1	#!/usr/bin/env bash
2
3	#### exec builtin
4	exec echo hi
5	## stdout: hi
6
7	#### exec builtin with redirects
8	exec 1>&2
9	echo 'to stderr'
10	## stdout-json: ""
11	## stderr: to stderr
12
13	#### exec builtin with here doc
14	# This has in a separate file because both code and data can be read from
15	# stdin.
16	$SH spec/builtins-exec-here-doc-helper.sh
17	## stdout-json: "x=one\ny=two\nDONE\n"
18
19	#### cd and $PWD
20	cd /
21	echo $PWD
22	## stdout: /
23
24	#### $OLDPWD
25	cd /
26	cd $TMP
27	echo "old: $OLDPWD"
28	cd -
29	## stdout-json: "old: /\n/\n"
30
31	#### pwd
32	cd /
33	pwd
34	## stdout: /
35
36	#### pwd -P
37	tmp=$TMP/builtins-pwd-1
38	mkdir -p $tmp
39	mkdir -p $tmp/symtarg
40	ln -s $tmp/symtarg $tmp/symlink
41	cd $tmp/symlink
42	basename $(pwd -P)
43	cd $tmp
44	rmdir $tmp/symtarg
45	rm $tmp/symlink
46	## stdout: symtarg
47
48	#### cd with no arguments
49	HOME=$TMP/home
50	mkdir -p $HOME
51	cd
52	test $(pwd) = "$HOME" && echo OK
53	## stdout: OK
54
55	#### cd to nonexistent dir
56	cd /nonexistent/dir
57	echo status=$?
58	## stdout: status=1
59	## OK dash/mksh stdout: status=2
60
61	#### cd away from dir that was deleted
62	dir=$TMP/cd-nonexistent
63	mkdir -p $dir
64	cd $dir
65	rmdir $dir
66	cd $TMP
67	echo $(basename $OLDPWD)
68	echo status=$?
69	## STDOUT:
70	cd-nonexistent
71	status=0
72	## END
73
74	#### cd permits double bare dash
75	cd -- /
76	echo $PWD
77	## stdout: /
78
79	#### cd to non-symlink with -P
80	targ=$TMP/cd-symtarget
81	lnk=$TMP/cd-symlink
82	mkdir -p $targ
83	ln -s $targ $lnk
84	cd -P $targ
85	test $PWD = "$TMP/cd-symtarget" && echo OK
86	cd $TMP
87	rmdir $targ
88	rm $lnk
89	## stdout: OK
90
91	#### cd to symlink default behavior
92	targ=$TMP/cd-symtarget
93	lnk=$TMP/cd-symlink
94	mkdir -p $targ
95	ln -s $targ $lnk
96	cd $lnk
97	test $PWD = "$TMP/cd-symlink" && echo OK
98	cd $TMP
99	rmdir $targ
100	rm $lnk
101	## stdout: OK
102
103	#### cd to symlink with -L
104	targ=$TMP/cd-symtarget
105	lnk=$TMP/cd-symlink
106	mkdir -p $targ
107	ln -s $targ $lnk
108	cd -L $lnk
109	test $PWD = "$TMP/cd-symlink" && echo OK
110	cd $TMP
111	rmdir $targ
112	rm $lnk
113	## stdout: OK
114
115	#### cd to symlink with -P
116	targ=$TMP/cd-symtarget
117	lnk=$TMP/cd-symlink
118	mkdir -p $targ
119	ln -s $targ $lnk
120	cd -P $lnk
121	test $PWD = "$TMP/cd-symtarget" && echo OK
122	cd $TMP
123	rmdir $targ
124	rm $lnk
125	## stdout: OK
126
127	#### pushd/popd
128	set -o errexit
129	cd /
130	pushd $TMP
131	popd
132	pwd
133	## status: 0
134	## N-I dash/mksh status: 127
135
136	#### Exit out of function
137	f() { exit 3; }
138	f
139	exit 4
140	## status: 3
141
142	#### Exit builtin with invalid arg
143	exit invalid
144	# Rationale: runtime errors are 1
145	## status: 1
146	## OK dash/bash status: 2
147
148	#### Exit builtin with too many args
149	# This is a parse error in OSH.
150	exit 7 8 9
151	echo status=$?
152	## status: 2
153	## stdout-json: ""
154	## BUG bash status: 0
155	## BUG bash stdout: status=1
156	## BUG dash status: 7
157	## BUG dash stdout-json: ""
158	## OK mksh status: 1
159	## OK mksh stdout-json: ""
160
161	#### time block
162	# bash and mksh work; dash does't.
163	# TODO: osh needs to implement BraceGroup redirect properly.
164	err=_tmp/time-$(basename $SH).txt
165	{
166	time {
167	sleep 0.01
168	sleep 0.02
169	}
170	} 2> $err
171	cat $err | grep --only-matching real
172	# Just check that we found 'real'.
173	# This is fiddly:
174	# | sed -n -E -e 's/.*(0m0\.03).*/\1/'
175	#
176	## status: 0
177	## stdout: real
178	## BUG dash status: 2
179	## BUG dash stdout-json: ""
180
181	#### time pipeline
182	time echo hi | wc -c
183	## stdout: 3
184	## status: 0
185
186	#### shift
187	set -- 1 2 3 4
188	shift
189	echo "$@"
190	shift 2
191	echo "$@"
192	## stdout-json: "2 3 4\n4\n"
193	## status: 0
194
195	#### Shifting too far
196	set -- 1
197	shift 2
198	## status: 1
199	## OK dash status: 2
200
201	#### Invalid shift argument
202	shift ZZZ
203	## status: 1
204	## OK dash status: 2
205	## BUG mksh status: 0
206
207	#### get umask
208	umask | grep '[0-9]\+' # check for digits
209	## status: 0
210
211	#### set umask in octal
212	rm -f $TMP/umask-one $TMP/umask-two
213	umask 0002
214	echo one > $TMP/umask-one
215	umask 0022
216	echo two > $TMP/umask-two
217	stat -c '%a' $TMP/umask-one $TMP/umask-two
218	## status: 0
219	## stdout-json: "664\n644\n"
220	## stderr-json: ""
221
222	#### set umask symbolically
223	umask 0002 # begin in a known state for the test
224	rm $TMP/umask-one $TMP/umask-two
225	echo one > $TMP/umask-one
226	umask g-w,o-w
227	echo two > $TMP/umask-two
228	stat -c '%a' $TMP/umask-one $TMP/umask-two
229	## status: 0
230	## STDOUT:
231	664
232	644
233	## END
234	## stderr-json: ""