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