test/heap_test.cc
author Balazs Dezso <deba@inf.elte.hu>
Mon, 14 Apr 2008 10:46:41 +0200
changeset 126 e1dd2a70737c
child 171 02f4d5d9bfd7
permissions -rw-r--r--
MinGW compatible time measure + changes in its internals
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/* -*- C++ -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library
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 *
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 * Copyright (C) 2003-2008
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <lemon/concept_check.h>
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#include <lemon/concepts/heap.h>
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#include <lemon/list_graph.h>
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#include <lemon/digraph_reader.h>
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#include <lemon/bin_heap.h>
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#include <lemon/fib_heap.h>
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#include <lemon/radix_heap.h>
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#include <lemon/bucket_heap.h>
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#include "test_tools.h"
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#include "heap_test.h"
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#include <lemon/time_measure.h>
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using namespace lemon;
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using namespace lemon::concepts;
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int main() {
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  typedef int Item;
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  typedef int Prio;
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  typedef IntIntMap ItemIntMap;
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  typedef ListDigraph Digraph;
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  typedef Digraph::Arc Arc;
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  typedef Digraph::Node Node;
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  typedef Digraph::ArcIt ArcIt;
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  typedef Digraph::NodeIt NodeIt;
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  typedef Digraph::ArcMap<int> LengthMap;
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  Digraph digraph;
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  LengthMap length(digraph);
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  Node start;
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  /// \todo create own test digraph
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  std::string f_name;
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  if( getenv("srcdir") )
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    f_name = std::string(getenv("srcdir"));
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  else f_name = ".";
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  f_name += "/test/dijkstra_test.lgf";
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  std::ifstream input(f_name.c_str());
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  check(input, "Input file '" << f_name << "' not found.");
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  DigraphReader<Digraph>(input, digraph).
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    readArcMap("capacity", length).
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    readNode("source", start).
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    run();  
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  {
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    std::cerr << "Checking Bin Heap" << std::endl;
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    typedef BinHeap<Prio, ItemIntMap> IntHeap;
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    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();
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    heapSortTest<IntHeap>(100);
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    heapIncreaseTest<IntHeap>(100);
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    typedef FibHeap<Prio, Digraph::NodeMap<int> > NodeHeap;
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    checkConcept<Heap<Prio, Digraph::NodeMap<int> >, NodeHeap>();
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    Timer timer;
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    dijkstraHeapTest<Digraph, LengthMap, NodeHeap>(digraph, length, start);
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    std::cout << timer << std::endl;
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  }
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  {
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    std::cerr << "Checking Fib Heap" << std::endl;
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    typedef FibHeap<Prio, ItemIntMap> IntHeap;
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    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();
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    heapSortTest<IntHeap>(100);
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    heapIncreaseTest<IntHeap>(100);
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    typedef FibHeap<Prio, Digraph::NodeMap<int> > NodeHeap;
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    checkConcept<Heap<Prio, Digraph::NodeMap<int> >, NodeHeap>();
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    Timer timer;
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    dijkstraHeapTest<Digraph, LengthMap, NodeHeap>(digraph, length, start);
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    std::cout << timer << std::endl;
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  }
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  {
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    std::cerr << "Checking Radix Heap" << std::endl;
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    typedef RadixHeap<ItemIntMap> IntHeap;
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    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();
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    heapSortTest<IntHeap>(100);
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    heapIncreaseTest<IntHeap>(100);
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    typedef RadixHeap<Digraph::NodeMap<int> > NodeHeap;
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    checkConcept<Heap<Prio, Digraph::NodeMap<int> >, NodeHeap>();
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    Timer timer;
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    dijkstraHeapTest<Digraph, LengthMap, NodeHeap>(digraph, length, start);
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    std::cout << timer << std::endl;
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  }
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  {
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    std::cerr << "Checking Bucket Heap" << std::endl;
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    typedef BucketHeap<ItemIntMap> IntHeap;
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    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();
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    heapSortTest<IntHeap>(100);
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    heapIncreaseTest<IntHeap>(100);
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    typedef BucketHeap<Digraph::NodeMap<int> > NodeHeap;
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    checkConcept<Heap<Prio, Digraph::NodeMap<int> >, NodeHeap>();
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    Timer timer;
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    dijkstraHeapTest<Digraph, LengthMap, NodeHeap>(digraph, length, start);
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    std::cout << timer << std::endl;
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  }
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  std::cout << __FILE__ ": All tests passed.\n";
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  return 0;
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}