summaryrefslogtreecommitdiffstats
path: root/tests/uplevel.test
blob: 737c5711f29aa85f982df1735d09d882ad536c17 (plain)
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
# Commands covered:  uplevel
#
# This file contains a collection of tests for one or more of the Tcl built-in
# commands.  Sourcing this file into Tcl runs the tests and generates output
# for errors.  No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest
    namespace import -force ::tcltest::*
}

proc a {x y} {
    newset z [expr $x+$y]
    return $z
}
proc newset {name value} {
    uplevel set $name $value
    uplevel 1 {uplevel 1 {set xyz 22}}
}

test uplevel-1.1 {simple operation} {
    set xyz 0
    a 22 33
} 55
test uplevel-1.2 {command is another uplevel command} {
    set xyz 0
    a 22 33
    set xyz
} 22

proc a1 {} {
    b1
    global a a1
    set a $x
    set a1 $y
}
proc b1 {} {
    c1
    global b b1
    set b $x
    set b1 $y
}
proc c1 {} {
    uplevel 1 set x 111
    uplevel #2 set y 222
    uplevel 2 set x 333
    uplevel #1 set y 444
    uplevel 3 set x 555
    uplevel #0 set y 666
}
a1
test uplevel-2.1 {relative and absolute uplevel} {set a} 333
test uplevel-2.2 {relative and absolute uplevel} {set a1} 444
test uplevel-2.3 {relative and absolute uplevel} {set b} 111
test uplevel-2.4 {relative and absolute uplevel} {set b1} 222
test uplevel-2.5 {relative and absolute uplevel} {set x} 555
test uplevel-2.6 {relative and absolute uplevel} {set y} 666

test uplevel-3.1 {uplevel to same level} {
    set x 33
    uplevel #0 set x 44
    set x
} 44
test uplevel-3.2 {uplevel to same level} {
    set x 33
    uplevel 0 set x
} 33
test uplevel-3.3 {uplevel to same level} {
    set y xxx
    proc a1 {} {set y 55; uplevel 0 set y 66; return $y}
    a1
} 66
test uplevel-3.4 {uplevel to same level} {
    set y zzz
    proc a1 {} {set y 55; uplevel #1 set y}
    a1
} 55

test uplevel-4.1 {error: non-existent level} -returnCodes error -body {
    apply {{} {
	uplevel #2 {set y 222}
    }}
} -result {bad level "#2"}
test uplevel-4.2 {error: non-existent level} -returnCodes error -body {
    apply {{} {
	uplevel 3 {set a b}
    }}
} -result {bad level "3"}
test uplevel-4.3 {error: not enough args} -returnCodes error -body {
    uplevel
} -result {wrong # args: should be "uplevel ?level? command ?arg ...?"}
test uplevel-4.4 {error: not enough args} -returnCodes error -body {
    apply {{} {
	uplevel 1
    }}
} -result {wrong # args: should be "uplevel ?level? command ?arg ...?"}
test uplevel-4.5 {level parsing} {
    apply {{} {uplevel 0 {}}}
} {}
test uplevel-4.6 {level parsing} {
    apply {{} {uplevel #0 {}}}
} {}
test uplevel-4.7 {level parsing} {
    apply {{} {uplevel [expr 0] {}}}
} {}
test uplevel-4.8 {level parsing} {
    apply {{} {uplevel #[expr 0] {}}}
} {}
test uplevel-4.9 {level parsing} {
    apply {{} {uplevel -0 {}}}
} {}
test uplevel-4.10 {level parsing} {
    apply {{} {uplevel #-0 {}}}
} {}
test uplevel-4.11 {level parsing} {
    apply {{} {uplevel [expr -0] {}}}
} {}
test uplevel-4.12 {level parsing} {
    apply {{} {uplevel #[expr -0] {}}}
} {}
test uplevel-4.13 {level parsing} {
    apply {{} {uplevel 1 {}}}
} {}
test uplevel-4.14 {level parsing} {
    apply {{} {uplevel #1 {}}}
} {}
test uplevel-4.15 {level parsing} {
    apply {{} {uplevel [expr 1] {}}}
} {}
test uplevel-4.16 {level parsing} {
    apply {{} {uplevel #[expr 1] {}}}
} {}
test uplevel-4.17 {level parsing} {
    apply {{} {uplevel -0xffffffff {}}}
} {}
test uplevel-4.18 {level parsing} {
    apply {{} {uplevel #-0xffffffff {}}}
} {}
test uplevel-4.19 {level parsing} {
    apply {{} {uplevel [expr -0xffffffff] {}}}
} {}
test uplevel-4.20 {level parsing} {
    apply {{} {uplevel #[expr -0xffffffff] {}}}
} {}
test uplevel-4.21 {level parsing} -body {
    apply {{} {uplevel -1 {}}}
} -returnCodes error -result {invalid command name "-1"}
test uplevel-4.22 {level parsing} -body {
    apply {{} {uplevel #-1 {}}}
} -returnCodes error -result {bad level "#-1"}
test uplevel-4.23 {level parsing} -body {
    apply {{} {uplevel [expr -1] {}}}
} -returnCodes error -result {invalid command name "-1"}
test uplevel-4.24 {level parsing} -body {
    apply {{} {uplevel #[expr -1] {}}}
} -returnCodes error -result {bad level "#-1"}
test uplevel-4.25 {level parsing} -body {
    apply {{} {uplevel 0xffffffff {}}}
} -returnCodes error -result {bad level "0xffffffff"}
test uplevel-4.26 {level parsing} -body {
    apply {{} {uplevel #0xffffffff {}}}
} -returnCodes error -result {bad level "#0xffffffff"}
test uplevel-4.27 {level parsing} -body {
    apply {{} {uplevel [expr 0xffffffff] {}}}
} -returnCodes error -result {bad level "4294967295"}
test uplevel-4.28 {level parsing} -body {
    apply {{} {uplevel #[expr 0xffffffff] {}}}
} -returnCodes error -result {bad level "#4294967295"}
test uplevel-4.29 {level parsing} -body {
    apply {{} {uplevel 0.2 {}}}
} -returnCodes error -result {bad level "0.2"}
test uplevel-4.30 {level parsing} -body {
    apply {{} {uplevel #0.2 {}}}
} -returnCodes error -result {bad level "#0.2"}
test uplevel-4.31 {level parsing} -body {
    apply {{} {uplevel [expr 0.2] {}}}
} -returnCodes error -result {bad level "0.2"}
test uplevel-4.32 {level parsing} -body {
    apply {{} {uplevel #[expr 0.2] {}}}
} -returnCodes error -result {bad level "#0.2"}
test uplevel-4.33 {level parsing} -body {
    apply {{} {uplevel .2 {}}}
} -returnCodes error -result {invalid command name ".2"}
test uplevel-4.34 {level parsing} -body {
    apply {{} {uplevel #.2 {}}}
} -returnCodes error -result {bad level "#.2"}
test uplevel-4.35 {level parsing} -body {
    apply {{} {uplevel [expr .2] {}}}
} -returnCodes error -result {bad level "0.2"}
test uplevel-4.36 {level parsing} -body {
    apply {{} {uplevel #[expr .2] {}}}
} -returnCodes error -result {bad level "#0.2"}




proc a2 {} {
    uplevel a3
}
proc a3 {} {
    global x y
    set x [info level]
    set y [info level 1]
}
a2
test uplevel-5.1 {info level} {set x} 1
test uplevel-5.2 {info level} {set y} a3

namespace eval ns1 {
    proc set args {return ::ns1}
}
proc a2 {} {
    uplevel {set x ::}
}
test uplevel-6.1 {uplevel and shadowed cmds} {
    set res [namespace eval ns1 a2]
    lappend res [namespace eval ns2 a2]
    lappend res [namespace eval ns1 a2]
    namespace eval ns1 {rename set {}}
    lappend res [namespace eval ns1 a2]
} {::ns1 :: ::ns1 ::}

#
# These tests verify that upleveled scripts run in the correct level and access
# the proper variables.
#

test uplevel-7.1 {var access, no LVT in either level} -setup {
    set x 1
    unset -nocomplain y z
} -body {
    namespace eval foo {
	set x 2
	set y 2
	uplevel 1 {
	    set x 3
	    set y 3
	    set z 3
	}
    }
    list $x $y $z
} -cleanup {
    namespace delete foo
    unset -nocomplain x y z
} -result {3 3 3}

test uplevel-7.2 {var access, no LVT in upper level} -setup {
    set x 1
    unset -nocomplain y z
} -body {
    proc foo {} {
	set x 2
	set y 2
	uplevel 1 {
	    set x 3
	    set y 3
	    set z 3
	}
    }
    foo
    list $x $y $z
} -cleanup {
    rename foo {}
    unset -nocomplain x y z
} -result {3 3 3}

test uplevel-7.3 {var access, LVT in upper level} -setup {
    proc moo {} {
	set x 1; #var in LVT
	unset -nocomplain y z
	foo
	list $x $y $z
    }
} -body {
    proc foo {} {
	set x 2
	set y 2
	uplevel 1 {
	    set x 3
	    set y 3
	    set z 3
	}
    }
    foo
    moo
} -cleanup {
    rename foo {}
    rename moo {}
} -result {3 3 3}

# cleanup
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# fill-column: 78
# End: