Lock map tracking to corrected IMU output

tests/main_window_tests.cpp

@@ -17,6 +17,7 @@
 #include <QTemporaryFile>
 
 #include <cassert>
+#include <cmath>
 
 namespace {
 
@@ -93,6 +94,27 @@ int main(int argc, char **argv)
     assert(toggleSerialAction != nullptr && !toggleSerialAction->shortcut().isEmpty());
     assert(rinexUpdateAction != nullptr && !rinexUpdateAction->shortcut().isEmpty());
 
+    QVector<TelemetryPoint> followPoints;
+    TelemetryPoint gpsPoint;
+    gpsPoint.source = LocationSource::Gps;
+    gpsPoint.latitude = 40.0;
+    gpsPoint.longitude = 29.0;
+    followPoints.push_back(gpsPoint);
+    TelemetryPoint correctedPoint = gpsPoint;
+    correctedPoint.source = LocationSource::ImuCorrected;
+    correctedPoint.latitude = 40.25;
+    correctedPoint.longitude = 29.5;
+    followPoints.push_back(correctedPoint);
+    TelemetryPoint trajectoryPoint = gpsPoint;
+    trajectoryPoint.source = LocationSource::Trajectory;
+    trajectoryPoint.latitude = 41.0;
+    trajectoryPoint.longitude = 30.0;
+    followPoints.push_back(trajectoryPoint);
+    map->setPoints(followPoints);
+    assert(std::abs(map->centerCoordinate().x() - 40.25) < 0.000001);
+    assert(std::abs(map->centerCoordinate().y() - 29.5) < 0.000001);
+    map->clearPoints();
+
     assert(QMetaObject::invokeMethod(map, "referenceLocationSelected", Qt::DirectConnection,
                                      Q_ARG(double, 40.25), Q_ARG(double, 29.5)));
     assert(referenceLatInput->text() == QStringLiteral("40.250000000000000"));