mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-14 10:09:48 +00:00
395 lines
9.4 KiB
Plaintext
395 lines
9.4 KiB
Plaintext
# Commands covered: upvar
|
|
#
|
|
# 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.
|
|
#
|
|
# See the file "license.terms" for information on usage and redistribution
|
|
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
|
#
|
|
# SCCS: @(#) upvar.test 1.15 97/10/29 18:25:56
|
|
|
|
if {[string compare test [info procs test]] == 1} then {source defs}
|
|
|
|
test upvar-1.1 {reading variables with upvar} {
|
|
proc p1 {a b} {set c 22; set d 33; p2}
|
|
proc p2 {} {upvar a x1 b x2 c x3 d x4; set a abc; list $x1 $x2 $x3 $x4 $a}
|
|
p1 foo bar
|
|
} {foo bar 22 33 abc}
|
|
test upvar-1.2 {reading variables with upvar} {
|
|
proc p1 {a b} {set c 22; set d 33; p2}
|
|
proc p2 {} {p3}
|
|
proc p3 {} {upvar 2 a x1 b x2 c x3 d x4; set a abc; list $x1 $x2 $x3 $x4 $a}
|
|
p1 foo bar
|
|
} {foo bar 22 33 abc}
|
|
test upvar-1.3 {reading variables with upvar} {
|
|
proc p1 {a b} {set c 22; set d 33; p2}
|
|
proc p2 {} {p3}
|
|
proc p3 {} {
|
|
upvar #1 a x1 b x2 c x3 d x4
|
|
set a abc
|
|
list $x1 $x2 $x3 $x4 $a
|
|
}
|
|
p1 foo bar
|
|
} {foo bar 22 33 abc}
|
|
test upvar-1.4 {reading variables with upvar} {
|
|
set x1 44
|
|
set x2 55
|
|
proc p1 {} {p2}
|
|
proc p2 {} {
|
|
upvar 2 x1 x1 x2 a
|
|
upvar #0 x1 b
|
|
set c $b
|
|
incr b 3
|
|
list $x1 $a $b
|
|
}
|
|
p1
|
|
} {47 55 47}
|
|
test upvar-1.5 {reading array elements with upvar} {
|
|
proc p1 {} {set a(0) zeroth; set a(1) first; p2}
|
|
proc p2 {} {upvar a(0) x; set x}
|
|
p1
|
|
} {zeroth}
|
|
|
|
test upvar-2.1 {writing variables with upvar} {
|
|
proc p1 {a b} {set c 22; set d 33; p2; list $a $b $c $d}
|
|
proc p2 {} {
|
|
upvar a x1 b x2 c x3 d x4
|
|
set x1 14
|
|
set x4 88
|
|
}
|
|
p1 foo bar
|
|
} {14 bar 22 88}
|
|
test upvar-2.2 {writing variables with upvar} {
|
|
set x1 44
|
|
set x2 55
|
|
proc p1 {x1 x2} {
|
|
upvar #0 x1 a
|
|
upvar x2 b
|
|
set a $x1
|
|
set b $x2
|
|
}
|
|
p1 newbits morebits
|
|
list $x1 $x2
|
|
} {newbits morebits}
|
|
test upvar-2.3 {writing variables with upvar} {
|
|
catch {unset x1}
|
|
catch {unset x2}
|
|
proc p1 {x1 x2} {
|
|
upvar #0 x1 a
|
|
upvar x2 b
|
|
set a $x1
|
|
set b $x2
|
|
}
|
|
p1 newbits morebits
|
|
list [catch {set x1} msg] $msg [catch {set x2} msg] $msg
|
|
} {0 newbits 0 morebits}
|
|
test upvar-2.4 {writing array elements with upvar} {
|
|
proc p1 {} {set a(0) zeroth; set a(1) first; list [p2] $a(0)}
|
|
proc p2 {} {upvar a(0) x; set x xyzzy}
|
|
p1
|
|
} {xyzzy xyzzy}
|
|
|
|
test upvar-3.1 {unsetting variables with upvar} {
|
|
proc p1 {a b} {set c 22; set d 33; p2; lsort [info vars]}
|
|
proc p2 {} {
|
|
upvar 1 a x1 d x2
|
|
unset x1 x2
|
|
}
|
|
p1 foo bar
|
|
} {b c}
|
|
test upvar-3.2 {unsetting variables with upvar} {
|
|
proc p1 {a b} {set c 22; set d 33; p2; lsort [info vars]}
|
|
proc p2 {} {
|
|
upvar 1 a x1 d x2
|
|
unset x1 x2
|
|
set x2 28
|
|
}
|
|
p1 foo bar
|
|
} {b c d}
|
|
test upvar-3.3 {unsetting variables with upvar} {
|
|
set x1 44
|
|
set x2 55
|
|
proc p1 {} {p2}
|
|
proc p2 {} {
|
|
upvar 2 x1 a
|
|
upvar #0 x2 b
|
|
unset a b
|
|
}
|
|
p1
|
|
list [info exists x1] [info exists x2]
|
|
} {0 0}
|
|
test upvar-3.4 {unsetting variables with upvar} {
|
|
set x1 44
|
|
set x2 55
|
|
proc p1 {} {
|
|
upvar x1 a x2 b
|
|
unset a b
|
|
set b 118
|
|
}
|
|
p1
|
|
list [info exists x1] [catch {set x2} msg] $msg
|
|
} {0 0 118}
|
|
test upvar-3.5 {unsetting array elements with upvar} {
|
|
proc p1 {} {
|
|
set a(0) zeroth
|
|
set a(1) first
|
|
set a(2) second
|
|
p2
|
|
array names a
|
|
}
|
|
proc p2 {} {upvar a(0) x; unset x}
|
|
p1
|
|
} {1 2}
|
|
test upvar-3.6 {unsetting then resetting array elements with upvar} {
|
|
proc p1 {} {
|
|
set a(0) zeroth
|
|
set a(1) first
|
|
set a(2) second
|
|
p2
|
|
list [array names a] [catch {set a(0)} msg] $msg
|
|
}
|
|
proc p2 {} {upvar a(0) x; unset x; set x 12345}
|
|
p1
|
|
} {{0 1 2} 0 12345}
|
|
|
|
test upvar-4.1 {nested upvars} {
|
|
set x1 88
|
|
proc p1 {a b} {set c 22; set d 33; p2}
|
|
proc p2 {} {global x1; upvar c x2; p3}
|
|
proc p3 {} {
|
|
upvar x1 a x2 b
|
|
list $a $b
|
|
}
|
|
p1 14 15
|
|
} {88 22}
|
|
test upvar-4.2 {nested upvars} {
|
|
set x1 88
|
|
proc p1 {a b} {set c 22; set d 33; p2; list $a $b $c $d}
|
|
proc p2 {} {global x1; upvar c x2; p3}
|
|
proc p3 {} {
|
|
upvar x1 a x2 b
|
|
set a foo
|
|
set b bar
|
|
}
|
|
list [p1 14 15] $x1
|
|
} {{14 15 bar 33} foo}
|
|
|
|
proc tproc {args} {global x; set x [list $args [uplevel info vars]]}
|
|
test upvar-5.1 {traces involving upvars} {
|
|
proc p1 {a b} {set c 22; set d 33; trace var c rw tproc; p2}
|
|
proc p2 {} {upvar c x1; set x1 22}
|
|
set x ---
|
|
p1 foo bar
|
|
set x
|
|
} {{x1 {} w} x1}
|
|
test upvar-5.2 {traces involving upvars} {
|
|
proc p1 {a b} {set c 22; set d 33; trace var c rw tproc; p2}
|
|
proc p2 {} {upvar c x1; set x1}
|
|
set x ---
|
|
p1 foo bar
|
|
set x
|
|
} {{x1 {} r} x1}
|
|
test upvar-5.3 {traces involving upvars} {
|
|
proc p1 {a b} {set c 22; set d 33; trace var c rwu tproc; p2}
|
|
proc p2 {} {upvar c x1; unset x1}
|
|
set x ---
|
|
p1 foo bar
|
|
set x
|
|
} {{x1 {} u} x1}
|
|
|
|
test upvar-6.1 {retargeting an upvar} {
|
|
proc p1 {} {
|
|
set a(0) zeroth
|
|
set a(1) first
|
|
set a(2) second
|
|
p2
|
|
}
|
|
proc p2 {} {
|
|
upvar a x
|
|
set result {}
|
|
foreach i [array names x] {
|
|
upvar a($i) x
|
|
lappend result $x
|
|
}
|
|
lsort $result
|
|
}
|
|
p1
|
|
} {first second zeroth}
|
|
test upvar-6.2 {retargeting an upvar} {
|
|
set x 44
|
|
set y abcde
|
|
proc p1 {} {
|
|
global x
|
|
set result $x
|
|
upvar y x
|
|
lappend result $x
|
|
}
|
|
p1
|
|
} {44 abcde}
|
|
test upvar-6.3 {retargeting an upvar} {
|
|
set x 44
|
|
set y abcde
|
|
proc p1 {} {
|
|
upvar y x
|
|
lappend result $x
|
|
global x
|
|
lappend result $x
|
|
}
|
|
p1
|
|
} {abcde 44}
|
|
|
|
test upvar-7.1 {upvar to same level} {
|
|
set x 44
|
|
set y 55
|
|
catch {unset uv}
|
|
upvar #0 x uv
|
|
set uv abc
|
|
upvar 0 y uv
|
|
set uv xyzzy
|
|
list $x $y
|
|
} {abc xyzzy}
|
|
test upvar-7.2 {upvar to same level} {
|
|
set x 1234
|
|
set y 4567
|
|
proc p1 {x y} {
|
|
upvar 0 x uv
|
|
set uv $y
|
|
return "$x $y"
|
|
}
|
|
p1 44 89
|
|
} {89 89}
|
|
test upvar-7.3 {upvar to same level} {
|
|
set x 1234
|
|
set y 4567
|
|
proc p1 {x y} {
|
|
upvar #1 x uv
|
|
set uv $y
|
|
return "$x $y"
|
|
}
|
|
p1 xyz abc
|
|
} {abc abc}
|
|
test upvar-7.4 {upvar to same level: tricky problems when deleting variable table} {
|
|
proc tt {} {upvar #1 toto loc; return $loc}
|
|
list [catch tt msg] $msg
|
|
} {1 {can't read "loc": no such variable}}
|
|
test upvar-7.5 {potential memory leak when deleting variable table} {
|
|
proc leak {} {
|
|
array set foo {1 2 3 4}
|
|
upvar 0 foo(1) bar
|
|
}
|
|
leak
|
|
} {}
|
|
|
|
test upvar-8.1 {errors in upvar command} {
|
|
list [catch upvar msg] $msg
|
|
} {1 {wrong # args: should be "upvar ?level? otherVar localVar ?otherVar localVar ...?"}}
|
|
test upvar-8.2 {errors in upvar command} {
|
|
list [catch {upvar 1} msg] $msg
|
|
} {1 {wrong # args: should be "upvar ?level? otherVar localVar ?otherVar localVar ...?"}}
|
|
test upvar-8.3 {errors in upvar command} {
|
|
proc p1 {} {upvar a b c}
|
|
list [catch p1 msg] $msg
|
|
} {1 {wrong # args: should be "upvar ?level? otherVar localVar ?otherVar localVar ...?"}}
|
|
test upvar-8.4 {errors in upvar command} {
|
|
proc p1 {} {upvar 0 b b}
|
|
list [catch p1 msg] $msg
|
|
} {1 {can't upvar from variable to itself}}
|
|
test upvar-8.5 {errors in upvar command} {
|
|
proc p1 {} {upvar 0 a b; upvar 0 b a}
|
|
list [catch p1 msg] $msg
|
|
} {1 {can't upvar from variable to itself}}
|
|
test upvar-8.6 {errors in upvar command} {
|
|
proc p1 {} {set a 33; upvar b a}
|
|
list [catch p1 msg] $msg
|
|
} {1 {variable "a" already exists}}
|
|
test upvar-8.7 {errors in upvar command} {
|
|
proc p1 {} {trace variable a w foo; upvar b a}
|
|
list [catch p1 msg] $msg
|
|
} {1 {variable "a" has traces: can't use for upvar}}
|
|
test upvar-8.8 {create nested array with upvar} {
|
|
proc p1 {} {upvar x(a) b; set b(2) 44}
|
|
catch {unset x}
|
|
list [catch p1 msg] $msg
|
|
} {1 {can't set "b(2)": variable isn't array}}
|
|
test upvar-8.9 {upvar won't create namespace variable that refers to procedure variable} {
|
|
catch {eval namespace delete [namespace children :: test_ns_*]}
|
|
catch {rename MakeLink ""}
|
|
namespace eval ::test_ns_1 {}
|
|
proc MakeLink {a} {
|
|
namespace eval ::test_ns_1 {
|
|
upvar a a
|
|
}
|
|
unset ::test_ns_1::a
|
|
}
|
|
list [catch {MakeLink 1} msg] $msg
|
|
} {1 {bad variable name "a": upvar won't create namespace variable that refers to procedure variable}}
|
|
|
|
if {[info commands testupvar] != {}} {
|
|
test upvar-9.1 {Tcl_UpVar2 procedure} {
|
|
list [catch {testupvar xyz a {} x global} msg] $msg
|
|
} {1 {bad level "xyz"}}
|
|
test upvar-9.2 {Tcl_UpVar2 procedure} {
|
|
catch {unset a}
|
|
catch {unset x}
|
|
set a 44
|
|
list [catch {testupvar #0 a 1 x global} msg] $msg
|
|
} {1 {can't access "a(1)": variable isn't array}}
|
|
test upvar-9.3 {Tcl_UpVar2 procedure} {
|
|
proc foo {} {
|
|
testupvar 1 a {} x local
|
|
set x
|
|
}
|
|
catch {unset a}
|
|
catch {unset x}
|
|
set a 44
|
|
foo
|
|
} {44}
|
|
test upvar-9.4 {Tcl_UpVar2 procedure} {
|
|
proc foo {} {
|
|
testupvar 1 a {} _up_ global
|
|
list [catch {set x} msg] $msg
|
|
}
|
|
catch {unset a}
|
|
catch {unset _up_}
|
|
set a 44
|
|
concat [foo] $_up_
|
|
} {1 {can't read "x": no such variable} 44}
|
|
test upvar-9.5 {Tcl_UpVar2 procedure} {
|
|
proc foo {} {
|
|
testupvar 1 a b x local
|
|
set x
|
|
}
|
|
catch {unset a}
|
|
catch {unset x}
|
|
set a(b) 1234
|
|
foo
|
|
} {1234}
|
|
test upvar-9.6 {Tcl_UpVar procedure} {
|
|
proc foo {} {
|
|
testupvar 1 a x local
|
|
set x
|
|
}
|
|
catch {unset a}
|
|
catch {unset x}
|
|
set a xyzzy
|
|
foo
|
|
} {xyzzy}
|
|
test upvar-9.7 {Tcl_UpVar procedure} {
|
|
proc foo {} {
|
|
testupvar #0 a(b) x local
|
|
set x
|
|
}
|
|
catch {unset a}
|
|
catch {unset x}
|
|
set a(b) 1234
|
|
foo
|
|
} {1234}
|
|
}
|
|
catch {unset a}
|
|
|
|
concat
|