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authorRoman Smrž <roman.smrz@seznam.cz>2023-08-23 21:05:25 +0200
committerRoman Smrž <roman.smrz@seznam.cz>2023-08-30 20:53:55 +0200
commitb2278c50bfce8d8c6f80d04822ecedf42081659d (patch)
treec8c028c20c9fa6452f5a6aefd82b05292e92fe50 /src
parent558ea4d565799aa2000af0b1fc6d159447c9868b (diff)
Test: fully evaluate output line before taking the lock
Diffstat (limited to 'src')
-rw-r--r--src/Test.hs9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/Test.hs b/src/Test.hs
index 819c97d..a506345 100644
--- a/src/Test.hs
+++ b/src/Test.hs
@@ -4,6 +4,7 @@ module Test (
import Control.Arrow
import Control.Concurrent
+import Control.Exception
import Control.Monad.Except
import Control.Monad.Reader
import Control.Monad.State
@@ -107,9 +108,11 @@ getHead = do
type Output = MVar ()
outLine :: Output -> String -> IO ()
-outLine mvar line = withMVar mvar $ \() -> do
- putStrLn line
- hFlush stdout
+outLine mvar line = do
+ evaluate $ foldl' (flip seq) () line
+ withMVar mvar $ \() -> do
+ putStrLn line
+ hFlush stdout
cmdOut :: String -> Command
cmdOut line = do