import this too

1 files changed, 15 insertions, 3 deletions

diff --git a/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py b/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
index afaf12c654..0b09aefd90 100644
--- a/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
+++ b/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
@@ -417,8 +417,11 @@ def test_open_array_in_struct():
 
 def test_math_sin_type():
     ffi = FFI()
-    ffi.cdef("double sin(double);")
-    lib = verify(ffi, 'test_math_sin_type', '#include <math.h>')
+    ffi.cdef("double sin(double); void *xxtestfunc();")
+    lib = verify(ffi, 'test_math_sin_type', """
+        #include <math.h>
+        void *xxtestfunc(void) { return 0; }
+    """)
     # 'lib.sin' is typed as a <built-in method> object on lib
     assert ffi.typeof(lib.sin).cname == "double(*)(double)"
     # 'x' is another <built-in method> object on lib, made very indirectly
@@ -428,7 +431,16 @@ def test_math_sin_type():
     # present on built-in functions on CPython; must be emulated on PyPy:
     assert lib.sin.__name__ == 'sin'
     assert lib.sin.__module__ == '_CFFI_test_math_sin_type'
-    assert lib.sin.__doc__ == 'direct call to the C function of the same name'
+    assert lib.sin.__doc__ == (
+        "double sin(double);\n"
+        "\n"
+        "CFFI C function from _CFFI_test_math_sin_type.lib")
+
+    assert ffi.typeof(lib.xxtestfunc).cname == "void *(*)()"
+    assert lib.xxtestfunc.__doc__ == (
+        "void *xxtestfunc();\n"
+        "\n"
+        "CFFI C function from _CFFI_test_math_sin_type.lib")
 
 def test_verify_anonymous_struct_with_typedef():
     ffi = FFI()