#-*- tcl -*-
#Tests for heuristics of local searching for Traveling Salesman Problem.
#2 and 3 approximation algorithms.
#
# ------------------------------------------------------------------------------------
# Tests concerning returning right values by algorithm

#Test 1.0
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-TSPHeuristic2OPT-1.0 { graph simulation } -setup {
    SETUP_TSPHEURISTIC_1 C
} -body {
    lsort -dict [struct::graph::op::TSPLocalSearching mygraph $C]
} -cleanup {
    mygraph destroy
    unset C
} -result {{a b} {a c} {b e} {c d} {d e}}

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

test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-TSPHeuristic2OPT-2.0 { wrong args, missing } {
    catch {struct::graph::op::TSPLocalSearching} msg
    set msg
} [tcltest::wrongNumArgs struct::graph::op::TSPLocalSearching {G C} 0]

test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-TSPHeuristic2OPT-2.1 { wrong args, missing } {
    catch {struct::graph::op::TSPLocalSearching G} msg
    set msg
} [tcltest::wrongNumArgs struct::graph::op::TSPLocalSearching {G C} 1]

test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-TSPHeuristic2OPT-2.2 { wrong args, too many} {
    catch {struct::graph::op::TSPLocalSearching G a b} msg
    set msg
} [tcltest::tooManyArgs struct::graph::op::TSPLocalSearching {G C}]

# -------------------------------------------------------------------------
# Logical arguments checks and failures
test graphop-t${treeimpl}-g${impl}-s${setimpl}-st${stkimpl}-q${queimpl}-TSPHeuristic2OPT-2.0 { wrong args, missing } -setup {
    SETUP_TSPHEURISTIC_1 C
} -body {
    struct::graph::op::TSPLocalSearching mygraph {h j k}
} -returnCodes error -cleanup {
    mygraph destroy
} -result {Given cycle has arcs not included in graph G.}
