| 1 | # Commands covered: while |
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| 2 | # |
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| 3 | # This file contains a collection of tests for one or more of the Tcl |
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| 4 | # built-in commands. Sourcing this file into Tcl runs the tests and |
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| 5 | # generates output for errors. No output means no errors were found. |
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| 6 | # |
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| 7 | # Copyright (c) 1996 Sun Microsystems, Inc. |
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| 8 | # Copyright (c) 1998-1999 by Scriptics Corporation. |
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| 9 | # |
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| 10 | # See the file "license.terms" for information on usage and redistribution |
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| 11 | # of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 12 | # |
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| 13 | # RCS: @(#) $Id: while.test,v 1.13 2006/10/09 19:15:45 msofer Exp $ |
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| 14 | |
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| 15 | if {[lsearch [namespace children] ::tcltest] == -1} { |
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| 16 | package require tcltest 2 |
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| 17 | namespace import -force ::tcltest::* |
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| 18 | } |
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| 19 | |
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| 20 | # Basic "while" operation. |
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| 21 | |
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| 22 | catch {unset i} |
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| 23 | catch {unset a} |
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| 24 | |
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| 25 | test while-1.1 {TclCompileWhileCmd: missing test expression} { |
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| 26 | catch {while } msg |
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| 27 | set msg |
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| 28 | } {wrong # args: should be "while test command"} |
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| 29 | test while-1.2 {TclCompileWhileCmd: error in test expression} -body { |
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| 30 | set i 0 |
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| 31 | catch {while {$i<} break} msg |
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| 32 | set ::errorInfo |
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| 33 | } -match glob -result {*"while {$i<} break"} |
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| 34 | test while-1.3 {TclCompileWhileCmd: error in test expression} { |
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| 35 | set err [catch {while {"a"+"b"} {error "loop aborted"}} msg] |
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| 36 | list $err $msg |
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| 37 | } {1 {can't use non-numeric string as operand of "+"}} |
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| 38 | test while-1.4 {TclCompileWhileCmd: multiline test expr} { |
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| 39 | set value 1 |
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| 40 | while {($tcl_platform(platform) != "foobar1") && \ |
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| 41 | ($tcl_platform(platform) != "foobar2")} { |
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| 42 | incr value |
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| 43 | break |
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| 44 | } |
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| 45 | set value |
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| 46 | } {2} |
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| 47 | test while-1.5 {TclCompileWhileCmd: non-numeric boolean test expr} { |
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| 48 | set value 1 |
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| 49 | while {"true"} { |
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| 50 | incr value; |
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| 51 | if {$value > 5} { |
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| 52 | break; |
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| 53 | } |
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| 54 | } |
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| 55 | set value |
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| 56 | } 6 |
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| 57 | test while-1.6 {TclCompileWhileCmd: test expr is enclosed in quotes} { |
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| 58 | set i 0 |
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| 59 | while "$i > 5" {} |
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| 60 | } {} |
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| 61 | test while-1.7 {TclCompileWhileCmd: missing command body} { |
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| 62 | set i 0 |
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| 63 | catch {while {$i < 5} } msg |
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| 64 | set msg |
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| 65 | } {wrong # args: should be "while test command"} |
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| 66 | test while-1.8 {TclCompileWhileCmd: error compiling command body} -body { |
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| 67 | set i 0 |
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| 68 | catch {while {$i < 5} {set}} msg |
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| 69 | set ::errorInfo |
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| 70 | } -match glob -result {wrong # args: should be "set varName ?newValue?" |
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| 71 | while *ing |
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| 72 | "set"*} |
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| 73 | test while-1.9 {TclCompileWhileCmd: simple command body} { |
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| 74 | set a {} |
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| 75 | set i 1 |
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| 76 | while {$i<6} { |
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| 77 | if $i==4 break |
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| 78 | set a [concat $a $i] |
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| 79 | incr i |
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| 80 | } |
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| 81 | set a |
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| 82 | } {1 2 3} |
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| 83 | test while-1.10 {TclCompileWhileCmd: command body in quotes} { |
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| 84 | set a {} |
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| 85 | set i 1 |
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| 86 | while {$i<6} "append a x; incr i" |
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| 87 | set a |
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| 88 | } {xxxxx} |
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| 89 | test while-1.11 {TclCompileWhileCmd: computed command body} { |
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| 90 | catch {unset x1} |
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| 91 | catch {unset bb} |
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| 92 | catch {unset x2} |
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| 93 | set x1 {append a x1; } |
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| 94 | set bb {break} |
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| 95 | set x2 {; append a x2; incr i} |
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| 96 | set a {} |
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| 97 | set i 1 |
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| 98 | while {$i<6} $x1$bb$x2 |
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| 99 | set a |
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| 100 | } {x1} |
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| 101 | test while-1.12 {TclCompileWhileCmd: long command body} { |
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| 102 | set a {} |
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| 103 | set i 1 |
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| 104 | while {$i<6} { |
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| 105 | if $i==4 break |
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| 106 | if $i>5 continue |
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| 107 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 108 | catch {set a $a} msg |
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| 109 | catch {incr i 5} msg |
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| 110 | catch {incr i -5} msg |
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| 111 | } |
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| 112 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 113 | catch {set a $a} msg |
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| 114 | catch {incr i 5} msg |
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| 115 | catch {incr i -5} msg |
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| 116 | } |
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| 117 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 118 | catch {set a $a} msg |
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| 119 | catch {incr i 5} msg |
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| 120 | catch {incr i -5} msg |
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| 121 | } |
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| 122 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 123 | catch {set a $a} msg |
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| 124 | catch {incr i 5} msg |
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| 125 | catch {incr i -5} msg |
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| 126 | } |
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| 127 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 128 | catch {set a $a} msg |
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| 129 | catch {incr i 5} msg |
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| 130 | catch {incr i -5} msg |
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| 131 | } |
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| 132 | set a [concat $a $i] |
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| 133 | incr i |
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| 134 | } |
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| 135 | set a |
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| 136 | } {1 2 3} |
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| 137 | test while-1.13 {TclCompileWhileCmd: while command result} { |
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| 138 | set i 0 |
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| 139 | set a [while {$i < 5} {incr i}] |
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| 140 | set a |
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| 141 | } {} |
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| 142 | test while-1.14 {TclCompileWhileCmd: while command result} { |
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| 143 | set i 0 |
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| 144 | set a [while {$i < 5} {if $i==3 break; incr i}] |
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| 145 | set a |
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| 146 | } {} |
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| 147 | |
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| 148 | # Check "while" and "continue". |
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| 149 | |
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| 150 | test while-2.1 {continue tests} { |
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| 151 | set a {} |
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| 152 | set i 1 |
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| 153 | while {$i <= 4} { |
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| 154 | incr i |
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| 155 | if {$i == 3} continue |
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| 156 | set a [concat $a $i] |
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| 157 | } |
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| 158 | set a |
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| 159 | } {2 4 5} |
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| 160 | test while-2.2 {continue tests} { |
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| 161 | set a {} |
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| 162 | set i 1 |
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| 163 | while {$i <= 4} { |
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| 164 | incr i |
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| 165 | if {$i != 2} continue |
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| 166 | set a [concat $a $i] |
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| 167 | } |
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| 168 | set a |
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| 169 | } {2} |
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| 170 | test while-2.3 {continue tests, nested loops} { |
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| 171 | set msg {} |
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| 172 | set i 1 |
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| 173 | while {$i <= 4} { |
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| 174 | incr i |
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| 175 | set a 1 |
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| 176 | while {$a <= 2} { |
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| 177 | incr a |
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| 178 | if {$i>=3 && $a>=3} continue |
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| 179 | set msg [concat $msg "$i.$a"] |
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| 180 | } |
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| 181 | } |
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| 182 | set msg |
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| 183 | } {2.2 2.3 3.2 4.2 5.2} |
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| 184 | test while-2.4 {continue tests, long command body} { |
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| 185 | set a {} |
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| 186 | set i 1 |
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| 187 | while {$i<6} { |
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| 188 | if $i==2 {incr i; continue} |
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| 189 | if $i==4 break |
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| 190 | if $i>5 continue |
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| 191 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 192 | catch {set a $a} msg |
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| 193 | catch {incr i 5} msg |
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| 194 | catch {incr i -5} msg |
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| 195 | } |
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| 196 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 197 | catch {set a $a} msg |
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| 198 | catch {incr i 5} msg |
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| 199 | catch {incr i -5} msg |
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| 200 | } |
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| 201 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 202 | catch {set a $a} msg |
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| 203 | catch {incr i 5} msg |
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| 204 | catch {incr i -5} msg |
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| 205 | } |
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| 206 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 207 | catch {set a $a} msg |
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| 208 | catch {incr i 5} msg |
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| 209 | catch {incr i -5} msg |
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| 210 | } |
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| 211 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 212 | catch {set a $a} msg |
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| 213 | catch {incr i 5} msg |
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| 214 | catch {incr i -5} msg |
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| 215 | } |
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| 216 | set a [concat $a $i] |
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| 217 | incr i |
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| 218 | } |
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| 219 | set a |
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| 220 | } {1 3} |
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| 221 | |
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| 222 | # Check "while" and "break". |
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| 223 | |
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| 224 | test while-3.1 {break tests} { |
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| 225 | set a {} |
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| 226 | set i 1 |
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| 227 | while {$i <= 4} { |
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| 228 | if {$i == 3} break |
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| 229 | set a [concat $a $i] |
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| 230 | incr i |
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| 231 | } |
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| 232 | set a |
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| 233 | } {1 2} |
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| 234 | test while-3.2 {break tests, nested loops} { |
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| 235 | set msg {} |
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| 236 | set i 1 |
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| 237 | while {$i <= 4} { |
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| 238 | set a 1 |
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| 239 | while {$a <= 2} { |
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| 240 | if {$i>=2 && $a>=2} break |
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| 241 | set msg [concat $msg "$i.$a"] |
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| 242 | incr a |
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| 243 | } |
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| 244 | incr i |
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| 245 | } |
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| 246 | set msg |
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| 247 | } {1.1 1.2 2.1 3.1 4.1} |
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| 248 | test while-3.3 {break tests, long command body} { |
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| 249 | set a {} |
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| 250 | set i 1 |
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| 251 | while {$i<6} { |
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| 252 | if $i==2 {incr i; continue} |
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| 253 | if $i==5 break |
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| 254 | if $i>5 continue |
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| 255 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 256 | catch {set a $a} msg |
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| 257 | catch {incr i 5} msg |
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| 258 | catch {incr i -5} msg |
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| 259 | } |
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| 260 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 261 | catch {set a $a} msg |
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| 262 | catch {incr i 5} msg |
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| 263 | catch {incr i -5} msg |
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| 264 | } |
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| 265 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 266 | catch {set a $a} msg |
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| 267 | catch {incr i 5} msg |
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| 268 | catch {incr i -5} msg |
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| 269 | } |
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| 270 | if $i==4 break |
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| 271 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 272 | catch {set a $a} msg |
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| 273 | catch {incr i 5} msg |
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| 274 | catch {incr i -5} msg |
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| 275 | } |
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| 276 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 277 | catch {set a $a} msg |
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| 278 | catch {incr i 5} msg |
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| 279 | catch {incr i -5} msg |
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| 280 | } |
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| 281 | set a [concat $a $i] |
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| 282 | incr i |
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| 283 | } |
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| 284 | set a |
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| 285 | } {1 3} |
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| 286 | |
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| 287 | # Check "while" with computed command names. |
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| 288 | |
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| 289 | test while-4.1 {while and computed command names} { |
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| 290 | set i 0 |
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| 291 | set z while |
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| 292 | $z {$i < 10} { |
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| 293 | incr i |
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| 294 | } |
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| 295 | set i |
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| 296 | } 10 |
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| 297 | test while-4.2 {while (not compiled): missing test expression} { |
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| 298 | set z while |
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| 299 | catch {$z } msg |
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| 300 | set msg |
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| 301 | } {wrong # args: should be "while test command"} |
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| 302 | test while-4.3 {while (not compiled): error in test expression} -body { |
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| 303 | set i 0 |
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| 304 | set z while |
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| 305 | catch {$z {$i<} {set x 1}} msg |
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| 306 | set ::errorInfo |
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| 307 | } -match glob -result {*"$z {$i<} {set x 1}"} |
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| 308 | test while-4.4 {while (not compiled): error in test expression} { |
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| 309 | set z while |
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| 310 | set err [catch {$z {"a"+"b"} {error "loop aborted"}} msg] |
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| 311 | list $err $msg |
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| 312 | } {1 {can't use non-numeric string as operand of "+"}} |
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| 313 | test while-4.5 {while (not compiled): multiline test expr} { |
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| 314 | set value 1 |
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| 315 | set z while |
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| 316 | $z {($tcl_platform(platform) != "foobar1") && \ |
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| 317 | ($tcl_platform(platform) != "foobar2")} { |
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| 318 | incr value |
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| 319 | break |
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| 320 | } |
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| 321 | set value |
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| 322 | } {2} |
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| 323 | test while-4.6 {while (not compiled): non-numeric boolean test expr} { |
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| 324 | set value 1 |
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| 325 | set z while |
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| 326 | $z {"true"} { |
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| 327 | incr value; |
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| 328 | if {$value > 5} { |
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| 329 | break; |
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| 330 | } |
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| 331 | } |
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| 332 | set value |
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| 333 | } 6 |
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| 334 | test while-4.7 {while (not compiled): test expr is enclosed in quotes} { |
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| 335 | set i 0 |
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| 336 | set z while |
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| 337 | $z "$i > 5" {} |
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| 338 | } {} |
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| 339 | test while-4.8 {while (not compiled): missing command body} { |
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| 340 | set i 0 |
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| 341 | set z while |
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| 342 | catch {$z {$i < 5} } msg |
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| 343 | set msg |
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| 344 | } {wrong # args: should be "while test command"} |
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| 345 | test while-4.9 {while (not compiled): error compiling command body} -body { |
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| 346 | set i 0 |
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| 347 | set z while |
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| 348 | catch {$z {$i < 5} {set}} msg |
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| 349 | set ::errorInfo |
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| 350 | } -match glob -result {wrong # args: should be "set varName ?newValue?" |
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| 351 | while *ing |
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| 352 | "set" |
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| 353 | ("while" body line 1) |
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| 354 | invoked from within |
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| 355 | "$z {$i < 5} {set}"} |
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| 356 | test while-4.10 {while (not compiled): simple command body} { |
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| 357 | set a {} |
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| 358 | set i 1 |
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| 359 | set z while |
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| 360 | $z {$i<6} { |
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| 361 | if $i==4 break |
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| 362 | set a [concat $a $i] |
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| 363 | incr i |
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| 364 | } |
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| 365 | set a |
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| 366 | } {1 2 3} |
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| 367 | test while-4.11 {while (not compiled): command body in quotes} { |
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| 368 | set a {} |
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| 369 | set i 1 |
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| 370 | set z while |
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| 371 | $z {$i<6} "append a x; incr i" |
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| 372 | set a |
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| 373 | } {xxxxx} |
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| 374 | test while-4.12 {while (not compiled): computed command body} { |
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| 375 | set z while |
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| 376 | catch {unset x1} |
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| 377 | catch {unset bb} |
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| 378 | catch {unset x2} |
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| 379 | set x1 {append a x1; } |
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| 380 | set bb {break} |
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| 381 | set x2 {; append a x2; incr i} |
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| 382 | set a {} |
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| 383 | set i 1 |
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| 384 | $z {$i<6} $x1$bb$x2 |
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| 385 | set a |
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| 386 | } {x1} |
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| 387 | test while-4.13 {while (not compiled): long command body} { |
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| 388 | set a {} |
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| 389 | set z while |
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| 390 | set i 1 |
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| 391 | $z {$i<6} { |
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| 392 | if $i==4 break |
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| 393 | if $i>5 continue |
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| 394 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 395 | catch {set a $a} msg |
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| 396 | catch {incr i 5} msg |
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| 397 | catch {incr i -5} msg |
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| 398 | } |
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| 399 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 400 | catch {set a $a} msg |
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| 401 | catch {incr i 5} msg |
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| 402 | catch {incr i -5} msg |
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| 403 | } |
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| 404 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 405 | catch {set a $a} msg |
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| 406 | catch {incr i 5} msg |
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| 407 | catch {incr i -5} msg |
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| 408 | } |
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| 409 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 410 | catch {set a $a} msg |
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| 411 | catch {incr i 5} msg |
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| 412 | catch {incr i -5} msg |
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| 413 | } |
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| 414 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 415 | catch {set a $a} msg |
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| 416 | catch {incr i 5} msg |
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| 417 | catch {incr i -5} msg |
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| 418 | } |
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| 419 | set a [concat $a $i] |
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| 420 | incr i |
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| 421 | } |
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| 422 | set a |
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| 423 | } {1 2 3} |
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| 424 | test while-4.14 {while (not compiled): while command result} { |
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| 425 | set i 0 |
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| 426 | set z while |
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| 427 | set a [$z {$i < 5} {incr i}] |
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| 428 | set a |
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| 429 | } {} |
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| 430 | test while-4.15 {while (not compiled): while command result} { |
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| 431 | set i 0 |
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| 432 | set z while |
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| 433 | set a [$z {$i < 5} {if $i==3 break; incr i}] |
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| 434 | set a |
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| 435 | } {} |
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| 436 | |
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| 437 | # Check "break" with computed command names. |
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| 438 | |
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| 439 | test while-5.1 {break and computed command names} { |
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| 440 | set i 0 |
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| 441 | set z break |
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| 442 | while 1 { |
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| 443 | if {$i > 10} $z |
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| 444 | incr i |
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| 445 | } |
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| 446 | set i |
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| 447 | } 11 |
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| 448 | test while-5.2 {break tests with computed command names} { |
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| 449 | set a {} |
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| 450 | set i 1 |
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| 451 | set z break |
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| 452 | while {$i <= 4} { |
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| 453 | if {$i == 3} $z |
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| 454 | set a [concat $a $i] |
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| 455 | incr i |
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| 456 | } |
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| 457 | set a |
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| 458 | } {1 2} |
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| 459 | test while-5.3 {break tests, nested loops with computed command names} { |
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| 460 | set msg {} |
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| 461 | set i 1 |
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| 462 | set z break |
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| 463 | while {$i <= 4} { |
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| 464 | set a 1 |
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| 465 | while {$a <= 2} { |
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| 466 | if {$i>=2 && $a>=2} $z |
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| 467 | set msg [concat $msg "$i.$a"] |
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| 468 | incr a |
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| 469 | } |
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| 470 | incr i |
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| 471 | } |
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| 472 | set msg |
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| 473 | } {1.1 1.2 2.1 3.1 4.1} |
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| 474 | test while-5.4 {break tests, long command body with computed command names} { |
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| 475 | set a {} |
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| 476 | set i 1 |
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| 477 | set z break |
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| 478 | while {$i<6} { |
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| 479 | if $i==2 {incr i; continue} |
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| 480 | if $i==5 $z |
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| 481 | if $i>5 continue |
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| 482 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 483 | catch {set a $a} msg |
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| 484 | catch {incr i 5} msg |
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| 485 | catch {incr i -5} msg |
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| 486 | } |
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| 487 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 488 | catch {set a $a} msg |
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| 489 | catch {incr i 5} msg |
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| 490 | catch {incr i -5} msg |
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| 491 | } |
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| 492 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 493 | catch {set a $a} msg |
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| 494 | catch {incr i 5} msg |
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| 495 | catch {incr i -5} msg |
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| 496 | } |
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| 497 | if $i==4 $z |
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| 498 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 499 | catch {set a $a} msg |
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| 500 | catch {incr i 5} msg |
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| 501 | catch {incr i -5} msg |
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| 502 | } |
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| 503 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 504 | catch {set a $a} msg |
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| 505 | catch {incr i 5} msg |
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| 506 | catch {incr i -5} msg |
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| 507 | } |
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| 508 | set a [concat $a $i] |
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| 509 | incr i |
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| 510 | } |
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| 511 | set a |
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| 512 | } {1 3} |
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| 513 | |
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| 514 | # Check "continue" with computed command names. |
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| 515 | |
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| 516 | test while-6.1 {continue and computed command names} { |
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| 517 | set i 0 |
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| 518 | set z continue |
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| 519 | while 1 { |
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| 520 | incr i |
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| 521 | if {$i < 10} $z |
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| 522 | break |
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| 523 | } |
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| 524 | set i |
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| 525 | } 10 |
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| 526 | test while-6.2 {continue tests} { |
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| 527 | set a {} |
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| 528 | set i 1 |
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| 529 | set z continue |
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| 530 | while {$i <= 4} { |
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| 531 | incr i |
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| 532 | if {$i == 3} $z |
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| 533 | set a [concat $a $i] |
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| 534 | } |
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| 535 | set a |
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| 536 | } {2 4 5} |
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| 537 | test while-6.3 {continue tests with computed command names} { |
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| 538 | set a {} |
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| 539 | set i 1 |
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| 540 | set z continue |
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| 541 | while {$i <= 4} { |
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| 542 | incr i |
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| 543 | if {$i != 2} $z |
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| 544 | set a [concat $a $i] |
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| 545 | } |
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| 546 | set a |
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| 547 | } {2} |
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| 548 | test while-6.4 {continue tests, nested loops with computed command names} { |
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| 549 | set msg {} |
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| 550 | set i 1 |
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| 551 | set z continue |
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| 552 | while {$i <= 4} { |
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| 553 | incr i |
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| 554 | set a 1 |
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| 555 | while {$a <= 2} { |
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| 556 | incr a |
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| 557 | if {$i>=3 && $a>=3} $z |
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| 558 | set msg [concat $msg "$i.$a"] |
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| 559 | } |
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| 560 | } |
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| 561 | set msg |
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| 562 | } {2.2 2.3 3.2 4.2 5.2} |
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| 563 | test while-6.5 {continue tests, long command body with computed command names} { |
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| 564 | set a {} |
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| 565 | set i 1 |
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| 566 | set z continue |
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| 567 | while {$i<6} { |
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| 568 | if $i==2 {incr i; continue} |
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| 569 | if $i==4 break |
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| 570 | if $i>5 $z |
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| 571 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 572 | catch {set a $a} msg |
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| 573 | catch {incr i 5} msg |
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| 574 | catch {incr i -5} msg |
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| 575 | } |
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| 576 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 577 | catch {set a $a} msg |
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| 578 | catch {incr i 5} msg |
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| 579 | catch {incr i -5} msg |
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| 580 | } |
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| 581 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 582 | catch {set a $a} msg |
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| 583 | catch {incr i 5} msg |
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| 584 | catch {incr i -5} msg |
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| 585 | } |
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| 586 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 587 | catch {set a $a} msg |
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| 588 | catch {incr i 5} msg |
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| 589 | catch {incr i -5} msg |
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| 590 | } |
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| 591 | if {$i>6 && $tcl_platform(machine)=="xxx"} { |
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| 592 | catch {set a $a} msg |
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| 593 | catch {incr i 5} msg |
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| 594 | catch {incr i -5} msg |
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| 595 | } |
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| 596 | set a [concat $a $i] |
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| 597 | incr i |
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| 598 | } |
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| 599 | set a |
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| 600 | } {1 3} |
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| 601 | |
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| 602 | # Test for incorrect "double evaluation" semantics |
|---|
| 603 | |
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| 604 | test while-7.1 {delayed substitution of body} { |
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| 605 | set i 0 |
|---|
| 606 | while {[incr i] < 10} " |
|---|
| 607 | set result $i |
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| 608 | " |
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| 609 | proc p {} { |
|---|
| 610 | set i 0 |
|---|
| 611 | while {[incr i] < 10} " |
|---|
| 612 | set result $i |
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| 613 | " |
|---|
| 614 | set result |
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| 615 | } |
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| 616 | append result [p] |
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| 617 | } {00} |
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| 618 | |
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| 619 | # cleanup |
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| 620 | ::tcltest::cleanupTests |
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| 621 | return |
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