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-rw-r--r--testsuite/tests/lib/Numeric/num005.hs23
1 files changed, 23 insertions, 0 deletions
diff --git a/testsuite/tests/lib/Numeric/num005.hs b/testsuite/tests/lib/Numeric/num005.hs
new file mode 100644
index 0000000000..ef647a6967
--- /dev/null
+++ b/testsuite/tests/lib/Numeric/num005.hs
@@ -0,0 +1,23 @@
+-- Exercising Numeric.readSigned a bit
+--
+module Main(main) where
+
+import Numeric
+
+main =
+ let
+ ls = ["3489348394032498320438240938403","0","-1","1","34323","2L","012","0x23","3243ab"]
+ present str f ls =
+ sequence (map (\ v -> putStr ('\n':str ++
+ ' ': v ++
+ " = " ++
+ (show (f v)))) ls)
+ in
+ do
+ present "(readDec::ReadS Integer)" (readDec::ReadS Integer) ls
+ present "(readDec::ReadS Int)" (readDec::ReadS Int) ls
+ present "(readOct::ReadS Integer)" (readOct::ReadS Integer) ls
+ present "(readOct::ReadS Int)" (readOct::ReadS Int) ls
+ present "(readHex::ReadS Integer)" (readHex::ReadS Integer) ls
+ present "(readHex::ReadS Int)" (readHex::ReadS Int) ls
+ putStrLn ""