src/test/heap_test.cc
author deba
Wed, 09 Mar 2005 14:15:22 +0000
changeset 1208 f486d30e4e7b
parent 1187 04e5825000c5
child 1215 81b4731f8a6b
permissions -rw-r--r--
Easy input-output function for common graphs.
Modified Exception handling in graph_reader.
     1 // -*- c++ -*-
     2 
     3 #include <iostream>
     4 #include <fstream>
     5 #include <vector>
     6 
     7 #include <lemon/concept_check.h>
     8 
     9 #include <lemon/smart_graph.h>
    10 
    11 #include <lemon/graph_reader.h>
    12 
    13 #include <lemon/bin_heap.h>
    14 #include <lemon/fib_heap.h>
    15 #include <lemon/radix_heap.h>
    16 
    17 #include "test_tools.h"
    18 
    19 #include "heap_test.h"
    20 
    21 
    22 using namespace lemon;
    23 
    24 template <typename Item, typename Prio, typename ItemIntMap>
    25 class HeapConcept {
    26 public:  
    27 
    28   template <typename _Heap>
    29   struct Constraints {
    30   public:
    31     
    32     void constraints() {
    33       Item item;
    34       Prio prio;
    35 
    36       ignore_unused_variable_warning(item);
    37       ignore_unused_variable_warning(prio);
    38 
    39       typedef typename _Heap::state_enum state_enum;
    40       state_enum state;
    41 
    42       ignore_unused_variable_warning(state);
    43       
    44       _Heap heap1 = _Heap(map);
    45 
    46       ignore_unused_variable_warning(heap1);
    47       
    48       heap.push(item, prio);
    49 
    50       prio = heap.prio();
    51       item = heap.top();
    52 
    53       heap.pop();
    54 
    55       heap.set(item, prio);
    56       heap.decrease(item, prio);
    57       heap.increase(item, prio);
    58       prio = heap[item];
    59 
    60       heap.erase(item);
    61 
    62       state = heap.state(item);
    63 
    64       state = _Heap::PRE_HEAP;
    65       state = _Heap::IN_HEAP;
    66       state = _Heap::POST_HEAP;
    67     }
    68     
    69     _Heap& heap;
    70     ItemIntMap& map;
    71   };
    72 };
    73 
    74 int main() {
    75 
    76   typedef int Item;
    77   typedef int Prio;
    78   typedef IntIntMap ItemIntMap;
    79 
    80   typedef ListGraph Graph;
    81 
    82   typedef Graph::Edge Edge;
    83   typedef Graph::Node Node;
    84   typedef Graph::EdgeIt EdgeIt;
    85   typedef Graph::NodeIt NodeIt;
    86   typedef Graph::EdgeMap<int> LengthMap;
    87 
    88   Graph graph;
    89   LengthMap length(graph);
    90   Node start;
    91 
    92   /// \todo create own test graph
    93   std::ifstream input("dijkstra_test.lemon");
    94   readGraph(input, graph, length, start);  
    95  
    96   {
    97     std::cerr << "Checking Bin Heap" << std::endl;
    98 
    99     typedef BinHeap<Item, Prio, ItemIntMap> IntHeap;
   100     checkConcept<HeapConcept<Item, Prio, ItemIntMap>, IntHeap>();
   101     heapSortTest<IntHeap>(100);
   102     heapIncreaseTest<IntHeap>(100);
   103     
   104     typedef FibHeap<Node, Prio, Graph::NodeMap<int> > NodeHeap;
   105     checkConcept<HeapConcept<Node, Prio, Graph::NodeMap<int> >, NodeHeap>();
   106     dijkstraHeapTest<Graph, LengthMap, NodeHeap>(graph, length, start);
   107   }
   108   {
   109     std::cerr << "Checking Fib Heap" << std::endl;
   110 
   111     typedef FibHeap<Item, Prio, ItemIntMap> IntHeap;
   112     checkConcept<HeapConcept<Item, Prio, ItemIntMap>, IntHeap>();
   113     heapSortTest<IntHeap>(100);
   114     heapIncreaseTest<IntHeap>(100);
   115 
   116     typedef FibHeap<Node, Prio, Graph::NodeMap<int> > NodeHeap;
   117     checkConcept<HeapConcept<Node, Prio, Graph::NodeMap<int> >, NodeHeap>();
   118     dijkstraHeapTest<Graph, LengthMap, NodeHeap>(graph, length, start);
   119   }
   120   {
   121     std::cerr << "Checking Radix Heap" << std::endl;
   122 
   123     typedef RadixHeap<Item, ItemIntMap> IntHeap;
   124     checkConcept<HeapConcept<Item, Prio, ItemIntMap>, IntHeap>();
   125     heapSortTest<IntHeap>(100);
   126     heapIncreaseTest<IntHeap>(100);
   127 
   128     typedef RadixHeap<Node, Graph::NodeMap<int> > NodeHeap;
   129     checkConcept<HeapConcept<Node, Prio, Graph::NodeMap<int> >, NodeHeap>();
   130     dijkstraHeapTest<Graph, LengthMap, NodeHeap>(graph, length, start);
   131   }
   132 
   133   std::cout << __FILE__ ": All tests passed.\n";
   134 
   135   return 0;
   136 }