1	#
2	# Usage:
3	# ./sh-usage.test.sh <function name>
4
5	#### sh -c
6	$SH -c 'echo hi'
7	## stdout: hi
8	## status: 0
9
10	#### empty -c input
11	# had a bug here
12	$SH -c ''
13	## stdout-json: ""
14	## status: 0
15
16	#### sh +c is accepted
17	$SH +c 'echo hi'
18	## stdout: hi
19	## status: 0
20	## N-I mksh/yash stdout-json: ""
21	## N-I mksh/yash status: 127
22
23	#### empty stdin
24	# had a bug here
25	echo -n '' | $SH
26	## stdout-json: ""
27	## status: 0
28
29	#### shell obeys --help (regression for OSH)
30	n=$($SH --help | wc -l)
31	if test $n -gt 0; then
32	echo yes
33	fi
34	## STDOUT:
35	yes
36	## END
37	## N-I dash/mksh stdout-json: ""
38
39	#### args are passed
40	$SH -c 'argv.py "$@"' dummy a b
41	## stdout: ['a', 'b']
42
43	#### args that look like flags are passed after script
44	script=$TMP/sh1.sh
45	echo 'argv.py "$@"' > $script
46	chmod +x $script
47	$SH $script --help --help -h
48	## stdout: ['--help', '--help', '-h']
49
50	#### args that look like flags are passed after -c
51	$SH -c 'argv.py "$@"' --help --help -h
52	## stdout: ['--help', '-h']
53
54	#### exit with explicit arg
55	exit 42
56	## status: 42
57
58	#### exit with no args
59	false
60	exit
61	## status: 1
62
63	#### --rcfile in non-interactive shell prints warnings
64	echo 'echo rc' > rc
65
66	$SH --rcfile rc -i </dev/null 2>interactive.txt
67	grep -q 'warning' interactive.txt
68	echo warned=$? >&2
69
70	$SH --rcfile rc </dev/null 2>non-interactive.txt
71	grep -q 'warning' non-interactive.txt
72	echo warned=$? >&2
73
74	head *interactive.txt
75
76	## STDERR:
77	warned=1
78	warned=0
79	## END
80	## N-I bash/dash/mksh STDERR:
81	warned=1
82	warned=1
83	## END