1 files changed, 95 insertions, 0 deletions
diff --git a/tests/run/methodmangling_cdef.pyx b/tests/run/methodmangling_cdef.pyx
new file mode 100644
index 000000000..83f02fa6a
--- /dev/null
+++ b/tests/run/methodmangling_cdef.pyx
@@ -0,0 +1,95 @@
+# mode: run
+
+def call_cdt_private_cdef(CDefTest o):
+    return o._CDefTest__private_cdef()
+
+cdef __c_func():
+    return "cdef function"
+
+cdef __c_var = "Shouldn't see this"
+
+cdef class CDefTest:
+    """
+    >>> cd = CDefTest()
+    >>> '_CDefTest__private' in dir(cd)
+    True
+    >>> cd._CDefTest__private()
+    8
+    >>> call_cdt_private_cdef(cd)
+    8
+    >>> '__private' in dir(cd)
+    False
+    >>> '_CDefTest__x' in dir(cd)
+    True
+
+    >>> '__x' in dir(cd)
+    False
+    >>> cd._CDefTest__y
+    2
+    """
+    __x = 1
+    cdef public int __y
+
+    def __init__(self):
+        self.__y = 2
+
+    def __private(self): return 8
+
+    cdef __private_cdef(self): return 8
+
+    def get(self):
+        """
+        >>> CDefTest().get()
+        (1, 1, 8)
+        """
+        return self._CDefTest__x, self.__x, self.__private()
+
+    def get_inner(self):
+        """
+        >>> CDefTest().get_inner()
+        (1, 1, 8)
+        """
+        def get(o):
+            return o._CDefTest__x, o.__x, o.__private()
+        return get(self)
+
+    def get_c_func(self):
+        """
+        Should still be able to access C function with __names
+        >>> CDefTest().get_c_func()
+        'cdef function'
+        """
+        return __c_func()
+
+    def get_c_func2(self):
+        """
+        Should find mangled name before C __name
+        >>> CDefTest().get_c_func2()
+        'lambda'
+        """
+        _CDefTest__c_func = lambda: "lambda"
+        return __c_func()
+
+    def get_c_var(self):
+        """
+        >>> CDefTest().get_c_var()
+        'c var'
+        """
+        global __c_var
+        __c_var = "c var"
+        return __c_var
+
+def call_inpdx_private_cdef(InPxd o):
+    return o._InPxd__private_cdef()
+
+cdef class InPxd:
+    """
+    >>> InPxd()._InPxd__y
+    2
+    >>> call_inpdx_private_cdef(InPxd())
+    8
+    """
+    def __init__(self):
+        self.__y = 2
+
+    cdef int __private_cdef(self): return 8