test/graph_test.cc
author Peter Kovacs <kpeter@inf.elte.hu>
Tue, 02 Sep 2008 22:32:04 +0200
changeset 346 ada5f74d1c9e
parent 228 b6732e0d38c5
child 347 160bf92c7cdc
permissions -rw-r--r--
Port grid graph structure from SVN 3503 (ticket #57)
     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 //  }
   130   { // Checking GridGraph
   131     checkConcept<Graph, GridGraph>();
   132   }
   133 }
   134 
   135 template <typename Graph>
   136 void checkGraphValidity() {
   137   TEMPLATE_GRAPH_TYPEDEFS(Graph);
   138   Graph g;
   139 
   140   Node
   141     n1 = g.addNode(),
   142     n2 = g.addNode(),
   143     n3 = g.addNode();
   144 
   145   Edge
   146     e1 = g.addEdge(n1, n2),
   147     e2 = g.addEdge(n2, n3);
   148 
   149   check(g.valid(n1), "Wrong validity check");
   150   check(g.valid(e1), "Wrong validity check");
   151   check(g.valid(g.direct(e1, true)), "Wrong validity check");
   152 
   153   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
   154   check(!g.valid(g.edgeFromId(-1)), "Wrong validity check");
   155   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
   156 }
   157 
   158 template <typename Graph>
   159 void checkGraphValidityErase() {
   160   TEMPLATE_GRAPH_TYPEDEFS(Graph);
   161   Graph g;
   162 
   163   Node
   164     n1 = g.addNode(),
   165     n2 = g.addNode(),
   166     n3 = g.addNode();
   167 
   168   Edge
   169     e1 = g.addEdge(n1, n2),
   170     e2 = g.addEdge(n2, n3);
   171 
   172   check(g.valid(n1), "Wrong validity check");
   173   check(g.valid(e1), "Wrong validity check");
   174   check(g.valid(g.direct(e1, true)), "Wrong validity check");
   175 
   176   g.erase(n1);
   177 
   178   check(!g.valid(n1), "Wrong validity check");
   179   check(g.valid(n2), "Wrong validity check");
   180   check(g.valid(n3), "Wrong validity check");
   181   check(!g.valid(e1), "Wrong validity check");
   182   check(g.valid(e2), "Wrong validity check");
   183 
   184   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
   185   check(!g.valid(g.edgeFromId(-1)), "Wrong validity check");
   186   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
   187 }
   188 
   189 void checkGridGraph(const GridGraph& g, int w, int h) {
   190   check(g.width() == w, "Wrong width");
   191   check(g.height() == h, "Wrong height");
   192 
   193   for (int i = 0; i < w; ++i) {
   194     for (int j = 0; j < h; ++j) {
   195       check(g.col(g(i, j)) == i, "Wrong col");
   196       check(g.row(g(i, j)) == j, "Wrong row");
   197     }
   198   }
   199 
   200   for (int i = 0; i < w; ++i) {
   201     for (int j = 0; j < h - 1; ++j) {
   202       check(g.source(g.down(g(i, j))) == g(i, j), "Wrong down");
   203       check(g.target(g.down(g(i, j))) == g(i, j + 1), "Wrong down");
   204     }
   205     check(g.down(g(i, h - 1)) == INVALID, "Wrong down");
   206   }
   207 
   208   for (int i = 0; i < w; ++i) {
   209     for (int j = 1; j < h; ++j) {
   210       check(g.source(g.up(g(i, j))) == g(i, j), "Wrong up");
   211       check(g.target(g.up(g(i, j))) == g(i, j - 1), "Wrong up");
   212     }
   213     check(g.up(g(i, 0)) == INVALID, "Wrong up");
   214   }
   215 
   216   for (int j = 0; j < h; ++j) {
   217     for (int i = 0; i < w - 1; ++i) {
   218       check(g.source(g.right(g(i, j))) == g(i, j), "Wrong right");
   219       check(g.target(g.right(g(i, j))) == g(i + 1, j), "Wrong right");
   220     }
   221     check(g.right(g(w - 1, j)) == INVALID, "Wrong right");
   222   }
   223 
   224   for (int j = 0; j < h; ++j) {
   225     for (int i = 1; i < w; ++i) {
   226       check(g.source(g.left(g(i, j))) == g(i, j), "Wrong left");
   227       check(g.target(g.left(g(i, j))) == g(i - 1, j), "Wrong left");
   228     }
   229     check(g.left(g(0, j)) == INVALID, "Wrong left");
   230   }
   231 
   232   checkGraphNodeList(g, w*h);
   233   checkGraphArcList(g, 2*(2*w*h-w-h));
   234   checkGraphEdgeList(g, 2*w*h-w-h);
   235 
   236   checkGraphOutArcList(g, g(0,0), 2);
   237   checkGraphOutArcList(g, g(0,1), 3);
   238   checkGraphOutArcList(g, g(w-2,h-2), 4);
   239 
   240   checkGraphInArcList(g, g(0,0), 2);
   241   checkGraphInArcList(g, g(0,1), 3);
   242   checkGraphInArcList(g, g(w-2,h-2), 4);
   243 
   244   checkGraphIncEdgeList(g, g(0,0), 2);
   245   checkGraphIncEdgeList(g, g(0,1), 3);
   246   checkGraphIncEdgeList(g, g(w-2,h-2), 4);
   247 
   248   checkGraphConArcList(g, 2*(2*w*h-w-h));
   249   checkGraphConEdgeList(g, 2*w*h-w-h);
   250 
   251   checkArcDirections(g);
   252 
   253   checkNodeIds(g);
   254   checkArcIds(g);
   255   checkEdgeIds(g);
   256   checkGraphNodeMap(g);
   257   checkGraphArcMap(g);
   258   checkGraphEdgeMap(g);
   259 }
   260 
   261 void checkGraphs() {
   262   { // Checking ListGraph
   263     checkGraph<ListGraph>();
   264     checkGraphValidityErase<ListGraph>();
   265   }
   266   { // Checking SmartGraph
   267     checkGraph<SmartGraph>();
   268     checkGraphValidity<SmartGraph>();
   269   }
   270 //   { // Checking FullGraph
   271 //     FullGraph g(5);
   272 //     checkGraphNodeList(g, 5);
   273 //     checkGraphEdgeList(g, 10);
   274 //   }
   275   { // Checking GridGraph
   276     GridGraph g(5, 6);
   277     checkGridGraph(g, 5, 6);
   278   }
   279 }
   280 
   281 int main() {
   282   checkConcepts();
   283   checkGraphs();
   284   return 0;
   285 }