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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [while.test] - Blame information for rev 1765

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1 578 markom 
# Commands covered:  while
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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) 1996 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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# RCS: @(#) $Id: while.test,v 1.1.1.1 2002-01-16 10:25:36 markom Exp $
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if {[string compare test [info procs test]] == 1} then {source defs}
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# Basic "while" operation.
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catch {unset i}
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catch {unset a}
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test while-1.1 {TclCompileWhileCmd: missing test expression} {
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    catch {while } msg
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    set msg
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} {wrong # args: should be "while test command"}
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test while-1.2 {TclCompileWhileCmd: error in test expression} {
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    set i 0
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    catch {while {$i<}} msg
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    set errorInfo
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} {syntax error in expression "$i<"
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    ("while" test expression)
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    while compiling
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"while {$i<}"}
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test while-1.3 {TclCompileWhileCmd: error in test expression} {
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    set err [catch {while {"a"+"b"} {error "loop aborted"}} msg]
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    list $err $msg
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} {1 {can't use non-numeric string as operand of "+"}}
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test while-1.4 {TclCompileWhileCmd: multiline test expr} {
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    set value 1
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    while {($tcl_platform(platform) != "foobar1") && \
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            ($tcl_platform(platform) != "foobar2")} {
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        incr value
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        break
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    }
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    set value
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} {2}
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test while-1.5 {TclCompileWhileCmd: non-numeric boolean test expr} {
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    set value 1
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    while {"true"} {
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        incr value;
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        if {$value > 5} {
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            break;
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        }
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    }
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    set value
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} 6
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test while-1.6 {TclCompileWhileCmd: test expr is enclosed in quotes} {
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    set i 0
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    while "$i > 5" {}
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} {}
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test while-1.7 {TclCompileWhileCmd: missing command body} {
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    set i 0
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    catch {while {$i < 5} } msg
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    set msg
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} {wrong # args: should be "while test command"}
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test while-1.8 {TclCompileWhileCmd: error compiling command body} {
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    set i 0
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    catch {while {$i < 5} {set}} msg
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    set errorInfo
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} {wrong # args: should be "set varName ?newValue?"
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    while compiling
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"set"
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    ("while" body line 1)
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    while compiling
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"while {$i < 5} {set}"}
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test while-1.9 {TclCompileWhileCmd: simple command body} {
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    set a {}
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    set i 1
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    while {$i<6} {
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        if $i==4 break
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        set a [concat $a $i]
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        incr i
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    }
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    set a
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} {1 2 3}
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test while-1.10 {TclCompileWhileCmd: command body in quotes} {
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    set a {}
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    set i 1
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    while {$i<6} "append a x; incr i"
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    set a
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} {xxxxx}
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test while-1.11 {TclCompileWhileCmd: computed command body} {
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    catch {unset x1}
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    catch {unset bb}
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    catch {unset x2}
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    set x1 {append a x1; }
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    set bb {break}
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    set x2 {; append a x2; incr i}
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    set a {}
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    set i 1
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    while {$i<6} $x1$bb$x2
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    set a
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} {x1}
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test while-1.12 {TclCompileWhileCmd: long command body} {
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    set a {}
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    set i 1
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    while {$i<6} {
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        if $i==4 break
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        if $i>5 continue
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        set a [concat $a $i]
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        incr i
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    }
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    set a
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} {1 2 3}
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test while-1.13 {TclCompileWhileCmd: while command result} {
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    set i 0
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    set a [while {$i < 5} {incr i}]
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    set a
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} {}
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test while-1.14 {TclCompileWhileCmd: while command result} {
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    set i 0
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    set a [while {$i < 5} {if $i==3 break; incr i}]
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    set a
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} {}
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# Check "while" and "continue".
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test while-2.1 {continue tests} {
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    set a {}
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    set i 1
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    while {$i <= 4} {
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        incr i
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        if {$i == 3} continue
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        set a [concat $a $i]
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    }
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    set a
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} {2 4 5}
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test while-2.2 {continue tests} {
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    set a {}
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    set i 1
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    while {$i <= 4} {
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        incr i
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        if {$i != 2} continue
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        set a [concat $a $i]
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    }
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    set a
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} {2}
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test while-2.3 {continue tests, nested loops} {
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    set msg {}
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    set i 1
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    while {$i <= 4} {
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        incr i
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        set a 1
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        while {$a <= 2} {
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            incr a
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            if {$i>=3 && $a>=3} continue
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            set msg [concat $msg "$i.$a"]
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        }
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    }
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    set msg
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} {2.2 2.3 3.2 4.2 5.2}
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test while-2.4 {continue tests, long command body} {
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    set a {}
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    set i 1
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    while {$i<6} {
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        if $i==2 {incr i; continue}
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        if $i==4 break
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        if $i>5 continue
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        set a [concat $a $i]
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        incr i
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    }
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    set a
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} {1 3}
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# Check "while" and "break".
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test while-3.1 {break tests} {
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    set a {}
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    set i 1
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    while {$i <= 4} {
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        if {$i == 3} break
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        set a [concat $a $i]
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        incr i
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    }
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    set a
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} {1 2}
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test while-3.2 {break tests, nested loops} {
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    set msg {}
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    set i 1
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    while {$i <= 4} {
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        set a 1
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        while {$a <= 2} {
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            if {$i>=2 && $a>=2} break
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            set msg [concat $msg "$i.$a"]
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            incr a
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        }
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        incr i
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    }
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    set msg
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} {1.1 1.2 2.1 3.1 4.1}
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test while-3.3 {break tests, long command body} {
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    set a {}
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    set i 1
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    while {$i<6} {
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        if $i==2 {incr i; continue}
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        if $i==5 break
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        if $i>5 continue
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if $i==4 break
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        if {$i>6 && $tcl_platform(machine)=="xxx"} {
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            catch {set a $a} msg
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            catch {incr i 5} msg
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            catch {incr i -5} msg
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        }
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        set a [concat $a $i]
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        incr i
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    }
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    set a
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} {1 3}
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# Check "while", "break", "continue" and computed command names.
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test while-4.1 {while and computed command names} {
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    set i 0
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    set z while
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    $z {$i < 10} {
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        incr i
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    }
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    set i
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} 10
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test while-5.1 {break and computed command names} {
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    set i 0
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    set z break
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    while 1 {
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        if {$i > 10} $z
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        incr i
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    }
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    set i
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} 11
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test while-6.1 {continue and computed command names} {
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    set i 0
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    set z continue
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    while 1 {
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        incr i
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        if {$i < 10} $z
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        break
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    }
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    set i
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} 10

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