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flightgear/test_suite/unit_tests/Navaids/test_flightplan.cxx

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TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
#include "test_flightplan.hxx"
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
TestSuite: Implementation of FGTestApi. The test_suite/helpers directory has been renamed to test_suite/FGTestApi/ and all the fgtest namespaces renamed to FGTestApi. The helper functions are now also placed into either a setUp or tearDown namespace depending on their function. And a new FGTestApi::PrivateAccessor::FDM namespace has been created for holding friend classes used to access private or protected variables or functions from solely within the test suite.
2018-07-16 13:59:21 +00:00
#include "test_suite/FGTestApi/globals.hxx"
TestSuite: Spun out the NavDataCache initialisation code. Not all tests will require the NavDataCache, so it is no longer set up with the dummy globals data structure.
2018-06-10 13:43:20 +00:00
#include "test_suite/FGTestApi/NavDataCache.hxx"
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
#include <simgear/misc/strutils.hxx>
#include <Navaids/FlightPlan.hxx>
#include <Navaids/routePath.hxx>
#include <Navaids/NavDataCache.hxx>
#include <Navaids/waypoint.hxx>
#include <Navaids/navlist.hxx>
#include <Navaids/navrecord.hxx>
Core airway and flight-plan enhancements Add better airway support, fix various issues with VIA, and add parsing / generation of ICAO route strings. Also fix the serialisation of flight-plans with airway enroute segments, so these can be restored correctly.
2018-08-11 20:01:04 +00:00
#include <Navaids/airways.hxx>
Fix for route-path when leg 0 is not a runway Avoid doing turn-computation for the first waypoint, even if it’s not a runway. Add a unit-test to cover this case. Reported by Josh Davidson
2019-03-26 21:50:46 +00:00
#include <Navaids/fix.hxx>
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
#include <Airports/airport.hxx>
using namespace flightgear;
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
// Set up function for each test.
void FlightplanTests::setUp()
{
TestSuite: Implementation of FGTestApi. The test_suite/helpers directory has been renamed to test_suite/FGTestApi/ and all the fgtest namespaces renamed to FGTestApi. The helper functions are now also placed into either a setUp or tearDown namespace depending on their function. And a new FGTestApi::PrivateAccessor::FDM namespace has been created for holding friend classes used to access private or protected variables or functions from solely within the test suite.
2018-07-16 13:59:21 +00:00
FGTestApi::setUp::initTestGlobals("flightplan");
TestSuite: Spun out the NavDataCache initialisation code. Not all tests will require the NavDataCache, so it is no longer set up with the dummy globals data structure.
2018-06-10 13:43:20 +00:00
FGTestApi::setUp::initNavDataCache();
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
}
// Clean up after each test.
void FlightplanTests::tearDown()
{
TestSuite: Implementation of FGTestApi. The test_suite/helpers directory has been renamed to test_suite/FGTestApi/ and all the fgtest namespaces renamed to FGTestApi. The helper functions are now also placed into either a setUp or tearDown namespace depending on their function. And a new FGTestApi::PrivateAccessor::FDM namespace has been created for holding friend classes used to access private or protected variables or functions from solely within the test suite.
2018-07-16 13:59:21 +00:00
FGTestApi::tearDown::shutdownTestGlobals();
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
}
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
static FlightPlanRef makeTestFP(const std::string& depICAO, const std::string& depRunway,
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
const std::string& destICAO, const std::string& destRunway,
const std::string& waypoints)
{
FlightPlanRef f = new FlightPlan;
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
FGTestApi::setUp::populateFPWithoutNasal(f, depICAO, depRunway, destICAO, destRunway, waypoints);
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
return f;
}
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
void FlightplanTests::testBasic()
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
{
FlightPlanRef fp1 = makeTestFP("EGCC", "23L", "EHAM", "24",
"TNT CLN");
fp1->setIdent("testplan");
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
CPPUNIT_ASSERT(fp1->ident() == "testplan");
CPPUNIT_ASSERT(fp1->departureAirport()->ident() == "EGCC");
CPPUNIT_ASSERT(fp1->departureRunway()->ident() == "23L");
CPPUNIT_ASSERT(fp1->destinationAirport()->ident() == "EHAM");
CPPUNIT_ASSERT(fp1->destinationRunway()->ident() == "24");
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT_EQUAL(fp1->numLegs(), 5);
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT(fp1->legAtIndex(0)->waypoint()->source()->ident() == "23L");
CPPUNIT_ASSERT(fp1->legAtIndex(1)->waypoint()->source()->ident() == "TNT");
CPPUNIT_ASSERT(fp1->legAtIndex(1)->waypoint()->source()->name() == "TRENT VOR-DME");
CPPUNIT_ASSERT(fp1->legAtIndex(2)->waypoint()->source()->ident() == "CLN");
CPPUNIT_ASSERT(fp1->legAtIndex(2)->waypoint()->source()->name() == "CLACTON VOR-DME");
CPPUNIT_ASSERT(fp1->legAtIndex(4)->waypoint()->source()->ident() == "24");
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
}
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
void FlightplanTests::testRoutePathBasic()
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
{
FlightPlanRef fp1 = makeTestFP("EGHI", "20", "EDDM", "08L",
"SFD LYD BNE CIV ELLX LUX SAA KRH WLD");
RoutePath rtepath(fp1);
Retain signedness of numLegs to avoid unsigned/signed comparison.
2017-04-04 21:15:18 +00:00
const int legCount = fp1->numLegs();
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
for (int leg = 0; leg < legCount; ++leg) {
rtepath.trackForIndex(leg);
rtepath.pathForIndex(leg);
rtepath.distanceForIndex(leg);
}
rtepath.distanceBetweenIndices(2, 5);
// check some leg parameters
// BOLOUGNE SUR MER, near LFAY (AMIENS)
FGNavRecordRef bne = FGNavList::findByFreq(113.8, FGAirport::getByIdent("LFAY")->geod());
// CHIEVRES
FGNavRecordRef civ = FGNavList::findByFreq(113.2, FGAirport::getByIdent("EBCI")->geod());
double distM = SGGeodesy::distanceM(bne->geod(), civ->geod());
double trackDeg = SGGeodesy::courseDeg(bne->geod(), civ->geod());
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT_DOUBLES_EQUAL(trackDeg, rtepath.trackForIndex(4), 0.5);
CPPUNIT_ASSERT_DOUBLES_EQUAL(distM, rtepath.distanceForIndex(4), 2000); // 2km precision, allow for turns
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
}
// https://sourceforge.net/p/flightgear/codetickets/1703/
// https://sourceforge.net/p/flightgear/codetickets/1939/
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
void FlightplanTests::testRoutePathSkipped()
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
{
FlightPlanRef fp1 = makeTestFP("EHAM", "24", "EDDM", "08L",
"EHEH KBO TAU FFM FFM/100/0.01 FFM/120/0.02 WUR WLD");
RoutePath rtepath(fp1);
// skipped point uses inbound track
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT_EQUAL(rtepath.trackForIndex(4), rtepath.trackForIndex(5));
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, rtepath.distanceForIndex(5), 1e-9);
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, rtepath.distanceForIndex(6), 1e-9);
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT_DOUBLES_EQUAL(101000, rtepath.distanceForIndex(7), 1000);
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
// this tests skipping two preceeding points works as it should
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
SGGeodVec vec = rtepath.pathForIndex(7);
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
CPPUNIT_ASSERT(vec.size() == 9);
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
}
TestSuite: Migration of the Flightplan tests into the CppUnit infrastructure.
2018-03-01 12:13:03 +00:00
void FlightplanTests::testRoutePathTrivialFlightPlan()
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
{
FlightPlanRef fp1 = makeTestFP("EGPH", "24", "EGPH", "06",
"");
RoutePath rtepath(fp1);
Retain signedness of numLegs to avoid unsigned/signed comparison.
2017-04-04 21:15:18 +00:00
const int legCount = fp1->numLegs();
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
for (int leg = 0; leg < legCount; ++leg) {
rtepath.trackForIndex(leg);
rtepath.pathForIndex(leg);
rtepath.distanceForIndex(leg);
}
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
CPPUNIT_ASSERT_DOUBLES_EQUAL(19.68, fp1->totalDistanceNm(), 0.1);
}
void FlightplanTests::testRoutePathVec()
{
FlightPlanRef fp1 = makeTestFP("KNUQ", "14L", "PHNL", "22R",
"ROKME WOVAB");
RoutePath rtepath(fp1);
SGGeodVec vec = rtepath.pathForIndex(0);
FGAirportRef ksfo = FGAirport::findByIdent("KSFO");
FGFixRef rokme = fgpositioned_cast<FGFix>(FGPositioned::findClosestWithIdent("ROKME", ksfo->geod()));
auto depRwy = fp1->departureRunway();
CPPUNIT_ASSERT_DOUBLES_EQUAL(depRwy->geod().getLongitudeDeg(), vec.front().getLongitudeDeg(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL(depRwy->geod().getLatitudeDeg(), vec.front().getLatitudeDeg(), 0.01);
SGGeodVec vec1 = rtepath.pathForIndex(1);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLongitudeDeg(), vec1.back().getLongitudeDeg(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLatitudeDeg(), vec1.back().getLatitudeDeg(), 0.01);
SGGeodVec vec2 = rtepath.pathForIndex(2);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLongitudeDeg(), vec2.front().getLongitudeDeg(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLatitudeDeg(), vec2.front().getLatitudeDeg(), 0.01);
//CPPUNIT_ASSERT(vec.front()
Partial testing framework. Compile a useful subset of FG as a shared library, and add two basic uses of this to exercise some Flightplan / RoutePath / navaid functions. The test framework can/will be expanded incrementally from here, this is just a starting point.
2017-03-21 20:43:42 +00:00
}
Core airway and flight-plan enhancements Add better airway support, fix various issues with VIA, and add parsing / generation of ICAO route strings. Also fix the serialisation of flight-plans with airway enroute segments, so these can be restored correctly.
2018-08-11 20:01:04 +00:00
Fix for route-path when leg 0 is not a runway Avoid doing turn-computation for the first waypoint, even if it’s not a runway. Add a unit-test to cover this case. Reported by Josh Davidson
2019-03-26 21:50:46 +00:00
void FlightplanTests::testRoutPathWpt0Midflight()
{
// test behaviour of RoutePath when WP0 is not a runway
// happens for the Airbus ND which removes past wpts when sequencing
FlightPlanRef fp1 = makeTestFP("KNUQ", "14L", "PHNL", "22R",
"ROKME WOVAB");
Basic flight-plan/leg tests for GPS
2019-04-23 17:10:39 +00:00
// actually delete leg 0 so we start at ROKME
fp1->deleteIndex(0);
Fix for route-path when leg 0 is not a runway Avoid doing turn-computation for the first waypoint, even if it’s not a runway. Add a unit-test to cover this case. Reported by Josh Davidson
2019-03-26 21:50:46 +00:00
RoutePath rtepath(fp1);
SGGeodVec vec = rtepath.pathForIndex(0);
FGAirportRef ksfo = FGAirport::findByIdent("KSFO");
FGFixRef rokme = fgpositioned_cast<FGFix>(FGPositioned::findClosestWithIdent("ROKME", ksfo->geod()));
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLongitudeDeg(), vec.front().getLongitudeDeg(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLatitudeDeg(), vec.front().getLatitudeDeg(), 0.01);
SGGeodVec vec2 = rtepath.pathForIndex(1);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLongitudeDeg(), vec2.front().getLongitudeDeg(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL(rokme->geod().getLatitudeDeg(), vec2.front().getLatitudeDeg(), 0.01);
//CPPUNIT_ASSERT(vec.front()
}
Core airway and flight-plan enhancements Add better airway support, fix various issues with VIA, and add parsing / generation of ICAO route strings. Also fix the serialisation of flight-plans with airway enroute segments, so these can be restored correctly.
2018-08-11 20:01:04 +00:00
void FlightplanTests::testBasicAirways()
{
Airway* awy = Airway::findByIdent("J547", Airway::HighLevel);
CPPUNIT_ASSERT_EQUAL(awy->ident(), std::string("J547"));
FGAirportRef kord = FGAirport::findByIdent("KORD");
FlightPlanRef f = new FlightPlan;
f->setDeparture(kord);
CPPUNIT_ASSERT(awy->findEnroute("KITOK"));
CPPUNIT_ASSERT(awy->findEnroute("LESUB"));
auto wpt = awy->findEnroute("FNT");
CPPUNIT_ASSERT(wpt);
CPPUNIT_ASSERT(wpt->ident() == "FNT");
CPPUNIT_ASSERT(wpt->source() == FGNavRecord::findClosestWithIdent("FNT", kord->geod()));
auto wptKUBBS = f->waypointFromString("KUBBS");
auto wptFNT = f->waypointFromString("FNT");
CPPUNIT_ASSERT(awy->canVia(wptKUBBS, wptFNT));
WayptVec path = awy->via(wptKUBBS, wptFNT);
CPPUNIT_ASSERT_EQUAL(4, static_cast<int>(path.size()));
CPPUNIT_ASSERT_EQUAL(std::string("PMM"), path.at(0)->ident());
CPPUNIT_ASSERT_EQUAL(std::string("HASTE"), path.at(1)->ident());
CPPUNIT_ASSERT_EQUAL(std::string("DEWIT"), path.at(2)->ident());
CPPUNIT_ASSERT_EQUAL(std::string("FNT"), path.at(3)->ident());
}
void FlightplanTests::testAirwayNetworkRoute()
{
FGAirportRef egph = FGAirport::findByIdent("EGPH");
FlightPlanRef f = new FlightPlan;
f->setDeparture(egph);
auto highLevelNet = Airway::highLevel();
auto wptTLA = f->waypointFromString("TLA");
auto wptCNA = f->waypointFromString("CNA");
WayptVec route;
bool ok = highLevelNet->route(wptTLA, wptCNA, route);
CPPUNIT_ASSERT(ok);
CPPUNIT_ASSERT_EQUAL(static_cast<int>(route.size()), 18);
}
void FlightplanTests::testParseICAORoute()
{
FGAirportRef kord = FGAirport::findByIdent("KORD");
FlightPlanRef f = new FlightPlan;
f->setDeparture(kord);
f->setDestination(FGAirport::findByIdent("KSAN"));
const char* route = "DCT JOT J26 IRK J96 SLN J18 GCK J96 CIM J134 GUP J96 KEYKE J134 DRK J78 LANCY J96 PKE";
// const char* route = "DCT KUBBS J547 FNT Q824 HOCKE Q905 SIKBO Q907 MIILS N400A TUDEP NATW GISTI DCT SLANY UL9 DIKAS UL18 GAVGO UL9 KONAN UL607 UBIDU Y863 RUDUS T109 HAREM T104 ANORA STAR";
bool ok = f->parseICAORouteString(route);
CPPUNIT_ASSERT(ok);
}
void FlightplanTests::testParseICANLowLevelRoute()
{
const char* route = "DCT DPA V6 IOW V216 LAA V210 GOSIP V83 ACHES V210 BLOKE V83 ALS V210 RSK V95 INW V12 HOXOL V264 OATES V12 JUWSO V264 PKE";
FGAirportRef kord = FGAirport::findByIdent("KORD");
FlightPlanRef f = new FlightPlan;
f->setDeparture(kord);
f->setDestination(FGAirport::findByIdent("KSAN"));
bool ok = f->parseICAORouteString(route);
CPPUNIT_ASSERT(ok);
}
Bugfix: fix range/ident priority of loaded wpts When the lat-lon of a waypoint disagrees with the discovered ident by more than a threshold, assume we have a DB mismatch, and just revert to a basic wpt specified by lat-lon. This avoids inserting huge legs by selecting a very distant navaid with matching ident https://sourceforge.net/p/flightgear/codetickets/1814/
2018-10-08 15:40:15 +00:00
// https://sourceforge.net/p/flightgear/codetickets/1814/
void FlightplanTests::testBug1814()
{
const std::string fpXML = R"(<?xml version="1.0" encoding="UTF-8"?>
<PropertyList>
<version type="int">2</version>
<departure>
<airport type="string">SAWG</airport>
<runway type="string">25</runway>
</departure>
<destination>
<airport type="string">SUMU</airport>
</destination>
<route>
<wp n="6">
<type type="string">navaid</type>
<ident type="string">PUGLI</ident>
<lon type="double">-60.552200</lon>
<lat type="double">-40.490000</lat>
</wp>
<wp n="7">
<type type="string">navaid</type>
<ident type="string">SIGUL</ident>
<lon type="double">-59.655800</lon>
<lat type="double">-38.312800</lat>
</wp>
<wp n="8">
<type type="string">navaid</type>
<ident type="string">MDP</ident>
<lon type="double">-57.576400</lon>
<lat type="double">-37.929800</lat>
</wp>
</route>
</PropertyList>
)";
std::istringstream stream(fpXML);
FlightPlanRef f = new FlightPlan;
bool ok = f->load(stream);
CPPUNIT_ASSERT(ok);
auto leg = f->legAtIndex(1);
CPPUNIT_ASSERT_EQUAL(std::string("SIGUL"), leg->waypoint()->ident());
CPPUNIT_ASSERT_DOUBLES_EQUAL(137, leg->distanceNm(), 0.5);
CPPUNIT_ASSERT_DOUBLES_EQUAL(101, f->legAtIndex(2)->distanceNm(), 0.5);
}
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