1	#!/bin/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
25	### Function with spaces, to see if ( and ) are separate tokens.
26	# NOTE: Newline after ( is not OK.
27	func ( ) { echo in-func; }; func
28	# stdout: in-func
29
30	### subshell function
31	# bash allows this.
32	i=0
33	j=0
34	inc() { i=$((i+5)); }
35	inc_subshell() ( j=$((j+5)); )
36	inc
37	inc_subshell
38	echo $i $j
39	# stdout: 5 0
40
41	### Hard case, function with } token in it
42	rbrace() { echo }; }; rbrace
43	# stdout: }
44
45	### . in function name
46	# bash accepts; dash doesn't
47	func-name.ext ( ) { echo func-name.ext; }
48	func-name.ext
49	# stdout: func-name.ext
50	# OK dash status: 2
51	# OK dash stdout-json: ""
52
53	### = in function name
54	# WOW, bash is so lenient. foo=bar is a command, I suppose. I think I'm doing
55	# to disallow this one.
56	func-name=ext ( ) { echo func-name=ext; }
57	func-name=ext
58	# stdout: func-name=ext
59	# OK dash status: 2
60	# OK dash stdout-json: ""
61	# OK mksh status: 1
62	# OK mksh stdout-json: ""
63
64	### Function name with $
65	# bash allows this; dash doesn't.
66	foo$bar() { ls ; }
67	# status: 2
68	# OK bash/mksh status: 1
69
70	### Function name with !
71	# bash allows this; dash doesn't.
72	foo!bar() { ls ; }
73	# status: 0
74	# OK dash status: 2
75
76	### Function name with -
77	# bash allows this; dash doesn't.
78	foo-bar() { ls ; }
79	# status: 0
80	# OK dash status: 2
81
82	### Break after ) is OK.
83	# newline is always a token in "normal" state.
84	echo hi; func ( )
85	{ echo in-func; }
86	func
87	# stdout-json: "hi\nin-func\n"
88
89	### Nested definition
90	# A function definition is a command, so it can be nested
91	func() {
92	nested_func() { echo nested; }
93	nested_func
94	}
95	func
96	# stdout: nested
97