[test] don't use reference for asynchronous API

2 files changed, 66 insertions, 1 deletions

diff --git a/platform/default/default_file_source.cpp b/platform/default/default_file_source.cpp
index 3ba89ca93..d309c55ec 100644
--- a/platform/default/default_file_source.cpp
+++ b/platform/default/default_file_source.cpp
@@ -166,7 +166,7 @@ public:
         onlineFileSource.setOnlineStatus(status);
     }
 
-    void put(const Resource& resource, const Response& response) {
+    void put(Resource resource, Response response) {
         offlineDatabase.put(resource, response);
     }
 
diff --git a/test/api/render_caching.cpp b/test/api/render_caching.cpp
new file mode 100644
index 000000000..4533ca2aa
--- /dev/null
+++ b/test/api/render_caching.cpp
@@ -0,0 +1,65 @@
+#include <mbgl/test/util.hpp>
+#include <mbgl/test/fixture_log_observer.hpp>
+
+#include <mbgl/map/map.hpp>
+#include <mbgl/renderer/backend_scope.hpp>
+#include <mbgl/gl/headless_backend.hpp>
+#include <mbgl/gl/offscreen_view.hpp>
+#include <mbgl/util/default_thread_pool.hpp>
+#include <mbgl/storage/default_file_source.hpp>
+#include <mbgl/renderer/renderer.hpp>
+// #include <mbgl/util/image.hpp>
+#include <mbgl/util/io.hpp>
+#include <mbgl/util/run_loop.hpp>
+#include <mbgl/style/style.hpp>
+#include <mbgl/test/stub_renderer_frontend.hpp>
+
+#include <future>
+#include <memory>
+
+
+TEST(API, RenderExpiredRasterTile) {
+    using namespace mbgl;
+
+    util::RunLoop loop;
+
+    HeadlessBackend backend;
+    BackendScope scope { backend };
+    OffscreenView view { backend.getContext(), { 256, 512 } };
+    float pixelRatio { 1 };
+    DefaultFileSource db(":memory:");
+    ThreadPool threadPool(4);
+    StubRendererFrontend rendererFrontend { std::make_unique<Renderer>(backend, pixelRatio, fileSource, threadPool), view };
+
+    // Log::setObserver(std::make_unique<FixtureLogObserver>());
+
+    Map map { rendererFrontend, MapObserver::nullObserver(), view.getSize(), pixelRatio, fileSource,
+        threadPool, MapMode::Still };
+
+    map.getStyle().loadJSON(R"STYLE({
+      "version": 8,
+      "sources": {
+        "raster": {
+          "type": "raster",
+          "tiles": ["https://tiles/{z}-{x}-{y}.png"]
+        }
+      },
+      "layers": [{
+        "id": "raster",
+        "type": "raster",
+        "source": "raster"
+      }]
+    })STYLE");
+    }
+    map.setLatLngZoom({ 37.8, -122.5 }, 10);
+
+    test::checkImage("test/fixtures/api/cached_raster", test::render(map, view), 0.0006, 0.1);
+
+    // auto observer = Log::removeObserver();
+    // auto flo = dynamic_cast<FixtureLogObserver*>(observer.get());
+    // EXPECT_EQ(1u, flo->count(FixtureLog::Message(
+    //                  EventSeverity::Error, Event::Style, -1,
+    //                  std::string("Failed to load tile 0/0/0=>0 for source mapbox: " + message))));
+    // auto unchecked = flo->unchecked();
+    // EXPECT_TRUE(unchecked.empty()) << unchecked;
+}