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-- T13676 test driver.
-- Tests that the command dumped by the RTS into the stats file is properly escaped.
module T13676_Driver (GhcPath(GhcPath), test_t13676) where
import Control.Monad
import Data.Maybe
import System.Exit
import System.Process
import System.FilePath
-- This expression contains quotation marks and spaces which must be escaped.
expr :: String
expr = "'$' == '\\x0024'"
-- Check that evaluation of expr succeeds.
check_output :: String -> IO ()
check_output out =
unless (lines out == ["True"]) $
exitWith (ExitFailure 13)
-- A name for the .t file.
tfilename :: String
tfilename = "T13676.t"
newtype GhcPath = GhcPath FilePath
-- GHC arguments for the initial invocation.
initial_cmd_args :: [String]
initial_cmd_args = ["-e", expr, "+RTS", "-t" ++ tfilename]
test_t13676 :: GhcPath -> IO ()
test_t13676 (GhcPath ghcPath) = do
initial_out <- readCreateProcess (proc ghcPath initial_cmd_args) ""
check_output initial_out
tfile_content <- readFile tfilename
dumped_cmd <-
case listToMaybe (lines tfile_content) of
Nothing -> exitWith (ExitFailure 14)
Just str -> return str
secondary_out <- readCreateProcess (shell dumped_cmd) ""
check_output secondary_out
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