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- # 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.
- # All rights reserved.
- #
- # Permission is hereby granted, without written agreement and without
- # license or royalty fees, to use, copy, modify, and distribute this
- # software and its documentation for any purpose, provided that the
- # above copyright notice and the following two paragraphs appear in
- # all copies of this software.
- #
- # IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
- # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
- # OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
- # CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #
- # THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- # AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- # ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
- # PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- #
- # $Header: /user6/ouster/tcl/tests/RCS/uplevel.test,v 1.11 93/07/17 14:38:22 ouster Exp $ (Berkeley)
-
- if {[string compare test [info procs test]] == 1} then {source defs}
-
- 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} {
- list [catch c1 msg] $msg
- } {1 {bad level "#2"}}
- test uplevel-4.2 {error: non-existent level} {
- proc c2 {} {uplevel 3 {set a b}}
- list [catch c2 msg] $msg
- } {1 {bad level "3"}}
- test uplevel-4.3 {error: not enough args} {
- list [catch uplevel msg] $msg
- } {1 {wrong # args: should be "uplevel ?level? command ?arg ...?"}}
- test uplevel-4.4 {error: not enough args} {
- proc upBug {} {uplevel 1}
- list [catch upBug msg] $msg
- } {1 {wrong # args: should be "uplevel ?level? command ?arg ...?"}}
-
- 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
-