1# Commands covered:  set
2#
3# This file contains a collection of tests for one or more of the Tcl
4# built-in commands.  Sourcing this file into Tcl runs the tests and
5# generates output for errors.  No output means no errors were found.
6#
7# Copyright © 1996 Sun Microsystems, Inc.
8# Copyright © 1998-1999 Scriptics Corporation.
9#
10# See the file "license.terms" for information on usage and redistribution
11# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
12
13if {"::tcltest" ni [namespace children]} {
14    package require tcltest 2.5
15    namespace import -force ::tcltest::*
16}
17
18::tcltest::loadTestedCommands
19catch [list package require -exact tcl::test [info patchlevel]]
20
21testConstraint testset2 [llength [info commands testset2]]
22
23catch {unset x}
24catch {unset i}
25
26test set-1.1 {TclCompileSetCmd: missing variable name} {
27    list [catch {set} msg] $msg
28} {1 {wrong # args: should be "set varName ?newValue?"}}
29test set-1.2 {TclCompileSetCmd: simple variable name} {
30    set i 10
31    list [set i] $i
32} {10 10}
33test set-1.3 {TclCompileSetCmd: error compiling variable name} {
34    set i 10
35    catch {set "i"xxx} msg
36    set msg
37} {extra characters after close-quote}
38test set-1.4 {TclCompileSetCmd: simple variable name in quotes} {
39    set i 17
40    list [set "i"] $i
41} {17 17}
42test set-1.5 {TclCompileSetCmd: simple variable name in braces} -setup {
43    catch {unset {a simple var}}
44} -body {
45    set {a simple var} 27
46    list [set {a simple var}] ${a simple var}
47} -result {27 27}
48test set-1.6 {TclCompileSetCmd: simple array variable name} -setup {
49    catch {unset a}
50} -body {
51    set a(foo) 37
52    list [set a(foo)] $a(foo)
53} -result {37 37}
54test set-1.7 {TclCompileSetCmd: non-simple (computed) variable name} {
55    set x "i"
56    set i 77
57    list [set $x] $i
58} {77 77}
59test set-1.8 {TclCompileSetCmd: non-simple (computed) variable name} {
60    set x "i"
61    set i 77
62    list [set [set x] 2] $i
63} {2 2}
64
65test set-1.9 {TclCompileSetCmd: 3rd arg => assignment} {
66    set i "abcdef"
67    list [set i] $i
68} {abcdef abcdef}
69test set-1.10 {TclCompileSetCmd: only two args => just getting value} {
70    set i {one two}
71    set i
72} {one two}
73
74test set-1.11 {TclCompileSetCmd: simple global name} {
75    proc p {} {
76        global i
77        set i 54
78        set i
79    }
80    p
81} {54}
82test set-1.12 {TclCompileSetCmd: simple local name} {
83    proc p {bar} {
84        set foo $bar
85        set foo
86    }
87    p 999
88} {999}
89test set-1.13 {TclCompileSetCmd: simple but new (unknown) local name} {
90    proc p {} {
91        set bar
92    }
93    catch {p} msg
94    set msg
95} {can't read "bar": no such variable}
96test set-1.14 {TclCompileSetCmd: simple local name, >255 locals} {
97    proc 260locals {} {
98        # create 260 locals (the last ones with index > 255)
99        set a0 0; set a1 0; set a2 0; set a3 0; set a4 0
100        set a5 0; set a6 0; set a7 0; set a8 0; set a9 0
101        set b0 0; set b1 0; set b2 0; set b3 0; set b4 0
102        set b5 0; set b6 0; set b7 0; set b8 0; set b9 0
103        set c0 0; set c1 0; set c2 0; set c3 0; set c4 0
104        set c5 0; set c6 0; set c7 0; set c8 0; set c9 0
105        set d0 0; set d1 0; set d2 0; set d3 0; set d4 0
106        set d5 0; set d6 0; set d7 0; set d8 0; set d9 0
107        set e0 0; set e1 0; set e2 0; set e3 0; set e4 0
108        set e5 0; set e6 0; set e7 0; set e8 0; set e9 0
109        set f0 0; set f1 0; set f2 0; set f3 0; set f4 0
110        set f5 0; set f6 0; set f7 0; set f8 0; set f9 0
111        set g0 0; set g1 0; set g2 0; set g3 0; set g4 0
112        set g5 0; set g6 0; set g7 0; set g8 0; set g9 0
113        set h0 0; set h1 0; set h2 0; set h3 0; set h4 0
114        set h5 0; set h6 0; set h7 0; set h8 0; set h9 0
115        set i0 0; set i1 0; set i2 0; set i3 0; set i4 0
116        set i5 0; set i6 0; set i7 0; set i8 0; set i9 0
117        set j0 0; set j1 0; set j2 0; set j3 0; set j4 0
118        set j5 0; set j6 0; set j7 0; set j8 0; set j9 0
119        set k0 0; set k1 0; set k2 0; set k3 0; set k4 0
120        set k5 0; set k6 0; set k7 0; set k8 0; set k9 0
121        set l0 0; set l1 0; set l2 0; set l3 0; set l4 0
122        set l5 0; set l6 0; set l7 0; set l8 0; set l9 0
123        set m0 0; set m1 0; set m2 0; set m3 0; set m4 0
124        set m5 0; set m6 0; set m7 0; set m8 0; set m9 0
125        set n0 0; set n1 0; set n2 0; set n3 0; set n4 0
126        set n5 0; set n6 0; set n7 0; set n8 0; set n9 0
127        set o0 0; set o1 0; set o2 0; set o3 0; set o4 0
128        set o5 0; set o6 0; set o7 0; set o8 0; set o9 0
129        set p0 0; set p1 0; set p2 0; set p3 0; set p4 0
130        set p5 0; set p6 0; set p7 0; set p8 0; set p9 0
131        set q0 0; set q1 0; set q2 0; set q3 0; set q4 0
132        set q5 0; set q6 0; set q7 0; set q8 0; set q9 0
133        set r0 0; set r1 0; set r2 0; set r3 0; set r4 0
134        set r5 0; set r6 0; set r7 0; set r8 0; set r9 0
135        set s0 0; set s1 0; set s2 0; set s3 0; set s4 0
136        set s5 0; set s6 0; set s7 0; set s8 0; set s9 0
137        set t0 0; set t1 0; set t2 0; set t3 0; set t4 0
138        set t5 0; set t6 0; set t7 0; set t8 0; set t9 0
139        set u0 0; set u1 0; set u2 0; set u3 0; set u4 0
140        set u5 0; set u6 0; set u7 0; set u8 0; set u9 0
141        set v0 0; set v1 0; set v2 0; set v3 0; set v4 0
142        set v5 0; set v6 0; set v7 0; set v8 0; set v9 0
143        set w0 0; set w1 0; set w2 0; set w3 0; set w4 0
144        set w5 0; set w6 0; set w7 0; set w8 0; set w9 0
145        set x0 0; set x1 0; set x2 0; set x3 0; set x4 0
146        set x5 0; set x6 0; set x7 0; set x8 0; set x9 0
147        set y0 0; set y1 0; set y2 0; set y3 0; set y4 0
148        set y5 0; set y6 0; set y7 0; set y8 0; set y9 0
149        set z0 0; set z1 0; set z2 0; set z3 0; set z4 0
150        set z5 0; set z6 0; set z7 0; set z8 0; set z9 1234
151    }
152    260locals
153} {1234}
154test set-1.15 {TclCompileSetCmd: variable is array} -setup {
155    catch {unset a}
156} -body {
157    set x 27
158    set x [set a(foo) 11]
159    catch {unset a}
160    set x
161} -result 11
162test set-1.16 {TclCompileSetCmd: variable is array, elem substitutions} -setup {
163    catch {unset a}
164} -body {
165    set i 5
166    set x 789
167    set a(foo5) 27
168    set x [set a(foo$i)]
169    catch {unset a}
170    set x
171} -result 27
172
173test set-1.17 {TclCompileSetCmd: doing assignment, simple int} {
174    set i 5
175    set i 123
176} 123
177test set-1.18 {TclCompileSetCmd: doing assignment, simple int} {
178    set i 5
179    set i -100
180} -100
181test set-1.19 {TclCompileSetCmd: doing assignment, simple but not int} {
182    set i 5
183    set i 0x12MNOP
184    set i
185} {0x12MNOP}
186test set-1.20 {TclCompileSetCmd: doing assignment, in quotes} {
187    set i 25
188    set i "-100"
189} -100
190test set-1.21 {TclCompileSetCmd: doing assignment, in braces} {
191    set i 24
192    set i {126}
193} 126
194test set-1.22 {TclCompileSetCmd: doing assignment, large int} {
195    set i 5
196    set i 200000
197} 200000
198test set-1.23 {TclCompileSetCmd: doing assignment, formatted int != int} {
199    set i 25
200    set i 0o00012345     ;# an octal literal == 5349 decimal
201    list $i [incr i]
202} {0o00012345 5350}
203
204test set-1.24 {TclCompileSetCmd: too many arguments} {
205    set i 10
206    catch {set i 20 30} msg
207    set msg
208} {wrong # args: should be "set varName ?newValue?"}
209
210test set-1.25 {TclCompileSetCmd: var is array, braced (no subs)} {
211    # This was a known error in 8.1a* - 8.2.1
212    catch {unset array}
213    set {array($foo)} 5
214} 5
215test set-1.26 {TclCompileSetCmd: various array constructs} {
216    # Test all kinds of array constructs that TclCompileSetCmd
217    # may feel inclined to tamper with.
218    apply {{} {
219	set a x
220	set be(hej) 1					; # hej
221	set be($a) 1					; # x
222	set {be($a)} 1					; # $a
223	set be($a,hej) 1				; # x,hej
224	set be($a,$a) 5					; # x,x
225	set be(c($a) 1					; # c(x
226	set be(\w\w) 1					; # ww
227	set be(a:$a) [set be(x,$a)]			; # a:x
228	set be(hej,$be($a,hej),hej) 1			; # hej,1,hej
229	set be([string range hugge 0 2]) 1		; # hug
230	set be(a\ a) 1					; # a a
231	set be($a\ ,[string range hugge 1 3],hej) 1	; # x ,ugg,hej
232	set be($a,h"ej) 1				; # x,h"ej
233	set be([string range "a b c" 2 end]) 1		; # b c
234	set [string range bet 0 1](foo) 1		; # foo
235	set be([set be(a:$a)][set b\e($a)]) 1		; # 51
236	return [lsort [array names be]]
237    }}
238} [lsort {hej x $a x,hej x,x c(x ww a:x hej,1,hej hug {a a} {x ,ugg,hej} x,h"ej
239{b c} foo 51}]; # " just a matching end quote
240
241test set-2.1 {set command: runtime error, bad variable name} -setup {
242    unset -nocomplain {"foo}
243} -body {
244    list [catch {set {"foo}} msg] $msg $::errorInfo
245} -result {1 {can't read ""foo": no such variable} {can't read ""foo": no such variable
246    while executing
247"set {"foo}"}}
248# Stop my editor highlighter " from being confused
249test set-2.2 {set command: runtime error, not array variable} -setup {
250    unset -nocomplain b
251} -body {
252    set b 44
253    list [catch {set b(123)} msg] $msg
254} -result {1 {can't read "b(123)": variable isn't array}}
255test set-2.3 {set command: runtime error, errors in reading variables} -setup {
256    unset -nocomplain a
257} -body {
258    set a(6) 44
259    list [catch {set a(18)} msg] $msg
260} -result {1 {can't read "a(18)": no such element in array}}
261test set-2.4 {set command: runtime error, readonly variable} -setup {
262    unset -nocomplain x
263} -body {
264    proc readonly args {error "variable is read-only"}
265    set x 123
266    trace var x w readonly
267    list [catch {set x 1} msg] $msg $::errorInfo
268} -match glob -result {1 {can't set "x": variable is read-only} {*variable is read-only
269    while executing
270*
271"set x 1"}}
272test set-2.5 {set command: runtime error, basic array operations} -setup {
273    unset -nocomplain a
274} -body {
275    array set a {}
276    list [catch {set a(other)} msg] $msg
277} -result {1 {can't read "a(other)": no such element in array}}
278test set-2.6 {set command: runtime error, basic array operations} -setup {
279    unset -nocomplain a
280} -body {
281    array set a {}
282    list [catch {set a} msg] $msg
283} -result {1 {can't read "a": variable is array}}
284
285# Test the uncompiled version of set
286
287catch {unset a}
288catch {unset b}
289catch {unset i}
290catch {unset x}
291
292test set-3.1 {uncompiled set command: missing variable name} {
293    set z set
294    list [catch {$z} msg] $msg
295} {1 {wrong # args: should be "set varName ?newValue?"}}
296test set-3.2 {uncompiled set command: simple variable name} {
297    set z set
298    $z i 10
299    list [$z i] $i
300} {10 10}
301test set-3.3 {uncompiled set command: error compiling variable name} {
302    set z set
303    $z i 10
304    catch {$z "i"xxx} msg
305    $z msg
306} {extra characters after close-quote}
307test set-3.4 {uncompiled set command: simple variable name in quotes} {
308    set z set
309    $z i 17
310    list [$z "i"] $i
311} {17 17}
312test set-3.5 {uncompiled set command: simple variable name in braces} {
313    set z set
314    catch {unset {a simple var}}
315    $z {a simple var} 27
316    list [$z {a simple var}] ${a simple var}
317} {27 27}
318test set-3.6 {uncompiled set command: simple array variable name} {
319    set z set
320    catch {unset a}
321    $z a(foo) 37
322    list [$z a(foo)] $a(foo)
323} {37 37}
324test set-3.7 {uncompiled set command: non-simple (computed) variable name} {
325    set z set
326    $z x "i"
327    $z i 77
328    list [$z $x] $i
329} {77 77}
330test set-3.8 {uncompiled set command: non-simple (computed) variable name} {
331    set z set
332    $z x "i"
333    $z i 77
334    list [$z [$z x] 2] $i
335} {2 2}
336
337test set-3.9 {uncompiled set command: 3rd arg => assignment} {
338    set z set
339    $z i "abcdef"
340    list [$z i] $i
341} {abcdef abcdef}
342test set-3.10 {uncompiled set command: only two args => just getting value} {
343    set z set
344    $z i {one two}
345    $z i
346} {one two}
347
348test set-3.11 {uncompiled set command: simple global name} {
349    proc p {} {
350	set z set
351        global i
352        $z i 54
353        $z i
354    }
355    p
356} {54}
357test set-3.12 {uncompiled set command: simple local name} {
358    proc p {bar} {
359	set z set
360        $z foo $bar
361        $z foo
362    }
363    p 999
364} {999}
365test set-3.13 {uncompiled set command: simple but new (unknown) local name} {
366    set z set
367    proc p {} {
368	set z set
369        $z bar
370    }
371    catch {p} msg
372    $z msg
373} {can't read "bar": no such variable}
374test set-3.14 {uncompiled set command: simple local name, >255 locals} {
375    proc 260locals {} {
376	set z set
377        # create 260 locals (the last ones with index > 255)
378        $z a0 0; $z a1 0; $z a2 0; $z a3 0; $z a4 0
379        $z a5 0; $z a6 0; $z a7 0; $z a8 0; $z a9 0
380        $z b0 0; $z b1 0; $z b2 0; $z b3 0; $z b4 0
381        $z b5 0; $z b6 0; $z b7 0; $z b8 0; $z b9 0
382        $z c0 0; $z c1 0; $z c2 0; $z c3 0; $z c4 0
383        $z c5 0; $z c6 0; $z c7 0; $z c8 0; $z c9 0
384        $z d0 0; $z d1 0; $z d2 0; $z d3 0; $z d4 0
385        $z d5 0; $z d6 0; $z d7 0; $z d8 0; $z d9 0
386        $z e0 0; $z e1 0; $z e2 0; $z e3 0; $z e4 0
387        $z e5 0; $z e6 0; $z e7 0; $z e8 0; $z e9 0
388        $z f0 0; $z f1 0; $z f2 0; $z f3 0; $z f4 0
389        $z f5 0; $z f6 0; $z f7 0; $z f8 0; $z f9 0
390        $z g0 0; $z g1 0; $z g2 0; $z g3 0; $z g4 0
391        $z g5 0; $z g6 0; $z g7 0; $z g8 0; $z g9 0
392        $z h0 0; $z h1 0; $z h2 0; $z h3 0; $z h4 0
393        $z h5 0; $z h6 0; $z h7 0; $z h8 0; $z h9 0
394        $z i0 0; $z i1 0; $z i2 0; $z i3 0; $z i4 0
395        $z i5 0; $z i6 0; $z i7 0; $z i8 0; $z i9 0
396        $z j0 0; $z j1 0; $z j2 0; $z j3 0; $z j4 0
397        $z j5 0; $z j6 0; $z j7 0; $z j8 0; $z j9 0
398        $z k0 0; $z k1 0; $z k2 0; $z k3 0; $z k4 0
399        $z k5 0; $z k6 0; $z k7 0; $z k8 0; $z k9 0
400        $z l0 0; $z l1 0; $z l2 0; $z l3 0; $z l4 0
401        $z l5 0; $z l6 0; $z l7 0; $z l8 0; $z l9 0
402        $z m0 0; $z m1 0; $z m2 0; $z m3 0; $z m4 0
403        $z m5 0; $z m6 0; $z m7 0; $z m8 0; $z m9 0
404        $z n0 0; $z n1 0; $z n2 0; $z n3 0; $z n4 0
405        $z n5 0; $z n6 0; $z n7 0; $z n8 0; $z n9 0
406        $z o0 0; $z o1 0; $z o2 0; $z o3 0; $z o4 0
407        $z o5 0; $z o6 0; $z o7 0; $z o8 0; $z o9 0
408        $z p0 0; $z p1 0; $z p2 0; $z p3 0; $z p4 0
409        $z p5 0; $z p6 0; $z p7 0; $z p8 0; $z p9 0
410        $z q0 0; $z q1 0; $z q2 0; $z q3 0; $z q4 0
411        $z q5 0; $z q6 0; $z q7 0; $z q8 0; $z q9 0
412        $z r0 0; $z r1 0; $z r2 0; $z r3 0; $z r4 0
413        $z r5 0; $z r6 0; $z r7 0; $z r8 0; $z r9 0
414        $z s0 0; $z s1 0; $z s2 0; $z s3 0; $z s4 0
415        $z s5 0; $z s6 0; $z s7 0; $z s8 0; $z s9 0
416        $z t0 0; $z t1 0; $z t2 0; $z t3 0; $z t4 0
417        $z t5 0; $z t6 0; $z t7 0; $z t8 0; $z t9 0
418        $z u0 0; $z u1 0; $z u2 0; $z u3 0; $z u4 0
419        $z u5 0; $z u6 0; $z u7 0; $z u8 0; $z u9 0
420        $z v0 0; $z v1 0; $z v2 0; $z v3 0; $z v4 0
421        $z v5 0; $z v6 0; $z v7 0; $z v8 0; $z v9 0
422        $z w0 0; $z w1 0; $z w2 0; $z w3 0; $z w4 0
423        $z w5 0; $z w6 0; $z w7 0; $z w8 0; $z w9 0
424        $z x0 0; $z x1 0; $z x2 0; $z x3 0; $z x4 0
425        $z x5 0; $z x6 0; $z x7 0; $z x8 0; $z x9 0
426        $z y0 0; $z y1 0; $z y2 0; $z y3 0; $z y4 0
427        $z y5 0; $z y6 0; $z y7 0; $z y8 0; $z y9 0
428        $z z0 0; $z z1 0; $z z2 0; $z z3 0; $z z4 0
429        $z z5 0; $z z6 0; $z z7 0; $z z8 0; $z z9 1234
430    }
431    260locals
432} {1234}
433test set-3.15 {uncompiled set command: variable is array} {
434    set z set
435    catch {unset a}
436    $z x 27
437    $z x [$z a(foo) 11]
438    catch {unset a}
439    $z x
440} 11
441test set-3.16 {uncompiled set command: variable is array, elem substitutions} {
442    set z set
443    catch {unset a}
444    $z i 5
445    $z x 789
446    $z a(foo5) 27
447    $z x [$z a(foo$i)]
448    catch {unset a}
449    $z x
450} 27
451
452test set-3.17 {uncompiled set command: doing assignment, simple int} {
453    set z set
454    $z i 5
455    $z i 123
456} 123
457test set-3.18 {uncompiled set command: doing assignment, simple int} {
458    set z set
459    $z i 5
460    $z i -100
461} -100
462test set-3.19 {uncompiled set command: doing assignment, simple but not int} {
463    set z set
464    $z i 5
465    $z i 0x12MNOP
466    $z i
467} {0x12MNOP}
468test set-3.20 {uncompiled set command: doing assignment, in quotes} {
469    set z set
470    $z i 25
471    $z i "-100"
472} -100
473test set-3.21 {uncompiled set command: doing assignment, in braces} {
474    set z set
475    $z i 24
476    $z i {126}
477} 126
478test set-3.22 {uncompiled set command: doing assignment, large int} {
479    set z set
480    $z i 5
481    $z i 200000
482} 200000
483test set-3.23 {uncompiled set command: doing assignment, formatted int != int} {
484    set z set
485    $z i 25
486    $z i 0o00012345     ;# an octal literal == 5349 decimal
487    list $i [incr i]
488} {0o00012345 5350}
489
490test set-3.24 {uncompiled set command: too many arguments} {
491    set z set
492    $z i 10
493    catch {$z i 20 30} msg
494    $z msg
495} {wrong # args: should be "set varName ?newValue?"}
496
497test set-4.1 {uncompiled set command: runtime error, bad variable name} -setup {
498    unset -nocomplain {"foo}
499} -body {
500    set z set
501    list [catch {$z {"foo}} msg] $msg $::errorInfo
502} -result {1 {can't read ""foo": no such variable} {can't read ""foo": no such variable
503    while executing
504"$z {"foo}"}}
505# Stop my editor highlighter " from being confused
506test set-4.2 {uncompiled set command: runtime error, not array variable} -setup {
507    catch {unset b}
508} -body {
509    set z set
510    $z b 44
511    list [catch {$z b(123)} msg] $msg
512} -result {1 {can't read "b(123)": variable isn't array}}
513test set-4.3 {uncompiled set command: runtime error, errors in reading variables} -setup {
514    catch {unset a}
515} -body {
516    set z set
517    $z a(6) 44
518    list [catch {$z a(18)} msg] $msg
519} -result {1 {can't read "a(18)": no such element in array}}
520test set-4.4 {uncompiled set command: runtime error, readonly variable} -body {
521    set z set
522    proc readonly args {error "variable is read-only"}
523    $z x 123
524    trace var x w readonly
525    list [catch {$z x 1} msg] $msg $::errorInfo
526} -match glob -result {1 {can't set "x": variable is read-only} {*variable is read-only
527    while executing
528*
529"$z x 1"}}
530test set-4.5 {uncompiled set command: runtime error, basic array operations} -setup {
531    unset -nocomplain a
532    array set a {}
533} -body {
534    set z set
535    list [catch {$z a(other)} msg] $msg
536} -result {1 {can't read "a(other)": no such element in array}}
537test set-4.6 {set command: runtime error, basic array operations} -setup {
538    unset -nocomplain a
539    array set a {}
540} -body {
541    set z set
542    list [catch {$z a} msg] $msg
543} -result {1 {can't read "a": variable is array}}
544
545test set-5.1 {error on malformed array name} -constraints testset2 -setup {
546    unset -nocomplain z
547} -body {
548    catch {testset2 z(a) b} msg
549    catch {testset2 z(b) a} msg1
550    list $msg $msg1
551} -result {{can't read "z(a)(b)": variable isn't array} {can't read "z(b)(a)": variable isn't array}}
552# In a mem-debug build, this test will crash unless Bug 3602706 is fixed.
553test set-5.2 {Bug 3602706} -body {
554    testset2 ::tcl_platform not-in-there
555} -returnCodes error -result * -match glob
556
557# cleanup
558catch {unset a}
559catch {unset b}
560catch {unset i}
561catch {unset x}
562catch {unset z}
563::tcltest::cleanupTests
564return
565
566# Local Variables:
567# mode: tcl
568# End:
569