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MapLibreParticleLab/test/map/map.test.cpp

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#include <gmock/gmock.h>
#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/test/stub_map_observer.hpp>
#include <mbgl/test/fake_file_source.hpp>
#include <mbgl/test/fixture_log_observer.hpp>
#include <mbgl/test/map_adapter.hpp>
#include <mbgl/gfx/backend_scope.hpp>
#include <mbgl/gfx/headless_frontend.hpp>
#include <mbgl/gfx/shader_registry.hpp>
#include <mbgl/map/map_options.hpp>
#include <mbgl/math/log2.hpp>
#include <mbgl/renderer/renderer.hpp>
#include <mbgl/renderer/update_parameters.hpp>
#include <mbgl/storage/file_source_manager.hpp>
#include <mbgl/storage/main_resource_loader.hpp>
#include <mbgl/storage/network_status.hpp>
#include <mbgl/storage/online_file_source.hpp>
#include <mbgl/storage/resource_options.hpp>
#include <mbgl/style/expression/dsl.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/fill_layer.hpp>
#include <mbgl/style/layers/line_layer.hpp>
#include <mbgl/style/layers/raster_layer.hpp>
#include <mbgl/style/layers/symbol_layer.hpp>
#include <mbgl/style/sources/custom_geometry_source.hpp>
#include <mbgl/style/sources/geojson_source.hpp>
#include <mbgl/style/sources/image_source.hpp>
#include <mbgl/style/sources/vector_source.hpp>
#include <mbgl/style/style_impl.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/util/async_task.hpp>
#include <mbgl/util/client_options.hpp>
#include <mbgl/util/color.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/geo.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/logging.hpp>
#include <mbgl/util/run_loop.hpp>
#include <atomic>
using namespace mbgl;
using namespace mbgl::style;
using namespace std::literals::string_literals;
template <class FileSource = StubFileSource, class Frontend = HeadlessFrontend>
class MapTest {
public:
util::RunLoop runLoop;
std::shared_ptr<FileSource> fileSource;
StubMapObserver observer;
Frontend frontend;
MapAdapter map;
MapTest(float pixelRatio = 1, MapMode mode = MapMode::Static)
: fileSource(std::make_shared<FileSource>(ResourceOptions::Default(), ClientOptions())),
frontend(pixelRatio),
map(frontend,
observer,
fileSource,
MapOptions().withMapMode(mode).withSize(frontend.getSize()).withPixelRatio(pixelRatio)) {}
explicit MapTest(MapOptions options)
: fileSource(std::make_shared<FileSource>()),
frontend(options.pixelRatio()),
map(frontend, observer, fileSource, options.withSize(frontend.getSize())) {}
template <typename T = FileSource>
MapTest(const std::string& cachePath,
const std::string& assetPath,
float pixelRatio = 1,
MapMode mode = MapMode::Static,
typename std::enable_if_t<std::is_same_v<T, MainResourceLoader>>* = nullptr)
: fileSource(std::make_shared<T>(ResourceOptions().withCachePath(cachePath).withAssetPath(assetPath),
ClientOptions())),
frontend(pixelRatio),
map(frontend,
observer,
fileSource,
MapOptions().withMapMode(mode).withSize(frontend.getSize()).withPixelRatio(pixelRatio)) {}
template <typename T = FileSource>
MapTest(const ResourceOptions& resourceOptions,
const ClientOptions& clientOptions = ClientOptions(),
float pixelRatio = 1,
MapMode mode = MapMode::Static)
: fileSource(std::make_shared<T>(resourceOptions, clientOptions)),
frontend(pixelRatio),
map(frontend,
observer,
fileSource,
MapOptions().withMapMode(mode).withSize(frontend.getSize()).withPixelRatio(pixelRatio)) {}
};
TEST(Map, RendererState) {
MapTest<> test;
// Map hasn't notified the frontend about an update yet.
CameraOptions nullOptions;
ASSERT_EQ(test.frontend.getCameraOptions(), nullOptions);
LatLng coordinate{1, 1};
double zoom = 12.0;
double pitchInDegrees = 45.0;
double bearingInDegrees = 30.0;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.jumpTo(
CameraOptions().withCenter(coordinate).withZoom(zoom).withPitch(pitchInDegrees).withBearing(bearingInDegrees));
test.runLoop.runOnce();
test.frontend.render(test.map);
// RendererState::getCameraOptions
const CameraOptions& options = test.frontend.getCameraOptions();
EXPECT_NEAR(options.center->latitude(), coordinate.latitude(), 1e-7);
EXPECT_NEAR(options.center->longitude(), coordinate.longitude(), 1e-7);
ASSERT_DOUBLE_EQ(*options.zoom, zoom);
ASSERT_DOUBLE_EQ(*options.pitch, pitchInDegrees);
EXPECT_NEAR(*options.bearing, bearingInDegrees, 1e-7);
{
const LatLng& latLng = test.frontend.latLngForPixel(ScreenCoordinate{0, 0});
const ScreenCoordinate& point = test.frontend.pixelForLatLng(coordinate);
EXPECT_NEAR(coordinate.latitude(), latLng.latitude(), 1e-1);
EXPECT_NEAR(coordinate.longitude(), latLng.longitude(), 1e-1);
const Size size = test.map.getMapOptions().size();
EXPECT_NEAR(point.x, size.width / 2.0, 1e-7);
EXPECT_NEAR(point.y, size.height / 2.0, 1e-7);
}
// RendererState::hasImage
test.map.getStyle().addImage(std::make_unique<style::Image>(
"default_marker", decodeImage(util::read_file("test/fixtures/sprites/default_marker.png")), 1.0f));
// The frontend has not yet been notified about the newly-added image.
EXPECT_FALSE(test.frontend.hasImage("default_marker"));
test.runLoop.runOnce();
test.frontend.render(test.map);
EXPECT_TRUE(test.frontend.hasImage("default_marker"));
// RendererState::hasSource
auto source = std::make_unique<GeoJSONSource>("GeoJSONSource");
source->setGeoJSON(Geometry<double>{Point<double>{0, 0}});
test.map.getStyle().addSource(std::move(source));
// The frontend has not yet been notified about the newly-added source.
EXPECT_FALSE(test.frontend.hasSource("GeoJSONSource"));
test.runLoop.runOnce();
test.frontend.render(test.map);
EXPECT_TRUE(test.frontend.hasSource("GeoJSONSource"));
// RendererState::hasLayer
test.map.getStyle().addLayer(std::make_unique<SymbolLayer>("SymbolLayer", "GeoJSONSource"));
// The frontend has not yet been notified about the newly-added source.
EXPECT_FALSE(test.frontend.hasLayer("SymbolLayer"));
test.runLoop.runOnce();
test.frontend.render(test.map);
EXPECT_TRUE(test.frontend.hasLayer("SymbolLayer"));
}
TEST(Map, LatLngBehavior) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{1.0, 1.0}).withZoom(0.0));
auto latLng1 = *test.map.getCameraOptions().center;
test.map.jumpTo(CameraOptions().withCenter(LatLng{1.0, 1.0}));
auto latLng2 = *test.map.getCameraOptions().center;
ASSERT_DOUBLE_EQ(latLng1.latitude(), latLng2.latitude());
ASSERT_DOUBLE_EQ(latLng1.longitude(), latLng2.longitude());
}
TEST(Map, LatLngBoundsToCamera) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{40.712730, -74.005953}).withZoom(16.0));
LatLngBounds bounds = LatLngBounds::hull({15.68169, 73.499857}, {53.560711, 134.77281});
CameraOptions virtualCamera = test.map.cameraForLatLngBounds(bounds, {});
ASSERT_TRUE(bounds.contains(*virtualCamera.center));
EXPECT_NEAR(*virtualCamera.zoom, 1.55467, 1e-5);
}
TEST(Map, LatLngBoundsToCameraWithExcessivePadding) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{40.712730, -74.005953}).withZoom(16.0));
LatLngBounds bounds = LatLngBounds::hull({15.68169, 73.499857}, {53.560711, 134.77281});
CameraOptions virtualCamera = test.map.cameraForLatLngBounds(bounds, {500, 0, 1200, 0});
ASSERT_TRUE(bounds.contains(*virtualCamera.center));
EXPECT_NEAR(*virtualCamera.zoom, 16.0, 1e-5);
}
TEST(Map, LatLngBoundsToCameraWithBearing) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{40.712730, -74.005953}).withZoom(16.0));
LatLngBounds bounds = LatLngBounds::hull({15.68169, 73.499857}, {53.560711, 134.77281});
CameraOptions virtualCamera = test.map.cameraForLatLngBounds(bounds, {}, 35.0);
ASSERT_TRUE(bounds.contains(*virtualCamera.center));
EXPECT_NEAR(*virtualCamera.zoom, 1.21385, 1e-5);
EXPECT_NEAR(virtualCamera.bearing.value_or(0), 35.0, 1e-5);
}
TEST(Map, LatLngBoundsToCameraWithBearingPitchAndPadding) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{40.712730, -74.005953}).withZoom(16.0));
LatLngBounds bounds = LatLngBounds::hull({15.68169, 73.499857}, {53.560711, 134.77281});
CameraOptions virtualCamera = test.map.cameraForLatLngBounds(bounds, {}, 35, 20);
ASSERT_TRUE(bounds.contains(*virtualCamera.center));
EXPECT_NEAR(*virtualCamera.zoom, 13.66272, 1e-5);
ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 20.0);
EXPECT_NEAR(virtualCamera.bearing.value_or(0), 35.0, 1e-5);
const EdgeInsets padding = EdgeInsets{10, 20, 30, 40};
const CameraOptions virtualCameraPadded = test.map.cameraForLatLngBounds(bounds, padding, 35, 20);
ASSERT_TRUE(bounds.contains(*virtualCameraPadded.center));
ASSERT_DOUBLE_EQ(virtualCameraPadded.center->latitude(), virtualCamera.center->latitude());
ASSERT_DOUBLE_EQ(virtualCameraPadded.center->longitude(), virtualCamera.center->longitude());
const Size size = test.map.getMapOptions().size();
const auto scaleChange = std::min((size.width - padding.left() - padding.right()) / size.width,
(size.height - padding.top() - padding.bottom()) / size.height);
ASSERT_DOUBLE_EQ(*virtualCameraPadded.zoom, *virtualCamera.zoom + util::log2(scaleChange));
ASSERT_DOUBLE_EQ(*virtualCameraPadded.pitch, *virtualCamera.pitch);
ASSERT_DOUBLE_EQ(*virtualCameraPadded.bearing, *virtualCamera.bearing);
}
TEST(Map, LatLngsToCamera) {
MapTest<> test;
std::vector<LatLng> latLngs{{40.712730, 74.005953}, {15.68169, 73.499857}, {30.82678, 83.4082}};
CameraOptions virtualCamera = test.map.cameraForLatLngs(latLngs, {}, 23.0);
EXPECT_NEAR(virtualCamera.bearing.value_or(0), 23.0, 1e-5);
EXPECT_NEAR(virtualCamera.zoom.value_or(0), 2.75434, 1e-5);
EXPECT_NEAR(virtualCamera.center->latitude(), 28.49288, 1e-5);
EXPECT_NEAR(virtualCamera.center->longitude(), 74.97437, 1e-5);
}
TEST(Map, LatLngsToCameraWithBearingAndPitch) {
MapTest<> test;
std::vector<LatLng> latLngs{{40.712730, 74.005953}, {15.68169, 73.499857}, {30.82678, 83.4082}};
CameraOptions virtualCamera = test.map.cameraForLatLngs(latLngs, {}, 23, 20);
EXPECT_NEAR(virtualCamera.bearing.value_or(0), 23.0, 1e-5);
EXPECT_NEAR(virtualCamera.zoom.value_or(0), 3.04378, 1e-5);
EXPECT_NEAR(virtualCamera.center->latitude(), 28.53718, 1e-5);
EXPECT_NEAR(virtualCamera.center->longitude(), 74.31746, 1e-5);
ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 20.0);
}
TEST(Map, LatLngsToCameraWithBearingAndPitchMinMax) {
MapTest<> test;
std::vector<LatLng> latLngs{{40.712730, 74.005953}, {15.68169, 73.499857}, {30.82678, 83.4082}};
test.map.setBounds(BoundOptions().withMinPitch(0).withMaxPitch(0));
CameraOptions virtualCamera = test.map.cameraForLatLngs(latLngs, {}, 23, 45);
EXPECT_NEAR(virtualCamera.bearing.value_or(0), 23.0, 1e-5);
EXPECT_NEAR(virtualCamera.zoom.value_or(0), 2.75434, 1e-5);
EXPECT_NEAR(virtualCamera.center->latitude(), 28.49288, 1e-5);
EXPECT_NEAR(virtualCamera.center->longitude(), 74.97437, 1e-5);
ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 0);
ASSERT_DOUBLE_EQ(*test.map.getBounds().minPitch, 0);
ASSERT_DOUBLE_EQ(*test.map.getBounds().maxPitch, 0);
test.map.setBounds(BoundOptions().withMinPitch(20).withMaxPitch(60));
virtualCamera = test.map.cameraForLatLngs(latLngs, {}, 23, 0);
EXPECT_NEAR(virtualCamera.bearing.value_or(0), 23.0, 1e-5);
EXPECT_NEAR(virtualCamera.zoom.value_or(0), 3.04378, 1e-5);
EXPECT_NEAR(virtualCamera.center->latitude(), 28.53718, 1e-5);
EXPECT_NEAR(virtualCamera.center->longitude(), 74.31746, 1e-5);
ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 20.0);
ASSERT_DOUBLE_EQ(*test.map.getBounds().minPitch, 20);
ASSERT_DOUBLE_EQ(*test.map.getBounds().maxPitch, 60);
}
TEST(Map, CameraToLatLngBounds) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{45, 90}).withZoom(16.0));
const Size size = test.map.getMapOptions().size();
LatLngBounds bounds = LatLngBounds::hull(test.map.latLngForPixel({}),
test.map.latLngForPixel({double(size.width), double(size.height)}));
CameraOptions camera = test.map.getCameraOptions();
ASSERT_EQ(bounds, test.map.latLngBoundsForCamera(camera));
// Map::cameraForLatLngBounds only sets zoom and center.
CameraOptions virtualCamera = test.map.cameraForLatLngBounds(bounds, {});
ASSERT_NEAR(*camera.zoom, *virtualCamera.zoom, 1e-7);
ASSERT_NEAR(camera.center->latitude(), virtualCamera.center->latitude(), 1e-7);
ASSERT_NEAR(camera.center->longitude(), virtualCamera.center->longitude(), 1e-7);
}
TEST(Map, CameraToLatLngBoundsUnwrappedWithRotation) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{45, 90}).withZoom(16.0).withBearing(45.0));
const Size size = test.map.getMapOptions().size();
CameraOptions camera = test.map.getCameraOptions();
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(test.map.latLngForPixel({})));
ASSERT_TRUE(
test.map.latLngBoundsForCameraUnwrapped(camera).contains(test.map.latLngForPixel({0.0, double(size.height)})));
ASSERT_TRUE(
test.map.latLngBoundsForCameraUnwrapped(camera).contains(test.map.latLngForPixel({double(size.width), 0.0})));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(
test.map.latLngForPixel({double(size.width), double(size.height)})));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(
test.map.latLngForPixel({double(size.width) / 2, double(size.height) / 2})));
}
TEST(Map, CameraToLatLngBoundsUnwrappedCrossDateLine) {
MapTest<> test;
test.map.jumpTo(CameraOptions().withCenter(LatLng{0, 180}).withZoom(16.0));
const Size size = test.map.getMapOptions().size();
CameraOptions camera = test.map.getCameraOptions();
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(test.map.latLngForPixel({}), LatLng::Wrapped));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(
test.map.latLngForPixel({0.0, double(size.height)}), LatLng::Wrapped));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(
test.map.latLngForPixel({double(size.width), 0.0}), LatLng::Wrapped));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(
test.map.latLngForPixel({double(size.width), double(size.height)}), LatLng::Wrapped));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).contains(
test.map.latLngForPixel({double(size.width) / 2, double(size.height) / 2})));
ASSERT_TRUE(test.map.latLngBoundsForCameraUnwrapped(camera).crossesAntimeridian());
}
TEST(Map, Offline) {
MapTest<MainResourceLoader> test{":memory:", "."};
auto expiredItem = [](const std::string& path) {
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/offline/"s + path));
response.expires = Timestamp{Seconds(0)};
return response;
};
NetworkStatus::Set(NetworkStatus::Status::Offline);
const std::string prefix = "http://127.0.0.1:3000/";
std::shared_ptr<FileSource> dbfs = FileSourceManager::get()->getFileSource(FileSourceType::Database,
ResourceOptions{});
dbfs->forward(Resource::style(prefix + "style.json"), expiredItem("style.json"), [] {});
dbfs->forward(Resource::source(prefix + "streets.json"), expiredItem("streets.json"), [] {});
dbfs->forward(Resource::spriteJSON(prefix + "sprite", 1.0), expiredItem("sprite.json"), [] {});
dbfs->forward(Resource::spriteImage(prefix + "sprite", 1.0), expiredItem("sprite.png"), [] {});
dbfs->forward(Resource::tile(prefix + "{z}-{x}-{y}.vector.pbf", 1.0, 0, 0, 0, Tileset::Scheme::XYZ),
expiredItem("0-0-0.vector.pbf"),
[] {});
dbfs->forward(Resource::glyphs(prefix + "{fontstack}/{range}.pbf", {{"Helvetica"}}, {0, 255}),
expiredItem("glyph.pbf"),
[&] { test.map.getStyle().loadURL(prefix + "style.json"); });
#if ANDROID
test::checkImage("test/fixtures/map/offline", test.frontend.render(test.map).image, 0.0046, 0.1);
#elif WIN32
test::checkImage("test/fixtures/map/offline", test.frontend.render(test.map).image, 0.035, 0.1);
#else
test::checkImage("test/fixtures/map/offline", test.frontend.render(test.map).image, 0.0015, 0.1);
#endif
NetworkStatus::Set(NetworkStatus::Status::Online);
}
TEST(Map, SetStyleDefaultCamera) {
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
CameraOptions camera = test.map.getCameraOptions();
EXPECT_DOUBLE_EQ(*camera.zoom, 0.0);
EXPECT_DOUBLE_EQ(*camera.pitch, 0.0);
EXPECT_DOUBLE_EQ(*camera.bearing, 0.0);
EXPECT_EQ(*camera.center, LatLng{});
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty-zoomed.json"));
camera = test.map.getCameraOptions();
EXPECT_DOUBLE_EQ(*camera.zoom, 0.0);
test.map.jumpTo(test.map.getStyle().getDefaultCamera());
camera = test.map.getCameraOptions();
EXPECT_DOUBLE_EQ(*camera.zoom, 0.5);
}
TEST(Map, ProjectionMode) {
MapTest<> test;
test.map.setProjectionMode(ProjectionMode().withAxonometric(true).withXSkew(1.0).withYSkew(0.0));
auto options = test.map.getProjectionMode();
EXPECT_TRUE(*options.axonometric);
EXPECT_EQ(*options.xSkew, 1.0);
EXPECT_EQ(*options.ySkew, 0.0);
}
TEST(Map, BoundOptions) {
MapTest<> test;
LatLngBounds llb = LatLngBounds::hull({-10, -10}, {10, 10});
test.map.setBounds(BoundOptions().withMinZoom(4).withMaxZoom(10).withLatLngBounds(llb));
auto bounds = test.map.getBounds();
EXPECT_EQ(*bounds.minZoom, 4);
EXPECT_EQ(*bounds.maxZoom, 10);
EXPECT_EQ(*bounds.bounds, llb);
}
TEST(Map, DefaultBoundOptions) {
MapTest<> test;
auto bounds = test.map.getBounds();
EXPECT_TRUE(bounds.minZoom);
EXPECT_TRUE(bounds.maxZoom);
EXPECT_TRUE(bounds.bounds);
EXPECT_EQ(*bounds.minZoom, util::MIN_ZOOM);
EXPECT_EQ(*bounds.maxZoom, util::DEFAULT_MAX_ZOOM);
EXPECT_EQ(*bounds.bounds, LatLngBounds());
}
TEST(Map, MapOptions) {
float pixelRatio{2};
MapTest<> test{pixelRatio, MapMode::Continuous};
test.map.setNorthOrientation(NorthOrientation::Rightwards);
test.map.setConstrainMode(ConstrainMode::None);
test.map.setViewportMode(ViewportMode::FlippedY);
Size size = {512, 512};
test.map.setSize(size);
auto options = test.map.getMapOptions();
EXPECT_EQ(options.mapMode(), MapMode::Continuous);
EXPECT_EQ(options.viewportMode(), ViewportMode::FlippedY);
EXPECT_EQ(options.constrainMode(), ConstrainMode::None);
EXPECT_EQ(options.northOrientation(), NorthOrientation::Rightwards);
EXPECT_EQ(options.size(), size);
EXPECT_EQ(options.pixelRatio(), pixelRatio);
}
TEST(Map, DefaultMapOptions) {
MapTest<> test;
auto options = test.map.getMapOptions();
EXPECT_EQ(options.mapMode(), MapMode::Static);
EXPECT_EQ(options.viewportMode(), ViewportMode::Default);
EXPECT_EQ(options.constrainMode(), ConstrainMode::HeightOnly);
EXPECT_EQ(options.northOrientation(), NorthOrientation::Upwards);
EXPECT_TRUE(options.crossSourceCollisions());
EXPECT_EQ(options.size().width, 256);
EXPECT_EQ(options.size().height, 256);
EXPECT_EQ(options.pixelRatio(), 1);
}
TEST(Map, SetStyleInvalidJSON) {
Log::setObserver(std::make_unique<FixtureLogObserver>());
bool fail = false;
{
MapTest<> test;
test.observer.didFailLoadingMapCallback = [&]() {
fail = true;
};
test.map.getStyle().loadJSON("invalid");
}
EXPECT_TRUE(fail);
auto observer = Log::removeObserver();
auto flo = static_cast<FixtureLogObserver*>(observer.get());
EXPECT_EQ(
1u,
flo->count({EventSeverity::Error, Event::ParseStyle, -1, "Failed to parse style: Invalid value. at offset 0"}));
auto unchecked = flo->unchecked();
EXPECT_TRUE(unchecked.empty()) << unchecked;
}
TEST(Map, SetStyleInvalidURL) {
MapTest<> test;
test.fileSource->styleResponse = [](const Resource&) {
Response response;
response.error = std::make_unique<Response::Error>(Response::Error::Reason::Other, "Failed by the test case");
return response;
};
test.observer.didFailLoadingMapCallback = [&]() {
test.runLoop.stop();
};
test.map.getStyle().loadURL("maptiler://bar");
test.runLoop.run();
}
TEST(Map, DoubleStyleLoad) {
MapTest<> test;
test.map.getStyle().loadJSON("");
test.map.getStyle().loadJSON("");
}
TEST(Map, StyleFresh) {
// The map should continue to revalidate fresh styles.
MapTest<FakeFileSource> test;
test.map.getStyle().loadURL("maptiler://maps/test");
EXPECT_EQ(1u, test.fileSource->requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = Timestamp::max();
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
}
TEST(Map, StyleExpired) {
// The map should allow expired styles to be revalidated until we get a fresh style.
using namespace std::chrono_literals;
MapTest<FakeFileSource> test;
test.map.getStyle().loadURL("maptiler://maps/test");
EXPECT_EQ(1u, test.fileSource->requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = util::now() - 1h;
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
// Mutate layer. From now on, sending a response to the style won't
// overwrite it anymore, but we should continue to wait for a fresh
// response.
test.map.getStyle().addLayer(std::make_unique<style::BackgroundLayer>("bg"));
EXPECT_EQ(1u, test.fileSource->requests.size());
// Send another expired response, and confirm that we didn't overwrite the
// style, but continue to wait for a fresh response.
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
EXPECT_NE(nullptr, test.map.getStyle().getLayer("bg"));
// Send a fresh response, and confirm that we didn't overwrite the style,
// but continue to wait for a fresh response.
response.expires = util::now() + 1h;
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
EXPECT_NE(nullptr, test.map.getStyle().getLayer("bg"));
}
TEST(Map, StyleExpiredWithAnnotations) {
// Adding an annotation should not prevent revalidation of an expired style.
using namespace std::chrono_literals;
MapTest<FakeFileSource> test;
test.map.getStyle().loadURL("maptiler://maps/test");
EXPECT_EQ(1u, test.fileSource->requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = util::now() - 1h;
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
test.map.addAnnotation(LineAnnotation{LineString<double>{{{0, 0}, {10, 10}}}});
EXPECT_EQ(1u, test.fileSource->requests.size());
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
}
TEST(Map, StyleExpiredWithRender) {
// Rendering should not prevent revalidation of an expired style.
using namespace std::chrono_literals;
MapTest<FakeFileSource> test;
test.map.getStyle().loadURL("maptiler://maps/test");
EXPECT_EQ(1u, test.fileSource->requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = util::now() - 1h;
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
test.frontend.render(test.map);
EXPECT_EQ(1u, test.fileSource->requests.size());
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
}
TEST(Map, StyleEarlyMutation) {
// An early mutation should not prevent the initial style load.
MapTest<FakeFileSource> test;
test.map.getStyle().loadURL("maptiler://maps/test");
test.map.getStyle().addLayer(std::make_unique<style::BackgroundLayer>("bg"));
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/water.json"));
test.fileSource->respond(Resource::Style, response);
EXPECT_EQ(1u, test.fileSource->requests.size());
EXPECT_NE(nullptr, test.map.getStyle().getLayer("water"));
}
TEST(Map, MapLoadingSignal) {
MapTest<> test;
bool emitted = false;
test.observer.willStartLoadingMapCallback = [&]() {
emitted = true;
};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
EXPECT_TRUE(emitted);
}
TEST(Map, MapLoadedSignal) {
MapTest<> test{1, MapMode::Continuous};
test.observer.didFinishLoadingMapCallback = [&]() {
test.runLoop.stop();
};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.runLoop.run();
}
TEST(Map, StyleLoadedSignal) {
MapTest<> test;
// The map should emit a signal on style loaded
bool emitted = false;
test.observer.didFinishLoadingStyleCallback = [&]() {
emitted = true;
};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
EXPECT_TRUE(emitted);
// But not when the style couldn't be parsed
emitted = false;
test.map.getStyle().loadJSON("invalid");
EXPECT_FALSE(emitted);
}
// Test for https://github.com/mapbox/mapbox-gl-native/issues/7902
TEST(Map, TEST_REQUIRES_SERVER(StyleNetworkErrorRetry)) {
MapTest<OnlineFileSource> test(ResourceOptions::Default());
test.map.getStyle().loadURL("http://127.0.0.1:3000/style-fail-once-500");
test.observer.didFinishLoadingStyleCallback = [&]() {
test.runLoop.stop();
};
test.runLoop.run();
}
TEST(Map, TEST_REQUIRES_SERVER(StyleNotFound)) {
MapTest<OnlineFileSource> test(ResourceOptions::Default());
test.map.getStyle().loadURL("http://127.0.0.1:3000/style-fail-once-404");
using namespace std::chrono_literals;
util::Timer timer;
// Not found errors should not trigger a retry like other errors.
test.observer.didFinishLoadingStyleCallback = [&]() {
FAIL() << "Should not retry on not found!";
};
test.observer.didFailLoadingMapCallback = [&]() {
timer.start(Milliseconds(1100), 0s, [&] { test.runLoop.stop(); });
};
test.runLoop.run();
// Should also not retry if the response has cache headers.
test.map.getStyle().loadURL("http://127.0.0.1:3000/style-fail-once-404-cache");
test.runLoop.run();
}
TEST(Map, AddLayer) {
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
auto layer = std::make_unique<BackgroundLayer>("background");
layer->setBackgroundColor({{1, 0, 0, 1}});
test.map.getStyle().addLayer(std::move(layer));
test::checkImage("test/fixtures/map/add_layer", test.frontend.render(test.map).image);
}
TEST(Map, RemoveLayer) {
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
auto layer = std::make_unique<BackgroundLayer>("background");
layer->setBackgroundColor({{1, 0, 0, 1}});
test.map.getStyle().addLayer(std::move(layer));
test.map.getStyle().removeLayer("background");
test::checkImage("test/fixtures/map/remove_layer", test.frontend.render(test.map).image);
}
TEST(Map, DisabledSources) {
MapTest<> test;
// Always load the same image tile for raster layers.
test.fileSource->response = [](const Resource& res) -> std::optional<Response> {
if (res.url == "asset://tile.png") {
Response response;
response.data = std::make_shared<std::string>(
util::read_file("test/fixtures/map/disabled_layers/tile.png"));
return {std::move(response)};
}
return {};
};
test.map.jumpTo(CameraOptions().withZoom(1.0));
// This stylesheet has two raster layers, one that starts at zoom 1, the
// other at zoom 0. We first render a map at zoom level 1, which should show
// both layers (both are "visible" due to an opacity of 0.5). Then, we are
// zooming back out to a zoom level of 0.5 and rerender. The "raster1" layer
// should not be visible anymore since it has minzoom 1, while "raster2"
// should still be there. Both layers have a distinct color through
// "raster-hue-rotate".
test.map.getStyle().loadJSON(R"STYLE(
{
"version": 8,
"name": "Test",
"sources": {
"raster": {
"type": "raster",
"tiles": [ "asset://tile.png" ],
"tileSize": 256
}
},
"layers": [{
"id": "background",
"type": "background",
"paint": {
"background-color": "white"
}
}, {
"id": "raster1",
"type": "raster",
"source": "raster",
"minzoom": 0
}, {
"id": "raster2",
"type": "raster",
"source": "raster",
"minzoom": 1,
"paint": {
"raster-hue-rotate": 180
}
}]
}
)STYLE");
test::checkImage("test/fixtures/map/disabled_layers/first", test.frontend.render(test.map).image);
test.map.jumpTo(CameraOptions().withZoom(0.5));
test::checkImage("test/fixtures/map/disabled_layers/second", test.frontend.render(test.map).image);
}
TEST(Map, DontLoadUnneededTiles) {
MapTest<> test;
test.map.getStyle().loadJSON(R"STYLE({
"sources": {
"a": { "type": "vector", "tiles": [ "a/{z}/{x}/{y}" ] }
},
"layers": [{
"id": "a",
"type": "fill",
"source": "a",
"source-layer": "a",
"minzoom": 0.3,
"maxzoom": 1.6
}]
})STYLE");
using Tiles = std::unordered_set<std::string>;
Tiles tiles;
test.fileSource->tileResponse = [&](const Resource& rsc) {
tiles.emplace(rsc.url);
Response res;
res.noContent = true;
return res;
};
std::unordered_map<double, Tiles> referenceTiles = {
// Since the layer's minzoom is 0.3, we shouldn't load tiles before z0.3
{0.3, {"a/0/0/0"}},
{1.0, {"a/1/1/0", "a/1/0/1", "a/1/0/0", "a/1/1/1"}},
// Since the layer's maxzoom is 1.6, we should never load z2 or z3 tiles.
};
// Loop through zoom levels from 0 to 3 and check that the correct tiles are
// loaded at every step. The source is marked with maxzoom 1.0, which means
// that it won't be visible anymore after z1.0, so we should under no
// circumstances attempt to load z2 tiles.
for (unsigned zoom = 0; zoom <= 30; zoom++) { // times 10
// Note: using z += 0.1 in the loop doesn't produce accurate floating point numbers.
const double z = double(zoom) / 10;
tiles.clear();
test.map.jumpTo(CameraOptions().withZoom(z));
test.frontend.render(test.map);
EXPECT_EQ(referenceTiles[z], tiles) << "zoom level " << z;
}
}
TEST(Map, TEST_DISABLED_ON_CI(ContinuousRendering)) {
util::RunLoop runLoop;
using namespace std::chrono_literals;
util::Timer emergencyShutoff;
emergencyShutoff.start(10s, 0s, [&] {
runLoop.stop();
FAIL() << "Did not stop rendering";
});
util::Timer timer;
HeadlessFrontend frontend(1);
StubMapObserver observer;
observer.didFinishRenderingFrameCallback = [&](MapObserver::RenderFrameStatus) {
// Start a timer that ends the test one second from now. If we are
// continuing to render indefinitely, the timer will be constantly
// restarted and never trigger. Instead, the emergency shutoff above
// will trigger, failing the test.
timer.start(1s, 0s, [&] { runLoop.stop(); });
};
Map map(frontend,
observer,
MapOptions().withMapMode(MapMode::Continuous).withSize(frontend.getSize()),
ResourceOptions().withCachePath(":memory:").withAssetPath("test/fixtures/api/assets"));
map.getStyle().loadJSON(util::read_file("test/fixtures/api/water.json"));
runLoop.run();
}
TEST(Map, NoContentTiles) {
MapTest<MainResourceLoader> test{":memory:", "."};
using namespace std::chrono_literals;
// Insert a 204 No Content response for the 0/0/0 tile
Response response;
response.noContent = true;
response.expires = util::now() + 1h;
std::shared_ptr<FileSource> dbfs = FileSourceManager::get()->getFileSource(FileSourceType::Database,
ResourceOptions{});
dbfs->forward(
Resource::tile("http://example.com/{z}-{x}-{y}.vector.pbf", 1.0, 0, 0, 0, Tileset::Scheme::XYZ), response, [&] {
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"name": "Water",
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "background",
"type": "background",
"paint": {
"background-color": "red"
}
}, {
"id": "water",
"type": "fill",
"source": "mapbox",
"source-layer": "water"
}]
})STYLE");
});
test::checkImage("test/fixtures/map/nocontent", test.frontend.render(test.map).image, 0.0015, 0.1);
}
// https://github.com/mapbox/mapbox-gl-native/issues/12432
TEST(Map, Issue12432) {
MapTest<> test{1, MapMode::Continuous};
test.fileSource->tileResponse = [&](const Resource&) {
Response result;
result.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/issue12432/0-0-0.mvt"));
return result;
};
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "water",
"type": "fill",
"source": "mapbox",
"source-layer": "water"
}]
})STYLE");
test.observer.didFinishLoadingMapCallback = [&]() {
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "water",
"type": "line",
"source": "mapbox",
"source-layer": "water"
}]
})STYLE");
test.runLoop.stop();
};
test.runLoop.run();
}
// https://github.com/mapbox/mapbox-gl-native/issues/15216
TEST(Map, Issue15216) {
MapTest<> test{1.0f, MapMode::Continuous};
test.map.getStyle().addSource(std::make_unique<ImageSource>("ImageSource", std::array<LatLng, 4>()));
test.map.getStyle().addLayer(std::make_unique<RasterLayer>("RasterLayer", "ImageSource"));
// Passes, if there is no assertion hit.
test.runLoop.runOnce();
}
// https://github.com/mapbox/mapbox-gl-native/issues/15342
// Tests the fix for constant repaint caused by `RenderSource::hasFadingTiles()`
// returning `true` all the time.
TEST(Map, Issue15342) {
MapTest<> test{1, MapMode::Continuous};
test.fileSource->tileResponse = [&](const Resource&) {
Response result;
result.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/issue12432/0-0-0.mvt"));
return result;
};
test.map.jumpTo(CameraOptions().withZoom(3.0));
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "water",
"type": "fill",
"source": "mapbox",
"source-layer": "water"
}]
})STYLE");
test.observer.didFinishLoadingMapCallback = [&]() {
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": []
})STYLE");
test.map.jumpTo(CameraOptions().withZoom(20.0));
test.observer.didFinishRenderingFrameCallback = [&](MapObserver::RenderFrameStatus status) {
if (!status.needsRepaint) {
test.runLoop.stop();
}
};
};
test.runLoop.run();
}
TEST(Map, UniversalStyleGetter) {
MapTest<> test;
test.map.getStyle().loadJSON(R"STYLE({
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "line",
"type": "line",
"source": "mapbox",
"paint": {
"line-color": "red",
"line-opacity": 0.5,
"line-width": ["get", "width"],
"line-opacity-transition": {
"duration": 400,
"delay": 500
}
},
"layout": {
"line-cap": "butt"
}
}]
})STYLE");
Layer* lineLayer = test.map.getStyle().getLayer("line");
ASSERT_TRUE(lineLayer);
StyleProperty nonexistent = lineLayer->getProperty("nonexistent");
ASSERT_FALSE(nonexistent.getValue());
EXPECT_EQ(StyleProperty::Kind::Undefined, nonexistent.getKind());
StyleProperty undefined = lineLayer->getProperty("line-blur");
ASSERT_FALSE(undefined.getValue());
EXPECT_EQ(StyleProperty::Kind::Undefined, undefined.getKind());
StyleProperty lineColor = lineLayer->getProperty("line-color");
ASSERT_TRUE(lineColor.getValue());
EXPECT_EQ(StyleProperty::Kind::Expression, lineColor.getKind());
ASSERT_TRUE(lineColor.getValue().getArray());
const auto& color = *(lineColor.getValue().getArray());
EXPECT_EQ(5u, color.size());
EXPECT_EQ("rgba", *color[0].getString());
EXPECT_EQ(255.0, *color[1].getDouble());
EXPECT_EQ(0.0, *color[2].getDouble());
EXPECT_EQ(0.0, *color[3].getDouble());
EXPECT_EQ(1.0, *color[4].getDouble());
StyleProperty lineOpacity = lineLayer->getProperty("line-opacity");
ASSERT_TRUE(lineOpacity.getValue());
EXPECT_EQ(StyleProperty::Kind::Constant, lineOpacity.getKind());
ASSERT_TRUE(lineOpacity.getValue().getDouble());
EXPECT_EQ(0.5, *lineOpacity.getValue().getDouble());
StyleProperty lineOpacityTransition = lineLayer->getProperty("line-opacity-transition");
ASSERT_TRUE(lineOpacityTransition.getValue());
EXPECT_EQ(StyleProperty::Kind::Transition, lineOpacityTransition.getKind());
ASSERT_TRUE(lineOpacityTransition.getValue().getObject());
EXPECT_EQ(2u, lineOpacityTransition.getValue().getObject()->size());
StyleProperty lineColorTransition = lineLayer->getProperty("line-color-transition");
EXPECT_EQ(StyleProperty::Kind::Undefined, lineColorTransition.getKind());
StyleProperty lineWidth = lineLayer->getProperty("line-width");
ASSERT_TRUE(lineWidth.getValue());
EXPECT_EQ(StyleProperty::Kind::Expression, lineWidth.getKind());
ASSERT_TRUE(lineWidth.getValue().getArray());
const auto& expression = *lineWidth.getValue().getArray();
EXPECT_EQ(2u, expression.size());
ASSERT_TRUE(expression[0].getString());
EXPECT_EQ("number", *expression[0].getString());
ASSERT_TRUE(expression[1].getArray());
const auto& operation = *expression[1].getArray();
EXPECT_EQ(2, operation.size());
ASSERT_TRUE(operation[0].getString());
EXPECT_EQ("get", *operation[0].getString());
ASSERT_TRUE(operation[1].getString());
EXPECT_EQ("width", *operation[1].getString());
StyleProperty lineCap = lineLayer->getProperty("line-cap");
ASSERT_TRUE(lineCap.getValue());
EXPECT_EQ(StyleProperty::Kind::Constant, lineCap.getKind());
ASSERT_TRUE(lineCap.getValue().getString());
EXPECT_EQ(std::string("butt"), *lineCap.getValue().getString());
}
TEST(Map, NoHangOnMissingImage) {
MapTest<> test;
test.fileSource->tileResponse = [&](const Resource&) {
Response result;
result.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/issue12432/0-0-0.mvt"));
return result;
};
test.fileSource->spriteImageResponse = [&](const Resource&) {
Response result;
result.data = std::make_shared<std::string>(util::read_file("test/fixtures/resources/sprite.png"));
return result;
};
test.fileSource->spriteJSONResponse = [&](const Resource&) {
Response result;
result.data = std::make_shared<std::string>(util::read_file("test/fixtures/resources/sprite.json"));
return result;
};
const std::string style{R"STYLE({
"version": 8,
"sprite": "http://example.com/sprites/sprite",
"sources": {
"mapbox": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "background",
"type": "background",
"paint": {"background-color": "white"}
},{
"id": "water",
"type": "fill",
"source": "mapbox",
"source-layer": "water",
"paint": {"fill-pattern": "missing"}
}]
})STYLE"};
test.map.getStyle().loadJSON(style);
test.frontend.render(test.map);
test.map.getStyle().loadJSON(style);
test.map.jumpTo(test.map.getStyle().getDefaultCamera());
// The test passes if the following call does not hang.
test.frontend.render(test.map);
}
TEST(Map, PrefetchDeltaOverride) {
MapTest<> test{1, MapMode::Continuous};
test.map.getStyle().loadJSON(
R"STYLE({
"layers": [{
"id": "vector",
"type": "fill",
"source": "vector",
"minzoom": 0,
"maxzoom": 24
},
{
"id": "custom",
"type": "fill",
"source": "custom",
"minzoom": 0,
"maxzoom": 24
}]
})STYLE");
// Vector source
auto vectorSource = std::make_unique<VectorSource>("vector", Tileset{{"a/{z}/{x}/{y}"}});
vectorSource->setPrefetchZoomDelta(0);
test.map.getStyle().addSource(std::move(vectorSource));
std::atomic_int requestedTiles(0);
test.fileSource->tileResponse = [&](const Resource&) {
++requestedTiles;
Response res;
res.noContent = true;
return res;
};
// Custom source
CustomGeometrySource::Options options;
options.cancelTileFunction = [](const CanonicalTileID&) {
};
options.fetchTileFunction = [&requestedTiles, &test](const CanonicalTileID& tileID) {
++requestedTiles;
auto* customSrc = static_cast<CustomGeometrySource*>(test.map.getStyle().getSource("custom"));
if (customSrc) {
customSrc->setTileData(tileID, {});
}
};
auto customSource = std::make_unique<CustomGeometrySource>("custom", std::move(options));
customSource->setPrefetchZoomDelta(0);
test.map.getStyle().addSource(std::move(customSource));
test.map.jumpTo(CameraOptions().withZoom(double(16)));
test.observer.didFinishLoadingMapCallback = [&] {
test.runLoop.stop();
};
test.runLoop.run();
// 2 sources x 4 tiles
EXPECT_EQ(8, requestedTiles);
requestedTiles = 0;
// Should request z12 tiles when delta is set back to default, that is 4.
test.observer.didFinishRenderingFrameCallback = [&](MapObserver::RenderFrameStatus status) {
if (status.mode == MapObserver::RenderMode::Full) {
test.runLoop.stop();
}
};
test.map.getStyle().getSource("vector")->setPrefetchZoomDelta(std::nullopt);
test.map.getStyle().getSource("custom")->setPrefetchZoomDelta(std::nullopt);
test.runLoop.run();
// Each source requests 4 additional parent tiles.
EXPECT_EQ(8, requestedTiles);
}
// Test that custom source's tile pyramid is reset
// if there is a significant change.
TEST(Map, PrefetchDeltaOverrideCustomSource) {
MapTest<> test{1, MapMode::Continuous};
test.map.getStyle().loadJSON(
R"STYLE({
"layers": [{
"id": "custom",
"type": "fill",
"source": "custom",
"source-layer": "a",
"minzoom": 0,
"maxzoom": 24
}]
})STYLE");
std::atomic_int requestedTiles(0);
auto makeCustomSource = [&requestedTiles, &test] {
CustomGeometrySource::Options options;
options.cancelTileFunction = [](const CanonicalTileID&) {
};
options.fetchTileFunction = [&requestedTiles, &test](const CanonicalTileID& tileID) {
++requestedTiles;
auto* source = static_cast<CustomGeometrySource*>(test.map.getStyle().getSource("custom"));
if (source) {
source->setTileData(tileID, {});
}
};
return std::make_unique<CustomGeometrySource>("custom", std::move(options));
};
auto customSource = makeCustomSource();
customSource->setPrefetchZoomDelta(0);
test.map.getStyle().addSource(std::move(customSource));
test.map.jumpTo(CameraOptions().withZoom(double(16)));
test.observer.didFinishLoadingMapCallback = [&] {
test.runLoop.stop();
};
test.runLoop.run();
EXPECT_EQ(4, requestedTiles);
requestedTiles = 0;
test.observer.didFinishRenderingFrameCallback = [&](MapObserver::RenderFrameStatus status) {
if (status.mode == MapObserver::RenderMode::Full) {
test.runLoop.stop();
}
};
auto layer = test.map.getStyle().removeLayer("custom");
test.map.getStyle().removeSource("custom");
test.map.getStyle().addLayer(std::move(layer));
test.map.getStyle().addSource(makeCustomSource());
test.runLoop.run();
// Source was significantly mutated, therefore, tile pyramid would be
// cleared and current zoom level + parent tiles would be re-requested.
EXPECT_EQ(8, requestedTiles);
}
// Test verifies that Style::Impl::onSpriteLoaded does not create duplicate
// images when we get new spritesheet from the server and we merge it with
// currently used spritesheet.
TEST(Map, TEST_REQUIRES_SERVER(ExpiredSpriteSheet)) {
class ForwardingHeadlessFrontend : public HeadlessFrontend {
public:
using HeadlessFrontend::HeadlessFrontend;
~ForwardingHeadlessFrontend() override = default;
void update(std::shared_ptr<UpdateParameters> params) override {
if (checkParams) checkParams(params);
HeadlessFrontend::update(std::move(params));
}
std::function<void(std::shared_ptr<UpdateParameters>)> checkParams;
};
MapTest<MainResourceLoader, ForwardingHeadlessFrontend> test{":memory:", ".", 1, MapMode::Continuous};
auto makeResponse = [](const std::string& path, bool expires = false) {
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/online/"s + path));
response.expires = expires ? Timestamp{Seconds(0)} : Timestamp::max();
return response;
};
test.observer.didFinishLoadingMapCallback = [&test] {
test.frontend.checkParams = [](std::shared_ptr<UpdateParameters> params) {
EXPECT_TRUE(std::is_sorted(params->images->begin(), params->images->end()));
EXPECT_TRUE(params->images->size() < 4u);
};
NetworkStatus::Set(NetworkStatus::Status::Online);
test.observer.didBecomeIdleCallback = [&test] {
test.runLoop.stop();
};
};
NetworkStatus::Set(NetworkStatus::Status::Offline);
const std::string prefix = "http://127.0.0.1:3000/online/";
std::shared_ptr<FileSource> dbfs = FileSourceManager::get()->getFileSource(FileSourceType::Database,
ResourceOptions{});
dbfs->forward(Resource::style(prefix + "style.json"), makeResponse("style.json"), [] {});
dbfs->forward(Resource::source(prefix + "streets.json"), makeResponse("streets.json"), [] {});
dbfs->forward(Resource::spriteJSON(prefix + "sprite", 1.0), makeResponse("sprite.json", true), [] {});
dbfs->forward(Resource::spriteImage(prefix + "sprite", 1.0), makeResponse("sprite.png", true), [] {});
dbfs->forward(Resource::tile(prefix + "{z}-{x}-{y}.vector.pbf", 1.0, 0, 0, 0, Tileset::Scheme::XYZ),
makeResponse("0-0-0.vector.pbf"),
[&] { test.map.getStyle().loadURL(prefix + "style.json"); });
test.runLoop.run();
}
TEST(Map, SourceMinimumUpdateIntervalOverride) {
MapTest<> test{1, MapMode::Continuous};
test.map.getStyle().loadJSON(
R"STYLE({
"layers": [{
"id": "a",
"type": "fill",
"source": "source-a",
"minzoom": 0,
"maxzoom": 24
},
{
"id": "b",
"type": "fill",
"source": "source-b",
"minzoom": 0,
"maxzoom": 24
}]
})STYLE");
// Vector source
auto vectorSourceA = std::make_unique<VectorSource>("source-a", Tileset{{"a/{z}/{x}/{y}"}});
vectorSourceA->setMinimumTileUpdateInterval(Seconds(1));
test.map.getStyle().addSource(std::move(vectorSourceA));
auto vectorSourceB = std::make_unique<VectorSource>("source-b", Tileset{{"b/{z}/{x}/{y}"}});
test.map.getStyle().addSource(std::move(vectorSourceB));
std::atomic_int requestedTilesA(0);
std::atomic_int requestedTilesB(0);
test.fileSource->tileResponse = [&](const Resource& resource) -> Response {
assert(!resource.url.empty());
char firstSymbol = resource.url[0];
if (firstSymbol == 'a') {
EXPECT_EQ(Seconds(1), resource.minimumUpdateInterval);
++requestedTilesA;
} else if (firstSymbol == 'b') {
EXPECT_EQ(Duration::zero(), resource.minimumUpdateInterval);
++requestedTilesB;
} else {
EXPECT_FALSE(true) << "Never reached";
}
Response res;
res.noContent = true;
return res;
};
test.map.jumpTo(CameraOptions().withZoom(double(16)));
test.observer.didFinishLoadingMapCallback = [&] {
test.runLoop.stop();
};
test.runLoop.run();
EXPECT_EQ(8, requestedTilesA);
EXPECT_EQ(8, requestedTilesB);
}
namespace {
int requestsCount = 0;
auto makeResponse(const std::string& file, bool incrementCounter = false) {
return [file, incrementCounter](const Resource&) {
if (incrementCounter) ++requestsCount;
Response result;
result.data = std::make_shared<std::string>(util::read_file("test/fixtures/resources/" + file));
return result;
};
}
} // namespace
TEST(Map, KeepRenderData) {
MapTest<> test;
test.fileSource->tileResponse = makeResponse("vector.tile", true);
test.fileSource->glyphsResponse = makeResponse("glyphs.pbf", true);
// The resources below belong to style and requested on style re-load.
test.fileSource->styleResponse = makeResponse("style_vector.json");
test.fileSource->sourceResponse = makeResponse("source_vector.json");
test.fileSource->spriteJSONResponse = makeResponse("sprite.json");
test.fileSource->spriteImageResponse = makeResponse("sprite.png");
test.map.jumpTo(CameraOptions().withZoom(10));
test.map.getStyle().loadURL("maptiler://maps/streets");
const int iterations = 3;
const int resourcesCount = 4 /*tiles*/;
requestsCount = 0;
// Keep render data.
for (int i = 1; i <= iterations; ++i) {
test.frontend.render(test.map);
EXPECT_EQ(resourcesCount, requestsCount);
}
requestsCount = 0;
// Clear render data.
for (int i = 1; i <= iterations; ++i) {
test.frontend.getRenderer()->clearData();
test.frontend.render(test.map);
EXPECT_EQ(resourcesCount * i, requestsCount);
}
}
namespace {
bool isInsideTile(const mapbox::geometry::box<float>& box, float padding, Size viewportSize) {
if (box.min.x - padding < 0) return false;
if (box.min.y - padding < 0) return false;
if (box.max.x - padding > viewportSize.width) return false;
if (box.max.y - padding > viewportSize.height) return false;
return true;
}
} // namespace
// Disabled intentionally, no symbol placement occurs in MapTiler streets style
TEST(Map, DISABLED_PlacedSymbolData) {
MapTest<> test{std::move(MapOptions().withMapMode(MapMode::Tile))};
test.fileSource->tileResponse = makeResponse("vector.tile", true);
test.fileSource->glyphsResponse = makeResponse("glyphs.pbf", true);
test.fileSource->styleResponse = makeResponse("style_vector.json");
test.fileSource->sourceResponse = makeResponse("source_vector.json");
test.fileSource->spriteJSONResponse = makeResponse("sprite.json");
test.fileSource->spriteImageResponse = makeResponse("sprite.png");
// Camera options will give exactly one tile (12/1171/1566)
test.map.jumpTo(CameraOptions().withZoom(16).withCenter(LatLng{50.072317, 14.444827}));
test.map.getStyle().loadURL("maptiler://maps/streets");
Size viewportSize = test.frontend.getSize();
test.frontend.getRenderer()->collectPlacedSymbolData(true);
test.frontend.render(test.map);
const auto& placedSymbols = test.frontend.getRenderer()->getPlacedSymbolsData();
EXPECT_FALSE(placedSymbols.empty());
int placedTextInsideTile = 0;
int placedText = 0;
int placedIconInsideTile = 0;
int placedIcon = 0;
int placedTotal = 0;
std::set<std::string> symbolLayers;
auto layers = test.map.getStyle().getLayers();
for (auto l : layers) {
auto layerType = l->getTypeInfo()->type;
if (strcmp(layerType, "symbol") == 0) {
symbolLayers.insert(l->getID());
}
}
for (const auto& placedSymbol : placedSymbols) {
EXPECT_NE(0u, symbolLayers.count(placedSymbol.layer));
if (placedSymbol.textPlaced && placedSymbol.textCollisionBox) {
if (isInsideTile(*placedSymbol.textCollisionBox, placedSymbol.viewportPadding, viewportSize)) {
EXPECT_FALSE(placedSymbol.intersectsTileBorder);
++placedTextInsideTile;
}
++placedText;
}
if (placedSymbol.iconPlaced && placedSymbol.iconCollisionBox) {
if (isInsideTile(*placedSymbol.iconCollisionBox, placedSymbol.viewportPadding, viewportSize)) {
EXPECT_FALSE(placedSymbol.intersectsTileBorder);
++placedIconInsideTile;
}
++placedIcon;
}
++placedTotal;
}
EXPECT_EQ(1, placedTextInsideTile);
EXPECT_EQ(28, placedText);
EXPECT_EQ(2, placedIconInsideTile);
EXPECT_EQ(29, placedIcon);
EXPECT_EQ(50, placedTotal);
test.frontend.getRenderer()->collectPlacedSymbolData(false);
test.frontend.render(test.map);
EXPECT_TRUE(test.frontend.getRenderer()->getPlacedSymbolsData().empty());
}
TEST(Map, VolatileSource) {
MapTest<> test{1, MapMode::Continuous};
std::atomic_int requestedTiles(0);
bool isVolatile = true;
test.fileSource->tileResponse = [&](const Resource& resource) {
auto expectedPolicy = isVolatile ? Resource::StoragePolicy::Volatile : Resource::StoragePolicy::Permanent;
EXPECT_EQ(expectedPolicy, resource.storagePolicy);
++requestedTiles;
Response res;
res.noContent = true;
return res;
};
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"layers": [{
"id": "water",
"type": "fill",
"source": "vector",
"source-layer": "water"
}]
})STYLE");
auto source = std::make_unique<VectorSource>("vector", Tileset{{"a/{z}/{x}/{y}"}});
source->setVolatile(isVolatile);
test.map.getStyle().addSource(std::move(source));
test.map.jumpTo(CameraOptions().withZoom(16.0));
test.observer.didFinishLoadingMapCallback = [&] {
test.runLoop.stop();
};
test.runLoop.run();
EXPECT_EQ(8, requestedTiles);
}
TEST(Map, ObserveShaderRegistration) {
MapTest<> test;
bool observedRegistry = false;
test.observer.onRegisterShadersCallback = [&observedRegistry](gfx::ShaderRegistry&) {
observedRegistry = true;
};
test.map.jumpTo(CameraOptions().withZoom(10));
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.frontend.render(test.map);
EXPECT_EQ(observedRegistry, true);
// Should not see it again
observedRegistry = false;
test.frontend.render(test.map);
EXPECT_EQ(observedRegistry, false);
}
TEST(Map, ResourceError) {
MapTest<> test;
test.fileSource->glyphsResponse = [&](const Resource&) {
Response response;
response.error = std::make_unique<Response::Error>(Response::Error::Reason::Server, "Font file Server failed");
return response;
};
test.map.getStyle().loadJSON(
R"(
{
"version": 8,
"zoom": 0,
"center": [-14.41400, 39.09187],
"sources": {
"mapbox": {
"type": "geojson",
"data": {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {
"name": "ជនជាប់សង្ស័យ"
},
"geometry": {
"type": "LineString",
"coordinates": [
[
-14.4195556640625,
39.091699613104595
],
[
102.3046875,
39.36827914916014
]
]
}
}
]
}
}
},
"glyphs": "local://glyphs/{fontstack}/{range}.pbf",
"fonts": "local://glyphs/{fontstack}/{language}.pbf",
"layers": [
{
"id": "background",
"type": "background",
"paint": {
"background-color": "white"
}
},
{
"id": "lines-symbol",
"type": "symbol",
"source": "mapbox",
"layout": {
"text-field": "{name}",
"symbol-placement": "point",
"symbol-spacing": 150,
"text-allow-overlap": true,
"text-font": [ "abc" ],
"text-size": 24
}
}
]
})");
try {
test.frontend.render(test.map);
} catch (...) {
auto error = std::current_exception(); // captur
EXPECT_EQ(mbgl::util::toString(error), "Font file Server failed");
}
}
TEST(Map, StencilOverflow) {
MapTest<> test;
auto& style = test.map.getStyle();
style.loadJSON("{}");
// Create a tile source with small tiles that produces enough tiles to
// exceed the stencil ID limit and causes a clearing of the stencil buffer.
CustomGeometrySource::Options options;
options.tileOptions.tileSize = util::tileSize_I / 32;
options.fetchTileFunction = [&](const CanonicalTileID& tileID) {
if (auto* customSrc = static_cast<CustomGeometrySource*>(style.getSource("custom"))) {
customSrc->setTileData(tileID, {});
}
};
style.addSource(std::make_unique<CustomGeometrySource>("custom", std::move(options)));
style.addLayer(std::make_unique<style::FillLayer>("fill", "custom"));
test.map.jumpTo(CameraOptions().withZoom(5));
auto result = test.frontend.render(test.map);
// No drawables are built because no bucket/tiledata is available.
ASSERT_LE(0, result.stats.stencilUpdates);
#if !defined(NDEBUG)
Log::Info(Event::General, result.stats.toString("\n"));
#endif // !defined(NDEBUG)
// TODO: confirm that the stencil masking actually worked
}
TEST(Map, InvalidUTF8InTile) {
FixtureLog log;
MapTest<> test{1, MapMode::Continuous};
test.fileSource->tileResponse = [&](const Resource&) {
Response result;
result.data = std::make_shared<std::string>(
util::read_file("test/fixtures/map/invalid_utf8/invalidutf8feature.mvt"));
return result;
};
test.fileSource->glyphsResponse = makeResponse("glyphs.pbf", true);
test.map.jumpTo(CameraOptions().withZoom(11.0));
test.map.getStyle().loadJSON(R"STYLE({
"version": 8,
"sources": {
"invalidutf8": {
"type": "vector",
"tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"]
}
},
"layers": [{
"id": "mountain_peak",
"type": "symbol",
"source": "invalidutf8",
"source-layer": "points",
"layout": {
"text-field": "{name}"
}
}]
})STYLE");
test.observer.didFinishLoadingMapCallback = [&]() {
test.observer.didFinishRenderingFrameCallback = [&](MapObserver::RenderFrameStatus status) {
if (!status.needsRepaint) {
test.runLoop.stop();
}
};
};
test.runLoop.run();
}
TEST(Map, ObserveTileLifecycle) {
util::RunLoop runLoop;
struct TileEntry {
OverscaledTileID id;
std::string sourceID;
TileOperation op;
};
std::mutex tileMutex;
std::vector<TileEntry> tileOps;
// We expect to see a valid lifecycle for every tile in this list.
const std::vector<OverscaledTileID> expectedTiles = {
{10, 0, 10, 163, 395}, {10, 0, 10, 163, 396}, {10, 0, 10, 164, 395}, {10, 0, 10, 164, 396},
// Lower zooms can also be seen, but not always, so we
// ignore them.
};
struct ShaderEntry {
shaders::BuiltIn id;
gfx::Backend::Type type;
std::string defines;
bool isPostCompile;
};
std::vector<ShaderEntry> shaderOps;
StubMapObserver observer;
observer.onTileActionCallback = [&](TileOperation op, const OverscaledTileID& id, const std::string& sourceID) {
if (sourceID != "mapbox") return;
std::scoped_lock lock(tileMutex);
tileOps.push_back(TileEntry{.id = id, .sourceID = sourceID, .op = op});
};
observer.onPreCompileShaderCallback = [&](shaders::BuiltIn id,
gfx::Backend::Type type,
const std::string& additionalDefines) {
shaderOps.push_back(ShaderEntry{.id = id, .type = type, .defines = additionalDefines, .isPostCompile = false});
};
observer.onPostCompileShaderCallback = [&](shaders::BuiltIn id,
gfx::Backend::Type type,
const std::string& additionalDefines) {
shaderOps.push_back(ShaderEntry{.id = id, .type = type, .defines = additionalDefines, .isPostCompile = true});
};
HeadlessFrontend frontend{{512, 512}, 1};
MapAdapter map(
frontend,
observer,
std::make_shared<MainResourceLoader>(
ResourceOptions().withCachePath(":memory:").withAssetPath("test/fixtures/api/assets"), ClientOptions()),
MapOptions().withMapMode(MapMode::Static).withSize(frontend.getSize()));
map.getStyle().loadJSON(util::read_file("test/fixtures/api/water.json"));
auto layer = std::make_unique<FillLayer>("landcover", "mapbox");
layer->setSourceLayer("landcover");
layer->setFillColor(Color{0.0, 1.0, 0.0, 1.0});
map.getStyle().addLayer(std::move(layer));
map.jumpTo(CameraOptions().withCenter(LatLng{37.8, -122.5}).withZoom(10.0));
(void)frontend.render(map);
// We expect to see a valid shader lifecycle for every entry in this list.
const std::vector<std::pair<shaders::BuiltIn, size_t>> expectedShaders = {
{shaders::BuiltIn::FillShader, 16114602744458825542ULL},
{shaders::BuiltIn::FillOutlineShader, 16114602744458825542ULL},
};
for (const auto& [id, defineHash] : expectedShaders) {
bool seenPreEvent = false;
for (const auto& op : shaderOps) {
if (op.id != id || std::hash<std::string>()(op.defines) != defineHash) {
continue;
}
if (!seenPreEvent) {
EXPECT_EQ(op.isPostCompile, false);
seenPreEvent = true;
} else {
EXPECT_EQ(op.isPostCompile, true);
break;
}
}
}
for (const auto& tile : expectedTiles) {
TileOperation stage = TileOperation::NullOp;
bool parsing = false;
// Suppressing warning-as-error to use range-based for. Index is desired for debugging context.
// NOLINTNEXTLINE
for (size_t i = 0; i < tileOps.size(); i++) {
const auto& op = tileOps[i];
if (op.id != tile) continue;
switch (op.op) {
case TileOperation::RequestedFromCache: {
EXPECT_EQ(stage, TileOperation::NullOp);
stage = TileOperation::RequestedFromCache;
break;
}
case TileOperation::RequestedFromNetwork: {
// Parsing happens concurrently with the file source request and can start and stop between requests
EXPECT_THAT(stage,
testing::AnyOf(
TileOperation::StartParse, TileOperation::EndParse, TileOperation::LoadFromCache));
stage = TileOperation::RequestedFromNetwork;
break;
}
case TileOperation::LoadFromNetwork: {
// Parsing happens concurrently with the file source request and can start and stop between requests
EXPECT_THAT(
stage,
testing::AnyOf(
TileOperation::StartParse, TileOperation::EndParse, TileOperation::RequestedFromNetwork));
stage = TileOperation::LoadFromNetwork;
break;
}
case TileOperation::LoadFromCache: {
EXPECT_THAT(stage, testing::AnyOf(TileOperation::RequestedFromCache, TileOperation::StartParse));
stage = TileOperation::LoadFromCache;
break;
}
case TileOperation::StartParse: {
// Parsing is expected to be started early during the request process by a call to `setLayers`
EXPECT_THAT(stage,
testing::AnyOf(TileOperation::RequestedFromCache,
TileOperation::RequestedFromNetwork,
TileOperation::LoadFromCache,
TileOperation::LoadFromNetwork));
EXPECT_FALSE(parsing); // We must not already be parsing when seeing this marker.
stage = TileOperation::StartParse;
parsing = true;
break;
}
case TileOperation::Cancelled: {
EXPECT_THAT(stage,
testing::AnyOf(TileOperation::RequestedFromCache,
TileOperation::RequestedFromNetwork,
TileOperation::LoadFromNetwork,
TileOperation::LoadFromCache,
TileOperation::StartParse));
stage = TileOperation::Cancelled;
parsing = false;
break;
}
case TileOperation::EndParse: {
// The following are both possible:
// * RequestedFromCache -> LoadFromCache -> StartParse -> RequestedFromNetwork -> EndParse ->
// LoadFromNetwork -> StartParse -> EndParse
// The parsing stage is initiated by the cached version. The network request doesn't arrive
// until after the cached version has completed parsing. A new parsing task is spawned, resulting
// in a pair of Start and EndParse events.
//
// * RequestedFromCache -> LoadFromCache -> StartParse ->
// RequestedFromNetwork -> LoadFromNetwork -> EndParse
// The parsing stage is initiated by the cached version before being interrupted
// by data from a new version downloaded over the network. This interruption doesn't cancel the
// ongoing parsing task, so ::EndParse will end up being emitted only once by completion of the
// newer tile's data.
EXPECT_THAT(stage,
testing::AnyOf(TileOperation::StartParse,
TileOperation::LoadFromNetwork,
TileOperation::RequestedFromNetwork));
EXPECT_TRUE(parsing); // We must have been parsing to see the EndParse marker.
parsing = false;
stage = TileOperation::EndParse;
break;
}
case TileOperation::NullOp:
[[fallthrough]];
case TileOperation::Error: {
ADD_FAILURE();
break;
}
}
}
EXPECT_THAT(stage, testing::AnyOf(TileOperation::EndParse, TileOperation::Cancelled));
EXPECT_FALSE(parsing);
}
}
TEST(BackgroundLayer, StyleUpdateZoomDependency) {
using namespace mbgl::style::expression::dsl;
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/map/style_update_zoom_dependency/style.json"));
test.map.jumpTo(CameraOptions().withZoom(0.0));
// Initial render: background should be red at zoom 0
test::checkImage("test/fixtures/map/style_update_zoom_dependency/initial_red",
test.frontend.render(test.map).image,
0.0006,
0.1);
// Update background layer to use zoom-dependent color
auto layer = static_cast<style::BackgroundLayer*>(test.map.getStyle().getLayer("background"));
layer->setBackgroundColor(PropertyExpression<Color>(
interpolate(linear(), zoom(), 0.0, literal(Color::red()), 14.0, literal(Color::green()))));
test.frontend.render(test.map);
// Change zoom to 14 and re-render
test.map.jumpTo(CameraOptions().withZoom(14.0));
test::checkImage("test/fixtures/map/style_update_zoom_dependency/after_update_green",
test.frontend.render(test.map).image,
0.0006,
0.1);
}
TEST(Map, LineLayerDepthDistribution) {
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.jumpTo(CameraOptions().withZoom(0.0).withPitch(45.0));
auto backgroundLayer = std::make_unique<BackgroundLayer>("Background");
backgroundLayer->setBackgroundColor(Color(1.0f, 1.0f, 0.0f, 1.0f));
test.map.getStyle().addLayer(std::move(backgroundLayer));
constexpr uint32_t layerCount = 1 << 11;
const std::vector<Color> colors = {Color::red(), Color::green(), Color::blue()};
const auto& bounds = test.map.latLngBoundsForCamera(test.map.getCameraOptions());
const auto getSource = [&](uint32_t index) {
FeatureCollection features;
mapbox::geojson::line_string geo;
double y = (bounds.north() - bounds.south()) * 0.95 / layerCount * (index + 1) / 2.0;
double x = (bounds.east() - bounds.west()) * 0.95 / layerCount * (index + 1) / 2.0;
geo.emplace_back(-x, y);
geo.emplace_back(x, y);
geo.emplace_back(x, -y);
geo.emplace_back(-x, -y);
geo.emplace_back(-x, y);
features.emplace_back(geo);
auto source = std::make_unique<GeoJSONSource>("GeoJSONSource_" + std::to_string(index));
source->setGeoJSON(features);
return source;
};
for (uint32_t i = 0; i < layerCount; ++i) {
// add one source per layer
test.map.getStyle().addSource(getSource(i));
auto layer = std::make_unique<LineLayer>("LineLayer" + std::to_string(i), "GeoJSONSource_" + std::to_string(i));
layer->setLineColor(colors[i % colors.size()]);
test.map.getStyle().addLayer(std::move(layer));
}
test::checkImage(
"test/fixtures/map/layer_depth_distribution/line", test.frontend.render(test.map).image, 0.0006, 0.1);
}
TEST(Map, SetFrustumOffset) {
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
auto layer = std::make_unique<BackgroundLayer>("background");
layer->setBackgroundColor({{1, 0, 0, 1}});
test.map.getStyle().addLayer(std::move(layer));
test::checkImage("test/fixtures/map/setFrustumOffset/before", test.frontend.render(test.map).image, 0.0006, 0.1);
test.map.setFrustumOffset(EdgeInsets{50, 50, 50, 50});
test::checkImage("test/fixtures/map/setFrustumOffset/after", test.frontend.render(test.map).image, 0.0006, 0.1);
}
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