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| -rw-r--r-- | test/map/map.test.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/test/map/map.test.cpp b/test/map/map.test.cpp index 89be4ad73e..54dbccdafc 100644 --- a/test/map/map.test.cpp +++ b/test/map/map.test.cpp @@ -19,8 +19,10 @@ #include <mbgl/style/layers/background_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.hpp> #include <mbgl/util/async_task.hpp> #include <mbgl/util/color.hpp> @@ -1119,3 +1121,133 @@ TEST(Map, NoHangOnMissingImage) { // 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)); + + unsigned requestedTiles = 0u; + 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 = 0u; + + // 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(nullopt); + test.map.getStyle().getSource("custom")->setPrefetchZoomDelta(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"); + + unsigned requestedTiles = 0u; + + 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 = 0u; + + test.observer.didFinishRenderingFrameCallback = [&](MapObserver::RenderFrameStatus status) { + if (status.mode == MapObserver::RenderMode::Full) { + test.runLoop.stop(); + } + }; + + auto layer = test.map.getStyle().removeLayer("custom"); + std::move(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); +} |