1	#!/usr/bin/env bash
2
3	#### sh -i
4	# This fails because OSH prompt goes to stdout, and other differences. It's
5	# probably OK to be honest.
6	echo 'echo foo' | PS1='$ ' $SH --rcfile /dev/null -i
7	## STDOUT:
8	foo
9	## END
10	## STDERR:
11	$ echo foo
12	$ exit
13	## END
14
15	#### \[\] are non-printing
16	PS1='\[foo\]\$'
17	echo "${PS1@P}"
18	## STDOUT:
19	foo$
20	## END
21
22	#### literal escapes
23	PS1='\a\e\r\n'
24	echo "${PS1@P}"
25	## stdout-json: "\u0007\u001b\r\n\n"
26
27	#### special case for $
28	# NOTE: This might be broken for # but it's hard to tell since we don't have
29	# root. Could inject __TEST_EUID or something.
30	PS1='$'
31	echo "${PS1@P}"
32	PS1='\$'
33	echo "${PS1@P}"
34	PS1='\\$'
35	echo "${PS1@P}"
36	PS1='\\\$'
37	echo "${PS1@P}"
38	PS1='\\\\$'
39	echo "${PS1@P}"
40	## STDOUT:
41	$
42	$
43	$
44	\$
45	\$
46	## END
47
48	#### PS1 evaluation order
49	x='\'
50	y='h'
51	PS1='$x$y'
52	echo "${PS1@P}"
53	## STDOUT:
54	\h
55	## END
56
57	#### PS1 evaluation order 2
58	foo=foo_value
59	dir=$TMP/'$foo' # Directory name with a dollar!
60	mkdir -p $dir
61	cd $dir
62	PS1='\w $foo'
63	test "${PS1@P}" = "$PWD foo_value"
64	echo status=$?
65	## STDOUT:
66	status=0
67	## END
68
69	#### \1004
70	PS1='\1004$'
71	echo "${PS1@P}"
72	## STDOUT:
73	@4$
74	## END
75
76	#### \001 octal literals are supported
77	PS1='[\045]'
78	echo "${PS1@P}"
79	## STDOUT:
80	[%]
81	## END
82
83	#### \555 is beyond max octal byte of \377 and wrapped to m
84	PS1='\555$'
85	echo "${PS1@P}"
86	## STDOUT:
87	m$
88	## END
89
90	#### \x55 hex literals not supported
91	PS1='[\x55]'
92	echo "${PS1@P}"
93	## STDOUT:
94	[\x55]
95	## END
96
97	#### Single backslash
98	PS1='\'
99	echo "${PS1@P}"
100	## BUG bash stdout-json: "\\\u0002\n"
101	## STDOUT:
102	\
103	## END
104
105	#### Escaped backslash
106	PS1='\\'
107	echo "${PS1@P}"
108	## BUG bash stdout-json: "\\\u0002\n"
109	## STDOUT:
110	\
111	## END
112
113	#### \0001 octal literals are not supported
114	PS1='[\0455]'
115	echo "${PS1@P}"
116	## STDOUT:
117	[%5]
118	## END
119
120	#### \u0001 unicode literals not supported
121	PS1='[\u0001]'
122	USER=$(whoami)
123	test "${PS1@P}" = "[${USER}0001]"
124	echo status=$?
125	## STDOUT:
126	status=0
127	## END
128
129	#### constant string
130	PS1='$ '
131	echo "${PS1@P}"
132	## STDOUT:
133	$
134	## END
135
136	#### hostname
137
138	# NOTE: This test is not hermetic. On my machine the short and long host name
139	# are the same.
140
141	PS1='\h '
142	test "${PS1@P}" = "$(hostname -s) " # short name
143	echo status=$?
144	PS1='\H '
145	test "${PS1@P}" = "$(hostname) "
146	echo status=$?
147	## STDOUT:
148	status=0
149	status=0
150	## END
151
152	#### username
153	PS1='\u '
154	USER=$(whoami)
155	test "${PS1@P}" = "${USER} "
156	echo status=$?
157	## STDOUT:
158	status=0
159	## END
160
161	#### current working dir
162	PS1='\w '
163	test "${PS1@P}" = "${PWD} "
164	echo status=$?
165	## STDOUT:
166	status=0
167	## END
168
169	#### \W is basename of working dir
170	PS1='\W '
171	test "${PS1@P}" = "$(basename $PWD) "
172	echo status=$?
173	## STDOUT:
174	status=0
175	## END