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gnss-sdr/tests/unit-tests/signal-processing-blocks/pvt/geohash_test.cc

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1.7 KiB
C++

/*!
* \file geohash_test.cc
* \brief Implements Unit Tests for the Geohash class.
* \author Carles Fernandez-Prades, 2023. cfernandez(at)cttc.es
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2023 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "geohash.h"
TEST(Geohash_Test, Encode)
{
Geohash gh = Geohash();
std::string geohash;
EXPECT_NO_THROW(geohash = gh.encode(52.205, 0.119, 7));
EXPECT_EQ(0, geohash.compare("u120fxw"));
EXPECT_NO_THROW(geohash = gh.encode(41.274966141209, 1.987518053501));
EXPECT_EQ(0, geohash.compare("sp36v1zk0e2g"));
EXPECT_THROW(gh.encode(52.205, 0.119, 0), std::invalid_argument);
}
TEST(Geohash_Test, Decode)
{
Geohash gh = Geohash();
auto latlon = gh.decode("sp36v1zk0e2g");
EXPECT_NEAR(41.274966141209, latlon[0], 1e-8);
EXPECT_NEAR(1.987518053501, latlon[1], 1e-8);
EXPECT_THROW(gh.decode(""), std::runtime_error);
latlon = gh.decode("w21zd2mkt");
EXPECT_NEAR(1.320527, latlon[0], 1e-8);
EXPECT_NEAR(103.81726, latlon[1], 1e-8);
latlon = gh.decode("W21ZD2MKT");
EXPECT_NEAR(1.320527, latlon[0], 1e-8);
EXPECT_NEAR(103.81726, latlon[1], 1e-8);
}
TEST(Geohash_Test, Precision)
{
Geohash gh = Geohash();
std::string hash;
EXPECT_NO_THROW(hash = gh.encode(52.205, 0.119, 6));
EXPECT_EQ(0, hash.compare("u120fx"));
EXPECT_NO_THROW(hash = gh.encode(52.205, 0.119, 5));
EXPECT_EQ(0, hash.compare("u120f"));
}