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: $OLDPWD"
28	cd -
29	# stdout-json: "old: /\n/\n"
30
31	### cd with no arguments
32	HOME=$TMP/home
33	mkdir -p $HOME
34	cd
35	test $(pwd) = "$HOME" && echo OK
36	# stdout: OK
37
38	### cd to nonexistent dir
39	cd /nonexistent/dir
40	echo status=$?
41	# stdout: status=1
42	# OK dash/mksh stdout: status=2
43
44	### cd away from dir that was deleted
45	dir=$TMP/cd-nonexistent
46	mkdir -p $dir
47	cd $dir
48	rmdir $dir
49	cd $TMP
50	echo $(basename $OLDPWD)
51	echo status=$?
52	## STDOUT:
53	cd-nonexistent
54	status=0
55	## END
56
57	### pushd/popd
58	set -o errexit
59	cd /
60	pushd $TMP
61	popd
62	pwd
63	# status: 0
64	# N-I dash/mksh status: 127
65
66	### Eval
67	eval "a=3"
68	echo $a
69	# stdout: 3
70
71	### Source
72	lib=$TMP/spec-test-lib.sh
73	echo 'LIBVAR=libvar' > $lib
74	. $lib # dash doesn't have source
75	echo $LIBVAR
76	# stdout: libvar
77
78	### Source nonexistent
79	source /nonexistent/path
80	echo status=$?
81	# stdout: status=1
82	# OK dash stdout: status=127
83
84	### Source with no arguments
85	source
86	echo status=$?
87	# stdout: status=1
88	# OK bash stdout: status=2
89	# OK dash stdout: status=127
90
91	### Exit out of function
92	f() { exit 3; }
93	f
94	exit 4
95	# status: 3
96
97	### Exit builtin with invalid arg
98	exit invalid
99	# Rationale: runtime errors are 1
100	# status: 1
101	# OK dash/bash status: 2
102
103	### Exit builtin with too many args
104	# This is a parse error in OSH.
105	exit 7 8 9
106	echo status=$?
107	# status: 2
108	# stdout-json: ""
109	# BUG bash status: 0
110	# BUG bash stdout: status=1
111	# BUG dash status: 7
112	# BUG dash stdout-json: ""
113	# OK mksh status: 1
114	# OK mksh stdout-json: ""
115
116	### time block
117	# bash and mksh work; dash does't.
118	# TODO: osh needs to implement BraceGroup redirect properly.
119	err=_tmp/time-$(basename $SH).txt
120	{
121	time {
122	sleep 0.01
123	sleep 0.02
124	}
125	} 2> $err
126	cat $err | grep --only-matching real
127	# Just check that we found 'real'.
128	# This is fiddly:
129	# | sed -n -E -e 's/.*(0m0\.03).*/\1/'
130	#
131	# status: 0
132	# stdout: real
133	# BUG dash status: 2
134	# BUG dash stdout-json: ""
135
136	### time pipeline
137	time echo hi | wc -c
138	# stdout: 3
139	# status: 0
140
141	### shift
142	set -- 1 2 3 4
143	shift
144	echo "$@"
145	shift 2
146	echo "$@"
147	# stdout-json: "2 3 4\n4\n"
148	# status: 0
149
150	### Shifting too far
151	set -- 1
152	shift 2
153	# status: 1
154	# OK dash status: 2
155
156	### Invalid shift argument
157	shift ZZZ
158	# status: 1
159	# OK dash status: 2
160	# BUG mksh status: 0
161
162	### get umask
163	umask | grep '[0-9]\+' # check for digits
164	# status: 0
165
166	### set umask in octal
167	rm $TMP/umask-one $TMP/umask-two
168	umask 0002
169	echo one > $TMP/umask-one
170	umask 0022
171	echo two > $TMP/umask-two
172	stat -c '%a' $TMP/umask-one $TMP/umask-two
173	# status: 0
174	# stdout-json: "664\n644\n"
175	# stderr-json: ""
176
177	### set umask symbolically
178	rm $TMP/umask-one $TMP/umask-two
179	echo one > $TMP/umask-one
180	umask g-w,o-w
181	echo two > $TMP/umask-two
182	stat -c '%a' $TMP/umask-one $TMP/umask-two
183	# status: 0
184	# stdout-json: "664\n644\n"
185	# stderr-json: ""
186