1	#!/usr/bin/env bash
2
3	### Incomplete Function
4	# code: foo()
5	# status: 2
6	# BUG mksh status: 0
7
8	### Incomplete Function 2
9	# code: foo() {
10	# status: 2
11	# OK mksh status: 1
12
13	### Bad function
14	# code: foo(ls)
15	# status: 2
16	# OK mksh status: 1
17
18	### Unbraced function body.
19	# dash allows this, but bash does not. The POSIX grammar might not allow
20	# this? Because a function body needs a compound command.
21	# function_body : compound_command
22	# | compound_command redirect_list /* Apply rule 9 */
23	# code: one_line() ls; one_line;
24	# status: 0
25	# OK bash/osh status: 2
26
27	### Function with spaces, to see if ( and ) are separate tokens.
28	# NOTE: Newline after ( is not OK.
29	func ( ) { echo in-func; }; func
30	# stdout: in-func
31
32	### subshell function
33	# bash allows this.
34	i=0
35	j=0
36	inc() { i=$((i+5)); }
37	inc_subshell() ( j=$((j+5)); )
38	inc
39	inc_subshell
40	echo $i $j
41	# stdout: 5 0
42
43	### Hard case, function with } token in it
44	rbrace() { echo }; }; rbrace
45	# stdout: }
46
47	### . in function name
48	# bash accepts; dash doesn't
49	func-name.ext ( ) { echo func-name.ext; }
50	func-name.ext
51	# stdout: func-name.ext
52	# OK dash status: 2
53	# OK dash stdout-json: ""
54
55	### = in function name
56	# WOW, bash is so lenient. foo=bar is a command, I suppose. I think I'm doing
57	# to disallow this one.
58	func-name=ext ( ) { echo func-name=ext; }
59	func-name=ext
60	# stdout: func-name=ext
61	# OK dash status: 2
62	# OK dash stdout-json: ""
63	# OK mksh status: 1
64	# OK mksh stdout-json: ""
65
66	### Function name with $
67	# bash allows this; dash doesn't.
68	foo$bar() { ls ; }
69	# status: 2
70	# OK bash/mksh status: 1
71
72	### Function name with !
73	# bash allows this; dash doesn't.
74	foo!bar() { ls ; }
75	# status: 0
76	# OK dash status: 2
77
78	### Function name with -
79	# bash allows this; dash doesn't.
80	foo-bar() { ls ; }
81	# status: 0
82	# OK dash status: 2
83
84	### Break after ) is OK.
85	# newline is always a token in "normal" state.
86	echo hi; func ( )
87	{ echo in-func; }
88	func
89	# stdout-json: "hi\nin-func\n"
90
91	### Nested definition
92	# A function definition is a command, so it can be nested
93	func() {
94	nested_func() { echo nested; }
95	nested_func
96	}
97	func
98	# stdout: nested
99