OILS / spec / bugs.test.sh View on Github | oilshell.org

405 lines, 157 significant
1## compare_shells: bash dash mksh zsh ash
2## oils_failures_allowed: 0
3
4#### echo keyword
5echo done
6## stdout: done
7
8#### if/else
9if false; then
10 echo THEN
11else
12 echo ELSE
13fi
14## stdout: ELSE
15
16#### Turn an array into an integer.
17a=(1 2 3)
18(( a = 42 ))
19echo $a
20## stdout: 42
21## N-I dash/ash stdout-json: ""
22## N-I dash/ash status: 2
23
24
25#### assign readonly -- one line
26readonly x=1; x=2; echo hi
27## status: 1
28## OK dash/mksh/ash status: 2
29## STDOUT:
30## END
31
32#### assign readonly -- multiple lines
33readonly x=1
34x=2
35echo hi
36## status: 1
37## OK dash/mksh/ash status: 2
38## STDOUT:
39## END
40## BUG bash status: 0
41## BUG bash STDOUT:
42hi
43## END
44
45#### assign readonly -- multiple lines -- set -o posix
46set -o posix
47readonly x=1
48x=2
49echo hi
50## status: 1
51## OK dash/mksh/ash status: 2
52## STDOUT:
53## END
54
55#### unset readonly -- one line
56readonly x=1; unset x; echo hi
57## STDOUT:
58hi
59## END
60## OK dash/ash status: 2
61## OK zsh status: 1
62## OK dash/ash stdout-json: ""
63## OK zsh stdout-json: ""
64
65#### unset readonly -- multiple lines
66readonly x=1
67unset x
68echo hi
69## OK dash/ash status: 2
70## OK zsh status: 1
71## OK dash/ash stdout-json: ""
72## OK zsh stdout-json: ""
73
74#### First word like foo$x() and foo$[1+2] (regression)
75
76# Problem: $x() func call broke this error message
77foo$identity('z')
78
79foo$[1+2]
80
81echo DONE
82
83## status: 2
84## OK mksh/zsh status: 1
85## STDOUT:
86## END
87
88#### Function names
89foo$x() {
90 echo hi
91}
92
93foo $x() {
94 echo hi
95}
96
97## status: 2
98## OK mksh/zsh status: 1
99## BUG zsh status: 0
100## STDOUT:
101## END
102
103
104#### file with NUL byte
105echo -e 'echo one \0 echo two' > tmp.sh
106$SH tmp.sh
107## STDOUT:
108one echo two
109## END
110## OK osh STDOUT:
111one
112## END
113## N-I dash stdout-json: ""
114## N-I dash status: 127
115## OK bash stdout-json: ""
116## OK bash status: 126
117## OK zsh stdout-json: "one \u0000echo two\n"
118
119#### fastlex: PS1 format string that's incomplete / with NUL byte
120case $SH in bash) exit ;; esac
121
122x=$'\\D{%H:%M' # leave off trailing }
123echo x=${x@P}
124
125## STDOUT:
126x=\D{%H:%M
127## END
128
129# bash just ignores the missing }
130## BUG bash stdout-json: ""
131
132# These shells don't understand @P
133
134## N-I dash/ash stdout-json: ""
135## N-I dash/ash status: 2
136
137## N-I zsh stdout-json: ""
138## N-I zsh status: 1
139
140
141#### 'echo' and printf fail on writing to full disk
142
143# Inspired by https://blog.sunfishcode.online/bugs-in-hello-world/
144
145echo hi > /dev/full
146echo status=$?
147
148printf '%s\n' hi > /dev/full
149echo status=$?
150
151## STDOUT:
152status=1
153status=1
154## END
155
156#### other builtins fail on writing to full disk
157
158type echo > /dev/full
159echo status=$?
160
161# other random builtin
162ulimit -a > /dev/full
163echo status=$?
164
165## STDOUT:
166status=1
167status=1
168## END
169
170## BUG mksh/zsh STDOUT:
171status=0
172status=0
173## END
174
175#### subshell while running a script (regression)
176# Ensures that spawning a subshell doesn't cause a seek on the file input stream
177# representing the current script (issue #1233).
178cat >tmp.sh <<'EOF'
179echo start
180(:)
181echo end
182EOF
183$SH tmp.sh
184## STDOUT:
185start
186end
187## END
188
189#### for loop (issue #1446)
190case $SH in (dash|mksh|ash) exit ;; esac
191
192for (( n=0; n<(3-(1)); n++ )) ; do echo $n; done
193
194## STDOUT:
1950
1961
197## END
198## N-I dash/mksh/ash STDOUT:
199## END
200
201
202
203#### for loop 2 (issue #1446)
204case $SH in (dash|mksh|ash) exit ;; esac
205
206
207for (( n=0; n<(3- (1)); n++ )) ; do echo $n; done
208
209## STDOUT:
2100
2111
212## END
213## N-I dash/mksh/ash STDOUT:
214## END
215
216#### autoconf word split (#1449)
217
218mysed() {
219 for line in "$@"; do
220 echo "[$line]"
221 done
222}
223
224sedinputs="f1 f2"
225sedscript='my sed command'
226
227# Parsed and evaluated correctly: with word_part.EscapedLiteral \"
228
229x=$(eval "mysed -n \"\$sedscript\" $sedinputs")
230echo '--- $()'
231echo "$x"
232
233# With backticks, the \" gets lost somehow
234
235x=`eval "mysed -n \"\$sedscript\" $sedinputs"`
236echo '--- backticks'
237echo "$x"
238
239
240# Test it in a case statement
241
242case `eval "mysed -n \"\$sedscript\" $sedinputs"` in
243 (*'[my sed command]'*)
244 echo 'NOT SPLIT'
245 ;;
246esac
247
248## STDOUT:
249--- $()
250[-n]
251[my sed command]
252[f1]
253[f2]
254--- backticks
255[-n]
256[my sed command]
257[f1]
258[f2]
259NOT SPLIT
260## END
261
262#### autoconf arithmetic - relaxed eval_unsafe_arith (#1450)
263
264as_fn_arith ()
265{
266 as_val=$(( $* ))
267}
268as_fn_arith 1 + 1
269echo $as_val
270
271## STDOUT:
2722
273## END
274
275#### command execution $(echo 42 | tee PWNED) not allowed
276
277rm -f PWNED
278
279x='a[$(echo 42 | tee PWNED)]=1'
280echo $(( x ))
281
282if test -f PWNED; then
283 cat PWNED
284else
285 echo NOPE
286fi
287
288## status: 1
289## OK dash/ash status: 2
290## stdout-json: ""
291## BUG bash/mksh/zsh status: 0
292## BUG bash/mksh/zsh STDOUT:
2931
29442
295## END
296
297#### process sub <(echo 42 | tee PWNED) not allowed
298
299rm -f PWNED
300
301x='a[<(echo 42 | tee PWNED)]=1'
302echo $(( x ))
303
304if test -f PWNED; then
305 cat PWNED
306else
307 echo NOPE
308fi
309
310## status: 1
311## stdout-json: ""
312
313## OK dash/ash status: 2
314
315# bash keeps going
316## BUG bash status: 0
317## BUG bash STDOUT:
318NOPE
319## END
320
321
322#### unset doesn't allow command execution
323
324typeset -a a # for mksh
325a=(42)
326echo len=${#a[@]}
327
328unset -v 'a[$(echo 0 | tee PWNED)]'
329echo len=${#a[@]}
330
331if test -f PWNED; then
332 echo PWNED
333 cat PWNED
334else
335 echo NOPE
336fi
337
338## status: 1
339## STDOUT:
340len=1
341## END
342
343## N-I dash/ash status: 2
344## N-I dash/ash stdout-json: ""
345
346## BUG bash/mksh status: 0
347## BUG bash/mksh STDOUT:
348len=1
349len=0
350PWNED
3510
352## END
353
354## BUG zsh status: 0
355## BUG zsh STDOUT:
356len=1
357len=1
358PWNED
3590
360## END
361
362#### printf integer size bug
363
364# from Koiche on Zulip
365
366printf '%x\n' 2147483648
367printf '%u\n' 2147483648
368## STDOUT:
36980000000
3702147483648
371## END
372
373#### (( status bug
374
375# from Koiche on Zulip
376
377case $SH in dash|ash) exit ;; esac
378
379(( 1 << 32 ))
380echo status=$?
381
382(( 1 << 32 )) && echo yes
383
384## STDOUT:
385status=0
386yes
387## END
388
389## N-I dash/ash STDOUT:
390## END
391
392#### autotools as_fn_arith bug in configure
393
394# Causes 'grep -e' check to infinite loop.
395# Reduced from a configure script.
396
397as_fn_arith() {
398 as_val=$(( $* ))
399}
400
401as_fn_arith 0 + 1
402echo as_val=$as_val
403## STDOUT:
404as_val=1
405## END