diff options
Diffstat (limited to 'tests/misc/tee.sh')
| -rwxr-xr-x | tests/misc/tee.sh | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/tests/misc/tee.sh b/tests/misc/tee.sh index 5f2eeda7b..ecca6562b 100755 --- a/tests/misc/tee.sh +++ b/tests/misc/tee.sh @@ -20,17 +20,24 @@ print_ver_ tee echo line >sample || framework_failure_ -nums=$(seq 9) || framework_failure_ - -for n in 0 $nums; do - files=$(seq $n) - rm -f $files - tee $files <sample >out || fail=1 - for f in out $files; do - compare sample $f || fail=1 - done + +# POSIX says: "Processing of at least 13 file operands shall be supported." +for n in 0 1 2 12 13; do + files=$(seq $n) + rm -f $files + tee $files <sample >out || fail=1 + for f in out $files; do + compare sample $f || fail=1 + done done +# Ensure tee treats '-' as the name of a file, as mandated by POSIX. +# Between v5.3.0 and v8.23, a '-' argument caused tee to send another +# copy of input to standard output. +tee - <sample >out 2>err || fail=1 +compare sample ./- || fail=1 +compare sample out || fail=1 +compare /dev/null err || fail # Ensure tee exits early if no more writable outputs if test -w /dev/full && test -c /dev/full; then |