1	#!/usr/bin/env 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	#### Storing backslashes and then echoing them
55	# This is a bug fix; it used to cause problems with unescaping.
56	one='\'
57	two='\\'
58	echo $one $two
59	echo "$one" "$two"
60	## STDOUT:
61	\ \\
62	\ \\
63	## END
64	## BUG dash/mksh STDOUT:
65	\ \
66	\ \
67	## END
68
69	#### Backslash escapes
70	echo \$ \| \a \b \c \d \\
71	## stdout: $ | a b c d \
72
73	#### Backslash escapes inside double quoted string
74	echo "\$ \\ \\ \p \q"
75	## stdout: $ \ \ \p \q
76
77	#### C-style backslash escapes inside double quoted string
78	# mksh and dash implement POSIX incompatible extensions. $ ` " \ <newline>
79	# are the only special ones
80	echo "\a \b"
81	## stdout: \a \b
82	## BUG dash/mksh stdout-json: "\u0007 \u0008\n"
83
84	# BUG
85
86	#### Literal $
87	echo $
88	## stdout: $
89
90	#### Quoted Literal $
91	echo $ "$" $
92	## stdout: $ $ $
93
94	#### Line continuation
95	echo foo\
96	$
97	## stdout: foo$
98
99	#### Line continuation inside double quotes
100	echo "foo\
101	$"
102	## stdout: foo$
103
104	#### $? split over multiple lines
105	# Same with $$, etc. OSH won't do this because $? is a single token.
106	echo $\
107	?
108	## stdout: $?
109	## OK bash/mksh stdout: 0
110
111	#
112	# Bad quotes
113	#
114
115	# TODO: Also test unterminated quotes inside ${} and $()
116
117	#### Unterminated single quote
118	## code: ls foo bar '
119	## status: 2
120	## OK mksh status: 1
121
122	#### Unterminated double quote
123	## code: ls foo bar "
124	## status: 2
125	## OK mksh status: 1
126
127
128	#
129	# TODO: Might be another section?
130	#
131
132	#### Semicolon
133	echo separated; echo by semi-colon
134	## stdout-json: "separated\nby semi-colon\n"
135
136	#
137	# TODO: Variable substitution operators.
138	#
139
140	#### No tab escapes within single quotes
141	# dash and mksh allow this, which is a BUG.
142	# POSIX says: "Enclosing characters in single-quotes ( '' ) shall preserve the
143	# literal value of each character within the single-quotes. A single-quote
144	# cannot occur within single-quotes"
145	echo 'a\tb'
146	## stdout: a\tb
147	## BUG dash/mksh stdout-json: "a\tb\n"
148
149	# See if it supports ANSI C escapes. Bash supports this, but dash does NOT. I
150	# guess dash you would do IFS=$(printf '\n\t')
151
152	#### $''
153	echo $'foo'
154	## stdout: foo
155	## N-I dash stdout: $foo
156
157	#### $'' with quotes
158	echo $'single \' double \"'
159	## stdout: single ' double "
160	## N-I dash stdout-json: ""
161	## N-I dash status: 2
162
163	#### $'' with newlines
164	echo $'col1\ncol2\ncol3'
165	## stdout-json: "col1\ncol2\ncol3\n"
166	# In dash, \n is special within single quotes
167	## N-I dash stdout-json: "$col1\ncol2\ncol3\n"
168
169	#### $'' octal escapes don't have leading 0
170	# echo -e syntax is echo -e \0377
171	echo -n $'\001' $'\377' | od -A n -c | sed 's/ \+/ /g'
172	## STDOUT:
173	001 377
174	## END
175	## N-I dash STDOUT:
176	$ 001 $ 377
177	## END
178
179	#### $'' octal escapes with fewer than 3 chars
180	echo $'\1 \11 \11 \111' | od -A n -c | sed 's/ \+/ /g'
181	## STDOUT:
182	001 \t \t I \n
183	## END
184	## N-I dash STDOUT:
185	$ 001 \t \t I \n
186	## END
187
188	#### $""
189	echo $"foo"
190	## stdout: foo
191	## N-I dash/ash stdout: $foo
192
193	#### printf
194	# This accepts \t by itself, hm.
195	printf "c1\tc2\nc3\tc4\n"
196	## stdout-json: "c1\tc2\nc3\tc4\n"