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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/lib/IO/openFile008.hs
parentebd422aed41048476aa61dd4c520d43becd78682 (diff)
downloadhaskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/lib/IO/openFile008.hs')
-rw-r--r--testsuite/tests/lib/IO/openFile008.hs22
1 files changed, 22 insertions, 0 deletions
diff --git a/testsuite/tests/lib/IO/openFile008.hs b/testsuite/tests/lib/IO/openFile008.hs
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index 0000000000..9c1a1c47f8
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+++ b/testsuite/tests/lib/IO/openFile008.hs
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+import System.IO
+import System.Cmd
+import System.FilePath
+import Text.Printf
+import System.Directory
+import Control.Monad
+
+testdir = "openFile008_testdir"
+
+-- Test repeated opening/closing of 1000 files. This is useful for guaging
+-- the performance of open/close and file locking.
+main = do
+ system ("rm -rf " ++ testdir)
+ createDirectory testdir
+ let filenames = [testdir </> printf "file%03d" (n::Int) | n <- [1..1000]]
+
+ forM_ [1..50] $ \_ -> do
+ hs <- mapM (\f -> openFile f WriteMode) filenames
+ mapM_ hClose hs
+
+ mapM_ removeFile filenames
+ removeDirectory testdir