1	#!/bin/bash
2	#
3	# Tests for quotes.
4
5	### Unquoted words
6	echo unquoted words
7	# stdout: unquoted words
8
9	### Single-quoted
10	echo 'single quoted'
11	# stdout: single quoted
12
13	### Two single-quoted parts
14	echo 'two single-quoted pa''rts in one token'
15	# stdout: two single-quoted parts in one token
16
17	### Unquoted and single quoted
18	echo unquoted' and single-quoted'
19	# stdout: unquoted and single-quoted
20
21	### newline inside single-quoted string
22	echo 'newline
23	inside single-quoted string'
24	# stdout-json: "newline\ninside single-quoted string\n"
25
26	### Double-quoted
27	echo "double quoted"
28	# stdout: double quoted
29
30	### Mix of quotes in one word
31	echo unquoted' single-quoted'" double-quoted "unquoted
32	# stdout: unquoted single-quoted double-quoted unquoted
33
34	### Var substitution
35	FOO=bar
36	echo "==$FOO=="
37	# stdout: ==bar==
38
39	### Var substitution with braces
40	FOO=bar
41	echo foo${FOO}
42	# stdout: foobar
43
44	### Var substitution with braces, quoted
45	FOO=bar
46	echo "foo${FOO}"
47	# stdout: foobar
48
49	### Var length
50	FOO=bar
51	echo "foo${#FOO}"
52	# stdout: foo3
53
54	### Backslash escapes
55	echo \$ \| \a \b \c \d \\
56	# stdout: $ | a b c d \
57
58	### Backslash escapes inside double quoted string
59	echo "\$ \\ \\ \p \q"
60	# stdout: $ \ \ \p \q
61
62	### C-style backslash escapes inside double quoted string
63	# mksh and dash implement POSIX incompatible extensions. $ ` " \ <newline>
64	# are the only special ones
65	echo "\a \b"
66	# stdout: \a \b
67	# BUG dash/mksh stdout-json: "\u0007 \u0008\n"
68
69	# BUG
70
71	### Literal $
72	echo $
73	# stdout: $
74
75	### Quoted Literal $
76	echo $ "$" $
77	# stdout: $ $ $
78
79	### Line continuation
80	echo foo\
81	$
82	# stdout: foo$
83
84	### $? split over multiple lines
85	# Same with $$, etc. OSH won't do this because $? is a single token.
86	echo $\
87	?
88	# stdout: $?
89	# OK bash/mksh stdout: 0
90
91	#
92	# Bad quotes
93	#
94
95	# TODO: Also test unterminated quotes inside ${} and $()
96
97	### Unterminated single quote
98	# code: ls foo bar '
99	# status: 2
100	# OK mksh status: 1
101
102	### Unterminated double quote
103	# code: ls foo bar "
104	# status: 2
105	# OK mksh status: 1
106
107
108	#
109	# TODO: Might be another section?
110	#
111
112	### Semicolon
113	echo separated; echo by semi-colon
114	# stdout-json: "separated\nby semi-colon\n"
115
116	#
117	# TODO: Variable substitution operators.
118	#
119
120	### No tab escapes within single quotes
121	# dash and mksh allow this, which is a BUG.
122	# POSIX says: "Enclosing characters in single-quotes ( '' ) shall preserve the
123	# literal value of each character within the single-quotes. A single-quote
124	# cannot occur within single-quotes"
125	echo 'a\tb'
126	# stdout: a\tb
127	# BUG dash/mksh stdout-json: "a\tb\n"
128
129	# See if it supports ANSI C escapes. Bash supports this, but dash does NOT. I
130	# guess dash you would do IFS=$(printf '\n\t')
131
132	### $''
133	echo $'foo'
134	# stdout: foo
135	# N-I dash stdout: $foo
136
137	### $'' with newlines
138	echo $'col1\ncol2\ncol3'
139	# stdout-json: "col1\ncol2\ncol3\n"
140	# In dash, \n is special within single quotes
141	# N-I dash stdout-json: "$col1\ncol2\ncol3\n"
142
143	### $""
144	echo $"foo"
145	# stdout: foo
146	# N-I dash stdout: $foo
147
148	### printf
149	# This accepts \t by itself, hm.
150	printf "c1\tc2\nc3\tc4\n"
151	# stdout-json: "c1\tc2\nc3\tc4\n"