source: trunk/test/Suite.cc @ 1516

Last change on this file since 1516 was 1516, checked in by Peter, 13 years ago

correction of prev ci

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.3 KB
Line 
1// $Id: Suite.cc 1516 2008-09-19 20:56:56Z 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")) || 
43         (buffer && buffer == std::string("1")) )
44      verbose_ = true;
45    else {
46      verbose_ = false;
47      if (argc>1){
48        std::stringstream ss(argv[0]);
49        std::string prog;
50        while(getline(ss, prog, '/'));
51        if (prog.substr(0,3)=="lt-")
52          prog = prog.substr(3);
53        std::cout << prog << " -v : for printing extra information\n";
54      }
55    }
56  }
57
58
59  Suite::~Suite(void)
60  {
61    delete dev_null_;
62  }
63
64
65  bool Suite::add(bool ok)
66  {
67    ok_ = ok_ && ok;
68    return ok;
69  }
70
71
72  std::string filename(const std::string& path)
73  {
74    return abs_srcdir()+"/"+path;
75  }
76
77
78  std::ostream& Suite::err(void) const
79  {
80    if (verbose_)
81      return std::cerr;
82    return *dev_null_;
83  }
84
85
86  bool Suite::equal(double a, double b, unsigned long int n)
87  {
88    double last_error_bound = n*std::numeric_limits<double>().epsilon()*
89      std::min(std::abs(a), std::abs(b));
90    if (!(std::abs(a-b) <= last_error_bound)){
91      err() << "Error: Comparing " << a << " and " << b
92            << "\n  Difference: " << a - b
93            << "\n  expected difference to be at most " << last_error_bound
94            << std::endl;
95      return false;
96    }
97    return true;
98  }
99
100
101  bool Suite::equal_sqrt(double a, double b, unsigned long int n)
102  {
103    double last_error_bound = n*
104      std::sqrt(std::numeric_limits<double>().epsilon())*
105      std::min(std::abs(a), std::abs(b));
106    if (!(std::abs(a-b) <= last_error_bound)){
107      err() << "Error: Comparing " << a << " and " << b
108            << "\n  Difference: " << a - b
109            << "\n  expected difference to be at most " << last_error_bound
110            << std::endl;
111      return false;
112    }
113    return true;
114  }
115
116
117  bool Suite::ok(void) const
118  {
119    return ok_;
120  }
121
122
123  std::ostream& Suite::out(void) const
124  {
125    if (verbose_)
126      return std::cout;
127    return *dev_null_;
128  }
129
130
131  int Suite::return_value(void) const
132  {
133    if (known_issues_>1)
134      out() << known_issues_ << " known issues were detected.\n";
135    else if (known_issues_==1)
136      out() << known_issues_ << " known issue was detected.\n";
137    if (ok()){
138      out() << "Test is ok.\n";
139      return 0;
140    }
141    out() << "Test failed.\n";
142    return -1;
143  }
144
145
146  bool Suite::xadd(bool ok)
147  {
148    if (!ok)
149      ++known_issues_;
150    else {
151      err() << " test for a known issue returned true\n";
152      add(false);
153    }
154    return ok;
155  }
156
157
158}}}
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