1 | # Commands covered: append lappend |
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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) 1991-1993 The Regents of the University of California. |
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8 | # Copyright (c) 1994-1996 Sun Microsystems, Inc. |
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9 | # Copyright (c) 1998-1999 by Scriptics Corporation. |
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10 | # |
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11 | # See the file "license.terms" for information on usage and redistribution |
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12 | # of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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13 | # |
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14 | # RCS: @(#) $Id: append.test,v 1.9 2006/12/17 03:44:20 das Exp $ |
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15 | |
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16 | if {[lsearch [namespace children] ::tcltest] == -1} { |
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17 | package require tcltest |
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18 | namespace import -force ::tcltest::* |
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19 | } |
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20 | catch {unset x} |
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21 | |
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22 | test append-1.1 {append command} { |
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23 | catch {unset x} |
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24 | list [append x 1 2 abc "long string"] $x |
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25 | } {{12abclong string} {12abclong string}} |
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26 | test append-1.2 {append command} { |
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27 | set x "" |
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28 | list [append x first] [append x second] [append x third] $x |
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29 | } {first firstsecond firstsecondthird firstsecondthird} |
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30 | test append-1.3 {append command} { |
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31 | set x "abcd" |
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32 | append x |
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33 | } abcd |
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34 | |
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35 | test append-2.1 {long appends} { |
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36 | set x "" |
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37 | for {set i 0} {$i < 1000} {set i [expr $i+1]} { |
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38 | append x "foobar " |
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39 | } |
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40 | set y "foobar" |
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41 | set y "$y $y $y $y $y $y $y $y $y $y" |
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42 | set y "$y $y $y $y $y $y $y $y $y $y" |
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43 | set y "$y $y $y $y $y $y $y $y $y $y " |
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44 | expr {$x == $y} |
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45 | } 1 |
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46 | |
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47 | test append-3.1 {append errors} { |
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48 | list [catch {append} msg] $msg |
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49 | } {1 {wrong # args: should be "append varName ?value value ...?"}} |
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50 | test append-3.2 {append errors} { |
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51 | set x "" |
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52 | list [catch {append x(0) 44} msg] $msg |
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53 | } {1 {can't set "x(0)": variable isn't array}} |
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54 | test append-3.3 {append errors} { |
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55 | catch {unset x} |
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56 | list [catch {append x} msg] $msg |
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57 | } {1 {can't read "x": no such variable}} |
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58 | |
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59 | test append-4.1 {lappend command} { |
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60 | catch {unset x} |
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61 | list [lappend x 1 2 abc "long string"] $x |
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62 | } {{1 2 abc {long string}} {1 2 abc {long string}}} |
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63 | test append-4.2 {lappend command} { |
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64 | set x "" |
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65 | list [lappend x first] [lappend x second] [lappend x third] $x |
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66 | } {first {first second} {first second third} {first second third}} |
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67 | test append-4.3 {lappend command} { |
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68 | proc foo {} { |
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69 | global x |
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70 | set x old |
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71 | unset x |
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72 | lappend x new |
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73 | } |
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74 | set result [foo] |
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75 | rename foo {} |
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76 | set result |
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77 | } {new} |
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78 | test append-4.4 {lappend command} { |
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79 | set x {} |
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80 | lappend x \{\ abc |
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81 | } {\{\ abc} |
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82 | test append-4.5 {lappend command} { |
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83 | set x {} |
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84 | lappend x \{ abc |
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85 | } {\{ abc} |
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86 | test append-4.6 {lappend command} { |
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87 | set x {1 2 3} |
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88 | lappend x |
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89 | } {1 2 3} |
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90 | test append-4.7 {lappend command} { |
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91 | set x "a\{" |
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92 | lappend x abc |
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93 | } "a\\\{ abc" |
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94 | test append-4.8 {lappend command} { |
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95 | set x "\\\{" |
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96 | lappend x abc |
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97 | } "\\{ abc" |
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98 | test append-4.9 {lappend command} { |
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99 | set x " \{" |
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100 | list [catch {lappend x abc} msg] $msg |
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101 | } {1 {unmatched open brace in list}} |
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102 | test append-4.10 {lappend command} { |
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103 | set x " \{" |
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104 | list [catch {lappend x abc} msg] $msg |
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105 | } {1 {unmatched open brace in list}} |
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106 | test append-4.11 {lappend command} { |
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107 | set x "\{\{\{" |
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108 | list [catch {lappend x abc} msg] $msg |
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109 | } {1 {unmatched open brace in list}} |
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110 | test append-4.12 {lappend command} { |
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111 | set x "x \{\{\{" |
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112 | list [catch {lappend x abc} msg] $msg |
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113 | } {1 {unmatched open brace in list}} |
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114 | test append-4.13 {lappend command} { |
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115 | set x "x\{\{\{" |
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116 | lappend x abc |
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117 | } "x\\\{\\\{\\\{ abc" |
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118 | test append-4.14 {lappend command} { |
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119 | set x " " |
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120 | lappend x abc |
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121 | } "abc" |
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122 | test append-4.15 {lappend command} { |
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123 | set x "\\ " |
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124 | lappend x abc |
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125 | } "{ } abc" |
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126 | test append-4.16 {lappend command} { |
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127 | set x "x " |
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128 | lappend x abc |
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129 | } "x abc" |
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130 | test append-4.17 {lappend command} { |
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131 | catch {unset x} |
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132 | lappend x |
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133 | } {} |
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134 | test append-4.18 {lappend command} { |
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135 | catch {unset x} |
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136 | lappend x {} |
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137 | } {{}} |
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138 | test append-4.19 {lappend command} { |
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139 | catch {unset x} |
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140 | lappend x(0) |
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141 | } {} |
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142 | test append-4.20 {lappend command} { |
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143 | catch {unset x} |
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144 | lappend x(0) abc |
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145 | } {abc} |
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146 | unset -nocomplain x |
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147 | test append-4.21 {lappend command} { |
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148 | set x \" |
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149 | list [catch {lappend x} msg] $msg |
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150 | } {1 {unmatched open quote in list}} |
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151 | test append-4.22 {lappend command} { |
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152 | set x \" |
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153 | list [catch {lappend x abc} msg] $msg |
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154 | } {1 {unmatched open quote in list}} |
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155 | |
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156 | proc check {var size} { |
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157 | set l [llength $var] |
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158 | if {$l != $size} { |
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159 | return "length mismatch: should have been $size, was $l" |
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160 | } |
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161 | for {set i 0} {$i < $size} {set i [expr $i+1]} { |
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162 | set j [lindex $var $i] |
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163 | if {$j != "item $i"} { |
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164 | return "element $i should have been \"item $i\", was \"$j\"" |
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165 | } |
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166 | } |
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167 | return ok |
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168 | } |
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169 | test append-5.1 {long lappends} { |
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170 | catch {unset x} |
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171 | set x "" |
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172 | for {set i 0} {$i < 300} {set i [expr $i+1]} { |
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173 | lappend x "item $i" |
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174 | } |
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175 | check $x 300 |
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176 | } ok |
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177 | |
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178 | test append-6.1 {lappend errors} { |
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179 | list [catch {lappend} msg] $msg |
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180 | } {1 {wrong # args: should be "lappend varName ?value value ...?"}} |
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181 | test append-6.2 {lappend errors} { |
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182 | set x "" |
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183 | list [catch {lappend x(0) 44} msg] $msg |
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184 | } {1 {can't set "x(0)": variable isn't array}} |
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185 | |
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186 | test append-7.1 {lappend-created var and error in trace on that var} { |
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187 | catch {rename foo ""} |
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188 | catch {unset x} |
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189 | trace variable x w foo |
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190 | proc foo {} {global x; unset x} |
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191 | catch {lappend x 1} |
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192 | proc foo {args} {global x; unset x} |
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193 | info exists x |
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194 | set x |
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195 | lappend x 1 |
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196 | list [info exists x] [catch {set x} msg] $msg |
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197 | } {0 1 {can't read "x": no such variable}} |
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198 | test append-7.2 {lappend var triggers read trace} { |
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199 | catch {unset myvar} |
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200 | catch {unset ::result} |
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201 | trace variable myvar r foo |
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202 | proc foo {args} {append ::result $args} |
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203 | lappend myvar a |
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204 | list [catch {set ::result} msg] $msg |
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205 | } {0 {myvar {} r}} |
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206 | test append-7.3 {lappend var triggers read trace, array var} { |
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207 | # The behavior of read triggers on lappend changed in 8.0 to |
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208 | # not trigger them, and was changed back in 8.4. |
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209 | catch {unset myvar} |
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210 | catch {unset ::result} |
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211 | trace variable myvar r foo |
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212 | proc foo {args} {append ::result $args} |
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213 | lappend myvar(b) a |
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214 | list [catch {set ::result} msg] $msg |
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215 | } {0 {myvar b r}} |
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216 | test append-7.4 {lappend var triggers read trace, array var exists} { |
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217 | catch {unset myvar} |
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218 | catch {unset ::result} |
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219 | set myvar(0) 1 |
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220 | trace variable myvar r foo |
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221 | proc foo {args} {append ::result $args} |
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222 | lappend myvar(b) a |
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223 | list [catch {set ::result} msg] $msg |
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224 | } {0 {myvar b r}} |
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225 | test append-7.5 {append var does not trigger read trace} { |
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226 | catch {unset myvar} |
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227 | catch {unset ::result} |
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228 | trace variable myvar r foo |
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229 | proc foo {args} {append ::result $args} |
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230 | append myvar a |
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231 | info exists ::result |
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232 | } {0} |
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233 | |
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234 | |
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235 | catch {unset i x result y} |
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236 | catch {rename foo ""} |
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237 | catch {rename check ""} |
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238 | |
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239 | # cleanup |
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240 | ::tcltest::cleanupTests |
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241 | return |
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