# Commands covered:  concat

 #

 # 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: concat.test,v 1.5 2000/04/10 17:18:58 ericm Exp $

 if {[lsearch [namespace children] ::tcltest] == -1} {

     package require tcltest

     namespace import -force ::tcltest::*

 }

 test concat-1.1 {simple concatenation} {

     concat a b c d e f g

 } {a b c d e f g}

 test concat-1.2 {merging lists together} {

     concat a {b c d} {e f g h}

 } {a b c d e f g h}

 test concat-1.3 {merge lists, retain sub-lists} {

     concat a {b {c d}} {{e f}} g h

 } {a b {c d} {e f} g h}

 test concat-1.4 {special characters} {

     concat a\{ {b \{c d} \{d

 } "a{ b \\{c d {d"

 test concat-2.1 {error: one empty argument} {

     concat {}

 } {}

 test concat-3.1 {error: no arguments} {

     list [catch concat msg] $msg

 } {0 {}}

 test concat-4.1 {pruning off extra white space} {

     concat {} {a b c}

 } {a b c}

 test concat-4.2 {pruning off extra white space} {

     concat x y "  a b c	\n\t  " "   "  " def "

 } {x y a b c def}

 test concat-4.3 {pruning off extra white space sets length correctly} {

     llength [concat { {{a}} }]

 } 1

 # cleanup

 ::tcltest::cleanupTests

 return