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authorDavid Terei <davidterei@gmail.com>2011-07-20 11:09:03 -0700
committerDavid Terei <davidterei@gmail.com>2011-07-20 11:26:35 -0700
commit16514f272fb42af6e9c7674a9bd6c9dce369231f (patch)
treee4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/deriving/should_run/T2529.hs
parentebd422aed41048476aa61dd4c520d43becd78682 (diff)
downloadhaskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz
Move tests from tests/ghc-regress/* to just tests/*
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diff --git a/testsuite/tests/deriving/should_run/T2529.hs b/testsuite/tests/deriving/should_run/T2529.hs
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+-- Trac #2529
+-- The example below successfully performed the {{{show}}}, but {{{reads}}}
+-- returns an empty list. It fails in both GHCi and GHC. It succeeds if you
+-- replaces the infix symbol with a name.
+
+module Main where
+
+data A = (:<>:) { x :: Int, y :: Int } deriving (Read, Show)
+
+t :: A
+t = 1 :<>: 2
+
+s :: String
+s = show t
+
+r :: [(A,String)]
+r = reads s
+
+main :: IO ()
+main = do putStrLn s
+ putStrLn (show r)