604 lines
15 KiB
Plaintext
604 lines
15 KiB
Plaintext
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# Commands covered: 'upvar', 'namespace upvar'
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#
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# This file contains a collection of tests for one or more of the Tcl built-in
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# commands. Sourcing this file into Tcl runs the tests and generates output
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# for errors. No output means no errors were found.
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#
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# Copyright (c) 1991-1993 The Regents of the University of California.
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# Copyright (c) 1994 Sun Microsystems, Inc.
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# Copyright (c) 1998-1999 by Scriptics Corporation.
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#
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# See the file "license.terms" for information on usage and redistribution of
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# this file, and for a DISCLAIMER OF ALL WARRANTIES.
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if {"::tcltest" ni [namespace children]} {
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package require tcltest 2.5
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namespace import -force ::tcltest::*
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}
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::tcltest::loadTestedCommands
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catch [list package require -exact Tcltest [info patchlevel]]
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testConstraint testupvar [llength [info commands testupvar]]
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test upvar-1.1 {reading variables with upvar} {
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proc p1 {a b} {set c 22; set d 33; p2}
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proc p2 {} {upvar a x1 b x2 c x3 d x4; set a abc; list $x1 $x2 $x3 $x4 $a}
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p1 foo bar
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} {foo bar 22 33 abc}
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test upvar-1.2 {reading variables with upvar} {
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proc p1 {a b} {set c 22; set d 33; p2}
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proc p2 {} {p3}
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proc p3 {} {upvar 2 a x1 b x2 c x3 d x4; set a abc; list $x1 $x2 $x3 $x4 $a}
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p1 foo bar
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} {foo bar 22 33 abc}
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test upvar-1.3 {reading variables with upvar} {
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proc p1 {a b} {set c 22; set d 33; p2}
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proc p2 {} {p3}
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proc p3 {} {
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upvar #1 a x1 b x2 c x3 d x4
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set a abc
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list $x1 $x2 $x3 $x4 $a
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}
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p1 foo bar
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} {foo bar 22 33 abc}
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test upvar-1.4 {reading variables with upvar} {
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set x1 44
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set x2 55
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proc p1 {} {p2}
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proc p2 {} {
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upvar 2 x1 x1 x2 a
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upvar #0 x1 b
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set c $b
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incr b 3
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list $x1 $a $b
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}
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p1
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} {47 55 47}
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test upvar-1.5 {reading array elements with upvar} {
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proc p1 {} {set a(0) zeroth; set a(1) first; p2}
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proc p2 {} {upvar a(0) x; set x}
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p1
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} {zeroth}
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test upvar-2.1 {writing variables with upvar} {
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proc p1 {a b} {set c 22; set d 33; p2; list $a $b $c $d}
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proc p2 {} {
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upvar a x1 b x2 c x3 d x4
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set x1 14
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set x4 88
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}
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p1 foo bar
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} {14 bar 22 88}
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test upvar-2.2 {writing variables with upvar} {
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set x1 44
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set x2 55
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proc p1 {x1 x2} {
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upvar #0 x1 a
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upvar x2 b
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set a $x1
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set b $x2
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}
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p1 newbits morebits
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list $x1 $x2
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} {newbits morebits}
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test upvar-2.3 {writing variables with upvar} {
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catch {unset x1}
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catch {unset x2}
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proc p1 {x1 x2} {
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upvar #0 x1 a
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upvar x2 b
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set a $x1
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set b $x2
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}
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p1 newbits morebits
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list [catch {set x1} msg] $msg [catch {set x2} msg] $msg
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} {0 newbits 0 morebits}
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test upvar-2.4 {writing array elements with upvar} {
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proc p1 {} {set a(0) zeroth; set a(1) first; list [p2] $a(0)}
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proc p2 {} {upvar a(0) x; set x xyzzy}
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p1
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} {xyzzy xyzzy}
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test upvar-3.1 {unsetting variables with upvar} {
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proc p1 {a b} {set c 22; set d 33; p2; lsort [info vars]}
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proc p2 {} {
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upvar 1 a x1 d x2
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unset x1 x2
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}
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p1 foo bar
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} {b c}
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test upvar-3.2 {unsetting variables with upvar} {
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proc p1 {a b} {set c 22; set d 33; p2; lsort [info vars]}
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proc p2 {} {
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upvar 1 a x1 d x2
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unset x1 x2
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set x2 28
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}
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p1 foo bar
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} {b c d}
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test upvar-3.3 {unsetting variables with upvar} {
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set x1 44
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set x2 55
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proc p1 {} {p2}
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proc p2 {} {
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upvar 2 x1 a
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upvar #0 x2 b
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unset a b
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}
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p1
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list [info exists x1] [info exists x2]
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} {0 0}
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test upvar-3.4 {unsetting variables with upvar} {
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set x1 44
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set x2 55
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proc p1 {} {
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upvar x1 a x2 b
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unset a b
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set b 118
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}
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p1
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list [info exists x1] [catch {set x2} msg] $msg
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} {0 0 118}
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test upvar-3.5 {unsetting array elements with upvar} {
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proc p1 {} {
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set a(0) zeroth
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set a(1) first
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set a(2) second
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p2
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array names a
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}
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proc p2 {} {upvar a(0) x; unset x}
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lsort [p1]
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} {1 2}
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test upvar-3.6 {unsetting then resetting array elements with upvar} {
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proc p1 {} {
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set a(0) zeroth
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set a(1) first
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set a(2) second
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p2
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list [lsort [array names a]] [catch {set a(0)} msg] $msg
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}
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proc p2 {} {upvar a(0) x; unset x; set x 12345}
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p1
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} {{0 1 2} 0 12345}
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test upvar-4.1 {nested upvars} {
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set x1 88
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proc p1 {a b} {set c 22; set d 33; p2}
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proc p2 {} {global x1; upvar c x2; p3}
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proc p3 {} {
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upvar x1 a x2 b
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list $a $b
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}
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p1 14 15
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} {88 22}
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test upvar-4.2 {nested upvars} {
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set x1 88
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proc p1 {a b} {set c 22; set d 33; p2; list $a $b $c $d}
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proc p2 {} {global x1; upvar c x2; p3}
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proc p3 {} {
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upvar x1 a x2 b
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set a foo
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set b bar
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}
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list [p1 14 15] $x1
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} {{14 15 bar 33} foo}
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proc tproc {args} {global x; set x [list $args [uplevel info vars]]}
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test upvar-5.1 {traces involving upvars} {
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proc p1 {a b} {set c 22; set d 33; trace var c rw tproc; p2}
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proc p2 {} {upvar c x1; set x1 22}
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set x ---
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p1 foo bar
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set x
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} {{x1 {} w} x1}
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test upvar-5.2 {traces involving upvars} {
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proc p1 {a b} {set c 22; set d 33; trace var c rw tproc; p2}
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proc p2 {} {upvar c x1; set x1}
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set x ---
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p1 foo bar
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set x
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} {{x1 {} r} x1}
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test upvar-5.3 {traces involving upvars} {
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proc p1 {a b} {set c 22; set d 33; trace var c rwu tproc; p2}
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proc p2 {} {upvar c x1; unset x1}
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set x ---
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p1 foo bar
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set x
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} {{x1 {} u} x1}
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test upvar-6.1 {retargeting an upvar} {
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proc p1 {} {
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set a(0) zeroth
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set a(1) first
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set a(2) second
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p2
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}
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proc p2 {} {
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upvar a x
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set result {}
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foreach i [array names x] {
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upvar a($i) x
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lappend result $x
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}
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lsort $result
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}
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p1
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} {first second zeroth}
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test upvar-6.2 {retargeting an upvar} {
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set x 44
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set y abcde
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proc p1 {} {
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global x
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set result $x
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upvar y x
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lappend result $x
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}
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p1
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} {44 abcde}
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test upvar-6.3 {retargeting an upvar} {
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set x 44
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set y abcde
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proc p1 {} {
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upvar y x
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lappend result $x
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global x
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lappend result $x
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}
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p1
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} {abcde 44}
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test upvar-7.1 {upvar to same level} {
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set x 44
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set y 55
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catch {unset uv}
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upvar #0 x uv
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set uv abc
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upvar 0 y uv
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set uv xyzzy
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list $x $y
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} {abc xyzzy}
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test upvar-7.2 {upvar to same level} {
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set x 1234
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set y 4567
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proc p1 {x y} {
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upvar 0 x uv
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set uv $y
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return "$x $y"
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}
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p1 44 89
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} {89 89}
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test upvar-7.3 {upvar to same level} {
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set x 1234
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set y 4567
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proc p1 {x y} {
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upvar #1 x uv
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set uv $y
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return "$x $y"
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}
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p1 xyz abc
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} {abc abc}
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test upvar-7.4 {upvar to same level: tricky problems when deleting variable table} {
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proc tt {} {upvar #1 toto loc; return $loc}
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list [catch tt msg] $msg
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} {1 {can't read "loc": no such variable}}
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test upvar-7.5 {potential memory leak when deleting variable table} {
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proc leak {} {
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array set foo {1 2 3 4}
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upvar 0 foo(1) bar
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}
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leak
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} {}
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test upvar-8.1 {errors in upvar command} -returnCodes error -body {
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upvar
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} -result {wrong # args: should be "upvar ?level? otherVar localVar ?otherVar localVar ...?"}
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test upvar-8.2 {errors in upvar command} -returnCodes error -body {
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upvar 1
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} -result {wrong # args: should be "upvar ?level? otherVar localVar ?otherVar localVar ...?"}
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test upvar-8.2.1 {upvar with numeric first argument} {
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apply {{} {set 0 ok; apply {{} {upvar 0 x; return $x}}}}
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} ok
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test upvar-8.3 {errors in upvar command} -returnCodes error -body {
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proc p1 {} {upvar a b c}
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p1
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} -result {bad level "a"}
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test upvar-8.3.1 {bad level for upvar (upvar at top-level, bug [775ee88560])} -body {
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proc p1 {} { uplevel { upvar b b; lappend b UNEXPECTED } }
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uplevel #0 { p1 }
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} -returnCodes error -result {bad level "1"}
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test upvar-8.3.2 {bad level for upvar (upvar at top-level, bug [775ee88560])} -setup {
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interp create i
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} -body {
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i eval { upvar b b; lappend b UNEXPECTED }
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} -returnCodes error -result {bad level "1"} -cleanup {
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interp delete i
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}
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test upvar-8.4 {errors in upvar command} -returnCodes error -body {
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proc p1 {} {upvar 0 b b}
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p1
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} -result {can't upvar from variable to itself}
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test upvar-8.5 {errors in upvar command} -returnCodes error -body {
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proc p1 {} {upvar 0 a b; upvar 0 b a}
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p1
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} -result {can't upvar from variable to itself}
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test upvar-8.6 {errors in upvar command} -returnCodes error -body {
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proc p1 {} {set a 33; upvar b a}
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p1
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} -result {variable "a" already exists}
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test upvar-8.7 {errors in upvar command} -returnCodes error -body {
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proc p1 {} {trace variable a w foo; upvar b a}
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p1
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} -result {variable "a" has traces: can't use for upvar}
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test upvar-8.8 {create nested array with upvar} -body {
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proc p1 {} {upvar x(a) b; set b(2) 44}
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catch {unset x}
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p1
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} -returnCodes error -cleanup {
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unset x
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} -result {can't set "b(2)": variable isn't array}
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test upvar-8.9 {upvar won't create namespace variable that refers to procedure variable} -setup {
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catch {namespace delete {*}[namespace children :: test_ns_*]}
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catch {rename MakeLink ""}
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|
|
namespace eval ::test_ns_1 {}
|
|||
|
|
} -returnCodes error -body {
|
|||
|
|
proc MakeLink {a} {
|
|||
|
|
namespace eval ::test_ns_1 {
|
|||
|
|
upvar a a
|
|||
|
|
}
|
|||
|
|
unset ::test_ns_1::a
|
|||
|
|
}
|
|||
|
|
MakeLink 1
|
|||
|
|
} -result {bad variable name "a": can't create namespace variable that refers to procedure variable}
|
|||
|
|
test upvar-8.10 {upvar will create element alias for new array element} -setup {
|
|||
|
|
catch {unset upvarArray}
|
|||
|
|
} -body {
|
|||
|
|
array set upvarArray {}
|
|||
|
|
catch {upvar 0 upvarArray(elem) upvarArrayElemAlias}
|
|||
|
|
} -result {0}
|
|||
|
|
test upvar-8.11 {upvar will not create a variable that looks like an array} -setup {
|
|||
|
|
catch {unset upvarArray}
|
|||
|
|
} -body {
|
|||
|
|
array set upvarArray {}
|
|||
|
|
upvar 0 upvarArray(elem) upvarArrayElemAlias(elem)
|
|||
|
|
} -returnCodes 1 -match glob -result *
|
|||
|
|
|
|||
|
|
test upvar-9.1 {Tcl_UpVar2 procedure} testupvar {
|
|||
|
|
list [catch {testupvar xyz a {} x global} msg] $msg
|
|||
|
|
} {1 {bad level "1"}}
|
|||
|
|
test upvar-9.1.1 {TclGetFrame, via Tcl_UpVar2} testupvar {
|
|||
|
|
apply {{} {testupvar xyz a {} x local; set x foo}}
|
|||
|
|
set a
|
|||
|
|
} foo
|
|||
|
|
test upvar-9.2 {Tcl_UpVar2 procedure} testupvar {
|
|||
|
|
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} testupvar {
|
|||
|
|
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} testupvar {
|
|||
|
|
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} testupvar {
|
|||
|
|
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} testupvar {
|
|||
|
|
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} testupvar {
|
|||
|
|
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}
|
|||
|
|
|
|||
|
|
test upvar-10.1 {CompileWord OBOE} -setup {
|
|||
|
|
proc linenumber {} {dict get [info frame -1] line}
|
|||
|
|
} -body {
|
|||
|
|
apply {n {
|
|||
|
|
upvar 1 {*}{
|
|||
|
|
} [return [incr n -[linenumber]]] x
|
|||
|
|
}} [linenumber]
|
|||
|
|
} -cleanup {
|
|||
|
|
rename linenumber {}
|
|||
|
|
} -result 1
|
|||
|
|
|
|||
|
|
#
|
|||
|
|
# Tests for 'namespace upvar'. As the implementation is essentially the same as
|
|||
|
|
# for 'upvar', we only test that the variables are linked correctly, i.e., we
|
|||
|
|
# assume that the behaviour of variables once the link is established has
|
|||
|
|
# already been tested above.
|
|||
|
|
#
|
|||
|
|
|
|||
|
|
# Clear out any namespaces called test_ns_*
|
|||
|
|
catch {namespace delete {*}[namespace children :: test_ns_*]}
|
|||
|
|
namespace eval test_ns_0 {
|
|||
|
|
variable x test_ns_0
|
|||
|
|
}
|
|||
|
|
set ::x test_global
|
|||
|
|
|
|||
|
|
test upvar-NS-1.1 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
namespace upvar ::test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
} -result {test_ns_0} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
}
|
|||
|
|
test upvar-NS-1.2 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
proc a {} {
|
|||
|
|
namespace upvar ::test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
return [a]
|
|||
|
|
}
|
|||
|
|
} -result {test_ns_0} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
}
|
|||
|
|
test upvar-NS-1.3 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
} -returnCodes error -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {namespace "test_ns_0" not found in "::test_ns_1"}
|
|||
|
|
test upvar-NS-1.4 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
proc a {} {
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
return [a]
|
|||
|
|
}
|
|||
|
|
} -returnCodes error -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {namespace "test_ns_0" not found in "::test_ns_1"}
|
|||
|
|
|
|||
|
|
test upvar-NS-1.5 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
namespace eval test_ns_0 {}
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {can't read "w": no such variable} -returnCodes error
|
|||
|
|
test upvar-NS-1.6 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
namespace eval test_ns_0 {}
|
|||
|
|
proc a {} {
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
return [a]
|
|||
|
|
}
|
|||
|
|
} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {can't read "w": no such variable} -returnCodes error
|
|||
|
|
test upvar-NS-1.7 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
namespace eval test_ns_0 {
|
|||
|
|
variable x test_ns_1::test_ns_0
|
|||
|
|
}
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {test_ns_1::test_ns_0}
|
|||
|
|
test upvar-NS-1.8 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
namespace eval test_ns_0 {
|
|||
|
|
variable x test_ns_1::test_ns_0
|
|||
|
|
}
|
|||
|
|
proc a {} {
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
return [a]
|
|||
|
|
}
|
|||
|
|
} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {test_ns_1::test_ns_0}
|
|||
|
|
test upvar-NS-1.9 {nsupvar links to correct variable} -body {
|
|||
|
|
namespace eval test_ns_1 {
|
|||
|
|
variable x test_ns_1
|
|||
|
|
proc a {} {
|
|||
|
|
namespace upvar test_ns_0 x w
|
|||
|
|
set w
|
|||
|
|
}
|
|||
|
|
return [a]
|
|||
|
|
}
|
|||
|
|
} -returnCodes error -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {namespace "test_ns_0" not found in "::test_ns_1"}
|
|||
|
|
|
|||
|
|
test upvar-NS-2.1 {TIP 323} -returnCodes error -body {
|
|||
|
|
namespace upvar
|
|||
|
|
} -result {wrong # args: should be "namespace upvar ns ?otherVar myVar ...?"}
|
|||
|
|
test upvar-NS-2.2 {TIP 323} -setup {
|
|||
|
|
namespace eval test_ns_1 {}
|
|||
|
|
} -body {
|
|||
|
|
namespace upvar test_ns_1
|
|||
|
|
} -cleanup {
|
|||
|
|
namespace delete test_ns_1
|
|||
|
|
} -result {}
|
|||
|
|
|
|||
|
|
test upvar-NS-3.1 {CompileWord OBOE} -setup {
|
|||
|
|
proc linenumber {} {dict get [info frame -1] line}
|
|||
|
|
} -body {
|
|||
|
|
apply {n {
|
|||
|
|
namespace upvar {*}{
|
|||
|
|
} [return [incr n -[linenumber]]] x y
|
|||
|
|
}} [linenumber]
|
|||
|
|
} -cleanup {
|
|||
|
|
rename linenumber {}
|
|||
|
|
} -result 1
|
|||
|
|
test upvar-NS-3.2 {CompileWord OBOE} -setup {
|
|||
|
|
proc linenumber {} {dict get [info frame -1] line}
|
|||
|
|
} -body {
|
|||
|
|
apply {n {
|
|||
|
|
namespace upvar :: {*}{
|
|||
|
|
} [return [incr n -[linenumber]]] x
|
|||
|
|
}} [linenumber]
|
|||
|
|
} -cleanup {
|
|||
|
|
rename linenumber {}
|
|||
|
|
} -result 1
|
|||
|
|
test upvar-NS-3.3 {CompileWord OBOE} -setup {
|
|||
|
|
proc linenumber {} {dict get [info frame -1] line}
|
|||
|
|
} -body {
|
|||
|
|
apply {n {
|
|||
|
|
variable x {*}{
|
|||
|
|
} [return [incr n -[linenumber]]]
|
|||
|
|
}} [linenumber]
|
|||
|
|
} -cleanup {
|
|||
|
|
rename linenumber {}
|
|||
|
|
} -result 1
|
|||
|
|
|
|||
|
|
# cleanup
|
|||
|
|
::tcltest::cleanupTests
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# Local Variables:
|
|||
|
|
# mode: tcl
|
|||
|
|
# End:
|