1	#!/bin/bash
2	#
3	# Test set flags, sh flags.
4
5	### nounset
6	echo "[$unset]"
7	set -o nounset
8	echo "[$unset]"
9	echo end # never reached
10	# stdout: []
11	# status: 1
12	# OK dash status: 2
13
14	### -u is nounset
15	echo "[$unset]"
16	set -u
17	echo "[$unset]"
18	echo end # never reached
19	# stdout: []
20	# status: 1
21	# OK dash status: 2
22
23	### reset option with long flag
24	set -o errexit
25	set +o errexit
26	echo "[$unset]"
27	# stdout: []
28	# status: 0
29
30	### reset option with short flag
31	set -u
32	set +u
33	echo "[$unset]"
34	# stdout: []
35	# status: 0
36
37	### sh -c
38	$SH -c 'echo hi'
39	# stdout: hi
40	# status: 0
41
42	### -n for no execution (useful with --ast-output)
43	# NOTE: set +n doesn't work because nothing is executed!
44	echo 1
45	set -n
46	echo 2
47	set +n
48	echo 3
49	# stdout-json: "1\n"
50	# status: 0
51
52	### xtrace
53	echo 1
54	set -o xtrace
55	echo 2
56	# stdout-json: "1\n2\n"
57	# stderr: + echo 2