#include <cxxtest/TestSuite.h>

#include "interlinknetworks.hh"

class InterlinkNetworks_test: public CxxTest::TestSuite
{
public:

  void test_distance(void)
  {
    TrilaterationAlgorithm *algo = new InterlinkNetworks() ;

    // Initialise algo->request
    char mobile_gain = 3, mobile_power = 15 ;
    Mobile mobile("", "", mobile_gain, mobile_power) ;
    Request request(&mobile) ;
    algo->compute(request) ; // yes, that's ugly

    char ap_gain = 5, ap_power = 20, ap_channel = 1 ;
    AccessPoint ap(Point3D(), "", "", ap_gain, ap_power, ap_channel) ;

    std::vector<int> ss_list ;
    ss_list.push_back(-42) ;
    Measurement measurement(&ap, ss_list) ;

    /* ** How to check ref_distance in Scilab? **
     * C = 5 + 20 + 20 * log10(299792458 / 2412000000 / (4 * PI)) + 3
     * L = -42
     * ref_distance = 10^((C-L)/35)
     */
    float ref_distance = 7.1519 ;

    float computed_distance = algo->estimate_distance(measurement) ;
    TS_ASSERT_DELTA(computed_distance, ref_distance, 0.0001) ;

    delete algo ;
  }

} ;