cwd.sh revision 1.1 
1#!/bin/sh
2#
3# Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
4#
5# Permission to use, copy, modify, and distribute this software for any
6# purpose with or without fee is hereby granted, provided that the above
7# copyright notice and this permission notice appear in all copies.
8#
9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16
17test_ps()
18{
19	ps_args=$1
20	expected=$2
21	result=`ps -p $pid $ps_args | tail -n +2`
22	if [ "$result" != "$expected" ]; then
23		echo "$ps_vars ps $ps_args"
24		echo "expected: >$expected<"
25		echo "result:   >$result<"
26		exit 1;
27	fi
28}
29
30# path shorter than 40 bytes (hopefully)
31./shortsleep &
32pid=$!
33dirname=`readlink -fn . | cut -c -40`
34padded=`printf '%-40s' $dirname`
35
36test_ps "-o cwd,command" "$padded ./shortsleep"
37test_ps "-wwo cwd,command" "$padded ./shortsleep"
38test_ps "-o cwd" "$dirname"
39test_ps "-wwo cwd" "$dirname"
40test_ps "-wwo command,cwd" "./shortsleep     $dirname"
41
42kill $pid
43
44# path longer than 40 bytes
45rm -rf ridiculously_long_directory_name_component
46mkdir ridiculously_long_directory_name_component
47cd ridiculously_long_directory_name_component
48
49../shortsleep &
50pid=$!
51dirname=`readlink -fn . | cut -c -40`
52
53test_ps "-o cwd,command" "$dirname ../shortsleep"
54test_ps "-wwo cwd,command" "$dirname ../shortsleep"
55test_ps "-o cwd" "$dirname"
56test_ps "-wwo cwd" "$dirname"
57test_ps "-wwo command,cwd" "../shortsleep    $dirname"
58
59kill $pid
60cd ..
61rm -rf ridiculously_long_directory_name_component
62
63exit 0
64