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	#### set PWD to something different, invoke pwd
72	dir=/tmp/oil-spec-test/pwd
73	mkdir -p $dir
74	cd $dir
75
76	PWD=foo
77	echo before $PWD
78	pwd
79	echo after $PWD
80	## STDOUT:
81	before foo
82	/tmp/oil-spec-test/pwd
83	after foo
84	## END
85
86	#### unset PWD; then pwd
87	dir=/tmp/oil-spec-test/pwd
88	mkdir -p $dir
89	cd $dir
90
91	unset PWD
92	echo [$PWD]
93	pwd
94	echo [$PWD]
95	## STDOUT:
96	[]
97	/tmp/oil-spec-test/pwd
98	[]
99	## END
100
101
102	#### remove pwd dir
103	dir=/tmp/oil-spec-test/pwd
104	mkdir -p $dir
105	cd $dir
106	pwd
107	rmdir $dir
108	echo status=$?
109	pwd
110	echo status=$?
111	## STDOUT:
112	/tmp/oil-spec-test/pwd
113	status=0
114	/tmp/oil-spec-test/pwd
115	status=0
116	## END
117	## OK mksh/osh STDOUT:
118	/tmp/oil-spec-test/pwd
119	status=0
120	status=1
121	## END
122
123
124	#### Test the current directory after 'cd ..' involving symlinks
125	dir=$TMP/symlinktest
126	mkdir -p $dir
127	cd $dir
128	mkdir -p a/b/c
129	mkdir -p a/b/d
130	ln -s -f a/b/c c > /dev/null
131	cd c
132	cd ..
133	# Expecting a c/ (since we are in symlinktest) but osh gives c d (thinks we are
134	# in b/)
135	ls
136	## STDOUT:
137	a
138	c
139	## END
140
141	#### cd with no arguments
142	HOME=$TMP/home
143	mkdir -p $HOME
144	cd
145	test $(pwd) = "$HOME" && echo OK
146	## stdout: OK
147
148	#### cd to nonexistent dir
149	cd /nonexistent/dir
150	echo status=$?
151	## stdout: status=1
152	## OK dash/mksh stdout: status=2
153
154	#### cd away from dir that was deleted
155	dir=$TMP/cd-nonexistent
156	mkdir -p $dir
157	cd $dir
158	rmdir $dir
159	cd $TMP
160	echo $(basename $OLDPWD)
161	echo status=$?
162	## STDOUT:
163	cd-nonexistent
164	status=0
165	## END
166
167	#### cd permits double bare dash
168	cd -- /
169	echo $PWD
170	## stdout: /
171
172	#### cd to symlink with -L and -P
173	targ=$TMP/cd-symtarget
174	lnk=$TMP/cd-symlink
175	mkdir -p $targ
176	ln -s $targ $lnk
177
178	# -L behavior is the default
179	cd $lnk
180	test $PWD = "$TMP/cd-symlink" && echo OK
181
182	cd -L $lnk
183	test $PWD = "$TMP/cd-symlink" && echo OK
184
185	cd -P $lnk
186	test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
187	## STDOUT:
188	OK
189	OK
190	OK
191	## END
192
193	#### cd to relative path with -L and -P
194	die() { echo "$@"; exit 1; }
195
196	targ=$TMP/cd-symtarget/subdir
197	lnk=$TMP/cd-symlink
198	mkdir -p $targ
199	ln -s $targ $lnk
200
201	# -L behavior is the default
202	cd $lnk/subdir
203	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
204	cd ..
205	test $PWD = "$TMP/cd-symlink" && echo OK
206
207	cd $lnk/subdir
208	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
209	cd -L ..
210	test $PWD = "$TMP/cd-symlink" && echo OK
211
212	cd $lnk/subdir
213	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
214	cd -P ..
215	test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
216	## STDOUT:
217	OK
218	OK
219	OK
220	## END
221
222	#### Exit out of function
223	f() { exit 3; }
224	f
225	exit 4
226	## status: 3
227
228	#### Exit builtin with invalid arg
229	exit invalid
230	# Rationale: runtime errors are 1
231	## status: 1
232	## OK dash/bash status: 2
233
234	#### Exit builtin with too many args
235	# This is a parse error in OSH.
236	exit 7 8 9
237	echo status=$?
238	## status: 2
239	## stdout-json: ""
240	## BUG bash status: 0
241	## BUG bash stdout: status=1
242	## BUG dash status: 7
243	## BUG dash stdout-json: ""
244	## OK mksh status: 1
245	## OK mksh stdout-json: ""
246
247	#### time block
248	# bash and mksh work; dash does't.
249	# TODO: osh needs to implement BraceGroup redirect properly.
250	err=_tmp/time-$(basename $SH).txt
251	{
252	time {
253	sleep 0.01
254	sleep 0.02
255	}
256	} 2> $err
257	cat $err | grep --only-matching real
258	# Just check that we found 'real'.
259	# This is fiddly:
260	# | sed -n -E -e 's/.*(0m0\.03).*/\1/'
261	#
262	## status: 0
263	## stdout: real
264	## BUG dash status: 2
265	## BUG dash stdout-json: ""
266
267	#### time pipeline
268	time echo hi | wc -c
269	## stdout: 3
270	## status: 0
271
272	#### shift
273	set -- 1 2 3 4
274	shift
275	echo "$@"
276	shift 2
277	echo "$@"
278	## stdout-json: "2 3 4\n4\n"
279	## status: 0
280
281	#### Shifting too far
282	set -- 1
283	shift 2
284	## status: 1
285	## OK dash status: 2
286
287	#### Invalid shift argument
288	shift ZZZ
289	## status: 2
290	## OK bash status: 1
291	## BUG mksh status: 0
292
293	#### get umask
294	umask | grep '[0-9]\+' # check for digits
295	## status: 0
296
297	#### set umask in octal
298	rm -f $TMP/umask-one $TMP/umask-two
299	umask 0002
300	echo one > $TMP/umask-one
301	umask 0022
302	echo two > $TMP/umask-two
303	stat -c '%a' $TMP/umask-one $TMP/umask-two
304	## status: 0
305	## stdout-json: "664\n644\n"
306	## stderr-json: ""
307
308	#### set umask symbolically
309	umask 0002 # begin in a known state for the test
310	rm $TMP/umask-one $TMP/umask-two
311	echo one > $TMP/umask-one
312	umask g-w,o-w
313	echo two > $TMP/umask-two
314	stat -c '%a' $TMP/umask-one $TMP/umask-two
315	## status: 0
316	## STDOUT:
317	664
318	644
319	## END
320	## stderr-json: ""