source: downloads/tcl8.5.2/tests/llength.test @ 45

# Commands covered:  llength
#
# 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 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: llength.test,v 1.6 2004/05/19 12:23:58 dkf Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest
    namespace import -force ::tcltest::*
}

test llength-1.1 {length of list} {
    llength {a b c d}
} 4
test llength-1.2 {length of list} {
    llength {a b c {a b {c d}} d}
} 5
test llength-1.3 {length of list} {
    llength {}
} 0

test llength-2.1 {error conditions} {
    list [catch {llength} msg] $msg
} {1 {wrong # args: should be "llength list"}}
test llength-2.2 {error conditions} {
    list [catch {llength 123 2} msg] $msg
} {1 {wrong # args: should be "llength list"}}
test llength-2.3 {error conditions} {
    list [catch {llength "a b c \{"} msg] $msg
} {1 {unmatched open brace in list}}

# cleanup
::tcltest::cleanupTests
return