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# 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.

#

# 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 1.1.1.1 2002-01-16 10:25:35 markom Exp $

if {[string compare test [info procs test]] == 1} then {source defs}

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