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# Commands covered: switch
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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) 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
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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# RCS: @(#) $Id: switch.test,v 1.7 2001/11/27 13:30:54 dkf Exp $
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if {[lsearch [namespace children] ::tcltest] == -1} {
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package require tcltest
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namespace import -force ::tcltest::*
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}
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test switch-1.1 {simple patterns} {
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switch a a {format 1} b {format 2} c {format 3} default {format 4}
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} 1
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test switch-1.2 {simple patterns} {
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switch b a {format 1} b {format 2} c {format 3} default {format 4}
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} 2
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test switch-1.3 {simple patterns} {
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switch x a {format 1} b {format 2} c {format 3} default {format 4}
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} 4
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test switch-1.4 {simple patterns} {
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switch x a {format 1} b {format 2} c {format 3}
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} {}
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test switch-1.5 {simple pattern matches many times} {
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switch b a {format 1} b {format 2} b {format 3} b {format 4}
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} 2
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test switch-1.6 {simple patterns} {
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switch default a {format 1} default {format 2} c {format 3} default {format 4}
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} 2
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test switch-1.7 {simple patterns} {
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switch x a {format 1} default {format 2} c {format 3} default {format 4}
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} 4
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test switch-2.1 {single-argument form for pattern/command pairs} {
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switch b {
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a {format 1}
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b {format 2}
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default {format 6}
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}
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} {2}
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test switch-2.2 {single-argument form for pattern/command pairs} {
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list [catch {switch z {a 2 b}} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-3.1 {-exact vs. -glob vs. -regexp} {
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switch -exact aaaab {
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^a*b$ {concat regexp}
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*b {concat glob}
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aaaab {concat exact}
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default {concat none}
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}
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} exact
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test switch-3.2 {-exact vs. -glob vs. -regexp} {
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switch -regexp aaaab {
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^a*b$ {concat regexp}
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*b {concat glob}
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aaaab {concat exact}
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default {concat none}
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}
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} regexp
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test switch-3.3 {-exact vs. -glob vs. -regexp} {
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switch -glob aaaab {
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^a*b$ {concat regexp}
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*b {concat glob}
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aaaab {concat exact}
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default {concat none}
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}
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} glob
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test switch-3.4 {-exact vs. -glob vs. -regexp} {
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switch aaaab {^a*b$} {concat regexp} *b {concat glob} \
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aaaab {concat exact} default {concat none}
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} exact
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test switch-3.5 {-exact vs. -glob vs. -regexp} {
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switch -- -glob {
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^g.*b$ {concat regexp}
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-* {concat glob}
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-glob {concat exact}
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default {concat none}
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}
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} exact
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test switch-3.6 {-exact vs. -glob vs. -regexp} {
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list [catch {switch -foo a b c} msg] $msg
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} {1 {bad option "-foo": must be -exact, -glob, -regexp, or --}}
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test switch-4.1 {error in executed command} {
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list [catch {switch a a {error "Just a test"} default {format 1}} msg] \
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$msg $errorInfo
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} {1 {Just a test} {Just a test
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while executing
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"error "Just a test""
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("a" arm line 1)
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invoked from within
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"switch a a {error "Just a test"} default {format 1}"}}
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test switch-4.2 {error: not enough args} {
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list [catch {switch} msg] $msg
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} {1 {wrong # args: should be "switch ?switches? string pattern body ... ?default body?"}}
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test switch-4.3 {error: pattern with no body} {
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list [catch {switch a b} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-4.4 {error: pattern with no body} {
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list [catch {switch a b {format 1} c} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-4.5 {error in default command} {
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list [catch {switch foo a {error switch1} b {error switch 3} \
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default {error switch2}} msg] $msg $errorInfo
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} {1 switch2 {switch2
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while executing
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"error switch2"
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("default" arm line 1)
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invoked from within
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"switch foo a {error switch1} b {error switch 3} default {error switch2}"}}
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test switch-5.1 {errors in -regexp matching} {
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list [catch {switch -regexp aaaab {
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*b {concat glob}
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aaaab {concat exact}
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default {concat none}
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}} msg] $msg
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} {1 {couldn't compile regular expression pattern: quantifier operand invalid}}
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test switch-6.1 {backslashes in patterns} {
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switch -exact {\a\$\.\[} {
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\a\$\.\[ {concat first}
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\a\\$\.\\[ {concat second}
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\\a\\$\\.\\[ {concat third}
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{\a\\$\.\\[} {concat fourth}
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{\\a\\$\\.\\[} {concat fifth}
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default {concat none}
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}
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} third
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test switch-6.2 {backslashes in patterns} {
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switch -exact {\a\$\.\[} {
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\a\$\.\[ {concat first}
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{\a\$\.\[} {concat second}
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{{\a\$\.\[}} {concat third}
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default {concat none}
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}
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} second
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test switch-7.1 {"-" bodies} {
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switch a {
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a -
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b -
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c {concat 1}
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default {concat 2}
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}
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} 1
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test switch-7.2 {"-" bodies} {
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list [catch {
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switch a {
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a -
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b -
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c -
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}
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} msg] $msg
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} {1 {no body specified for pattern "c"}}
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test switch-7.3 {"-" bodies} {
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list [catch {
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switch a {
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a -
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b -foo
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c -
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}
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} msg] $msg
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} {1 {no body specified for pattern "c"}}
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test switch-8.1 {empty body} {
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set msg {}
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switch {2} {
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1 {set msg 1}
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2 {}
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default {set msg 2}
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}
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} {}
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test switch-9.1 {empty pattern/body list} {
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list [catch {switch x} msg] $msg
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} {1 {wrong # args: should be "switch ?switches? string pattern body ... ?default body?"}}
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test switch-9.2 {empty pattern/body list} {
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list [catch {switch -- x} msg] $msg
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} {1 {wrong # args: should be "switch ?switches? string pattern body ... ?default body?"}}
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test switch-9.3 {empty pattern/body list} {
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list [catch {switch x {}} msg] $msg
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} {1 {wrong # args: should be "switch ?switches? string {pattern body ... ?default body?}"}}
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test switch-9.4 {empty pattern/body list} {
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list [catch {switch -- x {}} msg] $msg
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} {1 {wrong # args: should be "switch ?switches? string {pattern body ... ?default body?}"}}
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test switch-9.5 {unpaired pattern} {
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list [catch {switch x a {} b} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-9.6 {unpaired pattern} {
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list [catch {switch x {a {} b}} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-9.7 {unpaired pattern} {
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list [catch {switch x a {} # comment b} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-9.8 {unpaired pattern} {
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list [catch {switch x {a {} # comment b}} msg] $msg
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} {1 {extra switch pattern with no body, this may be due to a comment incorrectly placed outside of a switch body - see the "switch" documentation}}
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test switch-9.9 {unpaired pattern} {
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list [catch {switch x a {} x {} # comment b} msg] $msg
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} {1 {extra switch pattern with no body}}
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test switch-9.10 {unpaired pattern} {
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list [catch {switch x {a {} x {} # comment b}} msg] $msg
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} {1 {extra switch pattern with no body, this may be due to a comment incorrectly placed outside of a switch body - see the "switch" documentation}}
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# cleanup
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::tcltest::cleanupTests
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return
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