Location: LEMON/LEMON-official/test/graph_test.cc

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kpeter (Peter Kovacs)
Improvements in the heap concept - Better concept checking. - Improved doc.
/* -*- C++ -*-
*
* This file is a part of LEMON, a generic C++ optimization library
*
* Copyright (C) 2003-2008
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
* (Egervary Research Group on Combinatorial Optimization, EGRES).
*
* Permission to use, modify and distribute this software is granted
* provided that this copyright notice appears in all copies. For
* precise terms see the accompanying LICENSE file.
*
* This software is provided "AS IS" with no warranty of any kind,
* express or implied, and with no claim as to its suitability for any
* purpose.
*
*/
#include <lemon/concepts/graph.h>
#include <lemon/list_graph.h>
// #include <lemon/smart_graph.h>
// #include <lemon/full_graph.h>
// #include <lemon/grid_graph.h>
//#include <lemon/graph_utils.h>
#include "test_tools.h"
using namespace lemon;
using namespace lemon::concepts;
void check_concepts() {
{ // checking digraph components
checkConcept<BaseGraphComponent, BaseGraphComponent >();
checkConcept<IDableGraphComponent<>,
IDableGraphComponent<> >();
checkConcept<IterableGraphComponent<>,
IterableGraphComponent<> >();
checkConcept<MappableGraphComponent<>,
MappableGraphComponent<> >();
}
{
checkConcept<Graph, ListGraph>();
// checkConcept<Graph, SmartGraph>();
// checkConcept<Graph, FullGraph>();
// checkConcept<Graph, Graph>();
// checkConcept<Graph, GridGraph>();
}
}
template <typename Graph>
void check_item_counts(Graph &g, int n, int e) {
int nn = 0;
for (typename Graph::NodeIt it(g); it != INVALID; ++it) {
++nn;
}
check(nn == n, "Wrong node number.");
// check(countNodes(g) == n, "Wrong node number.");
int ee = 0;
for (typename Graph::ArcIt it(g); it != INVALID; ++it) {
++ee;
}
check(ee == 2*e, "Wrong arc number.");
// check(countArcs(g) == 2*e, "Wrong arc number.");
int uee = 0;
for (typename Graph::EdgeIt it(g); it != INVALID; ++it) {
++uee;
}
check(uee == e, "Wrong edge number.");
// check(countEdges(g) == e, "Wrong edge number.");
}
template <typename Graph>
void print_items(Graph &g) {
typedef typename Graph::NodeIt NodeIt;
typedef typename Graph::EdgeIt EdgeIt;
typedef typename Graph::ArcIt ArcIt;
std::cout << "Nodes" << std::endl;
int i=0;
for(NodeIt it(g); it!=INVALID; ++it, ++i) {
std::cout << " " << i << ": " << g.id(it) << std::endl;
}
std::cout << "Edge" << std::endl;
i=0;
for(EdgeIt it(g); it!=INVALID; ++it, ++i) {
std::cout << " " << i << ": " << g.id(it)
<< " (" << g.id(g.source(it)) << ", " << g.id(g.target(it))
<< ")" << std::endl;
}
std::cout << "Arc" << std::endl;
i=0;
for(ArcIt it(g); it!=INVALID; ++it, ++i) {
std::cout << " " << i << ": " << g.id(it)
<< " (" << g.id(g.source(it)) << ", " << g.id(g.target(it))
<< ")" << std::endl;
}
}
template <typename Graph>
void check_graph() {
typedef typename Graph::Node Node;
typedef typename Graph::Edge Edge;
typedef typename Graph::Arc Arc;
typedef typename Graph::NodeIt NodeIt;
typedef typename Graph::EdgeIt EdgeIt;
typedef typename Graph::ArcIt ArcIt;
Graph g;
check_item_counts(g,0,0);
Node
n1 = g.addNode(),
n2 = g.addNode(),
n3 = g.addNode();
Edge
e1 = g.addEdge(n1, n2),
e2 = g.addEdge(n2, n3);
// print_items(g);
check_item_counts(g,3,2);
}
// void checkGridGraph(const GridGraph& g, int w, int h) {
// check(g.width() == w, "Wrong width");
// check(g.height() == h, "Wrong height");
// for (int i = 0; i < w; ++i) {
// for (int j = 0; j < h; ++j) {
// check(g.col(g(i, j)) == i, "Wrong col");
// check(g.row(g(i, j)) == j, "Wrong row");
// }
// }
// for (int i = 0; i < w; ++i) {
// for (int j = 0; j < h - 1; ++j) {
// check(g.source(g.down(g(i, j))) == g(i, j), "Wrong down");
// check(g.target(g.down(g(i, j))) == g(i, j + 1), "Wrong down");
// }
// check(g.down(g(i, h - 1)) == INVALID, "Wrong down");
// }
// for (int i = 0; i < w; ++i) {
// for (int j = 1; j < h; ++j) {
// check(g.source(g.up(g(i, j))) == g(i, j), "Wrong up");
// check(g.target(g.up(g(i, j))) == g(i, j - 1), "Wrong up");
// }
// check(g.up(g(i, 0)) == INVALID, "Wrong up");
// }
// for (int j = 0; j < h; ++j) {
// for (int i = 0; i < w - 1; ++i) {
// check(g.source(g.right(g(i, j))) == g(i, j), "Wrong right");
// check(g.target(g.right(g(i, j))) == g(i + 1, j), "Wrong right");
// }
// check(g.right(g(w - 1, j)) == INVALID, "Wrong right");
// }
// for (int j = 0; j < h; ++j) {
// for (int i = 1; i < w; ++i) {
// check(g.source(g.left(g(i, j))) == g(i, j), "Wrong left");
// check(g.target(g.left(g(i, j))) == g(i - 1, j), "Wrong left");
// }
// check(g.left(g(0, j)) == INVALID, "Wrong left");
// }
// }
int main() {
check_concepts();
check_graph<ListGraph>();
// check_graph<SmartGraph>();
// {
// FullGraph g(5);
// check_item_counts(g, 5, 10);
// }
// {
// GridGraph g(5, 6);
// check_item_counts(g, 30, 49);
// checkGridGraph(g, 5, 6);
// }
std::cout << __FILE__ ": All tests passed.\n";
return 0;
}