462 lines
13 KiB
Plaintext
462 lines
13 KiB
Plaintext
# Commands covered: proc, return, global
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#
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# This file contains a collection of tests for one or more of the Tcl
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# built-in commands. Sourcing this file into Tcl runs the tests and
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# generates output 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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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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# SCCS: @(#) proc.test 1.21 96/02/16 08:56:21
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if {[string compare test [info procs test]] == 1} then {source defs}
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proc tproc {} {return a; return b}
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test proc-1.1 {simple procedure call and return} {tproc} a
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proc tproc x {
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set x [expr $x+1]
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return $x
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}
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test proc-1.2 {simple procedure call and return} {tproc 2} 3
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test proc-1.3 {simple procedure call and return} {
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proc tproc {} {return foo}
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} {}
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test proc-1.4 {simple procedure call and return} {
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proc tproc {} {return}
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tproc
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} {}
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test proc-2.1 {local and global variables} {
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proc tproc x {
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set x [expr $x+1]
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return $x
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}
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set x 42
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list [tproc 6] $x
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} {7 42}
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test proc-2.2 {local and global variables} {
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proc tproc x {
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set y [expr $x+1]
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return $y
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}
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set y 18
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list [tproc 6] $y
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} {7 18}
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test proc-2.3 {local and global variables} {
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proc tproc x {
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global y
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set y [expr $x+1]
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return $y
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}
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set y 189
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list [tproc 6] $y
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} {7 7}
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test proc-2.4 {local and global variables} {
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proc tproc x {
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global y
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return [expr $x+$y]
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}
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set y 189
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list [tproc 6] $y
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} {195 189}
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catch {unset _undefined_}
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test proc-2.5 {local and global variables} {
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proc tproc x {
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global _undefined_
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return $_undefined_
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}
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list [catch {tproc xxx} msg] $msg
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} {1 {can't read "_undefined_": no such variable}}
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test proc-2.6 {local and global variables} {
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set a 114
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set b 115
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global a b
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list $a $b
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} {114 115}
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proc do {cmd} {eval $cmd}
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test proc-3.1 {local and global arrays} {
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catch {unset a}
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set a(0) 22
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list [catch {do {global a; set a(0)}} msg] $msg
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} {0 22}
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test proc-3.2 {local and global arrays} {
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catch {unset a}
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set a(x) 22
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list [catch {do {global a; set a(x) newValue}} msg] $msg $a(x)
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} {0 newValue newValue}
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test proc-3.3 {local and global arrays} {
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catch {unset a}
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set a(x) 22
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set a(y) 33
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list [catch {do {global a; unset a(y)}; array names a} msg] $msg
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} {0 x}
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test proc-3.4 {local and global arrays} {
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catch {unset a}
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set a(x) 22
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set a(y) 33
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list [catch {do {global a; unset a; info exists a}} msg] $msg \
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[info exists a]
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} {0 0 0}
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test proc-3.5 {local and global arrays} {
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catch {unset a}
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set a(x) 22
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set a(y) 33
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list [catch {do {global a; unset a(y); array names a}} msg] $msg
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} {0 x}
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catch {unset a}
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test proc-3.6 {local and global arrays} {
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catch {unset a}
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set a(x) 22
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set a(y) 33
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do {global a; do {global a; unset a}; set a(z) 22}
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list [catch {array names a} msg] $msg
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} {0 z}
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test proc-3.7 {local and global arrays} {
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proc t1 {args} {global info; set info 1}
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catch {unset a}
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set info {}
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do {global a; trace var a(1) w t1}
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set a(1) 44
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set info
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} 1
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test proc-3.8 {local and global arrays} {
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proc t1 {args} {global info; set info 1}
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catch {unset a}
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trace var a(1) w t1
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set info {}
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do {global a; trace vdelete a(1) w t1}
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set a(1) 44
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set info
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} {}
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test proc-3.9 {local and global arrays} {
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proc t1 {args} {global info; set info 1}
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catch {unset a}
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trace var a(1) w t1
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do {global a; trace vinfo a(1)}
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} {{w t1}}
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catch {unset a}
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test proc-3.1 {arguments and defaults} {
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proc tproc {x y z} {
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return [list $x $y $z]
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}
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tproc 11 12 13
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} {11 12 13}
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test proc-3.2 {arguments and defaults} {
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proc tproc {x y z} {
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return [list $x $y $z]
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}
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list [catch {tproc 11 12} msg] $msg
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} {1 {no value given for parameter "z" to "tproc"}}
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test proc-3.3 {arguments and defaults} {
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proc tproc {x y z} {
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return [list $x $y $z]
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}
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list [catch {tproc 11 12 13 14} msg] $msg
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} {1 {called "tproc" with too many arguments}}
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test proc-3.4 {arguments and defaults} {
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proc tproc {x {y y-default} {z z-default}} {
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return [list $x $y $z]
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}
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tproc 11 12 13
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} {11 12 13}
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test proc-3.5 {arguments and defaults} {
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proc tproc {x {y y-default} {z z-default}} {
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return [list $x $y $z]
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}
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tproc 11 12
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} {11 12 z-default}
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test proc-3.6 {arguments and defaults} {
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proc tproc {x {y y-default} {z z-default}} {
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return [list $x $y $z]
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}
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tproc 11
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} {11 y-default z-default}
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test proc-3.7 {arguments and defaults} {
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proc tproc {x {y y-default} {z z-default}} {
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return [list $x $y $z]
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}
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list [catch {tproc} msg] $msg
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} {1 {no value given for parameter "x" to "tproc"}}
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test proc-3.8 {arguments and defaults} {
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list [catch {
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proc tproc {x {y y-default} z} {
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return [list $x $y $z]
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}
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tproc 2 3
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} msg] $msg
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} {1 {no value given for parameter "z" to "tproc"}}
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test proc-3.9 {arguments and defaults} {
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proc tproc {x {y y-default} args} {
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return [list $x $y $args]
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}
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tproc 2 3 4 5
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} {2 3 {4 5}}
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test proc-3.10 {arguments and defaults} {
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proc tproc {x {y y-default} args} {
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return [list $x $y $args]
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}
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tproc 2 3
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} {2 3 {}}
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test proc-3.11 {arguments and defaults} {
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proc tproc {x {y y-default} args} {
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return [list $x $y $args]
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}
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tproc 2
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} {2 y-default {}}
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test proc-3.12 {arguments and defaults} {
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proc tproc {x {y y-default} args} {
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return [list $x $y $args]
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}
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list [catch {tproc} msg] $msg
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} {1 {no value given for parameter "x" to "tproc"}}
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test proc-4.1 {variable numbers of arguments} {
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proc tproc args {return $args}
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tproc
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} {}
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test proc-4.2 {variable numbers of arguments} {
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proc tproc args {return $args}
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tproc 1 2 3 4 5 6 7 8
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} {1 2 3 4 5 6 7 8}
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test proc-4.3 {variable numbers of arguments} {
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proc tproc args {return $args}
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tproc 1 {2 3} {4 {5 6} {{{7}}}} 8
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} {1 {2 3} {4 {5 6} {{{7}}}} 8}
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test proc-4.4 {variable numbers of arguments} {
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proc tproc {x y args} {return $args}
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tproc 1 2 3 4 5 6 7
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} {3 4 5 6 7}
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test proc-4.5 {variable numbers of arguments} {
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proc tproc {x y args} {return $args}
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tproc 1 2
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} {}
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test proc-4.6 {variable numbers of arguments} {
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proc tproc {x missing args} {return $args}
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list [catch {tproc 1} msg] $msg
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} {1 {no value given for parameter "missing" to "tproc"}}
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test proc-5.1 {error conditions} {
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list [catch {proc} msg] $msg
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} {1 {wrong # args: should be "proc name args body"}}
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test proc-5.2 {error conditions} {
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list [catch {proc tproc b} msg] $msg
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} {1 {wrong # args: should be "proc name args body"}}
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test proc-5.3 {error conditions} {
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list [catch {proc tproc b c d e} msg] $msg
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} {1 {wrong # args: should be "proc name args body"}}
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test proc-5.4 {error conditions} {
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list [catch {proc tproc \{xyz {return foo}} msg] $msg
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} {1 {unmatched open brace in list}}
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test proc-5.5 {error conditions} {
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list [catch {proc tproc {{} y} {return foo}} msg] $msg
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} {1 {procedure "tproc" has argument with no name}}
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test proc-5.6 {error conditions} {
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list [catch {proc tproc {{} y} {return foo}} msg] $msg
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} {1 {procedure "tproc" has argument with no name}}
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test proc-5.7 {error conditions} {
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list [catch {proc tproc {{x 1 2} y} {return foo}} msg] $msg
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} {1 {too many fields in argument specifier "x 1 2"}}
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test proc-5.8 {error conditions} {
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catch {return}
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} 2
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test proc-5.9 {error conditions} {
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list [catch {global} msg] $msg
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} {1 {wrong # args: should be "global varName ?varName ...?"}}
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proc tproc {} {
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set a 22
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global a
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}
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test proc-5.10 {error conditions} {
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list [catch {tproc} msg] $msg
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} {1 {variable "a" already exists}}
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test proc-5.11 {error conditions} {
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catch {rename tproc {}}
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catch {
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proc tproc {x {} z} {return foo}
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}
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list [catch {tproc 1} msg] $msg
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} {1 {invalid command name "tproc"}}
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test proc-5.12 {error conditions} {
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proc tproc {} {
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set a 22
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error "error in procedure"
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return
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}
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list [catch tproc msg] $msg
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} {1 {error in procedure}}
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test proc-5.13 {error conditions} {
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proc tproc {} {
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set a 22
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error "error in procedure"
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return
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}
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catch tproc msg
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set errorInfo
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} {error in procedure
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while executing
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"error "error in procedure""
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(procedure "tproc" line 3)
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invoked from within
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"tproc"}
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test proc-5.14 {error conditions} {
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proc tproc {} {
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set a 22
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break
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return
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}
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catch tproc msg
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set errorInfo
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} {invoked "break" outside of a loop
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while executing
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"tproc"}
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test proc-5.15 {error conditions} {
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proc tproc {} {
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set a 22
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continue
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return
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}
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catch tproc msg
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set errorInfo
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} {invoked "continue" outside of a loop
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while executing
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"tproc"}
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test proc-5.16 {error conditions} {
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proc foo args {
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global fooMsg
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set fooMsg "foo was called: $args"
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}
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proc tproc {} {
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set x 44
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trace var x u foo
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while {$x < 100} {
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error "Nested error"
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}
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}
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set fooMsg "foo not called"
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list [catch tproc msg] $msg $errorInfo $fooMsg
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} {1 {Nested error} {Nested error
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while executing
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"error "Nested error""
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("while" body line 2)
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invoked from within
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"while {$x < 100} {
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error "Nested error"
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}"
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(procedure "tproc" line 4)
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invoked from within
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"tproc"} {foo was called: x {} u}}
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# The tests below will really only be useful when run under Purify or
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# some other system that can detect accesses to freed memory...
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test proc-6.1 {procedure that redefines itself} {
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proc tproc {} {
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proc tproc {} {
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return 44
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}
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return 45
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}
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tproc
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} 45
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test proc-6.2 {procedure that deletes itself} {
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proc tproc {} {
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rename tproc {}
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return 45
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}
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tproc
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} 45
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proc tproc code {
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return -code $code abc
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}
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test proc-7.1 {return with special completion code} {
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list [catch {tproc ok} msg] $msg
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} {0 abc}
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test proc-7.2 {return with special completion code} {
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list [catch {tproc error} msg] $msg $errorInfo $errorCode
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} {1 abc {abc
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while executing
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"tproc error"} NONE}
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test proc-7.3 {return with special completion code} {
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list [catch {tproc return} msg] $msg
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} {2 abc}
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test proc-7.4 {return with special completion code} {
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list [catch {tproc break} msg] $msg
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} {3 abc}
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test proc-7.5 {return with special completion code} {
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list [catch {tproc continue} msg] $msg
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} {4 abc}
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test proc-7.6 {return with special completion code} {
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list [catch {tproc -14} msg] $msg
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} {-14 abc}
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test proc-7.7 {return with special completion code} {
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list [catch {tproc gorp} msg] $msg
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} {1 {bad completion code "gorp": must be ok, error, return, break, continue, or an integer}}
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test proc-7.8 {return with special completion code} {
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list [catch {tproc 10b} msg] $msg
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} {1 {bad completion code "10b": must be ok, error, return, break, continue, or an integer}}
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test proc-7.9 {return with special completion code} {
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proc tproc2 {} {
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tproc return
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}
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list [catch tproc2 msg] $msg
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} {0 abc}
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test proc-7.10 {return with special completion code} {
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proc tproc2 {} {
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return -code error
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}
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list [catch tproc2 msg] $msg
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} {1 {}}
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test proc-7.11 {return with special completion code} {
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proc tproc2 {} {
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global errorCode errorInfo
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catch {open _bad_file_name r} msg
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return -code error -errorinfo $errorInfo -errorcode $errorCode $msg
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}
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normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
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} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
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while executing
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"open _bad_file_name r"
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invoked from within
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"tproc2"} {posix enoent {no such file or directory}}}
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test proc-7.12 {return with special completion code} {
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proc tproc2 {} {
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global errorCode errorInfo
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catch {open _bad_file_name r} msg
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return -code error -errorcode $errorCode $msg
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}
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normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
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} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
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while executing
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"tproc2"} {posix enoent {no such file or directory}}}
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test proc-7.13 {return with special completion code} {
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proc tproc2 {} {
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global errorCode errorInfo
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catch {open _bad_file_name r} msg
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return -code error -errorinfo $errorInfo $msg
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}
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normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
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} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
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while executing
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"open _bad_file_name r"
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invoked from within
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"tproc2"} none}
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test proc-7.14 {return with special completion code} {
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proc tproc2 {} {
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global errorCode errorInfo
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catch {open _bad_file_name r} msg
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return -code error $msg
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}
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normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
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} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
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while executing
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"tproc2"} none}
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test proc-7.14 {return with special completion code} {
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list [catch {return -badOption foo message} msg] $msg
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} {1 {bad option "-badOption: must be -code, -errorcode, or -errorinfo}}
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