test case for ticket 227

tests/bugs/cdef_bool_T227.pyx

+__doc__ = u"""
+>>> foo(True)
+True
+>>> foo(False)
+False
+>>> foo('abc') # doctest: +ELLIPSIS
+Traceback (most recent call last):
+TypeError: ...
+
+>>> call_cfoo(True)
+True
+>>> call_cfoo(False)
+False
+>>> call_cfoo('abc') # doctest: +ELLIPSIS
+Traceback (most recent call last):
+TypeError: ...
+"""
+
+def foo(bool a):
+    return a == True
+
+def call_cfoo(a):
+    return cfoo(a)
+
+cdef cfoo(bool a):
+    return a == True