test_gps.cpp

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/*
 * Copyright (C) 2016  Intel Corporation. All rights reserved.
 *
 * This file is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This file is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <AP_gtest.h>

#include <AP_GPS/AP_GPS_NMEA.h>

const AP_HAL::HAL &hal = AP_HAL::get_HAL();

class AP_GPS_NMEA_Test
{
public:
    int32_t parse_decimal_100(const char *p) const
    {
        return AP_GPS_NMEA::_parse_decimal_100(p);
    }
};

TEST(AP_GPS_NMEA, parse_decimal_100)
{
    AP_GPS_NMEA_Test test;

    /* Positive numbers with possible round/truncate */
    ASSERT_EQ(100, test.parse_decimal_100("1.0"));
    ASSERT_EQ(100, test.parse_decimal_100("1.00"));
    ASSERT_EQ(100, test.parse_decimal_100("1.001"));
    ASSERT_EQ(101, test.parse_decimal_100("1.006"));

    /* Positive numbers with possible round/truncate with + signal */
    ASSERT_EQ(100, test.parse_decimal_100("+1.0"));
    ASSERT_EQ(100, test.parse_decimal_100("+1.00"));
    ASSERT_EQ(100, test.parse_decimal_100("+1.001"));
    ASSERT_EQ(101, test.parse_decimal_100("+1.006"));

    /* Positive numbers in (0, 1) range, with possible round/truncate */
    ASSERT_EQ(0, test.parse_decimal_100("0.0"));
    ASSERT_EQ(0, test.parse_decimal_100("0.00"));
    ASSERT_EQ(0, test.parse_decimal_100("0.001"));
    ASSERT_EQ(1, test.parse_decimal_100("0.006"));

    /* Negative numbers with possible round/truncate */
    ASSERT_EQ(-100, test.parse_decimal_100("-1.0"));
    ASSERT_EQ(-100, test.parse_decimal_100("-1.00"));
    ASSERT_EQ(-100, test.parse_decimal_100("-1.001"));
    ASSERT_EQ(-101, test.parse_decimal_100("-1.006"));

    /* Integer numbers */
    ASSERT_EQ(100, test.parse_decimal_100("1"));
    ASSERT_EQ(-100, test.parse_decimal_100("-1"));
}

AP_GTEST_MAIN()