alpar@209: /* -*- mode: C++; indent-tabs-mode: nil; -*- alpar@100: * alpar@209: * This file is a part of LEMON, a generic C++ optimization library. alpar@100: * alpar@761: * Copyright (C) 2003-2011 alpar@100: * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport alpar@100: * (Egervary Research Group on Combinatorial Optimization, EGRES). alpar@100: * alpar@100: * Permission to use, modify and distribute this software is granted alpar@100: * provided that this copyright notice appears in all copies. For alpar@100: * precise terms see the accompanying LICENSE file. alpar@100: * alpar@100: * This software is provided "AS IS" with no warranty of any kind, alpar@100: * express or implied, and with no claim as to its suitability for any alpar@100: * purpose. alpar@100: * alpar@100: */ alpar@100: kpeter@171: #include kpeter@171: #include alpar@100: #include deba@228: #include alpar@100: #include alpar@100: #include kpeter@171: kpeter@171: #include "graph_test.h" kpeter@171: #include "test_tools.h" alpar@100: alpar@100: using namespace lemon; alpar@100: deba@228: char test_lgf[] = deba@228: "@nodes\n" deba@228: "label\n" deba@228: "0\n" deba@228: "1\n" deba@228: "2\n" deba@228: "3\n" deba@228: "4\n" deba@228: "5\n" deba@228: "@arcs\n" deba@228: " label\n" deba@228: "0 1 0\n" deba@228: "1 2 1\n" deba@228: "2 3 2\n" deba@228: "3 4 3\n" deba@228: "0 3 4\n" deba@228: "0 3 5\n" deba@228: "5 2 6\n" deba@228: "@attributes\n" deba@228: "source 0\n" deba@228: "target 4\n"; deba@228: alpar@209: void checkBfsCompile() alpar@100: { alpar@100: typedef concepts::Digraph Digraph; alpar@100: typedef Bfs BType; kpeter@286: typedef Digraph::Node Node; kpeter@286: typedef Digraph::Arc Arc; alpar@209: alpar@100: Digraph G; kpeter@577: Node s, t, n; kpeter@286: Arc e; kpeter@577: int l, i; alpar@100: bool b; alpar@100: BType::DistMap d(G); alpar@100: BType::PredMap p(G); kpeter@286: Path pp; kpeter@577: concepts::ReadMap nm; alpar@209: kpeter@286: { kpeter@286: BType bfs_test(G); kpeter@577: const BType& const_bfs_test = bfs_test; alpar@209: kpeter@286: bfs_test.run(s); kpeter@286: bfs_test.run(s,t); kpeter@286: bfs_test.run(); alpar@209: kpeter@577: bfs_test.init(); kpeter@577: bfs_test.addSource(s); kpeter@577: n = bfs_test.processNextNode(); kpeter@577: n = bfs_test.processNextNode(t, b); kpeter@577: n = bfs_test.processNextNode(nm, n); kpeter@577: n = const_bfs_test.nextNode(); kpeter@577: b = const_bfs_test.emptyQueue(); kpeter@577: i = const_bfs_test.queueSize(); alpar@761: kpeter@577: bfs_test.start(); kpeter@577: bfs_test.start(t); kpeter@577: bfs_test.start(nm); kpeter@577: kpeter@577: l = const_bfs_test.dist(t); kpeter@577: e = const_bfs_test.predArc(t); kpeter@577: s = const_bfs_test.predNode(t); kpeter@577: b = const_bfs_test.reached(t); kpeter@577: d = const_bfs_test.distMap(); kpeter@577: p = const_bfs_test.predMap(); kpeter@577: pp = const_bfs_test.path(t); kpeter@286: } kpeter@286: { kpeter@286: BType kpeter@286: ::SetPredMap > kpeter@286: ::SetDistMap > kpeter@286: ::SetReachedMap > kpeter@577: ::SetStandardProcessedMap kpeter@286: ::SetProcessedMap > kpeter@286: ::Create bfs_test(G); alpar@761: kpeter@577: concepts::ReadWriteMap pred_map; kpeter@577: concepts::ReadWriteMap dist_map; kpeter@577: concepts::ReadWriteMap reached_map; kpeter@577: concepts::WriteMap processed_map; alpar@761: kpeter@577: bfs_test kpeter@577: .predMap(pred_map) kpeter@577: .distMap(dist_map) kpeter@577: .reachedMap(reached_map) kpeter@577: .processedMap(processed_map); alpar@100: kpeter@286: bfs_test.run(s); kpeter@286: bfs_test.run(s,t); kpeter@286: bfs_test.run(); alpar@761: kpeter@577: bfs_test.init(); kpeter@577: bfs_test.addSource(s); kpeter@577: n = bfs_test.processNextNode(); kpeter@577: n = bfs_test.processNextNode(t, b); kpeter@577: n = bfs_test.processNextNode(nm, n); kpeter@577: n = bfs_test.nextNode(); kpeter@577: b = bfs_test.emptyQueue(); kpeter@577: i = bfs_test.queueSize(); alpar@761: kpeter@577: bfs_test.start(); kpeter@577: bfs_test.start(t); kpeter@577: bfs_test.start(nm); kpeter@286: kpeter@286: l = bfs_test.dist(t); kpeter@286: e = bfs_test.predArc(t); kpeter@286: s = bfs_test.predNode(t); kpeter@286: b = bfs_test.reached(t); kpeter@286: pp = bfs_test.path(t); kpeter@286: } alpar@100: } alpar@100: alpar@209: void checkBfsFunctionCompile() alpar@100: { alpar@100: typedef int VType; alpar@100: typedef concepts::Digraph Digraph; alpar@100: typedef Digraph::Arc Arc; alpar@100: typedef Digraph::Node Node; alpar@209: alpar@100: Digraph g; kpeter@278: bool b; kpeter@278: bfs(g).run(Node()); kpeter@278: b=bfs(g).run(Node(),Node()); kpeter@278: bfs(g).run(); alpar@100: bfs(g) kpeter@278: .predMap(concepts::ReadWriteMap()) kpeter@278: .distMap(concepts::ReadWriteMap()) alpar@100: .reachedMap(concepts::ReadWriteMap()) alpar@100: .processedMap(concepts::WriteMap()) alpar@100: .run(Node()); kpeter@278: b=bfs(g) kpeter@278: .predMap(concepts::ReadWriteMap()) kpeter@278: .distMap(concepts::ReadWriteMap()) kpeter@278: .reachedMap(concepts::ReadWriteMap()) kpeter@278: .processedMap(concepts::WriteMap()) kpeter@278: .path(concepts::Path()) kpeter@278: .dist(VType()) kpeter@278: .run(Node(),Node()); kpeter@278: bfs(g) kpeter@278: .predMap(concepts::ReadWriteMap()) kpeter@278: .distMap(concepts::ReadWriteMap()) kpeter@278: .reachedMap(concepts::ReadWriteMap()) kpeter@278: .processedMap(concepts::WriteMap()) kpeter@278: .run(); alpar@100: } alpar@100: kpeter@171: template kpeter@171: void checkBfs() { kpeter@171: TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); alpar@100: alpar@100: Digraph G; alpar@100: Node s, t; alpar@209: deba@228: std::istringstream input(test_lgf); kpeter@293: digraphReader(G, input). deba@228: node("source", s). deba@228: node("target", t). deba@228: run(); alpar@209: alpar@100: Bfs bfs_test(G); alpar@100: bfs_test.run(s); alpar@209: kpeter@278: check(bfs_test.dist(t)==2,"Bfs found a wrong path."); alpar@100: alpar@100: Path p = bfs_test.path(t); deba@228: check(p.length()==2,"path() found a wrong path."); alpar@100: check(checkPath(G, p),"path() found a wrong path."); alpar@100: check(pathSource(G, p) == s,"path() found a wrong path."); alpar@100: check(pathTarget(G, p) == t,"path() found a wrong path."); alpar@209: alpar@100: deba@228: for(ArcIt a(G); a!=INVALID; ++a) { deba@228: Node u=G.source(a); deba@228: Node v=G.target(a); alpar@100: check( !bfs_test.reached(u) || deba@222: (bfs_test.dist(v) <= bfs_test.dist(u)+1), kpeter@278: "Wrong output. " << G.id(u) << "->" << G.id(v)); alpar@100: } alpar@100: deba@222: for(NodeIt v(G); v!=INVALID; ++v) { deba@228: if (bfs_test.reached(v)) { deba@228: check(v==s || bfs_test.predArc(v)!=INVALID, "Wrong tree."); deba@228: if (bfs_test.predArc(v)!=INVALID ) { deba@228: Arc a=bfs_test.predArc(v); deba@228: Node u=G.source(a); deba@228: check(u==bfs_test.predNode(v),"Wrong tree."); deba@228: check(bfs_test.dist(v) - bfs_test.dist(u) == 1, deba@228: "Wrong distance. Difference: " kpeter@278: << std::abs(bfs_test.dist(v) - bfs_test.dist(u) - 1)); deba@228: } alpar@100: } alpar@100: } kpeter@278: kpeter@278: { kpeter@278: NullMap myPredMap; kpeter@278: bfs(G).predMap(myPredMap).run(s); kpeter@278: } alpar@100: } alpar@100: kpeter@171: int main() kpeter@171: { kpeter@171: checkBfs(); kpeter@171: checkBfs(); kpeter@171: return 0; kpeter@171: }