test/graph_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Wed, 05 Oct 2011 12:02:56 +0200
changeset 1086 08cbd48f51f0
parent 209 765619b7cbb2
child 346 ada5f74d1c9e
child 365 37557a46e298
child 387 49d9a36b3b84
permissions -rw-r--r--
Add lemon/lemon.pc.cmake to the release tarball (#428)
     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
     2  *
     3  * This file is a part of LEMON, a generic C++ optimization library.
     4  *
     5  * Copyright (C) 2003-2008
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     8  *
     9  * Permission to use, modify and distribute this software is granted
    10  * provided that this copyright notice appears in all copies. For
    11  * precise terms see the accompanying LICENSE file.
    12  *
    13  * This software is provided "AS IS" with no warranty of any kind,
    14  * express or implied, and with no claim as to its suitability for any
    15  * purpose.
    16  *
    17  */
    18 
    19 #include <lemon/concepts/graph.h>
    20 #include <lemon/list_graph.h>
    21 #include <lemon/smart_graph.h>
    22 // #include <lemon/full_graph.h>
    23 // #include <lemon/grid_graph.h>
    24 
    25 #include "test_tools.h"
    26 #include "graph_test.h"
    27 
    28 using namespace lemon;
    29 using namespace lemon::concepts;
    30 
    31 template <class Graph>
    32 void checkGraph() {
    33   TEMPLATE_GRAPH_TYPEDEFS(Graph);
    34 
    35   Graph G;
    36   checkGraphNodeList(G, 0);
    37   checkGraphEdgeList(G, 0);
    38 
    39   Node
    40     n1 = G.addNode(),
    41     n2 = G.addNode(),
    42     n3 = G.addNode();
    43   checkGraphNodeList(G, 3);
    44   checkGraphEdgeList(G, 0);
    45 
    46   Edge e1 = G.addEdge(n1, n2);
    47   check((G.u(e1) == n1 && G.v(e1) == n2) || (G.u(e1) == n2 && G.v(e1) == n1),
    48         "Wrong edge");
    49   checkGraphNodeList(G, 3);
    50   checkGraphArcList(G, 2);
    51   checkGraphEdgeList(G, 1);
    52 
    53   checkGraphOutArcList(G, n1, 1);
    54   checkGraphOutArcList(G, n2, 1);
    55   checkGraphOutArcList(G, n3, 0);
    56 
    57   checkGraphInArcList(G, n1, 1);
    58   checkGraphInArcList(G, n2, 1);
    59   checkGraphInArcList(G, n3, 0);
    60 
    61   checkGraphIncEdgeList(G, n1, 1);
    62   checkGraphIncEdgeList(G, n2, 1);
    63   checkGraphIncEdgeList(G, n3, 0);
    64 
    65   checkGraphConArcList(G, 2);
    66   checkGraphConEdgeList(G, 1);
    67 
    68   Edge e2 = G.addEdge(n2, n1), e3 = G.addEdge(n2, n3);
    69   checkGraphNodeList(G, 3);
    70   checkGraphArcList(G, 6);
    71   checkGraphEdgeList(G, 3);
    72 
    73   checkGraphOutArcList(G, n1, 2);
    74   checkGraphOutArcList(G, n2, 3);
    75   checkGraphOutArcList(G, n3, 1);
    76 
    77   checkGraphInArcList(G, n1, 2);
    78   checkGraphInArcList(G, n2, 3);
    79   checkGraphInArcList(G, n3, 1);
    80 
    81   checkGraphIncEdgeList(G, n1, 2);
    82   checkGraphIncEdgeList(G, n2, 3);
    83   checkGraphIncEdgeList(G, n3, 1);
    84 
    85   checkGraphConArcList(G, 6);
    86   checkGraphConEdgeList(G, 3);
    87 
    88   checkArcDirections(G);
    89 
    90   checkNodeIds(G);
    91   checkArcIds(G);
    92   checkEdgeIds(G);
    93   checkGraphNodeMap(G);
    94   checkGraphArcMap(G);
    95   checkGraphEdgeMap(G);
    96 }
    97 
    98 void checkConcepts() {
    99   { // Checking graph components
   100     checkConcept<BaseGraphComponent, BaseGraphComponent >();
   101 
   102     checkConcept<IDableGraphComponent<>,
   103       IDableGraphComponent<> >();
   104 
   105     checkConcept<IterableGraphComponent<>,
   106       IterableGraphComponent<> >();
   107 
   108     checkConcept<MappableGraphComponent<>,
   109       MappableGraphComponent<> >();
   110   }
   111   { // Checking skeleton graph
   112     checkConcept<Graph, Graph>();
   113   }
   114   { // Checking ListGraph
   115     checkConcept<Graph, ListGraph>();
   116     checkConcept<AlterableGraphComponent<>, ListGraph>();
   117     checkConcept<ExtendableGraphComponent<>, ListGraph>();
   118     checkConcept<ClearableGraphComponent<>, ListGraph>();
   119     checkConcept<ErasableGraphComponent<>, ListGraph>();
   120   }
   121   { // Checking SmartGraph
   122     checkConcept<Graph, SmartGraph>();
   123     checkConcept<AlterableGraphComponent<>, SmartGraph>();
   124     checkConcept<ExtendableGraphComponent<>, SmartGraph>();
   125     checkConcept<ClearableGraphComponent<>, SmartGraph>();
   126   }
   127 //  { // Checking FullGraph
   128 //    checkConcept<Graph, FullGraph>();
   129 //    checkGraphIterators<FullGraph>();
   130 //  }
   131 //  { // Checking GridGraph
   132 //    checkConcept<Graph, GridGraph>();
   133 //    checkGraphIterators<GridGraph>();
   134 //  }
   135 }
   136 
   137 template <typename Graph>
   138 void checkGraphValidity() {
   139   TEMPLATE_GRAPH_TYPEDEFS(Graph);
   140   Graph g;
   141 
   142   Node
   143     n1 = g.addNode(),
   144     n2 = g.addNode(),
   145     n3 = g.addNode();
   146 
   147   Edge
   148     e1 = g.addEdge(n1, n2),
   149     e2 = g.addEdge(n2, n3);
   150 
   151   check(g.valid(n1), "Wrong validity check");
   152   check(g.valid(e1), "Wrong validity check");
   153   check(g.valid(g.direct(e1, true)), "Wrong validity check");
   154 
   155   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
   156   check(!g.valid(g.edgeFromId(-1)), "Wrong validity check");
   157   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
   158 }
   159 
   160 template <typename Graph>
   161 void checkGraphValidityErase() {
   162   TEMPLATE_GRAPH_TYPEDEFS(Graph);
   163   Graph g;
   164 
   165   Node
   166     n1 = g.addNode(),
   167     n2 = g.addNode(),
   168     n3 = g.addNode();
   169 
   170   Edge
   171     e1 = g.addEdge(n1, n2),
   172     e2 = g.addEdge(n2, n3);
   173 
   174   check(g.valid(n1), "Wrong validity check");
   175   check(g.valid(e1), "Wrong validity check");
   176   check(g.valid(g.direct(e1, true)), "Wrong validity check");
   177 
   178   g.erase(n1);
   179 
   180   check(!g.valid(n1), "Wrong validity check");
   181   check(g.valid(n2), "Wrong validity check");
   182   check(g.valid(n3), "Wrong validity check");
   183   check(!g.valid(e1), "Wrong validity check");
   184   check(g.valid(e2), "Wrong validity check");
   185 
   186   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
   187   check(!g.valid(g.edgeFromId(-1)), "Wrong validity check");
   188   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
   189 }
   190 
   191 // void checkGridGraph(const GridGraph& g, int w, int h) {
   192 //   check(g.width() == w, "Wrong width");
   193 //   check(g.height() == h, "Wrong height");
   194 
   195 //   for (int i = 0; i < w; ++i) {
   196 //     for (int j = 0; j < h; ++j) {
   197 //       check(g.col(g(i, j)) == i, "Wrong col");
   198 //       check(g.row(g(i, j)) == j, "Wrong row");
   199 //     }
   200 //   }
   201 
   202 //   for (int i = 0; i < w; ++i) {
   203 //     for (int j = 0; j < h - 1; ++j) {
   204 //       check(g.source(g.down(g(i, j))) == g(i, j), "Wrong down");
   205 //       check(g.target(g.down(g(i, j))) == g(i, j + 1), "Wrong down");
   206 //     }
   207 //     check(g.down(g(i, h - 1)) == INVALID, "Wrong down");
   208 //   }
   209 
   210 //   for (int i = 0; i < w; ++i) {
   211 //     for (int j = 1; j < h; ++j) {
   212 //       check(g.source(g.up(g(i, j))) == g(i, j), "Wrong up");
   213 //       check(g.target(g.up(g(i, j))) == g(i, j - 1), "Wrong up");
   214 //     }
   215 //     check(g.up(g(i, 0)) == INVALID, "Wrong up");
   216 //   }
   217 
   218 //   for (int j = 0; j < h; ++j) {
   219 //     for (int i = 0; i < w - 1; ++i) {
   220 //       check(g.source(g.right(g(i, j))) == g(i, j), "Wrong right");
   221 //       check(g.target(g.right(g(i, j))) == g(i + 1, j), "Wrong right");
   222 //     }
   223 //     check(g.right(g(w - 1, j)) == INVALID, "Wrong right");
   224 //   }
   225 
   226 //   for (int j = 0; j < h; ++j) {
   227 //     for (int i = 1; i < w; ++i) {
   228 //       check(g.source(g.left(g(i, j))) == g(i, j), "Wrong left");
   229 //       check(g.target(g.left(g(i, j))) == g(i - 1, j), "Wrong left");
   230 //     }
   231 //     check(g.left(g(0, j)) == INVALID, "Wrong left");
   232 //   }
   233 // }
   234 
   235 void checkGraphs() {
   236   { // Checking ListGraph
   237     checkGraph<ListGraph>();
   238     checkGraphValidityErase<ListGraph>();
   239   }
   240   { // Checking SmartGraph
   241     checkGraph<SmartGraph>();
   242     checkGraphValidity<SmartGraph>();
   243   }
   244 //   { // Checking FullGraph
   245 //     FullGraph g(5);
   246 //     checkGraphNodeList(g, 5);
   247 //     checkGraphEdgeList(g, 10);
   248 //   }
   249 //   { // Checking GridGraph
   250 //     GridGraph g(5, 6);
   251 //     checkGraphNodeList(g, 30);
   252 //     checkGraphEdgeList(g, 49);
   253 //     checkGridGraph(g, 5, 6);
   254 //   }
   255 }
   256 
   257 int main() {
   258   checkConcepts();
   259   checkGraphs();
   260   return 0;
   261 }