1da2e3ebdSchin########################################################################
2da2e3ebdSchin#                                                                      #
3da2e3ebdSchin#               This software is part of the ast package               #
4*b30d1939SAndy Fiddaman#          Copyright (c) 1982-2012 AT&T Intellectual Property          #
5da2e3ebdSchin#                      and is licensed under the                       #
6*b30d1939SAndy Fiddaman#                 Eclipse Public License, Version 1.0                  #
77c2fbfb3SApril Chin#                    by AT&T Intellectual Property                     #
8da2e3ebdSchin#                                                                      #
9da2e3ebdSchin#                A copy of the License is available at                 #
10*b30d1939SAndy Fiddaman#          http://www.eclipse.org/org/documents/epl-v10.html           #
11*b30d1939SAndy Fiddaman#         (with md5 checksum b35adb5213ca9657e911e9befb180842)         #
12da2e3ebdSchin#                                                                      #
13da2e3ebdSchin#              Information and Software Systems Research               #
14da2e3ebdSchin#                            AT&T Research                             #
15da2e3ebdSchin#                           Florham Park NJ                            #
16da2e3ebdSchin#                                                                      #
17da2e3ebdSchin#                  David Korn <dgk@research.att.com>                   #
18da2e3ebdSchin#                                                                      #
19da2e3ebdSchin########################################################################
20da2e3ebdSchinfunction err_exit
21da2e3ebdSchin{
22da2e3ebdSchin	print -u2 -n "\t"
23da2e3ebdSchin	print -u2 -r $Command: "$@"
24da2e3ebdSchin	let Errors+=1
25da2e3ebdSchin}
26da2e3ebdSchinalias err_exit='err_exit $LINENO'
27da2e3ebdSchin
2834f9b3eeSRoland MainzCommand=${0##*/}
2934f9b3eeSRoland Mainzinteger Errors=0
3034f9b3eeSRoland Mainz
3134f9b3eeSRoland Mainztmp=$(mktemp -dt) || { err_exit mktemp -dt failed; exit 1; }
3234f9b3eeSRoland Mainztrap "cd /; rm -rf $tmp" EXIT
3334f9b3eeSRoland Mainz
34*b30d1939SAndy Fiddamanif	$SHELL -c '[[ ~root == /* ]]'
35*b30d1939SAndy Fiddamanthen	x=$(print -r -- ~root)
36*b30d1939SAndy Fiddaman	[[ $x == ~root ]] || err_exit '~user expanded in subshell prevent ~user from working'
37*b30d1939SAndy Fiddamanfi
38*b30d1939SAndy Fiddaman
39da2e3ebdSchinfunction home # id
40da2e3ebdSchin{
41da2e3ebdSchin	typeset IFS=: pwd=/etc/passwd
42da2e3ebdSchin	set -o noglob
43da2e3ebdSchin	if	[[ -f $pwd ]] && grep -c "^$1:" $pwd > /dev/null
44da2e3ebdSchin	then	set -- $(grep "^$1:" $pwd)
45da2e3ebdSchin		print -r -- "$6"
46da2e3ebdSchin	else	print .
47da2e3ebdSchin	fi
48da2e3ebdSchin}
49da2e3ebdSchin
50da2e3ebdSchinOLDPWD=/bin
51da2e3ebdSchinif	[[ ~ != $HOME ]]
52da2e3ebdSchinthen	err_exit '~' not $HOME
53da2e3ebdSchinfi
54da2e3ebdSchinx=~
55da2e3ebdSchinif	[[ $x != $HOME ]]
56da2e3ebdSchinthen	err_exit x=~ not $HOME
57da2e3ebdSchinfi
58da2e3ebdSchinx=x:~
59da2e3ebdSchinif	[[ $x != x:$HOME ]]
60da2e3ebdSchinthen	err_exit x=x:~ not x:$HOME
61da2e3ebdSchinfi
62da2e3ebdSchinif	[[ ~+ != $PWD ]]
63da2e3ebdSchinthen	err_exit '~' not $PWD
64da2e3ebdSchinfi
65da2e3ebdSchinx=~+
66da2e3ebdSchinif	[[ $x != $PWD ]]
67da2e3ebdSchinthen	err_exit x=~+ not $PWD
68da2e3ebdSchinfi
69da2e3ebdSchinif	[[ ~- != $OLDPWD ]]
70da2e3ebdSchinthen	err_exit '~' not $PWD
71da2e3ebdSchinfi
72da2e3ebdSchinx=~-
73da2e3ebdSchinif	[[ $x != $OLDPWD ]]
74da2e3ebdSchinthen	err_exit x=~- not $OLDPWD
75da2e3ebdSchinfi
76da2e3ebdSchinfor u in root Administrator
77da2e3ebdSchindo	h=$(home $u)
78da2e3ebdSchin	if	[[ $h != . ]]
79da2e3ebdSchin	then	[[ ~$u -ef $h ]] || err_exit "~$u not $h"
80da2e3ebdSchin		x=~$u
8134f9b3eeSRoland Mainz		[[ $x -ef $h ]] || x="~$u not $h"
82da2e3ebdSchin		break
83da2e3ebdSchin	fi
84da2e3ebdSchindone
8534f9b3eeSRoland Mainzx=~g.r.emlin
8634f9b3eeSRoland Mainzif	[[ $x != '~g.r.emlin' ]]
8734f9b3eeSRoland Mainzthen	err_exit "x=~g.r.emlin failed -- expected '~g.r.emlin', got '$x'"
88da2e3ebdSchinfi
89da2e3ebdSchinx=~:~
90da2e3ebdSchinif	[[ $x != "$HOME:$HOME" ]]
9134f9b3eeSRoland Mainzthen	err_exit "x=~:~ failed, expected '$HOME:$HOME', got '$x'"
92da2e3ebdSchinfi
93da2e3ebdSchinHOME=/
94da2e3ebdSchin[[ ~ == / ]] || err_exit '~ should be /'
95da2e3ebdSchin[[ ~/foo == /foo ]] || err_exit '~/foo should be /foo when ~==/'
9634f9b3eeSRoland Mainzprint $'print ~+\n[[ $1 ]] && $0' > $tmp/tilde
9734f9b3eeSRoland Mainzchmod +x $tmp/tilde
987c2fbfb3SApril Chinnl=$'\n'
9934f9b3eeSRoland Mainz[[ $($tmp/tilde foo) == "$PWD$nl$PWD" ]] 2> /dev/null  || err_exit 'tilde fails inside a script run by name'
100*b30d1939SAndy Fiddaman
101*b30d1939SAndy Fiddamanexit $((Errors<125?Errors:125))
102