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# -*- tcl -*-
# Graph ops tests - Minimum spanning tree/forest per Kruskal
# Copyright (c) 2008-2010 Andreas Kupries <andreas_kupries@users.sourceforge.net>
# All rights reserved.
# RCS: @(#) $Id: kruskal.test,v 1.4 2010/09/09 21:48:27 andreas_kupries Exp $
# Syntax: struct::graph::op::kruskal G
# -------------------------------------------------------------------------
# Wrong # args: Missing, Too many
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-kruskal-1.0 {kruskal, wrong args, missing} -body {
struct::graph::op::kruskal
} -returnCodes error -result [tcltest::wrongNumArgs struct::graph::op::kruskal {g} 0]
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-kruskal-1.1 {kruskal, wrong args, too many} -body {
struct::graph::op::kruskal g x
} -returnCodes error -result [tcltest::tooManyArgs struct::graph::op::kruskal {g}]
# -------------------------------------------------------------------------
# Logical arguments checks and failures
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-kruskal-2.0 {kruskal, arcs without weights} -setup {
SETUP
mygraph node insert 0 1
mygraph arc insert 0 1 a
} -body {
struct::graph::op::kruskal mygraph
} -returnCodes error -result {Operation invalid for graph with unweighted arcs.}
# -------------------------------------------------------------------------
# Ok arguments.
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-kruskal-3.0 {kruskal, empty graph} -setup {
SETUP
} -body {
struct::graph::op::kruskal mygraph
} -cleanup {
mygraph destroy
} -result {}
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-kruskal-3.1 {kruskal, nodes, no arcs} -setup {
SETUP
mygraph node insert 0 1 2 3 4 5
} -body {
struct::graph::op::kruskal mygraph
} -cleanup {
mygraph destroy
} -result {}
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-kruskal-3.2 {kruskal, nodes, arcs} -setup {
SETUP_A
} -body {
lsort -dict [struct::graph::op::kruskal mygraph]
} -cleanup {
mygraph destroy
} -result {'arc0_1' 'arc0_3' 'arc3_2' 'arc3_4' 'arc3_6' 'arc6_5'}
# ---------------------------------------------------
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