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# -*- tcl -*-
# Graph tests - arc flip
# Copyright (c) 2006 Andreas Kupries <andreas_kupries@users.sourceforge.net>
# All rights reserved.
# RCS: @(#) $Id: flip.test,v 1.2 2007/04/12 03:01:55 andreas_kupries Exp $
# Syntax: graph arc flip ARC
# -------------------------------------------------------------------------
# Wrong # args: Missing, Too many
test graph-${impl}-${setimpl}-arc-flip-1.0 {arc flip, wrong#args, missing} {
SETUP
catch {mygraph arc flip} res
mygraph destroy
set res
} [tmWrong {arc flip} arc 0]
test graph-${impl}-${setimpl}-arc-flip-1.1 {arc flip, wrong#args, too many} {
SETUP
catch {mygraph arc flip a b} res
mygraph destroy
set res
} [tmTooMany {arc flip} arc]
# -------------------------------------------------------------------------
# Logical arguments checks and failures
test graph-${impl}-${setimpl}-arc-flip-2.0 {arc flip, missing arc} {
SETUP
catch {mygraph arc flip a} res
mygraph destroy
set res
} [MissingArc $MY a]
# -------------------------------------------------------------------------
# Ok arguments.
test graph-${impl}-${setimpl}-arc-flip-3.0 {arc flip, regular arc} {
SETUP
mygraph node insert 0 1
mygraph arc insert 0 1 a
mygraph arc flip a
set res [list [mygraph arc source a] [mygraph arc target a]]
mygraph destroy
set res
} {1 0}
test graph-${impl}-${setimpl}-arc-flip-3.1 {arc flip, loop} {
SETUP
mygraph node insert 0
mygraph arc insert 0 0 a
mygraph arc flip a
set res [list [mygraph arc source a] [mygraph arc target a]]
mygraph destroy
set res
} {0 0}
# -------------------------------------------------------------------------
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