diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/map/transform.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/map/transform.cpp b/test/map/transform.cpp index ada20c5872..6b9e960fe6 100644 --- a/test/map/transform.cpp +++ b/test/map/transform.cpp @@ -297,3 +297,25 @@ TEST(Transform, MoveBy) { ASSERT_NEAR(0, trueCenter.latitude, 1.1); ASSERT_NEAR(0, trueCenter.longitude, 1.1); } + +TEST(Transform, Antimeridian) { + MockView view; + Transform transform(view, ConstrainMode::HeightOnly); + transform.resize({{ 1000, 1000 }}); + transform.setLatLngZoom({ 0, 0 }, 1); + + const LatLng coordinateSanFrancisco { 37.7833, -122.4167 }; + ScreenCoordinate pixelSF = transform.latLngToScreenCoordinate(coordinateSanFrancisco); + ASSERT_DOUBLE_EQ(151.79409149185352, pixelSF.x); + ASSERT_DOUBLE_EQ(383.76774094913071, pixelSF.y); + + transform.setLatLng({ 0, -181 }); + ScreenCoordinate pixelSFBackwards = transform.latLngToScreenCoordinate(coordinateSanFrancisco); + ASSERT_DOUBLE_EQ(666.63617954008976, pixelSFBackwards.x); + ASSERT_DOUBLE_EQ(pixelSF.y, pixelSFBackwards.y); + + transform.setLatLng({ 0, 179 }); + ScreenCoordinate pixelSFForwards = transform.latLngToScreenCoordinate(coordinateSanFrancisco); + ASSERT_DOUBLE_EQ(pixelSFBackwards.x, pixelSFForwards.x); + ASSERT_DOUBLE_EQ(pixelSFBackwards.y, pixelSFForwards.y); +} |