alpar@209: /* -*- mode: C++; indent-tabs-mode: nil; -*-
deba@57:  *
alpar@209:  * This file is a part of LEMON, a generic C++ optimization library.
deba@57:  *
alpar@440:  * Copyright (C) 2003-2009
deba@57:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@57:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@57:  *
deba@57:  * Permission to use, modify and distribute this software is granted
deba@57:  * provided that this copyright notice appears in all copies. For
deba@57:  * precise terms see the accompanying LICENSE file.
deba@57:  *
deba@57:  * This software is provided "AS IS" with no warranty of any kind,
deba@57:  * express or implied, and with no claim as to its suitability for any
deba@57:  * purpose.
deba@57:  *
deba@57:  */
deba@57: 
deba@57: #include <lemon/concepts/digraph.h>
deba@57: #include <lemon/list_graph.h>
kpeter@171: #include <lemon/smart_graph.h>
deba@353: #include <lemon/full_graph.h>
deba@57: 
deba@57: #include "test_tools.h"
kpeter@171: #include "graph_test.h"
deba@57: 
deba@57: using namespace lemon;
deba@57: using namespace lemon::concepts;
deba@57: 
deba@228: template <class Digraph>
kpeter@374: void checkDigraphBuild() {
deba@228:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
deba@228:   Digraph G;
deba@228: 
deba@228:   checkGraphNodeList(G, 0);
deba@228:   checkGraphArcList(G, 0);
deba@228: 
kpeter@736:   G.reserveNode(3);
kpeter@736:   G.reserveArc(4);
kpeter@736: 
deba@228:   Node
deba@228:     n1 = G.addNode(),
deba@228:     n2 = G.addNode(),
deba@228:     n3 = G.addNode();
deba@228:   checkGraphNodeList(G, 3);
deba@228:   checkGraphArcList(G, 0);
deba@228: 
deba@228:   Arc a1 = G.addArc(n1, n2);
deba@228:   check(G.source(a1) == n1 && G.target(a1) == n2, "Wrong arc");
deba@228:   checkGraphNodeList(G, 3);
deba@228:   checkGraphArcList(G, 1);
deba@228: 
deba@228:   checkGraphOutArcList(G, n1, 1);
deba@228:   checkGraphOutArcList(G, n2, 0);
deba@228:   checkGraphOutArcList(G, n3, 0);
deba@228: 
deba@228:   checkGraphInArcList(G, n1, 0);
deba@228:   checkGraphInArcList(G, n2, 1);
deba@228:   checkGraphInArcList(G, n3, 0);
deba@228: 
deba@228:   checkGraphConArcList(G, 1);
deba@228: 
kpeter@374:   Arc a2 = G.addArc(n2, n1),
kpeter@374:       a3 = G.addArc(n2, n3),
kpeter@374:       a4 = G.addArc(n2, n3);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 3);
kpeter@374:   checkGraphArcList(G, 4);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 1);
kpeter@374:   checkGraphOutArcList(G, n2, 3);
kpeter@374:   checkGraphOutArcList(G, n3, 0);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 1);
kpeter@374:   checkGraphInArcList(G, n2, 1);
kpeter@374:   checkGraphInArcList(G, n3, 2);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 4);
kpeter@374: 
kpeter@374:   checkNodeIds(G);
kpeter@374:   checkArcIds(G);
kpeter@374:   checkGraphNodeMap(G);
kpeter@374:   checkGraphArcMap(G);
kpeter@374: }
kpeter@374: 
kpeter@374: template <class Digraph>
kpeter@374: void checkDigraphSplit() {
kpeter@374:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
kpeter@374: 
kpeter@374:   Digraph G;
kpeter@374:   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();
kpeter@374:   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1),
kpeter@374:       a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3);
kpeter@374: 
kpeter@374:   Node n4 = G.split(n2);
kpeter@374: 
kpeter@374:   check(G.target(OutArcIt(G, n2)) == n4 &&
kpeter@374:         G.source(InArcIt(G, n4)) == n2,
kpeter@374:         "Wrong split.");
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 5);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 1);
kpeter@374:   checkGraphOutArcList(G, n2, 1);
kpeter@374:   checkGraphOutArcList(G, n3, 0);
kpeter@374:   checkGraphOutArcList(G, n4, 3);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 1);
kpeter@374:   checkGraphInArcList(G, n2, 1);
kpeter@374:   checkGraphInArcList(G, n3, 2);
kpeter@374:   checkGraphInArcList(G, n4, 1);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 5);
kpeter@374: }
kpeter@374: 
kpeter@374: template <class Digraph>
kpeter@374: void checkDigraphAlter() {
kpeter@374:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
kpeter@374: 
kpeter@374:   Digraph G;
kpeter@374:   Node n1 = G.addNode(), n2 = G.addNode(),
kpeter@374:        n3 = G.addNode(), n4 = G.addNode();
kpeter@374:   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1),
kpeter@374:       a3 = G.addArc(n4, n3), a4 = G.addArc(n4, n3),
kpeter@374:       a5 = G.addArc(n2, n4);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 5);
kpeter@374: 
kpeter@374:   // Check changeSource() and changeTarget()
kpeter@374:   G.changeTarget(a4, n1);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 5);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 1);
kpeter@374:   checkGraphOutArcList(G, n2, 1);
kpeter@374:   checkGraphOutArcList(G, n3, 0);
kpeter@374:   checkGraphOutArcList(G, n4, 3);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 2);
kpeter@374:   checkGraphInArcList(G, n2, 1);
kpeter@374:   checkGraphInArcList(G, n3, 1);
kpeter@374:   checkGraphInArcList(G, n4, 1);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 5);
kpeter@374: 
kpeter@374:   G.changeSource(a4, n3);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 5);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 1);
kpeter@374:   checkGraphOutArcList(G, n2, 1);
kpeter@374:   checkGraphOutArcList(G, n3, 1);
kpeter@374:   checkGraphOutArcList(G, n4, 2);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 2);
kpeter@374:   checkGraphInArcList(G, n2, 1);
kpeter@374:   checkGraphInArcList(G, n3, 1);
kpeter@374:   checkGraphInArcList(G, n4, 1);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 5);
kpeter@374: 
kpeter@374:   // Check contract()
kpeter@374:   G.contract(n2, n4, false);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 3);
kpeter@374:   checkGraphArcList(G, 5);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 1);
kpeter@374:   checkGraphOutArcList(G, n2, 3);
kpeter@374:   checkGraphOutArcList(G, n3, 1);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 2);
kpeter@374:   checkGraphInArcList(G, n2, 2);
kpeter@374:   checkGraphInArcList(G, n3, 1);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 5);
kpeter@374: 
kpeter@374:   G.contract(n2, n1);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 2);
kpeter@374:   checkGraphArcList(G, 3);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n2, 2);
kpeter@374:   checkGraphOutArcList(G, n3, 1);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n2, 2);
kpeter@374:   checkGraphInArcList(G, n3, 1);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 3);
kpeter@374: }
kpeter@374: 
kpeter@374: template <class Digraph>
kpeter@374: void checkDigraphErase() {
kpeter@374:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
kpeter@374: 
kpeter@374:   Digraph G;
kpeter@374:   Node n1 = G.addNode(), n2 = G.addNode(),
kpeter@374:        n3 = G.addNode(), n4 = G.addNode();
kpeter@374:   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1),
kpeter@374:       a3 = G.addArc(n4, n3), a4 = G.addArc(n3, n1),
kpeter@374:       a5 = G.addArc(n2, n4);
kpeter@374: 
kpeter@374:   // Check arc deletion
kpeter@374:   G.erase(a1);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 4);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 0);
kpeter@374:   checkGraphOutArcList(G, n2, 1);
kpeter@374:   checkGraphOutArcList(G, n3, 1);
kpeter@374:   checkGraphOutArcList(G, n4, 2);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 2);
kpeter@374:   checkGraphInArcList(G, n2, 0);
kpeter@374:   checkGraphInArcList(G, n3, 1);
kpeter@374:   checkGraphInArcList(G, n4, 1);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 4);
kpeter@374: 
kpeter@374:   // Check node deletion
kpeter@374:   G.erase(n4);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 3);
kpeter@374:   checkGraphArcList(G, 1);
kpeter@374: 
kpeter@374:   checkGraphOutArcList(G, n1, 0);
kpeter@374:   checkGraphOutArcList(G, n2, 0);
kpeter@374:   checkGraphOutArcList(G, n3, 1);
kpeter@374:   checkGraphOutArcList(G, n4, 0);
kpeter@374: 
kpeter@374:   checkGraphInArcList(G, n1, 1);
kpeter@374:   checkGraphInArcList(G, n2, 0);
kpeter@374:   checkGraphInArcList(G, n3, 0);
kpeter@374:   checkGraphInArcList(G, n4, 0);
kpeter@374: 
kpeter@374:   checkGraphConArcList(G, 1);
kpeter@374: }
kpeter@374: 
kpeter@374: 
kpeter@374: template <class Digraph>
kpeter@374: void checkDigraphSnapshot() {
kpeter@374:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
kpeter@374: 
kpeter@374:   Digraph G;
kpeter@374:   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();
kpeter@374:   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1),
kpeter@374:       a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3);
kpeter@374: 
kpeter@374:   typename Digraph::Snapshot snapshot(G);
kpeter@374: 
kpeter@374:   Node n = G.addNode();
kpeter@374:   G.addArc(n3, n);
kpeter@374:   G.addArc(n, n3);
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 6);
kpeter@374: 
kpeter@374:   snapshot.restore();
kpeter@374: 
deba@228:   checkGraphNodeList(G, 3);
deba@228:   checkGraphArcList(G, 4);
deba@228: 
deba@228:   checkGraphOutArcList(G, n1, 1);
deba@228:   checkGraphOutArcList(G, n2, 3);
deba@228:   checkGraphOutArcList(G, n3, 0);
deba@228: 
deba@228:   checkGraphInArcList(G, n1, 1);
deba@228:   checkGraphInArcList(G, n2, 1);
deba@228:   checkGraphInArcList(G, n3, 2);
deba@228: 
deba@228:   checkGraphConArcList(G, 4);
deba@228: 
deba@228:   checkNodeIds(G);
deba@228:   checkArcIds(G);
deba@228:   checkGraphNodeMap(G);
deba@228:   checkGraphArcMap(G);
deba@228: 
kpeter@374:   G.addNode();
kpeter@374:   snapshot.save(G);
kpeter@374: 
kpeter@374:   G.addArc(G.addNode(), G.addNode());
kpeter@374: 
kpeter@374:   snapshot.restore();
kpeter@740:   snapshot.save(G);
kpeter@740: 
kpeter@740:   checkGraphNodeList(G, 4);
kpeter@740:   checkGraphArcList(G, 4);
kpeter@740: 
kpeter@740:   G.addArc(G.addNode(), G.addNode());
kpeter@740: 
kpeter@740:   snapshot.restore();
kpeter@374: 
kpeter@374:   checkGraphNodeList(G, 4);
kpeter@374:   checkGraphArcList(G, 4);
deba@228: }
deba@228: 
deba@228: void checkConcepts() {
kpeter@171:   { // Checking digraph components
deba@57:     checkConcept<BaseDigraphComponent, BaseDigraphComponent >();
deba@57: 
alpar@209:     checkConcept<IDableDigraphComponent<>,
deba@57:       IDableDigraphComponent<> >();
deba@57: 
alpar@209:     checkConcept<IterableDigraphComponent<>,
deba@57:       IterableDigraphComponent<> >();
deba@57: 
alpar@209:     checkConcept<MappableDigraphComponent<>,
deba@57:       MappableDigraphComponent<> >();
deba@57:   }
kpeter@171:   { // Checking skeleton digraph
deba@57:     checkConcept<Digraph, Digraph>();
deba@57:   }
kpeter@171:   { // Checking ListDigraph
kpeter@171:     checkConcept<Digraph, ListDigraph>();
deba@57:     checkConcept<AlterableDigraphComponent<>, ListDigraph>();
deba@57:     checkConcept<ExtendableDigraphComponent<>, ListDigraph>();
deba@57:     checkConcept<ClearableDigraphComponent<>, ListDigraph>();
deba@57:     checkConcept<ErasableDigraphComponent<>, ListDigraph>();
kpeter@171:   }
kpeter@171:   { // Checking SmartDigraph
kpeter@171:     checkConcept<Digraph, SmartDigraph>();
kpeter@171:     checkConcept<AlterableDigraphComponent<>, SmartDigraph>();
kpeter@171:     checkConcept<ExtendableDigraphComponent<>, SmartDigraph>();
kpeter@171:     checkConcept<ClearableDigraphComponent<>, SmartDigraph>();
kpeter@171:   }
kpeter@354:   { // Checking FullDigraph
kpeter@354:     checkConcept<Digraph, FullDigraph>();
kpeter@354:   }
kpeter@171: }
deba@57: 
kpeter@171: template <typename Digraph>
deba@228: void checkDigraphValidity() {
kpeter@171:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
kpeter@171:   Digraph g;
kpeter@171: 
kpeter@171:   Node
kpeter@171:     n1 = g.addNode(),
kpeter@171:     n2 = g.addNode(),
kpeter@171:     n3 = g.addNode();
kpeter@171: 
kpeter@171:   Arc
kpeter@171:     e1 = g.addArc(n1, n2),
kpeter@171:     e2 = g.addArc(n2, n3);
kpeter@171: 
kpeter@171:   check(g.valid(n1), "Wrong validity check");
kpeter@171:   check(g.valid(e1), "Wrong validity check");
kpeter@171: 
kpeter@171:   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
kpeter@171:   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
kpeter@171: }
kpeter@171: 
kpeter@171: template <typename Digraph>
deba@228: void checkDigraphValidityErase() {
kpeter@171:   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
kpeter@171:   Digraph g;
kpeter@171: 
kpeter@171:   Node
kpeter@171:     n1 = g.addNode(),
kpeter@171:     n2 = g.addNode(),
kpeter@171:     n3 = g.addNode();
kpeter@171: 
kpeter@171:   Arc
kpeter@171:     e1 = g.addArc(n1, n2),
kpeter@171:     e2 = g.addArc(n2, n3);
kpeter@171: 
kpeter@171:   check(g.valid(n1), "Wrong validity check");
kpeter@171:   check(g.valid(e1), "Wrong validity check");
kpeter@171: 
kpeter@171:   g.erase(n1);
kpeter@171: 
kpeter@171:   check(!g.valid(n1), "Wrong validity check");
kpeter@171:   check(g.valid(n2), "Wrong validity check");
kpeter@171:   check(g.valid(n3), "Wrong validity check");
kpeter@171:   check(!g.valid(e1), "Wrong validity check");
kpeter@171:   check(g.valid(e2), "Wrong validity check");
kpeter@171: 
kpeter@171:   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
kpeter@171:   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
kpeter@171: }
kpeter@171: 
alpar@375: void checkFullDigraph(int num) {
alpar@375:   typedef FullDigraph Digraph;
alpar@375:   DIGRAPH_TYPEDEFS(Digraph);
kpeter@737: 
alpar@375:   Digraph G(num);
kpeter@737:   check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size");
kpeter@737: 
kpeter@737:   G.resize(num);
kpeter@737:   check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size");
alpar@375: 
alpar@375:   checkGraphNodeList(G, num);
alpar@375:   checkGraphArcList(G, num * num);
alpar@375: 
alpar@375:   for (NodeIt n(G); n != INVALID; ++n) {
alpar@375:     checkGraphOutArcList(G, n, num);
alpar@375:     checkGraphInArcList(G, n, num);
alpar@375:   }
alpar@375: 
alpar@375:   checkGraphConArcList(G, num * num);
alpar@375: 
alpar@375:   checkNodeIds(G);
alpar@375:   checkArcIds(G);
alpar@375:   checkGraphNodeMap(G);
alpar@375:   checkGraphArcMap(G);
alpar@375: 
alpar@375:   for (int i = 0; i < G.nodeNum(); ++i) {
alpar@375:     check(G.index(G(i)) == i, "Wrong index");
alpar@375:   }
alpar@375: 
alpar@375:   for (NodeIt s(G); s != INVALID; ++s) {
alpar@375:     for (NodeIt t(G); t != INVALID; ++t) {
alpar@375:       Arc a = G.arc(s, t);
alpar@375:       check(G.source(a) == s && G.target(a) == t, "Wrong arc lookup");
alpar@375:     }
alpar@375:   }
alpar@375: }
alpar@375: 
deba@228: void checkDigraphs() {
kpeter@171:   { // Checking ListDigraph
kpeter@374:     checkDigraphBuild<ListDigraph>();
kpeter@374:     checkDigraphSplit<ListDigraph>();
kpeter@374:     checkDigraphAlter<ListDigraph>();
kpeter@374:     checkDigraphErase<ListDigraph>();
kpeter@374:     checkDigraphSnapshot<ListDigraph>();
deba@228:     checkDigraphValidityErase<ListDigraph>();
deba@57:   }
kpeter@171:   { // Checking SmartDigraph
kpeter@374:     checkDigraphBuild<SmartDigraph>();
kpeter@374:     checkDigraphSplit<SmartDigraph>();
kpeter@374:     checkDigraphSnapshot<SmartDigraph>();
deba@228:     checkDigraphValidity<SmartDigraph>();
kpeter@171:   }
deba@353:   { // Checking FullDigraph
deba@353:     checkFullDigraph(8);
deba@353:   }
kpeter@171: }
deba@57: 
kpeter@171: int main() {
deba@228:   checkDigraphs();
deba@228:   checkConcepts();
deba@57:   return 0;
deba@57: }