1 files changed, 26 insertions, 0 deletions
diff --git a/testsuite/tests/ffi/should_run/ffi013.hs b/testsuite/tests/ffi/should_run/ffi013.hs
new file mode 100644
index 0000000000..ae38c71b10
--- /dev/null
+++ b/testsuite/tests/ffi/should_run/ffi013.hs
@@ -0,0 +1,26 @@
+import Foreign
+import Foreign.C.Types
+
+foreign import ccall "wrapper"
+   mkComparator :: (Ptr Int -> Ptr Int -> IO CInt) 
+		-> IO (FunPtr (Ptr Int -> Ptr Int -> IO CInt))
+
+foreign import ccall
+   qsort :: Ptr Int -> CSize -> CSize -> FunPtr (Ptr Int -> Ptr Int -> IO CInt) 
+	 -> IO ()
+
+compareInts :: Ptr Int -> Ptr Int -> IO CInt
+compareInts a1 a2 = do
+   i1 <- peek a1
+   i2 <- peek a2
+   return (fromIntegral (i1 - i2 :: Int))
+
+main :: IO ()
+main = do
+   c <- mkComparator compareInts
+   let values = [ 12, 56, 90, 34, 78 ] :: [Int]
+       n      = length values
+   withArray values $ \ buf -> do
+      qsort buf (fromIntegral n) (fromIntegral (sizeOf (head values))) c
+      values' <- peekArray n buf
+      print values'