source: trunk/test/target_test.cc @ 831

Last change on this file since 831 was 831, checked in by Peter, 15 years ago

Refs #185.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.4 KB
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1// $Id: target_test.cc 831 2007-03-27 13:22:09Z peter $
2
3/*
4  Copyright (C) 2006 Jari Häkkinen, Peter Johansson
5
6  This file is part of the yat library, http://lev.thep.lu.se/trac/yat
7
8  The yat library is free software; you can redistribute it and/or
9  modify it under the terms of the GNU General Public License as
10  published by the Free Software Foundation; either version 2 of the
11  License, or (at your option) any later version.
12
13  The yat library is distributed in the hope that it will be useful,
14  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#include "yat/classifier/Target.h"
25
26#include <fstream>
27#include <iostream>
28#include <string>
29#include <vector>
30
31using namespace theplu::yat;
32
33int main(const int argc,const char* argv[])
34{ 
35  std::ostream* error;
36  if (argc>1 && argv[1]==std::string("-v"))
37    error = &std::cerr;
38  else {
39    error = new std::ofstream("/dev/null");
40    if (argc>1)
41      std::cout << "target_test -v : for printing extra information\n";
42  }
43  *error << "testing target" << std::endl;
44  bool ok = true;
45
46  // This test assumes classes are introduced in order of appearence
47  std::vector<std::string> color(10,"default");
48  color[2]=color[7]="white";
49  color[4]=color[5]="black";
50  color[6]=color[3]="green";
51  color[8]=color[9]="red";
52  classifier::Target target3(color);
53  std::vector<size_t> facit(10);
54  facit[2]=facit[7]=1;
55  facit[4]=facit[5]=3;
56  facit[6]=facit[3]=2;
57  facit[8]=facit[9]=4;
58 
59  for (size_t i=0; i<facit.size(); i++){
60    if (target3(i)!=facit[i]){
61      ok=false;
62      *error << "target(" << i << ") is " << target3(0) << " expected " 
63             << facit[i] << std::endl;
64    }
65  }
66  std::vector<size_t> sub;
67  sub.push_back(2);
68  sub.push_back(1);
69  classifier::Target sub_target(target3,sub);
70  if (target3(sub[0])!=sub_target(0) || target3(sub[1])!=sub_target(1)){
71    ok = false;
72    *error << "error in constructor Target(const Target&, std::vector<size_t>&)"
73           << "\nclasses are not preserved" << std::endl;
74  }
75  if (target3.binary(sub[0])!=sub_target.binary(0) || 
76      target3.binary(sub[1])!=sub_target.binary(1)){
77    ok = false;
78    *error << "error in constructor Target(const Target&, std::vector<size_t>&)"
79           << "\nbinary classes are not preserved" << std::endl;
80  }
81
82
83  std::vector<std::string> label(31,"negative");
84  for (size_t i=0; i<16; i++) 
85    label[i] = "positive";
86  label[20]="neither";
87  classifier::Target target(label);
88  if (target.nof_classes()!=3){
89    ok=false;
90    *error << "Expected number of classes to be 3" << std::endl;
91  }
92  if (target(0)!=0){
93    ok=false;
94    *error << "Error: target(0)!=0" << std::endl;
95  }
96  if (target(20)!=2){
97    ok=false;
98    *error << "Error: target(20)!=2" << std::endl;
99  }
100  if (!target.binary(0)){
101    ok=false;
102    *error << "Error: target.binary(0) not true" << std::endl;
103  }   
104  if (target.binary(20)){
105    ok=false;
106    *error << "Error: target.binary(20) not false" << std::endl;
107  }   
108  target.set_binary(2,true);
109  if (!target.binary(20)){
110    ok=false;
111    *error << "Error: target.binary(20) not true" << std::endl;
112  }   
113  std::ifstream is("data/rank_target.txt");
114  classifier::Target target2(is);
115  is.close();
116  if (target2.size()!=6){
117    ok=false;
118    *error << "ERROR: size of target is " << target2.size() << " expected 6." 
119           << std::endl;
120  }   
121
122  if (ok)
123    return 0;
124  return -1;
125}
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