type)
     assert isinstance(<bytes>ascii_data[start:], bytes)
     assert isinstance(<str>ascii_data[start:], str)
     assert isinstance(<unicode>ascii_data[start:], unicode)
-    
+
     return ascii_data[start:end]

tests/run/unicode_default_auto_encoding.pyx

+# cython: c_string_type = unicode
+# cython: c_string_encoding = default
+
+import sys
+if sys.version_info[0] >= 3:
+    __doc__ = r"""
+        >>> as_objects("ab\xff") == "ab\xff"
+        True
+        >>> slice_as_objects("ab\xffd", 1, 4) == "b\xff"
+        True
+        """
+
+include "unicode_ascii_auto_encoding.pyx"