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# Commands covered: append lappend
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: append.test,v 1.6 2001/05/17 02:18:53 hobbs Exp $
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import -force ::tcltest::*
}
catch {unset x}
test append-1.1 {append command} {
catch {unset x}
list [append x 1 2 abc "long string"] $x
} {{12abclong string} {12abclong string}}
test append-1.2 {append command} {
set x ""
list [append x first] [append x second] [append x third] $x
} {first firstsecond firstsecondthird firstsecondthird}
test append-1.3 {append command} {
set x "abcd"
append x
} abcd
test append-2.1 {long appends} {
set x ""
for {set i 0} {$i < 1000} {set i [expr $i+1]} {
append x "foobar "
}
set y "foobar"
set y "$y $y $y $y $y $y $y $y $y $y"
set y "$y $y $y $y $y $y $y $y $y $y"
set y "$y $y $y $y $y $y $y $y $y $y "
expr {$x == $y}
} 1
test append-3.1 {append errors} {
list [catch {append} msg] $msg
} {1 {wrong # args: should be "append varName ?value value ...?"}}
test append-3.2 {append errors} {
set x ""
list [catch {append x(0) 44} msg] $msg
} {1 {can't set "x(0)": variable isn't array}}
test append-3.3 {append errors} {
catch {unset x}
list [catch {append x} msg] $msg
} {1 {can't read "x": no such variable}}
test append-4.1 {lappend command} {
catch {unset x}
list [lappend x 1 2 abc "long string"] $x
} {{1 2 abc {long string}} {1 2 abc {long string}}}
test append-4.2 {lappend command} {
set x ""
list [lappend x first] [lappend x second] [lappend x third] $x
} {first {first second} {first second third} {first second third}}
test append-4.3 {lappend command} {
proc foo {} {
global x
set x old
unset x
lappend x new
}
set result [foo]
rename foo {}
set result
} {new}
test append-4.4 {lappend command} {
set x {}
lappend x \{\ abc
} {\{\ abc}
test append-4.5 {lappend command} {
set x {}
lappend x \{ abc
} {\{ abc}
test append-4.6 {lappend command} {
set x {1 2 3}
lappend x
} {1 2 3}
test append-4.7 {lappend command} {
set x "a\{"
lappend x abc
} "a\\\{ abc"
test append-4.8 {lappend command} {
set x "\\\{"
lappend x abc
} "\\{ abc"
test append-4.9 {lappend command} {
set x " \{"
list [catch {lappend x abc} msg] $msg
} {1 {unmatched open brace in list}}
test append-4.10 {lappend command} {
set x " \{"
list [catch {lappend x abc} msg] $msg
} {1 {unmatched open brace in list}}
test append-4.11 {lappend command} {
set x "\{\{\{"
list [catch {lappend x abc} msg] $msg
} {1 {unmatched open brace in list}}
test append-4.12 {lappend command} {
set x "x \{\{\{"
list [catch {lappend x abc} msg] $msg
} {1 {unmatched open brace in list}}
test append-4.13 {lappend command} {
set x "x\{\{\{"
lappend x abc
} "x\\\{\\\{\\\{ abc"
test append-4.14 {lappend command} {
set x " "
lappend x abc
} "abc"
test append-4.15 {lappend command} {
set x "\\ "
lappend x abc
} "{ } abc"
test append-4.16 {lappend command} {
set x "x "
lappend x abc
} "x abc"
test append-4.17 {lappend command} {
catch {unset x}
lappend x
} {}
proc check {var size} {
set l [llength $var]
if {$l != $size} {
return "length mismatch: should have been $size, was $l"
}
for {set i 0} {$i < $size} {set i [expr $i+1]} {
set j [lindex $var $i]
if {$j != "item $i"} {
return "element $i should have been \"item $i\", was \"$j\""
}
}
return ok
}
test append-5.1 {long lappends} {
set x ""
for {set i 0} {$i < 300} {set i [expr $i+1]} {
lappend x "item $i"
}
check $x 300
} ok
test append-6.1 {lappend errors} {
list [catch {lappend} msg] $msg
} {1 {wrong # args: should be "lappend varName ?value value ...?"}}
test append-6.2 {lappend errors} {
set x ""
list [catch {lappend x(0) 44} msg] $msg
} {1 {can't set "x(0)": variable isn't array}}
test append-7.1 {lappend-created var and error in trace on that var} {
catch {rename foo ""}
catch {unset x}
trace variable x w foo
proc foo {} {global x; unset x}
catch {lappend x 1}
proc foo {args} {global x; unset x}
info exists x
set x
lappend x 1
list [info exists x] [catch {set x} msg] $msg
} {0 1 {can't read "x": no such variable}}
catch {unset i x result y}
catch {rename foo ""}
catch {rename check ""}
# cleanup
::tcltest::cleanupTests
return
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