source: trunk/test/Suite.cc @ 1515

Last change on this file since 1515 was 1515, checked in by Peter, 13 years ago

adding support for YAT_TEST_VERBOSE

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.3 KB
Line 
1// $Id: Suite.cc 1515 2008-09-19 20:53:22Z peter $
2
3/*
4  Copyright (C) 2008 Peter Johansson
5
6  This file is part of the yat library, http://dev.thep.lu.se/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 3 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 yat. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "Suite.h"
23#include "environment.h"
24
25#include <algorithm>
26#include <cmath>
27#include <fstream>
28#include <iostream>
29#include <sstream>
30#include <string>
31
32namespace theplu {
33namespace yat {
34namespace test {
35
36  Suite::Suite(int argc, char* argv[])
37    : known_issues_(0), ok_(true)
38  {
39    dev_null_ = new std::ofstream("/dev/null");
40    char* buffer=std::getenv("YAT_TEST_VERBOSE");
41
42    if ( (argc>1 && argv[1]==std::string("-v")) || buffer == std::string("1"))
43      verbose_ = true;
44    else {
45      verbose_ = false;
46      if (argc>1){
47        std::stringstream ss(argv[0]);
48        std::string prog;
49        while(getline(ss, prog, '/'));
50        if (prog.substr(0,3)=="lt-")
51          prog = prog.substr(3);
52        std::cout << prog << " -v : for printing extra information\n";
53      }
54    }
55  }
56
57
58  Suite::~Suite(void)
59  {
60    delete dev_null_;
61  }
62
63
64  bool Suite::add(bool ok)
65  {
66    ok_ = ok_ && ok;
67    return ok;
68  }
69
70
71  std::string filename(const std::string& path)
72  {
73    return abs_srcdir()+"/"+path;
74  }
75
76
77  std::ostream& Suite::err(void) const
78  {
79    if (verbose_)
80      return std::cerr;
81    return *dev_null_;
82  }
83
84
85  bool Suite::equal(double a, double b, unsigned long int n)
86  {
87    double last_error_bound = n*std::numeric_limits<double>().epsilon()*
88      std::min(std::abs(a), std::abs(b));
89    if (!(std::abs(a-b) <= last_error_bound)){
90      err() << "Error: Comparing " << a << " and " << b
91            << "\n  Difference: " << a - b
92            << "\n  expected difference to be at most " << last_error_bound
93            << std::endl;
94      return false;
95    }
96    return true;
97  }
98
99
100  bool Suite::equal_sqrt(double a, double b, unsigned long int n)
101  {
102    double last_error_bound = n*
103      std::sqrt(std::numeric_limits<double>().epsilon())*
104      std::min(std::abs(a), std::abs(b));
105    if (!(std::abs(a-b) <= last_error_bound)){
106      err() << "Error: Comparing " << a << " and " << b
107            << "\n  Difference: " << a - b
108            << "\n  expected difference to be at most " << last_error_bound
109            << std::endl;
110      return false;
111    }
112    return true;
113  }
114
115
116  bool Suite::ok(void) const
117  {
118    return ok_;
119  }
120
121
122  std::ostream& Suite::out(void) const
123  {
124    if (verbose_)
125      return std::cout;
126    return *dev_null_;
127  }
128
129
130  int Suite::return_value(void) const
131  {
132    if (known_issues_>1)
133      out() << known_issues_ << " known issues were detected.\n";
134    else if (known_issues_==1)
135      out() << known_issues_ << " known issue was detected.\n";
136    if (ok()){
137      out() << "Test is ok.\n";
138      return 0;
139    }
140    out() << "Test failed.\n";
141    return -1;
142  }
143
144
145  bool Suite::xadd(bool ok)
146  {
147    if (!ok)
148      ++known_issues_;
149    else {
150      err() << " test for a known issue returned true\n";
151      add(false);
152    }
153    return ok;
154  }
155
156
157}}}
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