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Diffstat (limited to 'testsuite/tests/concurrent/should_run/conc043.hs')
| -rw-r--r-- | testsuite/tests/concurrent/should_run/conc043.hs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/tests/concurrent/should_run/conc043.hs b/testsuite/tests/concurrent/should_run/conc043.hs new file mode 100644 index 0000000000..18cf1196f7 --- /dev/null +++ b/testsuite/tests/concurrent/should_run/conc043.hs @@ -0,0 +1,13 @@ +module Main where + +import GHC.Conc + +-- Create a new TVar, update it and check that it contains the expected value after the +-- transaction +main = do + putStr "Before\n" + t <- atomically ( newTVar 42 ) + atomically ( writeTVar t 17 ) + r <- atomically ( readTVar t ) + putStr ("After " ++ (show r) ++ "\n") + |