mirror of
https://github.com/gnss-sdr/gnss-sdr
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225 lines
6.9 KiB
C++
225 lines
6.9 KiB
C++
/*!
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* \file glonass_gnav_ephemeris_test.cc.cc
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* \note Code added as part of GSoC 2017 program
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* \author Damian Miralles, 2017. dmiralles2009(at)gmail.com
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* \see <a href="http://russianspacesystems.ru/wp-content/uploads/2016/08/ICD_GLONASS_eng_v5.1.pdf">GLONASS ICD</a>
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*
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#include "glonass_gnav_ephemeris.h"
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#include "gnss_signal_replica.h"
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TEST(GlonassGnavEphemerisTest, ComputeGlonassTime)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2016;
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gnav_eph.d_N_T = 367;
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boost::posix_time::time_duration t(0, 0, 7560);
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boost::gregorian::date d(gnav_eph.d_yr, 1, 1);
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boost::gregorian::days d2(gnav_eph.d_N_T);
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d = d + d2;
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boost::gregorian::date expected_gdate;
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boost::posix_time::time_duration expected_gtime;
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boost::posix_time::ptime gtime = gnav_eph.compute_GLONASS_time(7560);
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expected_gdate = gtime.date();
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expected_gtime = gtime.time_of_day();
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// Perform assertions of decoded fields
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ASSERT_TRUE(expected_gdate.year() - d.year() < FLT_EPSILON);
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ASSERT_TRUE(expected_gdate.month() - d.month() < FLT_EPSILON);
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ASSERT_TRUE(expected_gdate.day() - d.day() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.hours() - t.hours() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.minutes() - t.minutes() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.seconds() - t.seconds() < FLT_EPSILON);
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}
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TEST(GlonassGnavEphemerisTest, ComputeGlonassTime2019)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2019;
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gnav_eph.d_N_T = 1366;
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boost::posix_time::time_duration t(0, 0, 7560);
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boost::gregorian::date d(gnav_eph.d_yr, 1, 1);
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boost::gregorian::days d2(gnav_eph.d_N_T);
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d = d + d2;
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boost::gregorian::date expected_gdate;
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boost::posix_time::time_duration expected_gtime;
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boost::posix_time::ptime gtime = gnav_eph.compute_GLONASS_time(7560);
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expected_gdate = gtime.date();
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expected_gtime = gtime.time_of_day();
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// Perform assertions of decoded fields
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ASSERT_TRUE(expected_gdate.year() - d.year() < FLT_EPSILON);
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ASSERT_TRUE(expected_gdate.month() - d.month() < FLT_EPSILON);
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ASSERT_TRUE(expected_gdate.day() - d.day() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.hours() - t.hours() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.minutes() - t.minutes() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.seconds() - t.seconds() < FLT_EPSILON);
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}
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TEST(GlonassGnavEphemerisTest, ComputeGlonassTime2020)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2020;
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gnav_eph.d_N_T = 62;
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boost::posix_time::time_duration t(0, 0, 7560);
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boost::gregorian::date d(gnav_eph.d_yr, 1, 1);
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boost::gregorian::days d2(gnav_eph.d_N_T);
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d = d + d2;
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boost::gregorian::date expected_gdate;
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boost::posix_time::time_duration expected_gtime;
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boost::posix_time::ptime gtime = gnav_eph.compute_GLONASS_time(7560);
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expected_gdate = gtime.date();
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expected_gtime = gtime.time_of_day();
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// Perform assertions of decoded fields
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ASSERT_TRUE(expected_gdate.year() - d.year() < FLT_EPSILON);
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ASSERT_TRUE(expected_gdate.month() - d.month() < FLT_EPSILON);
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ASSERT_TRUE(expected_gdate.day() - d.day() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.hours() - t.hours() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.minutes() - t.minutes() < FLT_EPSILON);
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ASSERT_TRUE(expected_gtime.seconds() - t.seconds() < FLT_EPSILON);
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}
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/*!
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* \brief Testing conversion from GLONASST to GPST
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* \test Tests scenario for N_T when greater than 365 days. Possible values here from 1 to 365*4
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*/
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TEST(GlonassGnavEphemerisTest, ConvertGlonassT2GpsT1)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2004;
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gnav_eph.d_N_T = 366 + 28;
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double glo2utc = 3600 * 3;
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double tod = 48600;
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int week = 0.0;
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double tow = 0.0;
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double true_leap_sec = 13;
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double true_week = 1307;
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double true_tow = 480600 + true_leap_sec;
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gnav_eph.glot_to_gpst(tod + glo2utc, 0.0, 0.0, &week, &tow);
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// Perform assertions of decoded fields
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ASSERT_TRUE(week - true_week < FLT_EPSILON);
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ASSERT_TRUE(tow - true_tow < FLT_EPSILON);
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}
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/*!
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* \brief Testing conversion from GLONASST to GPST
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* \test This version tests the conversion for offsets greater than 30 in a leap year
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*/
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TEST(GlonassGnavEphemerisTest, ConvertGlonassT2GpsT2)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2016;
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gnav_eph.d_N_T = 268;
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double glo2utc = 3600 * 3;
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double tod = 7560;
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int week = 0.0;
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double tow = 0.0;
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double true_leap_sec = 17;
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double true_week = 1915;
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double true_tow = 518400 + true_leap_sec + tod;
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gnav_eph.glot_to_gpst(tod + glo2utc, 0.0, 0.0, &week, &tow);
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// Perform assertions of decoded fields
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ASSERT_TRUE(week - true_week < FLT_EPSILON);
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ASSERT_TRUE(tow - true_tow < FLT_EPSILON);
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}
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/*!
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* \brief Testing conversion from GLONASST to GPST
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* \test This version tests the conversion around the vicinity of February 29 days when in leap year
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*/
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TEST(GlonassGnavEphemerisTest, ConvertGlonassT2GpsT3)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2016;
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gnav_eph.d_N_T = 62;
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double glo2utc = 3600 * 3;
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double tod = 7560;
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int week = 0.0;
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double tow = 0.0;
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double true_leap_sec = 17;
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double true_week = 1886;
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double true_tow = 259200 + true_leap_sec + tod;
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gnav_eph.glot_to_gpst(tod + glo2utc, 0.0, 0.0, &week, &tow);
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// Perform assertions of decoded fields
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ASSERT_TRUE(week - true_week < FLT_EPSILON);
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ASSERT_TRUE(tow - true_tow < FLT_EPSILON);
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}
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TEST(GlonassGnavEphemerisTest, ConvertGlonassT2GpsT4)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2019;
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gnav_eph.d_N_T = 1366;
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double glo2utc = 3600 * 3;
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double tod = 7560;
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int week = 0.0;
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double tow = 0.0;
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double true_leap_sec = 18;
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double true_week = 2072;
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double true_tow = 447120 + true_leap_sec + tod;
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gnav_eph.glot_to_gpst(tod + glo2utc, 0.0, 0.0, &week, &tow);
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// Perform assertions of decoded fields
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ASSERT_TRUE(week - true_week < FLT_EPSILON);
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ASSERT_TRUE(tow - true_tow < FLT_EPSILON);
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}
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TEST(GlonassGnavEphemerisTest, ConvertGlonassT2GpsT5)
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{
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Glonass_Gnav_Ephemeris gnav_eph;
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gnav_eph.d_yr = 2020;
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gnav_eph.d_N_T = 62;
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double glo2utc = 3600 * 3;
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double tod = 7560;
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int week = 0.0;
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double tow = 0.0;
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double true_leap_sec = 18;
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double true_week = 2095;
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double true_tow = 259200 + true_leap_sec + tod;
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gnav_eph.glot_to_gpst(tod + glo2utc, 0.0, 0.0, &week, &tow);
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// Perform assertions of decoded fields
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ASSERT_TRUE(week - true_week < FLT_EPSILON);
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ASSERT_TRUE(tow - true_tow < FLT_EPSILON);
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}
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