Handle URLs too

Author: j9liu

Cesium3DTilesSelection/src/TilesetContentManager.cpp

@@ -859,6 +859,8 @@ TilesetContentManager::createFromUrl(
           pManager->_rootTileAvailablePromise.reject(
               std::runtime_error("Root tile failed to load."));
         });
+  } else {
+    pManager->_rootTileAvailablePromise.resolve();
   }
 
   return pManager;

Cesium3DTilesSelection/test/TestTilesetContentManager.cpp

@@ -878,6 +878,25 @@ TEST_CASE("Test tile state machine") {
     CHECK(!upsampledTile.getContent().getRenderContent());
   }
 
+  SUBCASE("Resolves root tile promise for invalid URL") {
+    // create manager
+    TilesetOptions options{};
+    options.contentOptions.generateMissingNormalsSmooth = true;
+
+    // Create an invalid Cesium ion loader that will never attempt to make a
+    // request.
+    IntrusivePointer<TilesetContentManager> pManager =
+        TilesetContentManager::createFromUrl(externals, options, std::string());
+
+    bool eventResolved = false;
+    pManager->getRootTileAvailableEvent().thenInMainThread(
+        [&eventResolved]() { eventResolved = true; });
+
+    pManager->waitUntilIdle(5000.0);
+    CHECK(eventResolved);
+    CHECK(!pManager->getRootTile());
+  }
+
   SUBCASE("Resolves root tile promise for invalid loader") {
     // create manager
     TilesetOptions options{};