src/testing.h

#ifndef TESTING_H
#define TESTING_H

#include <iostream>
#include <fstream>
#include <list>
#include <vector>
#include <string>
#include <cmath>

class TestSuite
{
        private:
                std::vector< int (*)(TestSuite*) > tests;
                std::fstream testlog;
                std::vector<std::string> names;
        public:
                TestSuite ( const char* logfile ) { testlog.open( logfile, std::ios::out ); }
                ~TestSuite () { testlog.close(); }
                void addTest ( int (*test)(TestSuite*), const char* testname ) { tests.push_back ( test ); names.push_back ( std::string(testname) ); }
                int runTests ( void ) {
                        int failed(0);
                        unsigned int i;
                        // std::list< int (*)(TestSuite*) > i;
                        // for ( i=tests.begin(); i!=tests.end(); ++i )
                        //      failed += (*i)(this);
                        for ( i=0; i<tests.size(); i++ ) {
                                std::clog << "=============> " << names[i] << " <============\n";
                                failed += tests[i](this);
                        }
                        std::clog << "\n==> " << failed << " tests failed\n";
                        return failed;
                }
                int isequal ( double x, double y, const char* testname, double accuracy=1e-7 ) {
                        if ( fabs(x-y)<accuracy ) {
                                std::clog << "[ OK ]   " << testname << " value: " << x << "\n";
                                return 0;
                        } else {
                                std::clog << "[FAIL]   " << testname << " value: " << x << " should be: " << y << "\n";
                                testlog << testname << " value: " << x << " should be: " << y << "\n";
                                return 1;
                        }
                }
                int isequal_rel ( double x, double y, const char* testname, double accuracy=1e-7 ) {
                        if ( fabs ( log10 ( x/y ) ) < accuracy ) {
                                std::clog << "[ OK ]   " << testname << " value: " << x << "\n";
                                return 0;
                        } else {
                                std::clog << "[FAIL]   " << testname << " value: " << x << " should be: " << y << "\n";
                                testlog << testname << " value: " << x << " should be: " << y << "\n";
                                return 1;
                        }
                }
                int isless ( double x, double y, const char* testname ) {
                        if ( x<y ) {
                                std::clog << "[ OK ]   " << testname << " value: " << x << " < " << y << "\n";
                                return 0;
                        } else {
                                std::clog << "[FAIL]   " << testname << " value: " << x << " should be less than " << y << "\n";
                                testlog << testname << " value: " << x << " should be less than " << y << "\n";
                                return 1;
                        }
                }
                int ismore ( double x, double y, const char* testname ) {
                        if ( x>y ) {
                                std::clog << "[ OK ]   " << testname << " value: " << x << " > " << y << "\n";
                                return 0;
                        } else {
                                std::clog << "[FAIL]   " << testname << " value: " << x << " should be less than " << y << "\n";
                                testlog << testname << " value: " << x << " should be less than " << y << "\n";
                                return 1;
                        }
                }

                int conditional ( bool condition, const char * testname ) {
                        if ( condition ) {
                                std::clog << "[ OK ]   " << testname << " good \n";
                                return 0;
                        } else {
                                std::clog << "[FAIL]   " << testname << "\n";
                                testlog << testname << "\n";
                                return 1;
                        }
                }
};

#endif