1	#
2	# Test the case statement
3
4	#### Case statement
5	case a in
6	a) echo A ;;
7	*) echo star ;;
8	esac
9	## stdout: A
10
11	#### Case statement with ;;&
12	# ;;& keeps testing conditions
13	# NOTE: ;& and ;;& are bash 4 only, no on Mac
14	case a in
15	a) echo A ;;&
16	*) echo star ;;&
17	*) echo star2 ;;
18	esac
19	## status: 0
20	## stdout-json: "A\nstar\nstar2\n"
21	## N-I dash stdout-json: ""
22	## N-I dash status: 2
23
24	#### Case statement with ;&
25	# ;& ignores the next condition. Why would that be useful?
26	case a in
27	a) echo A ;&
28	XX) echo two ;&
29	YY) echo three ;;
30	esac
31	## status: 0
32	## stdout-json: "A\ntwo\nthree\n"
33	## N-I dash stdout-json: ""
34	## N-I dash status: 2
35
36	#### Case with empty condition
37	case $empty in
38	''|foo) echo match ;;
39	*) echo no ;;
40	esac
41	## stdout: match
42
43	#### Match a literal with a glob character
44	x='*.py'
45	case "$x" in
46	'*.py') echo match ;;
47	esac
48	## stdout: match
49
50	#### Match a literal with a glob character with a dynamic pattern
51	x='b.py'
52	pat='[ab].py'
53	case "$x" in
54	$pat) echo match ;;
55	esac
56	## stdout: match
57
58	#### Quoted literal in glob pattern
59	x='[ab].py'
60	pat='[ab].py'
61	case "$x" in
62	"$pat") echo match ;;
63	esac
64	## stdout: match
65
66	#### Multiple Patterns Match
67	x=foo
68	result='-'
69	case "$x" in
70	f*|*o) result="$result X"
71	esac
72	echo $result
73	## stdout: - X
74
75	#### Match one unicode char
76
77	# These two code points form a single character.
78	two_code_points="__$(echo $'\u0061\u0300')__"
79
80	# U+0061 is A, and U+0300 is an accent.
81	#
82	# (Example taken from # https://blog.golang.org/strings)
83	#
84	# However ? in bash/zsh only counts CODE POINTS. They do NOT take into account
85	# this case.
86
87	for s in '__a__' '__μ__' "$two_code_points"; do
88	case $s in
89	__?__)
90	echo yes
91	;;
92	*)
93	echo no
94	esac
95	done
96	## STDOUT:
97	yes
98	yes
99	no
100	## END
101	## BUG dash/mksh STDOUT:
102	yes
103	no
104	no
105	## END
106
107	#### case with single byte LC_ALL=C
108
109	LC_ALL=C
110
111	c=$(printf \\377)
112
113	# OSH prints -1 here
114	#echo "${#c}"
115
116	case $c in
117	'') echo a ;;
118	"$c") echo b ;;
119	esac
120
121	## STDOUT:
122	b
123	## END
124
125	#### \(\) in pattern (regression)
126	s='foo()'
127
128	case $s in
129	*\(\)) echo 'match'
130	esac
131
132	case $SH in (dash) exit;; esac # not implemented
133
134	shopt -s extglob
135
136	case $s in
137	*(foo|bar)'()') echo 'extglob'
138	esac
139	## STDOUT:
140	match
141	extglob
142	## END
143	## N-I dash STDOUT:
144	match
145	## END