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# Commands covered: none
#
# This file contains a collection of tests for Tcl_LinkVar and related
# library procedures. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright (c) 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.
#
# RCS: @(#) $Id: link.test,v 1.2 1998/09/14 18:40:11 stanton Exp $
if {[info commands testlink] == {}} {
puts "This application hasn't been compiled with the \"testlink\""
puts "command, so I can't test Tcl_LinkVar et al."
return
}
if {[string compare test [info procs test]] == 1} then {source defs}
foreach i {int real bool string} {
catch {unset $i}
}
test link-1.1 {reading C variables from Tcl} {
testlink delete
testlink set 43 1.23 4 -
testlink create 1 1 1 1
list $int $real $bool $string
} {43 1.23 1 NULL}
test link-1.2 {reading C variables from Tcl} {
testlink delete
testlink create 1 1 1 1
testlink set -3 2 0 "A long string with spaces"
list $int $real $bool $string $int $real $bool $string
} {-3 2.0 0 {A long string with spaces} -3 2.0 0 {A long string with spaces}}
test link-2.1 {writing C variables from Tcl} {
testlink delete
testlink set 43 1.21 4 -
testlink create 1 1 1 1
set int "00721"
set real -10.5
set bool true
set string abcdef
concat [testlink get] $int $real $bool $string
} {465 -10.5 1 abcdef 00721 -10.5 true abcdef}
test link-2.2 {writing bad values into variables} {
testlink delete
testlink set 43 1.23 4 -
testlink create 1 1 1 1
list [catch {set int 09a} msg] $msg $int
} {1 {can't set "int": variable must have integer value} 43}
test link-2.3 {writing bad values into variables} {
testlink delete
testlink set 43 1.23 4 -
testlink create 1 1 1 1
list [catch {set real 1.x3} msg] $msg $real
} {1 {can't set "real": variable must have real value} 1.23}
test link-2.4 {writing bad values into variables} {
testlink delete
testlink set 43 1.23 4 -
testlink create 1 1 1 1
list [catch {set bool gorp} msg] $msg $bool
} {1 {can't set "bool": variable must have boolean value} 1}
test link-3.1 {read-only variables} {
testlink delete
testlink set 43 1.23 4 -
testlink create 0 1 1 0
list [catch {set int 4} msg] $msg $int \
[catch {set real 10.6} msg] $msg $real \
[catch {set bool no} msg] $msg $bool \
[catch {set string "new value"} msg] $msg $string
} {1 {can't set "int": linked variable is read-only} 43 0 10.6 10.6 0 no no 1 {can't set "string": linked variable is read-only} NULL}
test link-3.2 {read-only variables} {
testlink delete
testlink set 43 1.23 4 -
testlink create 1 0 0 1
list [catch {set int 4} msg] $msg $int \
[catch {set real 10.6} msg] $msg $real \
[catch {set bool no} msg] $msg $bool \
[catch {set string "new value"} msg] $msg $string
} {0 4 4 1 {can't set "real": linked variable is read-only} 1.23 1 {can't set "bool": linked variable is read-only} 1 0 {new value} {new value}}
test link-4.1 {unsetting linked variables} {
testlink delete
testlink set -6 -2.5 0 stringValue
testlink create 1 1 1 1
unset int real bool string
list [catch {set int} msg] $msg [catch {set real} msg] $msg \
[catch {set bool} msg] $msg [catch {set string} msg] $msg
} {0 -6 0 -2.5 0 0 0 stringValue}
test link-4.2 {unsetting linked variables} {
testlink delete
testlink set -6 -2.1 0 stringValue
testlink create 1 1 1 1
unset int real bool string
set int 102
set real 16
set bool true
set string newValue
testlink get
} {102 16.0 1 newValue}
test link-5.1 {unlinking variables} {
testlink delete
testlink set -6 -2.25 0 stringValue
testlink delete
set int xx1
set real qrst
set bool bogus
set string 12345
testlink get
} {-6 -2.25 0 stringValue}
test link-5.2 {unlinking variables} {
testlink delete
testlink set -6 -2.25 0 stringValue
testlink create 1 1 1 1
testlink delete
testlink set 25 14.7 7 -
list $int $real $bool $string
} {-6 -2.25 0 stringValue}
test link-6.1 {errors in setting up link} {
testlink delete
catch {unset int}
set int(44) 1
list [catch {testlink create 1 1 1 1} msg] $msg
} {1 {can't set "int": variable is array}}
catch {unset int}
test link-7.1 {access to linked variables via upvar} {
proc x {} {
upvar int y
unset y
}
testlink delete
testlink create 1 0 0 0
testlink set 14 {} {} {}
x
list [catch {set int} msg] $msg
} {0 14}
test link-7.2 {access to linked variables via upvar} {
proc x {} {
upvar int y
return [set y]
}
testlink delete
testlink create 1 0 0 0
testlink set 0 {} {} {}
set int
testlink set 23 {} {} {}
x
list [x] $int
} {23 23}
test link-7.3 {access to linked variables via upvar} {
proc x {} {
upvar int y
set y 44
}
testlink delete
testlink create 0 0 0 0
testlink set 11 {} {} {}
list [catch x msg] $msg $int
} {1 {can't set "y": linked variable is read-only} 11}
test link-7.4 {access to linked variables via upvar} {
proc x {} {
upvar int y
set y abc
}
testlink delete
testlink create 1 1 1 1
testlink set -4 {} {} {}
list [catch x msg] $msg $int
} {1 {can't set "y": variable must have integer value} -4}
test link-7.5 {access to linked variables via upvar} {
proc x {} {
upvar real y
set y abc
}
testlink delete
testlink create 1 1 1 1
testlink set -4 16.75 {} {}
list [catch x msg] $msg $real
} {1 {can't set "y": variable must have real value} 16.75}
test link-7.6 {access to linked variables via upvar} {
proc x {} {
upvar bool y
set y abc
}
testlink delete
testlink create 1 1 1 1
testlink set -4 16.3 1 {}
list [catch x msg] $msg $bool
} {1 {can't set "y": variable must have boolean value} 1}
test link-8.1 {Tcl_UpdateLinkedVar procedure} {
proc x args {
global x int real bool string
lappend x $args $int $real $bool $string
}
set x {}
testlink create 1 1 1 1
testlink set 14 -2.0 0 xyzzy
trace var int w x
testlink update 32 4.0 3 abcd
trace vdelete int w x
set x
} {{int {} w} 32 -2.0 0 xyzzy}
test link-8.2 {Tcl_UpdateLinkedVar procedure} {
proc x args {
global x int real bool string
lappend x $args $int $real $bool $string
}
set x {}
testlink create 1 1 1 1
testlink set 14 -2.0 0 xyzzy
testlink delete
trace var int w x
testlink update 32 4.0 6 abcd
trace vdelete int w x
set x
} {}
test link-8.3 {Tcl_UpdateLinkedVar procedure, read-only variable} {
testlink create 0 0 0 0
list [catch {testlink update 47 {} {} {}} msg] $msg $int
} {0 {} 47}
testlink delete
foreach i {int real bool string} {
catch {unset $i}
}
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