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{-
This test checks the functionality of `ghc-events merge` and writeEventLogToFile
-}
import Control.Monad
import qualified Data.ByteString.Lazy as BL
import Data.List (( \\ ))
import Data.Maybe (fromJust)
import System.Exit (exitFailure)
import GHC.RTS.Events
import GHC.RTS.Events.Incremental (readEventLog)
import Utils (files, diffLines)
-- Failing test cases due to changes introduced some time in the past but
-- went unnoticed. Needs fixing. TODO
failingCases :: [FilePath]
failingCases = map ("test/"++)
[ "queens-ghc-6.12.1.eventlog"
, "queens-ghc-7.0.2.eventlog"
, "mandelbrot-mmc-2011-06-14.eventlog"
, "782stop.eventlog"]
rewriteLog :: EventLog -> EventLog
rewriteLog oldLog = case readEventLog (serialiseEventLog oldLog) of
Left reason -> error reason
Right (newLog, _) -> newLog
testFile :: FilePath -> IO Bool
testFile f = do
e <- readEventLogFromFile f
let oops s = putStrLn (f ++ ": failure " ++ s) >> return False
case e of
Left m -> oops m
Right log -> do
let old = ppEventLog log
let new = ppEventLog $ rewriteLog log
if old == new
then putStrLn (f ++ ": success") >> return True
else do
putStrLn $ diffLines old new
oops "re-written file does not match the original"
main :: IO ()
main = do
successes <- mapM testFile files
unless (and successes) exitFailure
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