blob: b2b8aa25ad700b36713f1f1a9a5ccb5a10e866f5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#!/bin/sh
# Test 'tty'.
# Copyright 2017-2025 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Make sure there's a tty on stdin.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ tty
tty_works_on_stdin=false
if test -t 0; then
if tty; then
tty_works_on_stdin=true
else
test $? -eq 4 || fail=1
fi
tty -s || fail=1
fi
returns_ 1 tty </dev/null || fail=1
returns_ 1 tty -s </dev/null || fail=1
returns_ 1 tty <&- 2>/dev/null || fail=1
returns_ 1 tty -s <&- || fail=1
returns_ 2 tty a || fail=1
returns_ 2 tty -s a || fail=1
if test -w /dev/full && test -c /dev/full; then
if $tty_works_on_stdin; then
returns_ 3 tty >/dev/full || fail=1
fi
returns_ 3 tty </dev/null >/dev/full || fail=1
fi
Exit $fail
|
