改造一些

2026-08-11 23:17:03 +08:00
parent c89a678245
commit aca480d988
29 changed files with 1348 additions and 771 deletions
@@ -164,6 +164,18 @@ TEST(scene_base_test, setting_same_topology_parent_is_a_noop) {
    }
    EXPECT_TRUE(found);
 }
+TEST(scene_base_test, display_graph_rejects_cycles) {
+    Scene2D_Context<> scene;
+    auto first = std::make_shared<Scene_Base_Test_Renderable>(scene);
+    auto second = std::make_shared<Scene_Base_Test_Renderable>(scene);
+    auto third = std::make_shared<Scene_Base_Test_Renderable>(scene);
+    scene.attach_renderable(first);
+    scene.attach_renderable(second);
+    scene.attach_renderable(third);
+    scene.set_display_parent(*second, first.get());
+    scene.add_display_parent(*third, *second);
+    EXPECT_THROW(scene.add_display_parent(*first, *third), std::invalid_argument);
+}
 TEST(scene_base_test, topology_snapshot_retains_renderable_lifetime) {
    Scene2D_Context<> scene;
    auto renderable = std::make_shared<Scene_Base_Test_Renderable>(scene);