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+/*
+ * Copyright (C) 2018 Edward d'Auvergne
+ *
+ * This file is part of the program FlightGear.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ */
+
+
+#ifndef _FG_POSINIT_UNIT_TESTS_HXX
+#define _FG_POSINIT_UNIT_TESTS_HXX
+
+
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/TestFixture.h>
+#include "Airports/airport.hxx"
+
+
+// The unit tests of the FGNasalSys subsystem.
+class PosInitTests : public CppUnit::TestFixture
+{
+    // Set up the test suite.
+    CPPUNIT_TEST_SUITE(PosInitTests);
+
+    // Airport-based tests
+    CPPUNIT_TEST(testAirportAltitudeOffsetStartup);
+    CPPUNIT_TEST(testAirportAndMetarStartup);
+    CPPUNIT_TEST(testAirportAndRunwayStartup);
+    CPPUNIT_TEST(testAirportAndAvailableParkingStartup);
+    CPPUNIT_TEST(testAirportAndParkingStartup);
+    CPPUNIT_TEST(testAirportOnlyStartup);
+    CPPUNIT_TEST(testAirportRunwayOffsetAltitudeStartup);
+    CPPUNIT_TEST(testAirportRunwayOffsetGlideslopeStartup);
+    CPPUNIT_TEST(testDefaultStartup);
+    CPPUNIT_TEST(testRepositionAtParking);
+    CPPUNIT_TEST(testParkAtOccupied);
+    CPPUNIT_TEST(testParkInvalid);
+    CPPUNIT_TEST(testAirportRunwayRepositionAirport);
+    CPPUNIT_TEST(testParkNoAI);
+
+
+    // Navaid tests
+    CPPUNIT_TEST(testVOROnlyStartup);
+    CPPUNIT_TEST(testVOROffsetAltitudeHeadingStartup);
+    CPPUNIT_TEST(testFixOnlyStartup);
+    CPPUNIT_TEST(testFixOffsetAltitudeHeadingStartup);
+    CPPUNIT_TEST(testNDBOnlyStartup);
+    CPPUNIT_TEST(testNDBOffsetAltitudeHeadingStartup);
+
+    CPPUNIT_TEST(testLatLonStartup);
+    //CPPUNIT_TEST(testLatLonOffsetStartup); This is not yet supported.
+
+    // Carrier tests
+    // We are not able to test the carrier code thoroughly as it depends
+    // heavily on finalizePosition(), which requires that the carrier model
+    // itself be loaded into the scenegraph.
+    CPPUNIT_TEST(testCarrierStartup);
+
+    // Reposition tests
+    CPPUNIT_TEST(testAirportRepositionAirport);
+    CPPUNIT_TEST(testRepositionAtSameParking);
+    CPPUNIT_TEST(testRepositionAtOccupied);
+    CPPUNIT_TEST(testRepositionAtInvalid);
+    
+    // MP tests
+    CPPUNIT_TEST(testMPRunwayStart);
+    CPPUNIT_TEST(testMPRunwayStartNoGroundnet);
+    
+    CPPUNIT_TEST_SUITE_END();
+
+    void simulateStartReposition();
+    void simulateFinalizePosition();
+public:
+    // Set up function for each test.
+    void setUp();
+
+    // Clean up after each test.
+    void tearDown();
+
+    // The tests.
+    void testAirportAltitudeOffsetStartup();
+    void testAirportAndMetarStartup();
+    void testAirportAndAvailableParkingStartup();
+    void testAirportAndParkingStartup();
+    void testAirportAndRunwayStartup();
+    void testAirportOnlyStartup();
+    void testAirportRunwayOffsetAltitudeStartup();
+    void testAirportRunwayOffsetGlideslopeStartup();
+    void testDefaultStartup();
+    void testParkAtOccupied();
+    void testParkInvalid();
+    void testParkNoAI();
+    
+    // Navaid tests
+    void testVOROnlyStartup();
+    void testVOROffsetAltitudeHeadingStartup();
+    void testFixOnlyStartup();
+    void testFixOffsetAltitudeHeadingStartup();
+    void testNDBOnlyStartup();
+    void testNDBOffsetAltitudeHeadingStartup();
+
+    //Lat Lon tests
+    void testLatLonStartup();
+    void testLatLonOffsetStartup();
+
+    //Carrier tests
+    void testCarrierStartup();
+
+    //Reposition tests
+    void testAirportRepositionAirport();
+    void testRepositionAtParking();
+    void testRepositionAtSameParking();
+    void testRepositionAtOccupied();
+    void testRepositionAtInvalid();
+    void testAirportRunwayRepositionAirport();
+
+    // MP tests
+    void testMPRunwayStart();
+    void testMPRunwayStartNoGroundnet();
+private:
+    // Helper functions for tests.  Return void as they use CPPUNIT_ASSERT
+    void checkAlt(float value);
+    void checkHeading(float value);
+    void checkPosition(SGGeod expectedPos, float delta=1000.0);
+    void checkClosestAirport(std::string icao);
+    void checkStringProp(std::string property, std::string expected);
+    void checkRunway(std::string expected);
+    void checkOnGround();
+    void checkInAir();
+};
+
+#endif  // _FG_POSINIT_UNIT_TESTS_HXX