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# -*- tcl -*-
# Graph tests - arc nodes
# Copyright (c) 2009 Andreas Kupries <andreas_kupries@users.sourceforge.net>
# All rights reserved.
# RCS: @(#) $Id: nodes.test,v 1.1 2009/09/24 16:23:47 andreas_kupries Exp $
# Syntax: graph arc nodes ARC
# -------------------------------------------------------------------------
# Wrong # args: Missing, Too many
test graph-${impl}-${setimpl}-arc-nodes-1.0 {arc nodes, wrong#arcs, missing} {
SETUP
catch {mygraph arc nodes} msg
mygraph destroy
set msg
} [tmWrong {arc nodes} arc 0]
test graph-${impl}-${setimpl}-arc-nodes-1.1 {arc nodes, wrong#arcs, too many} {
SETUP
catch {mygraph arc nodes a b} msg
mygraph destroy
set msg
} [tmTooMany {arc nodes} arc]
# -------------------------------------------------------------------------
# Logical arguments checks and failures
test graph-${impl}-${setimpl}-arc-nodes-2.0 {arc nodes, missing arc} {
SETUP
catch {mygraph arc nodes arc0} msg
mygraph destroy
set msg
} [MissingArc $MY arc0]
# -------------------------------------------------------------------------
# Ok arguments.
test graph-${impl}-${setimpl}-arc-nodes-3.0 {arc nodes} {
SETUP
mygraph node insert node0 node1
mygraph arc insert node0 node1 arc0
set result [mygraph arc nodes arc0]
mygraph destroy
set result
} {node0 node1}
# ---------------------------------------------------
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