test/lgf_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Mon, 07 Jul 2014 15:40:12 +0200
changeset 1130 ce1533650f7d
parent 954 b96574ff36ec
permissions -rw-r--r--
Merge bugfix #474
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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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) 2003-2013
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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 <lemon/list_graph.h>
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#include <lemon/lgf_reader.h>
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#include "test_tools.h"
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using namespace lemon;
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char test_lgf[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     label\n"
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  "0 1  0\n"
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  "1 0  1\n"
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  "@attributes\n"
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  "source 0\n"
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  "target 1\n";
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char test_lgf_nomap[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     -\n"
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  "0 1\n";
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char test_lgf_bad1[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     - another\n"
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  "0 1\n";
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char test_lgf_bad2[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     label -\n"
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  "0 1\n";
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int main()
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{
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  {
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    ListDigraph d;
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    ListDigraph::Node s,t;
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    ListDigraph::ArcMap<int> label(d);
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    std::istringstream input(test_lgf);
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    digraphReader(d, input).
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      node("source", s).
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      node("target", t).
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      arcMap("label", label).
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      run();
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    check(countNodes(d) == 2,"There should be 2 nodes");
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    check(countArcs(d) == 2,"There should be 2 arcs");
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  }
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  {
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    ListGraph g;
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    ListGraph::Node s,t;
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    ListGraph::EdgeMap<int> label(g);
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    std::istringstream input(test_lgf);
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    graphReader(g, input).
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      node("source", s).
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      node("target", t).
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      edgeMap("label", label).
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      run();
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    check(countNodes(g) == 2,"There should be 2 nodes");
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    check(countEdges(g) == 2,"There should be 2 arcs");
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  }
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  {
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    ListDigraph d;
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    std::istringstream input(test_lgf_nomap);
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    digraphReader(d, input).
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      run();
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    check(countNodes(d) == 2,"There should be 2 nodes");
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    check(countArcs(d) == 1,"There should be 1 arc");
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  }
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  {
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    ListGraph g;
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    std::istringstream input(test_lgf_nomap);
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    graphReader(g, input).
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      run();
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    check(countNodes(g) == 2,"There should be 2 nodes");
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    check(countEdges(g) == 1,"There should be 1 edge");
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  }
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  {
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    ListDigraph d;
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    std::istringstream input(test_lgf_bad1);
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    bool ok=false;
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    try {
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      digraphReader(d, input).
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        run();
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    }
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    catch (FormatError&)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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  {
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    ListGraph g;
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    std::istringstream input(test_lgf_bad1);
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    bool ok=false;
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    try {
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      graphReader(g, input).
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        run();
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    }
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    catch (FormatError&)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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  {
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    ListDigraph d;
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    std::istringstream input(test_lgf_bad2);
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    bool ok=false;
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    try {
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      digraphReader(d, input).
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        run();
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    }
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    catch (FormatError&)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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  {
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    ListGraph g;
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    std::istringstream input(test_lgf_bad2);
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    bool ok=false;
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    try {
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      graphReader(g, input).
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        run();
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    }
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    catch (FormatError&)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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}