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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/stranal/should_run/strun003.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/stranal/should_run/strun003.hs b/testsuite/tests/stranal/should_run/strun003.hs
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+-- This module should run fine with an empty argument list
+-- But it won't if the strictness analyser thinks that 'len' is use
+-- strictly, which was the case in GHC 6.0
+
+-- See the io_hack_reqd in DmdAnal.lhs
+
+module Main where
+
+import System.Environment
+import System.Exit
+
+main = do
+ args <- getArgs
+ let len = read (head args) :: Int
+
+ (if null args && useLazily len
+ then putStrLn "ok" >> exitWith ExitSuccess
+ else return () )
+
+ print len
+
+useLazily :: Int -> Bool
+useLazily len = ([len,3,4] !! 1) == 3