1	#!/usr/bin/env bash
2
3	### echo dashes
4	echo -
5	echo --
6	echo ---
7	# stdout-json: "-\n--\n---\n"
8
9	### echo -en
10	echo -en 'abc\ndef\n'
11	# stdout-json: "abc\ndef\n"
12	# N-I dash stdout-json: "-en abc\ndef\n\n"
13
14	### echo -ez (invalid flag)
15	# bash differs from the other two shells, but its behavior is possibly more
16	# sensible, if you're going to ignore the error. It doesn't make sense for the
17	# 'e' to mean 2 different things simultaneously: flag and literal to be
18	# printed.
19	echo -ez 'abc\n'
20	# stdout-json: "-ez abc\\n\n"
21	# BUG dash/mksh stdout-json: "-ez abc\n\n"
22
23	### exec builtin
24	exec echo hi
25	# stdout: hi
26
27	### exec builtin with redirects
28	exec 1>&2
29	echo 'to stderr'
30	# stdout-json: ""
31	# stderr: to stderr
32
33	### exec builtin with here doc
34	# This has in a separate file because both code and data can be read from
35	# stdin.
36	$SH spec/exec-here-doc.sh
37	# stdout-json: "x=one\ny=two\nDONE\n"
38
39	### cd and $PWD
40	cd /
41	echo $PWD
42	# stdout: /
43
44	### $OLDPWD
45	cd /
46	cd $TMP
47	echo "old: $OLDPWD"
48	cd -
49	# stdout-json: "old: /\n/\n"
50
51	### cd with no arguments
52	HOME=$TMP/home
53	mkdir -p $HOME
54	cd
55	test $(pwd) = "$HOME" && echo OK
56	# stdout: OK
57
58	### cd to nonexistent dir
59	cd /nonexistent/dir
60	echo status=$?
61	# stdout: status=1
62	# OK dash/mksh stdout: status=2
63
64	### pushd/popd
65	set -o errexit
66	cd /
67	pushd $TMP
68	popd
69	pwd
70	# status: 0
71	# N-I dash/mksh status: 127
72
73	### Eval
74	eval "a=3"
75	echo $a
76	# stdout: 3
77
78	### Source
79	lib=$TMP/spec-test-lib.sh
80	echo 'LIBVAR=libvar' > $lib
81	. $lib # dash doesn't have source
82	echo $LIBVAR
83	# stdout: libvar
84
85	### Source nonexistent
86	source /nonexistent/path
87	echo status=$?
88	# stdout: status=1
89	# OK dash stdout: status=127
90
91	### Source with no arguments
92	source
93	echo status=$?
94	# stdout: status=1
95	# OK bash stdout: status=2
96	# OK dash stdout: status=127
97
98	### Exit builtin
99	exit 3
100	# status: 3
101
102	### Exit builtin with invalid arg
103	exit invalid
104	# Rationale: runtime errors are 1
105	# status: 1
106	# OK dash/bash status: 2
107
108	### Exit builtin with too many args
109	exit 7 8 9
110	echo "no exit: $?"
111	# status: 0
112	# stdout-json: "no exit: 1\n"
113	# BUG dash status: 7
114	# BUG dash stdout-json: ""
115	# OK mksh status: 1
116	# OK mksh stdout-json: ""
117
118	### time block
119	# bash and mksh work; dash does't.
120	# TODO: osh needs to implement BraceGroup redirect properly.
121	err=_tmp/time-$(basename $SH).txt
122	{
123	time {
124	sleep 0.01
125	sleep 0.02
126	}
127	} 2> $err
128	cat $err | grep --only-matching real
129	# Just check that we found 'real'.
130	# This is fiddly:
131	# | sed -n -E -e 's/.*(0m0\.03).*/\1/'
132	#
133	# status: 0
134	# stdout: real
135	# BUG dash status: 2
136	# BUG dash stdout-json: ""
137
138	### time pipeline
139	time echo hi | wc -c
140	# stdout: 3
141	# status: 0
142
143	### shift
144	set -- 1 2 3 4
145	shift
146	echo "$@"
147	shift 2
148	echo "$@"
149	# stdout-json: "2 3 4\n4\n"
150	# status: 0
151
152	### Shifting too far
153	set -- 1
154	shift 2
155	# status: 1
156	# OK dash status: 2
157
158	### Invalid shift argument
159	shift ZZZ
160	# status: 1
161	# OK dash status: 2
162	# BUG mksh status: 0
163
164	### Read builtin
165	# NOTE: there are TABS below
166	read x <<EOF
167	A B C D E
168	FG
169	EOF
170	echo "[$x]"
171	# stdout: [A B C D E]
172	# status: 0
173
174	### Read builtin with no newline.
175	# This is odd because the variable is populated successfully. OSH/Oil might
176	# need a separate put reading feature that doesn't use IFS.
177	echo -n ZZZ | { read x; echo $?; echo $x; }
178	# stdout-json: "1\nZZZ\n"
179	# status: 0
180
181	### Read builtin with multiple variables
182	# NOTE: there are TABS below
183	read x y z <<EOF
184	A B C D E
185	FG
186	EOF
187	echo "$x/$y/$z"
188	# stdout: A/B/C D E
189	# status: 0
190
191	### Read builtin with not enough variables
192	set -o errexit
193	set -o nounset # hm this doesn't change it
194	read x y z <<EOF
195	A B
196	EOF
197	echo /$x/$y/$z/
198	# stdout: /A/B//
199	# status: 0
200
201	### get umask
202	umask | grep '[0-9]\+' # check for digits
203	# status: 0
204
205	### Read -n (with $REPLY)
206	echo 12345 > $TMP/readn.txt
207	read -n 4 x < $TMP/readn.txt
208	read -n 2 < $TMP/readn.txt # Do it again with no variable
209	argv.py $x $REPLY
210	# stdout: ['1234', '12']
211	# N-I dash stdout: []
212
213	### read -r ignores backslashes
214	echo 'one\ two' > $TMP/readr.txt
215	read escaped < $TMP/readr.txt
216	read -r raw < $TMP/readr.txt
217	argv "$escaped" "$raw"
218	# stdout: ['one two', 'one\\ two']
219
220	### get umask
221	umask | grep '[0-9]\+' # check for digits
222	# status: 0
223
224	### set umask in octal
225	rm $TMP/umask-one $TMP/umask-two
226	umask 0002
227	echo one > $TMP/umask-one
228	umask 0022
229	echo two > $TMP/umask-two
230	stat -c '%a' $TMP/umask-one $TMP/umask-two
231	# status: 0
232	# stdout-json: "664\n644\n"
233	# stderr-json: ""
234
235	### set umask symbolically
236	rm $TMP/umask-one $TMP/umask-two
237	echo one > $TMP/umask-one
238	umask g-w,o-w
239	echo two > $TMP/umask-two
240	stat -c '%a' $TMP/umask-one $TMP/umask-two
241	# status: 0
242	# stdout-json: "664\n644\n"
243	# stderr-json: ""
244