refactor test

tests/run/ct_DEF.pyx

 __doc__ = u"""
-    >>> c()
-    120
-    >>> i0() == -1
-    True
-    >>> i1() == 42
-    True
-    >>> i2() == 0x42
-    True
-    >>> i3() == -0x42
-    True
-    >>> l()
-    666
-    >>> f()
-    12.5
     >>> s()
     b'spam'
-    >>> two()
-    2
-    >>> five()
-    5
-    >>> true()
-    True
-    >>> false()
-    False
 """
 
 import sys
 if sys.version_info[0] < 3:
     __doc__ = __doc__.replace(u" b'", u" '")
-else:
-    __doc__ = __doc__.replace(u" 042", u" 0o42")
+
 
 DEF TUPLE = (1, 2, u"buckle my shoe")
 DEF TRUE_FALSE = (True, False)
@@ -50,54 +27,79 @@ DEF INT_TUPLE1 = TUPLE[:2]
 DEF INT_TUPLE2 = TUPLE[1:4:2]
 
 def c():
-    cdef char c
-    c = CHAR
+    """
+    >>> c()
+    120
+    """
+    cdef char c = CHAR
     return c
 
 def i0():
-    cdef int i
-    i = INT0
+    """
+    >>> i0() == -1
+    True
+    """
+    cdef int i = INT0
     return i
 
 def i1():
-    cdef int i
-    i = INT1
+    """
+    >>> i1() == 42
+    True
+    """
+    cdef int i = INT1
     return i
 
 def i2():
-    cdef int i
-    i = INT2
+    """
+    >>> i2() == 0x42
+    True
+    """
+    cdef int i = INT2
     return i
 
 def i3():
-    cdef int i
-    i = INT3
+    """
+    >>> i3() == -0x42
+    True
+    """
+    cdef int i = INT3
     return i
 
 def l():
-    cdef long l
-    l = LONG
+    """
+    >>> l()
+    666
+    """
+    cdef long l = LONG
     return l
 
 def f():
-    cdef float f
-    f = FLOAT
+    """
+    >>> f()
+    12.5
+    """
+    cdef float f = FLOAT
     return f
 
 def s():
-    cdef char *s
-    s = STR
+    """
+    see module docstring above
+    """
+    cdef char* s = STR
     return s
 
 # this does not work!
 #def t():
-#    cdef object t
-#    t = TUPLE
+#    cdef object t = TUPLE
 #    return t
 
 def two():
-    cdef int two
-    two = TWO
+    """
+    >>> two()
+    2
+    """
+    cdef int two = TWO
     return two
 
 # this doesn't currently work!
@@ -107,16 +109,25 @@ def two():
 #    return two
 
 def five():
-    cdef int five
-    five = FIVE
+    """
+    >>> five()
+    5
+    """
+    cdef int five = FIVE
     return five
 
 def true():
-    cdef bint true
-    true = TRUE
+    """
+    >>> true()
+    True
+    """
+    cdef bint true = TRUE
     return true
 
 def false():
-    cdef bint false
-    false = FALSE
+    """
+    >>> false()
+    False
+    """
+    cdef bint false = FALSE
     return false