1	#!/usr/bin/env bash
2
3	#### zero args: [ ]
4	[ ] || echo false
5	## stdout: false
6
7	#### one arg: [ x ] where x is one of '=' '!' '(' ']'
8	[ = ]
9	echo status=$?
10	[ ] ]
11	echo status=$?
12	[ '!' ]
13	echo status=$?
14	[ '(' ]
15	echo status=$?
16	## STDOUT:
17	status=0
18	status=0
19	status=0
20	status=0
21	## END
22
23	#### one arg: empty string is false. Equivalent to -n.
24	test 'a' && echo true
25	test '' || echo false
26	## STDOUT:
27	true
28	false
29	## END
30
31	#### -a as unary operator (alias of -e)
32	# NOT IMPLEMENTED FOR OSH, but could be later. See comment in core/id_kind.py.
33	[ -a / ]
34	echo status=$?
35	[ -a /nonexistent ]
36	echo status=$?
37	## STDOUT:
38	status=0
39	status=1
40	## END
41	## N-I dash STDOUT:
42	status=2
43	status=2
44	## END
45
46	#### two args: -z with = ! ( ]
47	[ -z = ]
48	echo status=$?
49	[ -z ] ]
50	echo status=$?
51	[ -z '!' ]
52	echo status=$?
53	[ -z '(' ]
54	echo status=$?
55	## STDOUT:
56	status=1
57	status=1
58	status=1
59	status=1
60	## END
61
62	#### three args
63	[ foo = '' ]
64	echo status=$?
65	[ foo -a '' ]
66	echo status=$?
67	[ foo -o '' ]
68	echo status=$?
69	[ ! -z foo ]
70	echo status=$?
71	[ \( foo \) ]
72	echo status=$?
73	## STDOUT:
74	status=1
75	status=1
76	status=0
77	status=0
78	status=0
79	## END
80
81	#### four args
82	[ ! foo = foo ]
83	echo status=$?
84	[ \( -z foo \) ]
85	echo status=$?
86	## STDOUT:
87	status=1
88	status=1
89	## END
90
91	#### test with extra args is syntax error
92	test -n x ]
93	echo status=$?
94	test -n x y
95	echo status=$?
96	## STDOUT:
97	status=2
98	status=2
99	## END
100
101	#### ] syntax errors
102	[
103	echo status=$?
104	test # not a syntax error
105	echo status=$?
106	[ -n x # missing ]
107	echo status=$?
108	[ -n x ] y # extra arg after ]
109	echo status=$?
110	[ -n x y # extra arg
111	echo status=$?
112	## STDOUT:
113	status=2
114	status=1
115	status=2
116	status=2
117	status=2
118	## END
119
120	#### -n
121	test -n 'a' && echo true
122	test -n '' || echo false
123	## STDOUT:
124	true
125	false
126	## END
127
128	#### ! -a
129	[ -z '' -a ! -z x ]
130	echo status=$?
131	## stdout: status=0
132
133	#### -o
134	[ -z x -o ! -z x ]
135	echo status=$?
136	## stdout: status=0
137
138	#### ( )
139	[ -z '' -a '(' ! -z x ')' ]
140	echo status=$?
141	## stdout: status=0
142
143	#### ( ) ! -a -o with system version of [
144	command [ --version
145	command [ -z '' -a '(' ! -z x ')' ] && echo true
146	## stdout: true
147
148	#### == is alias for =
149	[ a = a ] && echo true
150	[ a == a ] && echo true
151	## STDOUT:
152	true
153	true
154	## END
155	## BUG dash STDOUT:
156	true
157	## END
158	## BUG dash status: 2
159
160	#### == and = does not do glob
161	[ abc = 'a*' ]
162	echo status=$?
163	[ abc == 'a*' ]
164	echo status=$?
165	## STDOUT:
166	status=1
167	status=1
168	## END
169	## N-I dash STDOUT:
170	status=1
171	status=2
172	## END
173
174	#### [ with op variable
175	# OK -- parsed AFTER evaluation of vars
176	op='='
177	[ a $op a ] && echo true
178	[ a $op b ] || echo false
179	## status: 0
180	## STDOUT:
181	true
182	false
183	## END
184
185	#### [ with unquoted empty var
186	empty=''
187	[ $empty = '' ] && echo true
188	## status: 2
189
190	#### [ compare with literal -f
191	# Hm this is the same
192	var=-f
193	[ $var = -f ] && echo true
194	[ '-f' = $var ] && echo true
195	## STDOUT:
196	true
197	true
198	## END
199
200	#### [ '(' foo ] is runtime syntax error
201	[ '(' foo ]
202	echo status=$?
203	## stdout: status=2
204
205	#### -z '>' implies two token lookahead
206	[ -z ] && echo true # -z is operand
207	[ -z '>' ] || echo false # -z is operator
208	[ -z '>' -- ] && echo true # -z is operand
209	## STDOUT:
210	true
211	false
212	true
213	## END
214
215	#### operator/operand ambiguity with ]
216	# bash parses this as '-z' AND ']', which is true. It's a syntax error in
217	# dash/mksh.
218	[ -z -a ] ]
219	echo status=$?
220	## stdout: status=0
221	## OK mksh stdout: status=2
222	## OK dash stdout: status=2
223
224	#### operator/operand ambiguity with -a
225	# bash parses it as '-z' AND '-a'. It's a syntax error in mksh but somehow a
226	# runtime error in dash.
227	[ -z -a -a ]
228	echo status=$?
229	## stdout: status=0
230	## OK mksh stdout: status=2
231	## OK dash stdout: status=1
232
233	#### -d
234	test -d $TMP
235	echo status=$?
236	test -d $TMP/__nonexistent_Z_Z__
237	echo status=$?
238	## STDOUT:
239	status=0
240	status=1
241	## END
242
243	#### -x
244	rm -f $TMP/x
245	echo 'echo hi' > $TMP/x
246	test -x $TMP/x || echo 'no'
247	chmod +x $TMP/x
248	test -x $TMP/x && echo 'yes'
249	test -x $TMP/__nonexistent__ || echo 'bad'
250	## STDOUT:
251	no
252	yes
253	bad
254	## END
255
256	#### -r
257	echo '1' > $TMP/testr_yes
258	echo '2' > $TMP/testr_no
259	chmod -r $TMP/testr_no # remove read permission
260	test -r $TMP/testr_yes && echo 'yes'
261	test -r $TMP/testr_no || echo 'no'
262	## STDOUT:
263	yes
264	no
265	## END
266
267	#### -w
268	rm -f $TMP/testw_*
269	echo '1' > $TMP/testw_yes
270	echo '2' > $TMP/testw_no
271	chmod -w $TMP/testw_no # remove write permission
272	test -w $TMP/testw_yes && echo 'yes'
273	test -w $TMP/testw_no || echo 'no'
274	## STDOUT:
275	yes
276	no
277	## END
278
279	#### -h and -L test for symlink
280	tmp=$TMP/builtin-test-1
281	mkdir -p $tmp
282	touch $tmp/zz
283	ln -s -f $tmp/zz $tmp/symlink
284	ln -s -f $tmp/__nonexistent_ZZ__ $tmp/dangling
285	test -L $tmp/zz || echo no
286	test -h $tmp/zz || echo no
287	test -f $tmp/symlink && echo is-file
288	test -L $tmp/symlink && echo symlink
289	test -h $tmp/symlink && echo symlink
290	test -L $tmp/dangling && echo dangling
291	test -h $tmp/dangling && echo dangling
292	test -f $tmp/dangling || echo 'dangling is not file'
293	## STDOUT:
294	no
295	no
296	is-file
297	symlink
298	symlink
299	dangling
300	dangling
301	dangling is not file
302	## END
303
304	#### -t 1 for stdout
305	# There is no way to get a terminal in the test environment?
306	[ -t 1 ]
307	echo status=$?
308	## stdout: status=1
309
310	#### [ -t invalid ]
311	[ -t invalid ]
312	echo status=$?
313	## stdout: status=2
314	## BUG bash stdout: status=1
315
316	#### -ot and -nt
317	touch -d 2017/12/31 $TMP/x
318	touch -d 2018/01/01 > $TMP/y
319	test $TMP/x -ot $TMP/y && echo 'older'
320	test $TMP/x -nt $TMP/y || echo 'not newer'
321	test $TMP/x -ot $TMP/x || echo 'not older than itself'
322	test $TMP/x -nt $TMP/x || echo 'not newer than itself'
323	## STDOUT:
324	older
325	not newer
326	not older than itself
327	not newer than itself
328	## END
329
330	#### [ a -eq b ]
331	[ a -eq a ]
332	echo status=$?
333	## STDOUT:
334	status=2
335	## END
336	## BUG mksh STDOUT:
337	status=0
338	## END
339
340	#### test -s
341	test -s __nonexistent
342	echo status=$?
343	touch $TMP/empty
344	test -s $TMP/empty
345	echo status=$?
346	echo nonempty > $TMP/nonempty
347	test -s $TMP/nonempty
348	echo status=$?
349	## STDOUT:
350	status=1
351	status=1
352	status=0
353	## END
354
355	#### test -b -c -S (block, character, socket)
356	# NOTE: we do not have the "true" case
357
358	echo -b
359	test -b nonexistent
360	echo status=$?
361	test -b testdata
362	echo status=$?
363
364	echo -c
365	test -c nonexistent
366	echo status=$?
367	test -c testdata
368	echo status=$?
369
370	echo -S
371	test -S nonexistent
372	echo status=$?
373	test -S testdata
374	echo status=$?
375
376	## STDOUT:
377	-b
378	status=1
379	status=1
380	-c
381	status=1
382	status=1
383	-S
384	status=1
385	status=1
386	## END
387
388
389	#### test -p named pipe
390	mkfifo $TMP/fifo
391	test -p $TMP/fifo
392	echo status=$?
393
394	test -p testdata
395	echo status=$?
396
397	## STDOUT:
398	status=0
399	status=1
400	## END
401
402	#### -G and -O for effective user ID and group ID
403
404	test -O bin
405	echo status=$?
406	test -O __nonexistent__
407	echo status=$?
408
409	test -G bin
410	echo status=$?
411	test -G __nonexistent__
412	echo status=$?
413
414	## STDOUT:
415	status=0
416	status=1
417	status=0
418	status=1
419	## END
420
421	#### test -o for options
422	# note: it's lame that the 'false' case is confused with the 'typo' case.
423	# but checking for error code 2 is unlikely anyway.
424	test -o nounset
425	echo status=$?
426
427	set -o nounset
428	echo status=$?
429
430	test -o _bad_name_
431	echo status=$?
432	## STDOUT:
433	status=1
434	status=0
435	status=1
436	## END
437	## N-I dash STDOUT:
438	status=2
439	status=0
440	status=2
441	## END
442
443	#### -nt -ot
444	[ present -nt absent ] || exit 1
445	[ absent -ot present ] || exit 2
446	## status: 1
447
448	#### -ef
449	left=$TMP/left
450	right=$TMP/right
451	touch $left $right
452
453	ln -f $TMP/left $TMP/hardlink
454
455	test $left -ef $left && echo same
456	test $left -ef $TMP/hardlink && echo same
457	test $left -ef $right || echo different
458
459	test $TMP/__nonexistent -ef $right || echo different
460
461	## STDOUT:
462	same
463	same
464	different
465	different
466	## END
467
468	#### Overflow error
469	test -t 12345678910
470	echo status=$?
471	## STDOUT:
472	status=2
473	## END
474	## OK dash/bash STDOUT:
475	status=1
476	## END