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: $OLDPWD"
28	env | grep OLDPWD # It's EXPORTED too!
29	cd -
30	## STDOUT:
31	old: /
32	OLDPWD=/
33	/
34	## END
35	## BUG mksh STDOUT:
36	old: /
37	/
38	## END
39
40	#### pwd
41	cd /
42	pwd
43	## STDOUT:
44	/
45	## END
46
47	#### pwd after cd ..
48	dir=$TMP/dir-one/dir-two
49	mkdir -p $dir
50	cd $dir
51	echo $(basename $(pwd))
52	cd ..
53	echo $(basename $(pwd))
54	## STDOUT:
55	dir-two
56	dir-one
57	## END
58
59	#### pwd -P
60	tmp=$TMP/builtins-pwd-1
61	mkdir -p $tmp
62	mkdir -p $tmp/symtarg
63	ln -s $tmp/symtarg $tmp/symlink
64	cd $tmp/symlink
65	basename $(pwd -P)
66	cd $tmp
67	rmdir $tmp/symtarg
68	rm $tmp/symlink
69	## stdout: symtarg
70
71	#### Test the current directory after 'cd ..' involving symlinks
72	dir=$TMP/symlinktest
73	mkdir -p $dir
74	cd $dir
75	mkdir -p a/b/c
76	mkdir -p a/b/d
77	ln -s -f a/b/c c > /dev/null
78	cd c
79	cd ..
80	# Expecting a c/ (since we are in symlinktest) but osh gives c d (thinks we are
81	# in b/)
82	ls
83	## STDOUT:
84	a
85	c
86	## END
87
88	#### cd with no arguments
89	HOME=$TMP/home
90	mkdir -p $HOME
91	cd
92	test $(pwd) = "$HOME" && echo OK
93	## stdout: OK
94
95	#### cd to nonexistent dir
96	cd /nonexistent/dir
97	echo status=$?
98	## stdout: status=1
99	## OK dash/mksh stdout: status=2
100
101	#### cd away from dir that was deleted
102	dir=$TMP/cd-nonexistent
103	mkdir -p $dir
104	cd $dir
105	rmdir $dir
106	cd $TMP
107	echo $(basename $OLDPWD)
108	echo status=$?
109	## STDOUT:
110	cd-nonexistent
111	status=0
112	## END
113
114	#### cd permits double bare dash
115	cd -- /
116	echo $PWD
117	## stdout: /
118
119	#### cd to symlink with -L and -P
120	targ=$TMP/cd-symtarget
121	lnk=$TMP/cd-symlink
122	mkdir -p $targ
123	ln -s $targ $lnk
124
125	# -L behavior is the default
126	cd $lnk
127	test $PWD = "$TMP/cd-symlink" && echo OK
128
129	cd -L $lnk
130	test $PWD = "$TMP/cd-symlink" && echo OK
131
132	cd -P $lnk
133	test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
134	## STDOUT:
135	OK
136	OK
137	OK
138	## END
139
140	#### cd to relative path with -L and -P
141	die() { echo "$@"; exit 1; }
142
143	targ=$TMP/cd-symtarget/subdir
144	lnk=$TMP/cd-symlink
145	mkdir -p $targ
146	ln -s $targ $lnk
147
148	# -L behavior is the default
149	cd $lnk/subdir
150	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
151	cd ..
152	test $PWD = "$TMP/cd-symlink" && echo OK
153
154	cd $lnk/subdir
155	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
156	cd -L ..
157	test $PWD = "$TMP/cd-symlink" && echo OK
158
159	cd $lnk/subdir
160	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
161	cd -P ..
162	test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
163	## STDOUT:
164	OK
165	OK
166	OK
167	## END
168
169	#### Exit out of function
170	f() { exit 3; }
171	f
172	exit 4
173	## status: 3
174
175	#### Exit builtin with invalid arg
176	exit invalid
177	# Rationale: runtime errors are 1
178	## status: 1
179	## OK dash/bash status: 2
180
181	#### Exit builtin with too many args
182	# This is a parse error in OSH.
183	exit 7 8 9
184	echo status=$?
185	## status: 2
186	## stdout-json: ""
187	## BUG bash status: 0
188	## BUG bash stdout: status=1
189	## BUG dash status: 7
190	## BUG dash stdout-json: ""
191	## OK mksh status: 1
192	## OK mksh stdout-json: ""
193
194	#### time block
195	# bash and mksh work; dash does't.
196	# TODO: osh needs to implement BraceGroup redirect properly.
197	err=_tmp/time-$(basename $SH).txt
198	{
199	time {
200	sleep 0.01
201	sleep 0.02
202	}
203	} 2> $err
204	cat $err | grep --only-matching real
205	# Just check that we found 'real'.
206	# This is fiddly:
207	# | sed -n -E -e 's/.*(0m0\.03).*/\1/'
208	#
209	## status: 0
210	## stdout: real
211	## BUG dash status: 2
212	## BUG dash stdout-json: ""
213
214	#### time pipeline
215	time echo hi | wc -c
216	## stdout: 3
217	## status: 0
218
219	#### shift
220	set -- 1 2 3 4
221	shift
222	echo "$@"
223	shift 2
224	echo "$@"
225	## stdout-json: "2 3 4\n4\n"
226	## status: 0
227
228	#### Shifting too far
229	set -- 1
230	shift 2
231	## status: 1
232	## OK dash status: 2
233
234	#### Invalid shift argument
235	shift ZZZ
236	## status: 1
237	## OK dash status: 2
238	## BUG mksh status: 0
239
240	#### get umask
241	umask | grep '[0-9]\+' # check for digits
242	## status: 0
243
244	#### set umask in octal
245	rm -f $TMP/umask-one $TMP/umask-two
246	umask 0002
247	echo one > $TMP/umask-one
248	umask 0022
249	echo two > $TMP/umask-two
250	stat -c '%a' $TMP/umask-one $TMP/umask-two
251	## status: 0
252	## stdout-json: "664\n644\n"
253	## stderr-json: ""
254
255	#### set umask symbolically
256	umask 0002 # begin in a known state for the test
257	rm $TMP/umask-one $TMP/umask-two
258	echo one > $TMP/umask-one
259	umask g-w,o-w
260	echo two > $TMP/umask-two
261	stat -c '%a' $TMP/umask-one $TMP/umask-two
262	## status: 0
263	## STDOUT:
264	664
265	644
266	## END
267	## stderr-json: ""