[core] Static default property values API for sources

Introduce
`Value SourceManager::getPropertyDefaultValue(const std::string& type, const std::string& property)`

27 files changed, 97 insertions, 76 deletions

diff --git a/include/mbgl/sourcemanager/annotation_source_factory.hpp b/include/mbgl/sourcemanager/annotation_source_factory.hpp
index 0ea98bab99..4237d0c9d4 100644
--- a/include/mbgl/sourcemanager/annotation_source_factory.hpp
+++ b/include/mbgl/sourcemanager/annotation_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/custom_geometry_source_factory.hpp b/include/mbgl/sourcemanager/custom_geometry_source_factory.hpp
index 12d8234182..9f1e1809be 100644
--- a/include/mbgl/sourcemanager/custom_geometry_source_factory.hpp
+++ b/include/mbgl/sourcemanager/custom_geometry_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/geojson_source_factory.hpp b/include/mbgl/sourcemanager/geojson_source_factory.hpp
index be6e64a6bc..9d325136fe 100644
--- a/include/mbgl/sourcemanager/geojson_source_factory.hpp
+++ b/include/mbgl/sourcemanager/geojson_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/image_source_factory.hpp b/include/mbgl/sourcemanager/image_source_factory.hpp
index c560cb112d..c484126525 100644
--- a/include/mbgl/sourcemanager/image_source_factory.hpp
+++ b/include/mbgl/sourcemanager/image_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/raster_dem_source_factory.hpp b/include/mbgl/sourcemanager/raster_dem_source_factory.hpp
index a01b26eb0d..eb7c9630e9 100644
--- a/include/mbgl/sourcemanager/raster_dem_source_factory.hpp
+++ b/include/mbgl/sourcemanager/raster_dem_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/raster_source_factory.hpp b/include/mbgl/sourcemanager/raster_source_factory.hpp
index d5f88e65d9..fb7fa1e09b 100644
--- a/include/mbgl/sourcemanager/raster_source_factory.hpp
+++ b/include/mbgl/sourcemanager/raster_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/source_factory.hpp b/include/mbgl/sourcemanager/source_factory.hpp
index 31d392163b..202768b946 100644
--- a/include/mbgl/sourcemanager/source_factory.hpp
+++ b/include/mbgl/sourcemanager/source_factory.hpp
@@ -32,6 +32,9 @@ public:
 
     /// Returns a new RenderSource instance.
     virtual std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept = 0;
+
+    /// Returns the default value for the given source property
+    virtual Value getPropertyDefaultValue(const std::string& property) noexcept = 0;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/sourcemanager/source_manager.hpp b/include/mbgl/sourcemanager/source_manager.hpp
index 4e4dea06ff..afeadc1355 100644
--- a/include/mbgl/sourcemanager/source_manager.hpp
+++ b/include/mbgl/sourcemanager/source_manager.hpp
@@ -40,6 +40,9 @@ public:
     /// Returns a new RenderSource instance on success call; returns `nullptr` otherwise.
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept;
 
+    /// Returns the default value for the given source type and property name.
+    Value getPropertyDefaultValue(const std::string& type, const std::string& property);
+
 protected:
     virtual ~SourceManager() = default;
     virtual SourceFactory* getFactory(const std::string& type) noexcept = 0;
diff --git a/include/mbgl/sourcemanager/vector_source_factory.hpp b/include/mbgl/sourcemanager/vector_source_factory.hpp
index 05cae49af9..ec7f743bc8 100644
--- a/include/mbgl/sourcemanager/vector_source_factory.hpp
+++ b/include/mbgl/sourcemanager/vector_source_factory.hpp
@@ -11,6 +11,7 @@ protected:
                                                 const style::conversion::Convertible& value,
                                                 style::conversion::Error&) noexcept final;
     std::unique_ptr<RenderSource> createRenderSource(Immutable<style::Source::Impl>) noexcept final;
+    Value getPropertyDefaultValue(const std::string& property) noexcept final;
 };
 
 } // namespace mbgl
diff --git a/include/mbgl/style/source.hpp b/include/mbgl/style/source.hpp
index 409384d5df..060bc0878c 100644
--- a/include/mbgl/style/source.hpp
+++ b/include/mbgl/style/source.hpp
@@ -166,7 +166,7 @@ public:
 
     optional<conversion::Error> setProperty(const std::string& name, const conversion::Convertible& value);
     Value getProperty(const std::string&) const;
-    Value getPropertyDefaultValue(const std::string&) const;
+    static Value getPropertyDefaultValue(const std::string&);
 
     virtual mapbox::base::WeakPtr<Source> makeWeakPtr() = 0;
     const SourceTypeInfo* getTypeInfo() const noexcept;
@@ -180,7 +180,6 @@ protected:
     virtual optional<conversion::Error> setPropertyInternal(const std::string& name,
                                                             const conversion::Convertible& value);
     virtual Value getPropertyInternal(const std::string&) const;
-    virtual Value getPropertyDefaultValueInternal(const std::string&) const;
 };
 
 } // namespace style
diff --git a/include/mbgl/style/sources/geojson_source.hpp b/include/mbgl/style/sources/geojson_source.hpp
index 4366dcf858..5679007543 100644
--- a/include/mbgl/style/sources/geojson_source.hpp
+++ b/include/mbgl/style/sources/geojson_source.hpp
@@ -81,11 +81,12 @@ public:
 
     Value serialize() const override;
 
+    static Value getPropertyDefaultValue(const std::string&);
+
 protected:
     optional<conversion::Error> setPropertyInternal(const std::string& name,
                                                     const conversion::Convertible& value) override;
     Value getPropertyInternal(const std::string&) const override;
-    Value getPropertyDefaultValueInternal(const std::string&) const override;
     Mutable<Source::Impl> createMutable() const noexcept final;
 
 private:
diff --git a/include/mbgl/style/sources/raster_dem_source.hpp b/include/mbgl/style/sources/raster_dem_source.hpp
index dc068886e5..5870368b73 100644
--- a/include/mbgl/style/sources/raster_dem_source.hpp
+++ b/include/mbgl/style/sources/raster_dem_source.hpp
@@ -20,9 +20,10 @@ public:
 
     Value serialize() const override;
 
+    static Value getPropertyDefaultValue(const std::string&);
+
 protected:
     Value getPropertyInternal(const std::string&) const override;
-    Value getPropertyDefaultValueInternal(const std::string&) const override;
     Mutable<Source::Impl> createMutable() const noexcept final;
     Mutable<Source::Impl> createMutable(Tileset tileset) const noexcept final;
 };
diff --git a/include/mbgl/style/sources/tileset_source.hpp b/include/mbgl/style/sources/tileset_source.hpp
index 46b255808c..3fd3ab797a 100644
--- a/include/mbgl/style/sources/tileset_source.hpp
+++ b/include/mbgl/style/sources/tileset_source.hpp
@@ -17,11 +17,11 @@ public:
     optional<std::string> getURL() const;
 
     Value serialize() const override;
+    static Value getPropertyDefaultValue(const std::string&);
 
 protected:
     TilesetSource(Immutable<Impl>, variant<std::string, Tileset> urlOrTileset);
     Value getPropertyInternal(const std::string&) const override;
-    Value getPropertyDefaultValueInternal(const std::string&) const override;
     const variant<std::string, Tileset> urlOrTileset;
 };
 
diff --git a/src/mbgl/sourcemanager/annotation_source_factory.cpp b/src/mbgl/sourcemanager/annotation_source_factory.cpp
index a5d1986efd..b55655e1f8 100644
--- a/src/mbgl/sourcemanager/annotation_source_factory.cpp
+++ b/src/mbgl/sourcemanager/annotation_source_factory.cpp
@@ -20,4 +20,8 @@ std::unique_ptr<RenderSource> AnnotationSourceFactory::createRenderSource(
     return std::make_unique<RenderAnnotationSource>(staticImmutableCast<AnnotationSource::Impl>(impl));
 }
 
+Value AnnotationSourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return AnnotationSource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/custom_geometry_source_factory.cpp b/src/mbgl/sourcemanager/custom_geometry_source_factory.cpp
index 054aa15bd5..51a738b3ca 100644
--- a/src/mbgl/sourcemanager/custom_geometry_source_factory.cpp
+++ b/src/mbgl/sourcemanager/custom_geometry_source_factory.cpp
@@ -21,4 +21,8 @@ std::unique_ptr<RenderSource> CustomGeometrySourceFactory::createRenderSource(
     return std::make_unique<RenderCustomGeometrySource>(staticImmutableCast<style::CustomGeometrySource::Impl>(impl));
 }
 
+Value CustomGeometrySourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return style::CustomGeometrySource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/geojson_source_factory.cpp b/src/mbgl/sourcemanager/geojson_source_factory.cpp
index 0a1ae75351..0edfaa8f2e 100644
--- a/src/mbgl/sourcemanager/geojson_source_factory.cpp
+++ b/src/mbgl/sourcemanager/geojson_source_factory.cpp
@@ -40,4 +40,8 @@ std::unique_ptr<RenderSource> GeoJSONSourceFactory::createRenderSource(Immutable
     return std::make_unique<RenderGeoJSONSource>(staticImmutableCast<style::GeoJSONSource::Impl>(impl));
 }
 
+Value GeoJSONSourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return style::GeoJSONSource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/image_source_factory.cpp b/src/mbgl/sourcemanager/image_source_factory.cpp
index f3de36bcf9..8ccd32695c 100644
--- a/src/mbgl/sourcemanager/image_source_factory.cpp
+++ b/src/mbgl/sourcemanager/image_source_factory.cpp
@@ -46,4 +46,8 @@ std::unique_ptr<RenderSource> ImageSourceFactory::createRenderSource(Immutable<s
     return std::make_unique<RenderImageSource>(staticImmutableCast<style::ImageSource::Impl>(impl));
 }
 
+Value ImageSourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return style::ImageSource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/raster_dem_source_factory.cpp b/src/mbgl/sourcemanager/raster_dem_source_factory.cpp
index 119a7eae27..fdc9163385 100644
--- a/src/mbgl/sourcemanager/raster_dem_source_factory.cpp
+++ b/src/mbgl/sourcemanager/raster_dem_source_factory.cpp
@@ -39,4 +39,8 @@ std::unique_ptr<RenderSource> RasterDEMSourceFactory::createRenderSource(Immutab
     return std::make_unique<RenderRasterDEMSource>(staticImmutableCast<style::RasterDEMSource::Impl>(impl));
 }
 
+Value RasterDEMSourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return style::RasterDEMSource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/raster_source_factory.cpp b/src/mbgl/sourcemanager/raster_source_factory.cpp
index a06595059d..a1015f4bd8 100644
--- a/src/mbgl/sourcemanager/raster_source_factory.cpp
+++ b/src/mbgl/sourcemanager/raster_source_factory.cpp
@@ -40,4 +40,8 @@ std::unique_ptr<RenderSource> RasterSourceFactory::createRenderSource(Immutable<
     return std::make_unique<RenderRasterSource>(staticImmutableCast<style::RasterSource::Impl>(impl));
 }
 
+Value RasterSourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return style::RasterSource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/source_manager.cpp b/src/mbgl/sourcemanager/source_manager.cpp
index 16241b41bc..0c69c2bb12 100644
--- a/src/mbgl/sourcemanager/source_manager.cpp
+++ b/src/mbgl/sourcemanager/source_manager.cpp
@@ -24,4 +24,11 @@ std::unique_ptr<RenderSource> SourceManager::createRenderSource(Immutable<style:
     return factory->createRenderSource(std::move(impl));
 }
 
+Value SourceManager::getPropertyDefaultValue(const std::string& type, const std::string& property) {
+    if (SourceFactory* factory = getFactory(type)) {
+        return factory->getPropertyDefaultValue(property);
+    }
+    return NullValue();
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/sourcemanager/vector_source_factory.cpp b/src/mbgl/sourcemanager/vector_source_factory.cpp
index efc6f3144f..30c19bfcff 100644
--- a/src/mbgl/sourcemanager/vector_source_factory.cpp
+++ b/src/mbgl/sourcemanager/vector_source_factory.cpp
@@ -46,4 +46,8 @@ std::unique_ptr<RenderSource> VectorSourceFactory::createRenderSource(Immutable<
     return std::make_unique<RenderVectorSource>(staticImmutableCast<style::VectorSource::Impl>(impl));
 }
 
+Value VectorSourceFactory::getPropertyDefaultValue(const std::string& property) noexcept {
+    return style::VectorSource::getPropertyDefaultValue(property);
+}
+
 } // namespace mbgl
diff --git a/src/mbgl/style/source.cpp b/src/mbgl/style/source.cpp
index dd3ec4caa6..217b4d00e6 100644
--- a/src/mbgl/style/source.cpp
+++ b/src/mbgl/style/source.cpp
@@ -188,13 +188,13 @@ Value Source::getProperty(const std::string& name) const {
     }
     return getPropertyInternal(name);
 }
-
-Value Source::getPropertyDefaultValue(const std::string& name) const {
+// static
+Value Source::getPropertyDefaultValue(const std::string& name) {
     const auto it = sourceProperties.find(name.c_str());
     if (it != sourceProperties.end()) {
         return getSourcePropertyDefaultValue(static_cast<Property>(it->second));
     }
-    return getPropertyDefaultValueInternal(name);
+    return Value();
 }
 
 const SourceTypeInfo* Source::getTypeInfo() const noexcept {
@@ -220,9 +220,5 @@ Value Source::getPropertyInternal(const std::string&) const {
     return NullValue();
 }
 
-Value Source::getPropertyDefaultValueInternal(const std::string&) const {
-    return NullValue();
-}
-
 } // namespace style
 } // namespace mbgl
diff --git a/src/mbgl/style/sources/geojson_source.cpp b/src/mbgl/style/sources/geojson_source.cpp
index 2ac80517af..f6dfc21e72 100644
--- a/src/mbgl/style/sources/geojson_source.cpp
+++ b/src/mbgl/style/sources/geojson_source.cpp
@@ -162,10 +162,11 @@ Value GeoJSONSource::getPropertyInternal(const std::string& name) const {
     return Value();
 }
 
-Value GeoJSONSource::getPropertyDefaultValueInternal(const std::string& name) const {
+// static
+Value GeoJSONSource::getPropertyDefaultValue(const std::string& name) {
     using namespace conversion;
     if (name == "options") return makeValue(*GeoJSONOptions::defaultOptions());
-    return Value();
+    return Source::getPropertyDefaultValue(name);
 }
 
 Value GeoJSONSource::serialize() const {
diff --git a/src/mbgl/style/sources/raster_dem_source.cpp b/src/mbgl/style/sources/raster_dem_source.cpp
index 95dc7d1edd..149413a13a 100644
--- a/src/mbgl/style/sources/raster_dem_source.cpp
+++ b/src/mbgl/style/sources/raster_dem_source.cpp
@@ -44,11 +44,12 @@ Value RasterDEMSource::getPropertyInternal(const std::string& name) const {
     return NullValue();
 }
 
-Value RasterDEMSource::getPropertyDefaultValueInternal(const std::string& name) const {
+// static
+Value RasterDEMSource::getPropertyDefaultValue(const std::string& name) {
     if (name == "encoding") {
         return conversion::makeValue(TilesetDEMEncoding::Mapbox);
     }
-    return NullValue();
+    return RasterSource::getPropertyDefaultValue(name);
 }
 
 Mutable<Source::Impl> RasterDEMSource::createMutable() const noexcept {
diff --git a/src/mbgl/style/sources/tileset_source.cpp b/src/mbgl/style/sources/tileset_source.cpp
index 45bad4e010..fa9e9166bb 100644
--- a/src/mbgl/style/sources/tileset_source.cpp
+++ b/src/mbgl/style/sources/tileset_source.cpp
@@ -76,12 +76,13 @@ Value TilesetSource::getPropertyInternal(const std::string& name) const {
     return Value();
 }
 
-Value TilesetSource::getPropertyDefaultValueInternal(const std::string& name) const {
+// static
+Value TilesetSource::getPropertyDefaultValue(const std::string& name) {
     using namespace conversion;
     if (name == "scheme") return makeValue(TilesetScheme::XYZ);
     if (name == "minzoom") return 0u;
     if (name == "maxzoom") return util::DEFAULT_MAX_ZOOM;
-    return Value();
+    return Source::getPropertyDefaultValue(name);
 }
 
 } // namespace style
diff --git a/test/style/conversion/source.test.cpp b/test/style/conversion/source.test.cpp
index 88b8aa0b12..a8716a4c20 100644
--- a/test/style/conversion/source.test.cpp
+++ b/test/style/conversion/source.test.cpp
@@ -22,13 +22,6 @@ void checkGetProperty(std::unique_ptr<Source>& source, const std::string& proper
     EXPECT_EQ(expected, value) << "get property: " << propertyName;
 }
 
-void checkGetPropertyDefaultValue(std::unique_ptr<Source>& source,
-                                  const std::string& propertyName,
-                                  const mbgl::Value& expected) {
-    Value value = source->getPropertyDefaultValue(propertyName);
-    EXPECT_EQ(expected, value) << "get property: " << propertyName;
-}
-
 void checkSetProperty(std::unique_ptr<Source>& source, const std::string& propertyName, const JSValue& value) {
     auto error = source->setProperty(propertyName, Convertible(&value));
     EXPECT_EQ(nullopt, error) << "set property: " << propertyName << ", error: " << error->message;
@@ -91,54 +84,3 @@ TEST(StyleConversion, SetSourceGenericProperties) {
     checkSetProperty(source, "data", *geometry);
     EXPECT_TRUE(geojsonSource->getGeoJSONData());
 }
-
-TEST(StyleConversion, GetSourceGenericPropertyDefaultValues) {
-    auto source = parseSource(R"JSON({
-        "type": "vector",
-        "tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"],
-        "scheme": "tms",
-        "minzoom": 11,
-        "maxzoom": 16,
-        "attribution": "mapbox",
-        "bounds": [-180, -73, -120, 73]
-    })JSON",
-                              "vector_source");
-
-    ASSERT_NE(nullptr, source);
-    checkGetPropertyDefaultValue(source, "volatile", false);
-    checkGetPropertyDefaultValue(source, "minimum-tile-update-interval", 0.0);
-    checkGetPropertyDefaultValue(source, "prefetch-zoom-delta", 4u);
-    checkGetPropertyDefaultValue(source, "minzoom", 0u);
-    checkGetPropertyDefaultValue(source, "maxzoom", 22u);
-    checkGetPropertyDefaultValue(source, "scheme", "xyz");
-
-    source = parseSource(R"JSON({
-        "type": "geojson",
-        "data": "http://127.0.0.1:3000/geojson.json"
-    })JSON",
-                         "geojson_source");
-
-    ASSERT_NE(nullptr, source);
-    mapbox::base::ValueObject expected;
-    expected["minzoom"] = 0u;
-    expected["maxzoom"] = 18u;
-    expected["tileSize"] = 512u;
-    expected["buffer"] = 128u;
-    expected["tolerance"] = 0.375;
-    expected["lineMetrics"] = false;
-    expected["cluster"] = false;
-    expected["clusterRadius"] = 50u;
-    expected["clusterMaxZoom"] = 17u;
-    checkGetPropertyDefaultValue(source, "options", expected);
-
-    source = parseSource(R"JSON({
-        "type": "raster-dem",
-        "encoding": "terrarium",
-        "tiles": [
-            "local://tiles/{z}-{x}-{y}.terrain.png"
-        ]
-    })JSON",
-                         "rasterdem_source");
-    ASSERT_NE(nullptr, source);
-    checkGetPropertyDefaultValue(source, "encoding", "mapbox");
-}
diff --git a/test/style/source.test.cpp b/test/style/source.test.cpp
index bc19b9e9d1..f3a9f737d8 100644
--- a/test/style/source.test.cpp
+++ b/test/style/source.test.cpp
@@ -985,3 +985,34 @@ TEST(Source, SetMaxParentOverscaleFactor) {
             {EventSeverity::Warning, Event::Style, -1, "Parent tile overscale factor will cap prefetch delta to 3"}));
     EXPECT_EQ(0u, log.uncheckedCount());
 }
+
+namespace {
+
+void checkGetPropertyDefaultValue(const std::string& sourceType, const std::string& property, const Value& expected) {
+    auto value = SourceManager::get()->getPropertyDefaultValue(sourceType, property);
+    EXPECT_EQ(expected, value);
+}
+
+} // namespace
+
+TEST(Source, GetSourceGenericPropertyDefaultValues) {
+    checkGetPropertyDefaultValue("vector", "volatile", false);
+    checkGetPropertyDefaultValue("vector", "minimum-tile-update-interval", 0.0);
+    checkGetPropertyDefaultValue("vector", "prefetch-zoom-delta", 4u);
+    checkGetPropertyDefaultValue("vector", "minzoom", 0u);
+    checkGetPropertyDefaultValue("vector", "maxzoom", 22u);
+    checkGetPropertyDefaultValue("vector", "scheme", "xyz");
+
+    mapbox::base::ValueObject expected;
+    expected["minzoom"] = 0u;
+    expected["maxzoom"] = 18u;
+    expected["tileSize"] = 512u;
+    expected["buffer"] = 128u;
+    expected["tolerance"] = 0.375;
+    expected["lineMetrics"] = false;
+    expected["cluster"] = false;
+    expected["clusterRadius"] = 50u;
+    expected["clusterMaxZoom"] = 17u;
+    checkGetPropertyDefaultValue("geojson", "options", expected);
+    checkGetPropertyDefaultValue("raster-dem", "encoding", "mapbox");
+}
\ No newline at end of file