[core] Render fill-extrusion layers (#8431)

1 files changed, 101 insertions, 0 deletions

diff --git a/test/style/conversion/light.test.cpp b/test/style/conversion/light.test.cpp
new file mode 100644
index 0000000000..da0fd3054a
--- /dev/null
+++ b/test/style/conversion/light.test.cpp
@@ -0,0 +1,101 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/style/conversion.hpp>
+#include <mbgl/style/rapidjson_conversion.hpp>
+#include <mbgl/style/conversion/constant.hpp>
+#include <mbgl/style/conversion/light.hpp>
+#include <mbgl/style/position.hpp>
+#include <mbgl/util/rapidjson.hpp>
+#include <mbgl/util/color.hpp>
+#include <mbgl/util/chrono.hpp>
+
+#include <array>
+
+using namespace mbgl;
+using namespace mbgl::style;
+using namespace mbgl::style::conversion;
+
+TEST(StyleConversion, Light) {
+    Error error;
+
+    auto parseLight = [&](const std::string& src) {
+        JSDocument doc;
+        doc.Parse<0>(src);
+        return convert<Light>(doc, error);
+    };
+
+    {
+        auto light = parseLight("{}");
+        ASSERT_TRUE((bool) light);
+    }
+
+    {
+        auto light = parseLight("{\"color\":{\"stops\":[[14,\"blue\"],[16,\"red\"]]},\"intensity\":0.3,\"position\":[3,90,90]}");
+        ASSERT_TRUE((bool) light);
+
+        ASSERT_TRUE(light->get<LightAnchor>().value.isUndefined());
+        ASSERT_FALSE(light->get<LightAnchor>().value.isConstant());
+        ASSERT_FALSE(light->get<LightAnchor>().value.isCameraFunction());
+
+        ASSERT_FALSE(light->get<LightIntensity>().value.isUndefined());
+        ASSERT_TRUE(light->get<LightIntensity>().value.isConstant());
+        ASSERT_EQ(light->get<LightIntensity>().value.asConstant(), 0.3f);
+        ASSERT_FALSE(light->get<LightAnchor>().value.isCameraFunction());
+
+        ASSERT_FALSE(light->get<LightColor>().value.isUndefined());
+        ASSERT_FALSE(light->get<LightColor>().value.isConstant());
+        ASSERT_TRUE(light->get<LightColor>().value.isCameraFunction());
+
+        ASSERT_FALSE(light->get<LightPosition>().value.isUndefined());
+        ASSERT_TRUE(light->get<LightPosition>().value.isConstant());
+        std::array<float, 3> expected{{ 3, 90, 90 }};
+        ASSERT_EQ(light->get<LightPosition>().value.asConstant(), mbgl::style::Position({ expected }));
+        ASSERT_FALSE(light->get<LightPosition>().value.isCameraFunction());
+    }
+
+    {
+        auto light = parseLight("{\"color\":\"blue\",\"intensity\":0.3,\"color-transition\":{\"duration\":1000}}");
+        ASSERT_TRUE((bool) light);
+
+        ASSERT_FALSE(light->get<LightColor>().value.isUndefined());
+        ASSERT_TRUE(light->get<LightColor>().value.isConstant());
+        ASSERT_FALSE(light->get<LightColor>().value.isCameraFunction());
+        ASSERT_EQ(light->get<LightColor>().transition.duration, mbgl::Duration(mbgl::Milliseconds(1000)));
+        ASSERT_FALSE((bool) light->get<LightColor>().transition.delay);
+    }
+
+    {
+        auto light = parseLight("{\"intensity\":false}");
+
+        ASSERT_FALSE((bool) light);
+        ASSERT_EQ("value must be a number", error.message);
+    }
+
+    {
+        auto light = parseLight("{\"intensity\":{\"stops\":[[15,\"red\"],[17,\"blue\"]]}}");
+
+        ASSERT_FALSE((bool) light);
+        ASSERT_EQ("value must be a number", error.message);
+    }
+
+    {
+        auto light = parseLight("{\"color\":5}");
+
+        ASSERT_FALSE((bool) light);
+        ASSERT_EQ("value must be a string", error.message);
+    }
+
+    {
+        auto light = parseLight("{\"position\":[0,5]}");
+
+        ASSERT_FALSE((bool) light);
+        ASSERT_EQ("value must be an array of 3 numbers", error.message);
+    }
+
+    {
+        auto light = parseLight("{\"anchor\":\"something\"}");
+
+        ASSERT_FALSE((bool) light);
+        ASSERT_EQ("value must be a valid enumeration value", error.message);
+    }
+}