[25] | 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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