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| author | Pádraig Brady <P@draigBrady.com> | 2009-09-07 23:50:19 +0100 |
|---|---|---|
| committer | Pádraig Brady <P@draigBrady.com> | 2009-09-08 01:43:31 +0100 |
| commit | a863644397a66308d60464bace26da857f494f8c (patch) | |
| tree | aac6ce0079596465d414425085fe7a466daec7ab /tests/misc/cat-buf | |
| parent | f6d1f70183709124afd67462c05f82bb8d116165 (diff) | |
| download | coreutils-a863644397a66308d60464bace26da857f494f8c.tar.xz | |
tests: address a race condition in misc/cat-buf
* tests/misc/cat-buf: Increase the delay between writes
to decrease the chance that dd will read both at once.
Since the test is inherently racy, print a warning via
skip_test_ rather than failing outright.
Reported by Jim Meyering.
Diffstat (limited to 'tests/misc/cat-buf')
| -rwxr-xr-x | tests/misc/cat-buf | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tests/misc/cat-buf b/tests/misc/cat-buf index d37f9f436..11d553a2b 100755 --- a/tests/misc/cat-buf +++ b/tests/misc/cat-buf @@ -30,12 +30,17 @@ fi # write separately. mkfifo fifo || framework_failure +fail=0 + echo 1 > exp dd count=1 if=fifo > out & -(echo 1; sleep .2; echo 2) | cat -v > fifo +(echo 1; sleep .5; echo 2) | cat -v > fifo wait # for dd to complete -compare out exp || fail=1 +# Though unlikely, this test may fail because dd was starved +# between opening the fifo and reading from it until after the +# second echo. So ask to double check rather than failing. +compare out exp || skip_test_ "possible test failure. Please verify." Exit $fail |