Testcases for #303

tests/run/external_defs.h

+
+
+typedef double DoubleTypedef;

tests/run/typedfieldbug_T303.pyx

+"""
+>>> f()
+42.0 42.0
+"""
+
+cdef extern from "external_defs.h":
+    ctypedef float DoubleTypedef
+
+cdef class MyClass:
+    cdef readonly:
+        double var_d
+        DoubleTypedef var_nf
+    def __init__(self):
+        self.var_d = 42.0
+        self.var_nf = 42.0
+
+def f():
+    c = MyClass()
+    print c.var_d, c.var_nf
+