aboutsummaryrefslogtreecommitdiff
path: root/Test/01grammar.ztst
blob: 361512e98bfae1bb025a68901c1432ff1225233a (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
#
# This file contains tests corresponding to the `Shell Grammar' texinfo node.
#

%prep

  mkdir basic.tmp && cd basic.tmp
  touch foo bar

%test
#
# Tests for `Simple Commands and Pipelines'
#
  echo foo | cat | sed 's/foo/bar/'
0:Basic pipeline handling
>bar

  false | true
0:Exit status of pipeline with builtins (true)

  true | false
1:Exit status of pipeline with builtins (false)

  fn() { local foo; read foo; print $foo; }
  coproc fn
  print -p coproc test output
  read -p bar
  print $bar
0:Basic coprocess handling
>coproc test output

  true | false && print true || print false
0:Basic sublist (i)
>false

  false | true && print true || print false
0:Basic sublist (ii)
>true

  (cd /NonExistentDirectory >&/dev/null) || print false
0:Basic subshell list with error
>false

# Can someone convince me the following is really supposed to fail
# without the semicolon present?
  { cd /NonExistentDirectory >&/dev/null; } || print false
0:Basic current shell list with error
>false

#
# Tests for `Precommand Modifiers'
#
  - sh -c 'echo $0'
0:`-' precommand modifier
>-sh

  echo f*
  noglob echo f*
0:`noglob' precommand modifier
>foo
>f*

  (exec /bin/sh; echo bar)
0:`exec' precommand modifier

  cat() { echo Function cat executed; }
  command cat && unfunction cat
0:`command' precommand modifier
<External command cat executed
>External command cat executed

  cd() { echo Not cd at all; }
  builtin cd . && unfunction cd
0:`builtin' precommand modifier

#
# Tests for `Complex Commands'
#

  if true; then
    print true-1
  elif true; then
    print true-2
  else
    print false
  fi
0:`if ...' (i)
>true-1

  if false; then
    print true-1
  elif true; then
    print true-2
  else
    print false
  fi
0:`if ...' (ii)
>true-2

  if false; then
    print true-1
  elif false; then
    print true-2
  else
    print false
  fi
0:`if ...' (iii)
>false

  for name in word to term; do
    print $name
  done
0:`for' loop
>word
>to
>term

  for (( name = 0; name < 3; name++ )); do
    print $name
  done
0:arithmetic `for' loop
>0
>1
>2

  name=0
  while (( name < 3 )); do
    print $name
    (( name++ ))
  done
0:`while' loop
>0
>1
>2

  name=0
  until (( name == 3 )); do
    print $name
    (( name++ ))
  done
0:`until' loop
>0
>1
>2

  repeat 3 do
    echo over and over
  done
0:`repeat' loop
>over and over
>over and over
>over and over

  word=Trinity
  case $word in
    Michaelmas) print 0
                ;;
    Hilary) print 1
            ;;
    Trinity) print 2
             ;;
    *) print 3
       ;;
  esac
0:`case' loop, old syntax
>2

  word=Trinity
  case $word in
    (Michaelmas) print 0
                ;;
    (Hilary) print 1
            ;;
    (Trinity) print 2
             ;;
    (*) print 3
       ;;
  esac
0:`case' loop, new syntax
>2

## This doesn't work, because zsh tries to read from the terminal
## even in a non-interactive shell.  The manual implies it always reads
## from stdin, even in an interactive shell.
#  PS3="input> "
#  select name in one two three; do
#    print $name
#  done
#0:`select' loop
#<2
#>1) one     2) two     3) three   
#>input> 
#>two

  function name1 name2 () { print This is $0; }
  name2
  name1 name2() { print This is still $0; }
  name2
0:`function' keyword
>This is name2
>This is still name2

  (time cat) >&/dev/null
0:`time' keyword (status only)

  if [[ -f foo && -d . && -n $ZTST_testdir ]]; then
    true
  else
    false
  fi
0:basic [[ ... ]] test

#
# Tests for `Alternate Forms For Complex Commands'
#

## I simply can't get these to work.
## I suspect that the lists which are allowed here are only syntactically
## special tests.
#  if true; { print true-1; } elif true; { print true-2; } else { false; }
#  if false; { print true-1; } elif true; { print true-2; } else { false; }
#  if false; { print true-1; } elif false; { print true-2; } else { false; }
#0:Alternate `if' with braces
## Are all those semicolons necessary?  If not, what are the rules?
#>true-1
#>true-2
#>false

  if true; print true
0:Short form of `if'
>true

  for name ( word1 word2 word3 ) print $name
0:Form of `for' with parentheses.
>word1
>word2
>word3

  for name in alpha beta gamma; print $name
0:Short form of `for'
>alpha
>beta
>gamma

  for (( val = 2; val < 10; val *= val )) print $val
0:Short arithmetic `for'
>2
>4

  foreach name ( verbiage words periphrasis )
    print $name
  end
0:Csh-like `for'
>verbiage
>words
>periphrasis

# see comment with braces used in if loops
  val=0;
  while (( val < 2 )) { print $((val++)); }
0:Alternative `while'
>0
>1

  val=2;
  until (( val == 0 )) { print $((val--)); }
0:Alternative `until'
>2
>1

  repeat 3 print Hip hip hooray
0:Short `repeat'
>Hip hip hooray
>Hip hip hooray
>Hip hip hooray

## Why doesn't this one work here?  It works from the command line
## or with zsh -fc.
#  case bravo {
#    (alpha) print schmalpha
#	    ;;
#    (bravo) print schmavo
#	    ;;
#    (charlie) print schmarlie
#	    ;;
#  }
#0:`case' with braces
#>schmavo