path: root/tests/set.test

# Commands covered:  set
#
# 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 © 1996 Sun Microsystems, Inc.
# Copyright © 1998-1999 Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

if {"::tcltest" ni [namespace children]} {
    package require tcltest 2.5
    namespace import -force ::tcltest::*
}

::tcltest::loadTestedCommands
catch [list package require -exact tcl::test [info patchlevel]]

testConstraint testset2 [llength [info commands testset2]]

catch {unset x}
catch {unset i}

test set-1.1 {TclCompileSetCmd: missing variable name} {
    list [catch {set} msg] $msg
} {1 {wrong # args: should be "set varName ?newValue?"}}
test set-1.2 {TclCompileSetCmd: simple variable name} {
    set i 10
    list [set i] $i
} {10 10}
test set-1.3 {TclCompileSetCmd: error compiling variable name} {
    set i 10
    catch {set "i"xxx} msg
    set msg
} {extra characters after close-quote}
test set-1.4 {TclCompileSetCmd: simple variable name in quotes} {
    set i 17
    list [set "i"] $i
} {17 17}
test set-1.5 {TclCompileSetCmd: simple variable name in braces} -setup {
    catch {unset {a simple var}}
} -body {
    set {a simple var} 27
    list [set {a simple var}] ${a simple var}
} -result {27 27}
test set-1.6 {TclCompileSetCmd: simple array variable name} -setup {
    catch {unset a}
} -body {
    set a(foo) 37
    list [set a(foo)] $a(foo)
} -result {37 37}
test set-1.7 {TclCompileSetCmd: non-simple (computed) variable name} {
    set x "i"
    set i 77
    list [set $x] $i
} {77 77}
test set-1.8 {TclCompileSetCmd: non-simple (computed) variable name} {
    set x "i"
    set i 77
    list [set [set x] 2] $i
} {2 2}

test set-1.9 {TclCompileSetCmd: 3rd arg => assignment} {
    set i "abcdef"
    list [set i] $i
} {abcdef abcdef}
test set-1.10 {TclCompileSetCmd: only two args => just getting value} {
    set i {one two}
    set i
} {one two}

test set-1.11 {TclCompileSetCmd: simple global name} {
    proc p {} {
        global i
        set i 54
        set i
    }
    p
} {54}
test set-1.12 {TclCompileSetCmd: simple local name} {
    proc p {bar} {
        set foo $bar
        set foo
    }
    p 999
} {999}
test set-1.13 {TclCompileSetCmd: simple but new (unknown) local name} {
    proc p {} {
        set bar
    }
    catch {p} msg
    set msg
} {can't read "bar": no such variable}
test set-1.14 {TclCompileSetCmd: simple local name, >255 locals} {
    proc 260locals {} {
        # create 260 locals (the last ones with index > 255)
        set a0 0; set a1 0; set a2 0; set a3 0; set a4 0
        set a5 0; set a6 0; set a7 0; set a8 0; set a9 0
        set b0 0; set b1 0; set b2 0; set b3 0; set b4 0
        set b5 0; set b6 0; set b7 0; set b8 0; set b9 0
        set c0 0; set c1 0; set c2 0; set c3 0; set c4 0
        set c5 0; set c6 0; set c7 0; set c8 0; set c9 0
        set d0 0; set d1 0; set d2 0; set d3 0; set d4 0
        set d5 0; set d6 0; set d7 0; set d8 0; set d9 0
        set e0 0; set e1 0; set e2 0; set e3 0; set e4 0
        set e5 0; set e6 0; set e7 0; set e8 0; set e9 0
        set f0 0; set f1 0; set f2 0; set f3 0; set f4 0
        set f5 0; set f6 0; set f7 0; set f8 0; set f9 0
        set g0 0; set g1 0; set g2 0; set g3 0; set g4 0
        set g5 0; set g6 0; set g7 0; set g8 0; set g9 0
        set h0 0; set h1 0; set h2 0; set h3 0; set h4 0
        set h5 0; set h6 0; set h7 0; set h8 0; set h9 0
        set i0 0; set i1 0; set i2 0; set i3 0; set i4 0
        set i5 0; set i6 0; set i7 0; set i8 0; set i9 0
        set j0 0; set j1 0; set j2 0; set j3 0; set j4 0
        set j5 0; set j6 0; set j7 0; set j8 0; set j9 0
        set k0 0; set k1 0; set k2 0; set k3 0; set k4 0
        set k5 0; set k6 0; set k7 0; set k8 0; set k9 0
        set l0 0; set l1 0; set l2 0; set l3 0; set l4 0
        set l5 0; set l6 0; set l7 0; set l8 0; set l9 0
        set m0 0; set m1 0; set m2 0; set m3 0; set m4 0
        set m5 0; set m6 0; set m7 0; set m8 0; set m9 0
        set n0 0; set n1 0; set n2 0; set n3 0; set n4 0
        set n5 0; set n6 0; set n7 0; set n8 0; set n9 0
        set o0 0; set o1 0; set o2 0; set o3 0; set o4 0
        set o5 0; set o6 0; set o7 0; set o8 0; set o9 0
        set p0 0; set p1 0; set p2 0; set p3 0; set p4 0
        set p5 0; set p6 0; set p7 0; set p8 0; set p9 0
        set q0 0; set q1 0; set q2 0; set q3 0; set q4 0
        set q5 0; set q6 0; set q7 0; set q8 0; set q9 0
        set r0 0; set r1 0; set r2 0; set r3 0; set r4 0
        set r5 0; set r6 0; set r7 0; set r8 0; set r9 0
        set s0 0; set s1 0; set s2 0; set s3 0; set s4 0
        set s5 0; set s6 0; set s7 0; set s8 0; set s9 0
        set t0 0; set t1 0; set t2 0; set t3 0; set t4 0
        set t5 0; set t6 0; set t7 0; set t8 0; set t9 0
        set u0 0; set u1 0; set u2 0; set u3 0; set u4 0
        set u5 0; set u6 0; set u7 0; set u8 0; set u9 0
        set v0 0; set v1 0; set v2 0; set v3 0; set v4 0
        set v5 0; set v6 0; set v7 0; set v8 0; set v9 0
        set w0 0; set w1 0; set w2 0; set w3 0; set w4 0
        set w5 0; set w6 0; set w7 0; set w8 0; set w9 0
        set x0 0; set x1 0; set x2 0; set x3 0; set x4 0
        set x5 0; set x6 0; set x7 0; set x8 0; set x9 0
        set y0 0; set y1 0; set y2 0; set y3 0; set y4 0
        set y5 0; set y6 0; set y7 0; set y8 0; set y9 0
        set z0 0; set z1 0; set z2 0; set z3 0; set z4 0
        set z5 0; set z6 0; set z7 0; set z8 0; set z9 1234
    }
    260locals
} {1234}
test set-1.15 {TclCompileSetCmd: variable is array} -setup {
    catch {unset a}
} -body {
    set x 27
    set x [set a(foo) 11]
    catch {unset a}
    set x
} -result 11
test set-1.16 {TclCompileSetCmd: variable is array, elem substitutions} -setup {
    catch {unset a}
} -body {
    set i 5
    set x 789
    set a(foo5) 27
    set x [set a(foo$i)]
    catch {unset a}
    set x
} -result 27

test set-1.17 {TclCompileSetCmd: doing assignment, simple int} {
    set i 5
    set i 123
} 123
test set-1.18 {TclCompileSetCmd: doing assignment, simple int} {
    set i 5
    set i -100
} -100
test set-1.19 {TclCompileSetCmd: doing assignment, simple but not int} {
    set i 5
    set i 0x12MNOP
    set i
} {0x12MNOP}
test set-1.20 {TclCompileSetCmd: doing assignment, in quotes} {
    set i 25
    set i "-100"
} -100
test set-1.21 {TclCompileSetCmd: doing assignment, in braces} {
    set i 24
    set i {126}
} 126
test set-1.22 {TclCompileSetCmd: doing assignment, large int} {
    set i 5
    set i 200000
} 200000
test set-1.23 {TclCompileSetCmd: doing assignment, formatted int != int} {
    set i 25
    set i 0o00012345     ;# an octal literal == 5349 decimal
    list $i [incr i]
} {0o00012345 5350}

test set-1.24 {TclCompileSetCmd: too many arguments} {
    set i 10
    catch {set i 20 30} msg
    set msg
} {wrong # args: should be "set varName ?newValue?"}

test set-1.25 {TclCompileSetCmd: var is array, braced (no subs)} {
    # This was a known error in 8.1a* - 8.2.1
    catch {unset array}
    set {array($foo)} 5
} 5
test set-1.26 {TclCompileSetCmd: various array constructs} {
    # Test all kinds of array constructs that TclCompileSetCmd
    # may feel inclined to tamper with.
    apply {{} {
	set a x
	set be(hej) 1					; # hej
	set be($a) 1					; # x
	set {be($a)} 1					; # $a
	set be($a,hej) 1				; # x,hej
	set be($a,$a) 5					; # x,x
	set be(c($a) 1					; # c(x
	set be(\w\w) 1					; # ww
	set be(a:$a) [set be(x,$a)]			; # a:x
	set be(hej,$be($a,hej),hej) 1			; # hej,1,hej
	set be([string range hugge 0 2]) 1		; # hug
	set be(a\ a) 1					; # a a
	set be($a\ ,[string range hugge 1 3],hej) 1	; # x ,ugg,hej
	set be($a,h"ej) 1				; # x,h"ej
	set be([string range "a b c" 2 end]) 1		; # b c
	set [string range bet 0 1](foo) 1		; # foo
	set be([set be(a:$a)][set b\e($a)]) 1		; # 51
	return [lsort [array names be]]
    }}
} [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
{b c} foo 51}]; # " just a matching end quote

test set-2.1 {set command: runtime error, bad variable name} -setup {
    unset -nocomplain {"foo}
} -body {
    list [catch {set {"foo}} msg] $msg $::errorInfo
} -result {1 {can't read ""foo": no such variable} {can't read ""foo": no such variable
    while executing
"set {"foo}"}}
# Stop my editor highlighter " from being confused
test set-2.2 {set command: runtime error, not array variable} -setup {
    unset -nocomplain b
} -body {
    set b 44
    list [catch {set b(123)} msg] $msg
} -result {1 {can't read "b(123)": variable isn't array}}
test set-2.3 {set command: runtime error, errors in reading variables} -setup {
    unset -nocomplain a
} -body {
    set a(6) 44
    list [catch {set a(18)} msg] $msg
} -result {1 {can't read "a(18)": no such element in array}}
test set-2.4 {set command: runtime error, readonly variable} -setup {
    unset -nocomplain x
} -body {
    proc readonly args {error "variable is read-only"}
    set x 123
    trace add var x write readonly
    list [catch {set x 1} msg] $msg $::errorInfo
} -match glob -result {1 {can't set "x": variable is read-only} {*variable is read-only
    while executing
*
"set x 1"}}
test set-2.5 {set command: runtime error, basic array operations} -setup {
    unset -nocomplain a
} -body {
    array set a {}
    list [catch {set a(other)} msg] $msg
} -result {1 {can't read "a(other)": no such element in array}}
test set-2.6 {set command: runtime error, basic array operations} -setup {
    unset -nocomplain a
} -body {
    array set a {}
    list [catch {set a} msg] $msg
} -result {1 {can't read "a": variable is array}}

# Test the uncompiled version of set

catch {unset a}
catch {unset b}
catch {unset i}
catch {unset x}

test set-3.1 {uncompiled set command: missing variable name} {
    set z set
    list [catch {$z} msg] $msg
} {1 {wrong # args: should be "set varName ?newValue?"}}
test set-3.2 {uncompiled set command: simple variable name} {
    set z set
    $z i 10
    list [$z i] $i
} {10 10}
test set-3.3 {uncompiled set command: error compiling variable name} {
    set z set
    $z i 10
    catch {$z "i"xxx} msg
    $z msg
} {extra characters after close-quote}
test set-3.4 {uncompiled set command: simple variable name in quotes} {
    set z set
    $z i 17
    list [$z "i"] $i
} {17 17}
test set-3.5 {uncompiled set command: simple variable name in braces} {
    set z set
    catch {unset {a simple var}}
    $z {a simple var} 27
    list [$z {a simple var}] ${a simple var}
} {27 27}
test set-3.6 {uncompiled set command: simple array variable name} {
    set z set
    catch {unset a}
    $z a(foo) 37
    list [$z a(foo)] $a(foo)
} {37 37}
test set-3.7 {uncompiled set command: non-simple (computed) variable name} {
    set z set
    $z x "i"
    $z i 77
    list [$z $x] $i
} {77 77}
test set-3.8 {uncompiled set command: non-simple (computed) variable name} {
    set z set
    $z x "i"
    $z i 77
    list [$z [$z x] 2] $i
} {2 2}

test set-3.9 {uncompiled set command: 3rd arg => assignment} {
    set z set
    $z i "abcdef"
    list [$z i] $i
} {abcdef abcdef}
test set-3.10 {uncompiled set command: only two args => just getting value} {
    set z set
    $z i {one two}
    $z i
} {one two}

test set-3.11 {uncompiled set command: simple global name} {
    proc p {} {
	set z set
        global i
        $z i 54
        $z i
    }
    p
} {54}
test set-3.12 {uncompiled set command: simple local name} {
    proc p {bar} {
	set z set
        $z foo $bar
        $z foo
    }
    p 999
} {999}
test set-3.13 {uncompiled set command: simple but new (unknown) local name} {
    set z set
    proc p {} {
	set z set
        $z bar
    }
    catch {p} msg
    $z msg
} {can't read "bar": no such variable}
test set-3.14 {uncompiled set command: simple local name, >255 locals} {
    proc 260locals {} {
	set z set
        # create 260 locals (the last ones with index > 255)
        $z a0 0; $z a1 0; $z a2 0; $z a3 0; $z a4 0
        $z a5 0; $z a6 0; $z a7 0; $z a8 0; $z a9 0
        $z b0 0; $z b1 0; $z b2 0; $z b3 0; $z b4 0
        $z b5 0; $z b6 0; $z b7 0; $z b8 0; $z b9 0
        $z c0 0; $z c1 0; $z c2 0; $z c3 0; $z c4 0
        $z c5 0; $z c6 0; $z c7 0; $z c8 0; $z c9 0
        $z d0 0; $z d1 0; $z d2 0; $z d3 0; $z d4 0
        $z d5 0; $z d6 0; $z d7 0; $z d8 0; $z d9 0
        $z e0 0; $z e1 0; $z e2 0; $z e3 0; $z e4 0
        $z e5 0; $z e6 0; $z e7 0; $z e8 0; $z e9 0
        $z f0 0; $z f1 0; $z f2 0; $z f3 0; $z f4 0
        $z f5 0; $z f6 0; $z f7 0; $z f8 0; $z f9 0
        $z g0 0; $z g1 0; $z g2 0; $z g3 0; $z g4 0
        $z g5 0; $z g6 0; $z g7 0; $z g8 0; $z g9 0
        $z h0 0; $z h1 0; $z h2 0; $z h3 0; $z h4 0
        $z h5 0; $z h6 0; $z h7 0; $z h8 0; $z h9 0
        $z i0 0; $z i1 0; $z i2 0; $z i3 0; $z i4 0
        $z i5 0; $z i6 0; $z i7 0; $z i8 0; $z i9 0
        $z j0 0; $z j1 0; $z j2 0; $z j3 0; $z j4 0
        $z j5 0; $z j6 0; $z j7 0; $z j8 0; $z j9 0
        $z k0 0; $z k1 0; $z k2 0; $z k3 0; $z k4 0
        $z k5 0; $z k6 0; $z k7 0; $z k8 0; $z k9 0
        $z l0 0; $z l1 0; $z l2 0; $z l3 0; $z l4 0
        $z l5 0; $z l6 0; $z l7 0; $z l8 0; $z l9 0
        $z m0 0; $z m1 0; $z m2 0; $z m3 0; $z m4 0
        $z m5 0; $z m6 0; $z m7 0; $z m8 0; $z m9 0
        $z n0 0; $z n1 0; $z n2 0; $z n3 0; $z n4 0
        $z n5 0; $z n6 0; $z n7 0; $z n8 0; $z n9 0
        $z o0 0; $z o1 0; $z o2 0; $z o3 0; $z o4 0
        $z o5 0; $z o6 0; $z o7 0; $z o8 0; $z o9 0
        $z p0 0; $z p1 0; $z p2 0; $z p3 0; $z p4 0
        $z p5 0; $z p6 0; $z p7 0; $z p8 0; $z p9 0
        $z q0 0; $z q1 0; $z q2 0; $z q3 0; $z q4 0
        $z q5 0; $z q6 0; $z q7 0; $z q8 0; $z q9 0
        $z r0 0; $z r1 0; $z r2 0; $z r3 0; $z r4 0
        $z r5 0; $z r6 0; $z r7 0; $z r8 0; $z r9 0
        $z s0 0; $z s1 0; $z s2 0; $z s3 0; $z s4 0
        $z s5 0; $z s6 0; $z s7 0; $z s8 0; $z s9 0
        $z t0 0; $z t1 0; $z t2 0; $z t3 0; $z t4 0
        $z t5 0; $z t6 0; $z t7 0; $z t8 0; $z t9 0
        $z u0 0; $z u1 0; $z u2 0; $z u3 0; $z u4 0
        $z u5 0; $z u6 0; $z u7 0; $z u8 0; $z u9 0
        $z v0 0; $z v1 0; $z v2 0; $z v3 0; $z v4 0
        $z v5 0; $z v6 0; $z v7 0; $z v8 0; $z v9 0
        $z w0 0; $z w1 0; $z w2 0; $z w3 0; $z w4 0
        $z w5 0; $z w6 0; $z w7 0; $z w8 0; $z w9 0
        $z x0 0; $z x1 0; $z x2 0; $z x3 0; $z x4 0
        $z x5 0; $z x6 0; $z x7 0; $z x8 0; $z x9 0
        $z y0 0; $z y1 0; $z y2 0; $z y3 0; $z y4 0
        $z y5 0; $z y6 0; $z y7 0; $z y8 0; $z y9 0
        $z z0 0; $z z1 0; $z z2 0; $z z3 0; $z z4 0
        $z z5 0; $z z6 0; $z z7 0; $z z8 0; $z z9 1234
    }
    260locals
} {1234}
test set-3.15 {uncompiled set command: variable is array} {
    set z set
    catch {unset a}
    $z x 27
    $z x [$z a(foo) 11]
    catch {unset a}
    $z x
} 11
test set-3.16 {uncompiled set command: variable is array, elem substitutions} {
    set z set
    catch {unset a}
    $z i 5
    $z x 789
    $z a(foo5) 27
    $z x [$z a(foo$i)]
    catch {unset a}
    $z x
} 27

test set-3.17 {uncompiled set command: doing assignment, simple int} {
    set z set
    $z i 5
    $z i 123
} 123
test set-3.18 {uncompiled set command: doing assignment, simple int} {
    set z set
    $z i 5
    $z i -100
} -100
test set-3.19 {uncompiled set command: doing assignment, simple but not int} {
    set z set
    $z i 5
    $z i 0x12MNOP
    $z i
} {0x12MNOP}
test set-3.20 {uncompiled set command: doing assignment, in quotes} {
    set z set
    $z i 25
    $z i "-100"
} -100
test set-3.21 {uncompiled set command: doing assignment, in braces} {
    set z set
    $z i 24
    $z i {126}
} 126
test set-3.22 {uncompiled set command: doing assignment, large int} {
    set z set
    $z i 5
    $z i 200000
} 200000
test set-3.23 {uncompiled set command: doing assignment, formatted int != int} {
    set z set
    $z i 25
    $z i 0o00012345     ;# an octal literal == 5349 decimal
    list $i [incr i]
} {0o00012345 5350}

test set-3.24 {uncompiled set command: too many arguments} {
    set z set
    $z i 10
    catch {$z i 20 30} msg
    $z msg
} {wrong # args: should be "set varName ?newValue?"}

test set-4.1 {uncompiled set command: runtime error, bad variable name} -setup {
    unset -nocomplain {"foo}
} -body {
    set z set
    list [catch {$z {"foo}} msg] $msg $::errorInfo
} -result {1 {can't read ""foo": no such variable} {can't read ""foo": no such variable
    while executing
"$z {"foo}"}}
# Stop my editor highlighter " from being confused
test set-4.2 {uncompiled set command: runtime error, not array variable} -setup {
    catch {unset b}
} -body {
    set z set
    $z b 44
    list [catch {$z b(123)} msg] $msg
} -result {1 {can't read "b(123)": variable isn't array}}
test set-4.3 {uncompiled set command: runtime error, errors in reading variables} -setup {
    catch {unset a}
} -body {
    set z set
    $z a(6) 44
    list [catch {$z a(18)} msg] $msg
} -result {1 {can't read "a(18)": no such element in array}}
test set-4.4 {uncompiled set command: runtime error, readonly variable} -body {
    set z set
    proc readonly args {error "variable is read-only"}
    $z x 123
    trace add var x write readonly
    list [catch {$z x 1} msg] $msg $::errorInfo
} -match glob -result {1 {can't set "x": variable is read-only} {*variable is read-only
    while executing
*
"$z x 1"}}
test set-4.5 {uncompiled set command: runtime error, basic array operations} -setup {
    unset -nocomplain a
    array set a {}
} -body {
    set z set
    list [catch {$z a(other)} msg] $msg
} -result {1 {can't read "a(other)": no such element in array}}
test set-4.6 {set command: runtime error, basic array operations} -setup {
    unset -nocomplain a
    array set a {}
} -body {
    set z set
    list [catch {$z a} msg] $msg
} -result {1 {can't read "a": variable is array}}

test set-5.1 {error on malformed array name} -constraints testset2 -setup {
    unset -nocomplain z
} -body {
    catch {testset2 z(a) b} msg
    catch {testset2 z(b) a} msg1
    list $msg $msg1
} -result {{can't read "z(a)(b)": variable isn't array} {can't read "z(b)(a)": variable isn't array}}
# In a mem-debug build, this test will crash unless Bug 3602706 is fixed.
test set-5.2 {Bug 3602706} -body {
    testset2 ::tcl_platform not-in-there
} -returnCodes error -result * -match glob

# cleanup
catch {unset a}
catch {unset b}
catch {unset i}
catch {unset x}
catch {unset z}
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End: