about summary refs log tree commit diff
path: root/Test/C04funcdef.ztst
blob: ab7b429287fcf6e0ebb1195ca08273b7a207f4ad (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
%prep

  mkdir funcdef.tmp
  cd funcdef.tmp

%test

  fn1() { return 1; }
  fn2() {
      fn1
      print $?
      return 2
  }
  fn2
2:Basic status returns from functions
>1

  fnz() { }
  false
  fnz
0:Empty function body resets status

  fn3() { return 3; }
  fnstat() { print $?; }
  fn3
  fnstat
0:Status is not reset on non-empty function body
>3

  function f$$ () {
    print regress expansion of function names
  }
  f$$
0:Regression test: 'function f$$ () { ... }'
>regress expansion of function names

  function foo () print bar
  foo
0:Function definition without braces
>bar

  functions -M m1
  m1() { (( $# )) }
  print $(( m1() ))
  print $(( m1(1) ))
  print $(( m1(1,2) ))
0:User-defined math functions, argument handling
>0
>1
>2

  functions -M m2
  m2() {
    integer sum
    local val
    for val in $*; do
      (( sum += $val ))
    done
  }
  print $(( m2(1) ))
  print $(( m2(1,3+3,4**2) ))
0:User-defined math functions, complex argument handling
>1
>23

  functions -M m3 1 2
  m3() { (( 1 )) }
  print zero
  (print $(( m3() )))
  print one
  print $(( m3(1) ))
  print two
  print $(( m3(1,2) ))
  print three
  (print $(( m3(1,2,3) )))
1:User-defined math functions, argument checking
>zero
>one
>1
>two
>1
>three
?(eval):4: wrong number of arguments: m3()
?(eval):10: wrong number of arguments: m3(1,2,3)

  functions -M m4 0 0 testmathfunc
  functions -M m5 0 0 testmathfunc
  testmathfunc() {
    if [[ $0 = m4 ]]; then
      (( 4 ))
    else
      (( 5 ))
    fi
  }
  print $(( m4() ))
  print $(( m5() ))
0:User-defined math functions, multiple interfaces
>4
>5

  command_not_found_handler() {
    print "Great News!  I've handled the command:"
    print "$1"
    print "with arguments:"
    print -l ${argv[2,-1]}
  }
  ACommandWhichHadBetterNotExistOnTheSystem and some "really useful" args
0:Command not found handler, success
>Great News!  I've handled the command:
>ACommandWhichHadBetterNotExistOnTheSystem
>with arguments:
>and
>some
>really useful
>args

# ' deconfuse emacs

  command_not_found_handler() {
     print "Your command:" >&2
     print "$1" >&2
     print "has gone down the tubes.  Sorry." >&2
     return 42
  }
  ThisCommandDoesNotExistEither
42:Command not found handler, failure
?Your command:
?ThisCommandDoesNotExistEither
?has gone down the tubes.  Sorry.

  local variable=outside
  print "I am $variable"
  function {
    local variable=inside
    print "I am $variable"
  }
  print "I am $variable"
  () {
    local variable="inside again"
    print "I am $variable"
  }
  print "I am $variable"
0:Anonymous function scope
>I am outside
>I am inside
>I am outside
>I am inside again
>I am outside

  integer i
  for (( i = 0; i < 10; i++ )); do function {
    case $i in
    ([13579])
    print $i is odd
    ;|
    ([2468])
    print $i is even
    ;|
    ([2357])
    print $i is prime
    ;;
    esac
  }; done
0:Anonymous function with patterns in loop
>1 is odd
>2 is even
>2 is prime
>3 is odd
>3 is prime
>4 is even
>5 is odd
>5 is prime
>6 is even
>7 is odd
>7 is prime
>8 is even
>9 is odd

  echo stuff in file >file.in
  function {
    sed 's/stuff/rubbish/'
  } <file.in >file.out
  cat file.out
0:Anonymous function redirection
>rubbish in file

  variable="Do be do"
  print $variable
  function {
     print $variable
     local variable="Da de da"
     print $variable
     function {
       print $variable
       local variable="Dum da dum"
       print $variable
     }
     print $variable
  }
  print $variable
0:Nested anonymous functions
>Do be do
>Do be do
>Da de da
>Da de da
>Dum da dum
>Da de da
>Do be do

  () (cat $1 $2) <(print process expanded) =(print expanded to file)
0:Process substitution with anonymous functions
>process expanded
>expanded to file

  () { print This has arguments $*; } of all sorts; print After the function
  function { print More stuff $*; } and why not; print Yet more
0:Anonymous function with arguments
>This has arguments of all sorts
>After the function
>More stuff and why not
>Yet more

  fn() {
    (){ print Anonymous function 1 $*; } with args
    function { print Anonymous function 2 $*; } with more args
    print Following bit
  }
  functions fn
0:Text representation of anonymous function with arguments
>fn () {
>	() {
>		print Anonymous function 1 $*
>	} with args
>	() {
>		print Anonymous function 2 $*
>	} with more args
>	print Following bit
>}

  touch yes no
  () { echo $1 } (y|z)*
  (echo here)
  () { echo $* } some (y|z)*
  () { echo empty };(echo here)
0:Anonymous function arguments and command arguments
>yes
>here
>some yes
>empty
>here

  if true; then f() { echo foo1; } else f() { echo bar1; } fi; f
  if false; then f() { echo foo2; } else f() { echo bar2; } fi; f
0:Compatibility with other shells when not anonymous functions
>foo1
>bar2

  (
  setopt ignorebraces
  fpath=(.)
  print "{ echo OK }\n[[ -o ignorebraces ]] || print 'ignorebraces is off'" \
      >emufunctest
  (autoload -z emufunctest; emufunctest) 2>&1
  emulate zsh -c 'autoload -Uz emufunctest'
  emufunctest
  [[ -o ignorebraces ]] && print 'ignorebraces is still on here'
  )
0:sticky emulation applies to autoloads and autoloaded function execution
>emufunctest:3: parse error near `\n'
>OK
>ignorebraces is off
>ignorebraces is still on here
#` (matching error message for editors parsing the file)

# lsfoo should not be expanded as an anonymous function argument
 alias lsfoo='This is not ls.'
 () (echo anon func; echo "$@") lsfoo
0:Anonmous function with arguments in a form nobody sane would ever use but unfortunately we have to support anyway
>anon func
>lsfoo

 print foo | () cat
0:Simple anonymous function should not simplify enclosing pipeline
>foo

 alias fooalias=barexpansion
 funcwithalias() { echo $(fooalias); }
 functions funcwithalias
 barexpansion() { print This is the correct output.; }
 funcwithalias
0:Alias expanded in command substitution does not appear expanded in text
>funcwithalias () {
>	echo $(fooalias)
>}
>This is the correct output.

 unfunction command_not_found_handler # amusing but unhelpful
 alias first='firstfn1 firstfn2' second='secondfn1 secondfn2'
 function first second { print This is function $0; }
 first
 second
 firstfn1
 secondfn1
127:No alias expansion after "function" keyword
>This is function first
>This is function second
?(eval):6: command not found: firstfn1
?(eval):7: command not found: secondfn1

  (
    fpath=(.)
    print  "print oops was successfully autoloaded" >oops
    oops() { eval autoload -X }
    oops
    which -x2 oops
  )
0:autoload containing eval
>oops was successfully autoloaded
>oops () {
>  print oops was successfully autoloaded
>}

  (
    fpath=(.)
    printf '%s\n' 'oops(){}' 'ninjas-earring(){}' 'oops "$@"' >oops
    autoload oops
    oops
    whence -v oops
  )
0:whence -v of zsh-style autoload
>oops is a shell function from ./oops

%clean

 rm -f file.in file.out