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: $OLDPWD"
28	cd -
29	## stdout-json: "old: /\n/\n"
30
31	#### pwd
32	cd /
33	pwd
34	## STDOUT:
35	/
36	## END
37
38	#### pwd after cd ..
39	dir=$TMP/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 $tmp/symlink
60	## stdout: symtarg
61
62	#### Test the current directory after 'cd ..' involving symlinks
63	dir=$TMP/symlinktest
64	mkdir -p $dir
65	cd $dir
66	mkdir -p a/b/c
67	mkdir -p a/b/d
68	ln -s -f a/b/c c > /dev/null
69	cd c
70	cd ..
71	# Expecting a c/ (since we are in symlinktest) but osh gives c d (thinks we are
72	# in b/)
73	ls
74	## STDOUT:
75	a
76	c
77	## END
78
79	#### cd with no arguments
80	HOME=$TMP/home
81	mkdir -p $HOME
82	cd
83	test $(pwd) = "$HOME" && echo OK
84	## stdout: OK
85
86	#### cd to nonexistent dir
87	cd /nonexistent/dir
88	echo status=$?
89	## stdout: status=1
90	## OK dash/mksh stdout: status=2
91
92	#### cd away from dir that was deleted
93	dir=$TMP/cd-nonexistent
94	mkdir -p $dir
95	cd $dir
96	rmdir $dir
97	cd $TMP
98	echo $(basename $OLDPWD)
99	echo status=$?
100	## STDOUT:
101	cd-nonexistent
102	status=0
103	## END
104
105	#### cd permits double bare dash
106	cd -- /
107	echo $PWD
108	## stdout: /
109
110	#### cd to symlink with -L and -P
111	targ=$TMP/cd-symtarget
112	lnk=$TMP/cd-symlink
113	mkdir -p $targ
114	ln -s $targ $lnk
115
116	# -L behavior is the default
117	cd $lnk
118	test $PWD = "$TMP/cd-symlink" && echo OK
119
120	cd -L $lnk
121	test $PWD = "$TMP/cd-symlink" && echo OK
122
123	cd -P $lnk
124	test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
125	## STDOUT:
126	OK
127	OK
128	OK
129	## END
130
131	#### cd to relative path with -L and -P
132	die() { echo "$@"; exit 1; }
133
134	targ=$TMP/cd-symtarget/subdir
135	lnk=$TMP/cd-symlink
136	mkdir -p $targ
137	ln -s $targ $lnk
138
139	# -L behavior is the default
140	cd $lnk/subdir
141	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
142	cd ..
143	test $PWD = "$TMP/cd-symlink" && echo OK
144
145	cd $lnk/subdir
146	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
147	cd -L ..
148	test $PWD = "$TMP/cd-symlink" && echo OK
149
150	cd $lnk/subdir
151	test $PWD = "$TMP/cd-symlink/subdir" || die "failed"
152	cd -P ..
153	test $PWD = "$TMP/cd-symtarget" && echo OK || echo $PWD
154	## STDOUT:
155	OK
156	OK
157	OK
158	## END
159
160	#### pushd/popd
161	set -o errexit
162	cd /
163	pushd $TMP
164	popd
165	pwd
166	## status: 0
167	## N-I dash/mksh status: 127
168
169	#### Exit out of function
170	f() { exit 3; }
171	f
172	exit 4
173	## status: 3
174
175	#### Exit builtin with invalid arg
176	exit invalid
177	# Rationale: runtime errors are 1
178	## status: 1
179	## OK dash/bash status: 2
180
181	#### Exit builtin with too many args
182	# This is a parse error in OSH.
183	exit 7 8 9
184	echo status=$?
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: ""