# -*- tcl -*-
# Graph tests - arc setweight
# Copyright (c) 2008 Andreas Kupries <andreas_kupries@users.sourceforge.net>
# All rights reserved.
# RCS: @(#) $Id: setweight.test,v 1.1 2008/10/11 23:23:48 andreas_kupries Exp $

# Syntax: graph arc setweight

# -------------------------------------------------------------------------
# Wrong # args: Missing, Too many

test graph-${impl}-${setimpl}-arc-setweight-1.0 {arc setweight, wrong#args, missing} {
    SETUP
    catch {mygraph arc setweight} res
    mygraph destroy
    set res
} [tmWrong {arc setweight} {arc weight} 0]

test graph-${impl}-${setimpl}-arc-setweight-1.1 {arc setweight, wrong#args, missing} {
    SETUP
    catch {mygraph arc setweight a} res
    mygraph destroy
    set res
} [tmWrong {arc setweight} {arc weight} 0]

test graph-${impl}-${setimpl}-arc-setweight-1.2 {arc setweight, wrong#args, too many} {
    SETUP
    catch {mygraph arc setweight a b c} res
    mygraph destroy
    set res
} [tmTooMany {arc setweight} {arc weight}]

# -------------------------------------------------------------------------
# Logical arguments checks and failures

test graph-${impl}-${setimpl}-arc-setweight-2.0 {arc setweight, missing arc} {
    SETUP
    catch {mygraph arc setweight a 1} res
    mygraph destroy
    set res
} [MissingArc $MY a]

# -------------------------------------------------------------------------
# Ok arguments.

test graph-${impl}-${setimpl}-arc-setweight-3.0 {arc setweight, arc, set new weight} {
    SETUP
    mygraph node insert 0
    mygraph arc  insert 0 0 a
    set res [mygraph arc hasweight a]
    mygraph arc  setweight a 2
    lappend res [mygraph arc hasweight a]
    lappend res [mygraph arc getweight a]
    mygraph destroy
    set res
} {0 1 2}

test graph-${impl}-${setimpl}-arc-setweight-3.1 {arc setweight, arc, replace existing weight} {
    SETUP
    mygraph node insert 0
    mygraph arc  insert 0 0 a
    mygraph arc  setweight a 2
    set res [mygraph arc hasweight a]
    mygraph arc  setweight a 3
    lappend res [mygraph arc hasweight a]
    lappend res [mygraph arc getweight a]
    mygraph destroy
    set res
} {1 1 3}

# -------------------------------------------------------------------------
