secene 接入多继承链

2026-08-15 00:23:52 +08:00
parent 12e46b4c21
commit 2c7c8abd4f
15 changed files with 1011 additions and 355 deletions
@@ -0,0 +1,62 @@
+#include <gtest/gtest.h>
+
+#include <memory_resource>
+#include <stdexcept>
+
+#include "renderive/scene/dependency/Dependency_Resolver.hpp"
+
+namespace {
+
+enum class Preparation {
+    acquire_source,
+    transform_vertices,
+    upload_visual
+};
+
+using Resolver =
+    renderive::scene::dependency::Dependency_Resolver<Preparation>;
+
+TEST(dependency_resolver_test,
+     resolves_declared_dependencies_in_deterministic_order) {
+    std::pmr::unsynchronized_pool_resource memory;
+    Resolver resolver(memory);
+    resolver.attach(Preparation::upload_visual);
+    resolver.attach(Preparation::acquire_source);
+    resolver.attach(Preparation::transform_vertices);
+    resolver.add_parent(Preparation::transform_vertices,
+                        Preparation::acquire_source);
+    resolver.add_parent(Preparation::upload_visual,
+                        Preparation::transform_vertices);
+
+    const auto resolution = resolver.resolve();
+    EXPECT_EQ(resolution.order,
+              (std::vector{Preparation::acquire_source,
+                           Preparation::transform_vertices,
+                           Preparation::upload_visual}));
+}
+
+TEST(dependency_resolver_test,
+     rejected_cycle_preserves_the_previous_authoritative_relationships) {
+    std::pmr::unsynchronized_pool_resource memory;
+    Resolver resolver(memory);
+    resolver.attach(Preparation::acquire_source);
+    resolver.attach(Preparation::transform_vertices);
+    resolver.attach(Preparation::upload_visual);
+    resolver.add_parent(Preparation::transform_vertices,
+                        Preparation::acquire_source);
+    resolver.add_parent(Preparation::upload_visual,
+                        Preparation::transform_vertices);
+
+    EXPECT_THROW(
+        resolver.add_parent(Preparation::acquire_source,
+                            Preparation::upload_visual),
+        std::logic_error);
+
+    EXPECT_TRUE(resolver.parents(Preparation::acquire_source).empty());
+    EXPECT_EQ(resolver.resolve().order,
+              (std::vector{Preparation::acquire_source,
+                           Preparation::transform_vertices,
+                           Preparation::upload_visual}));
+}
+
+} // namespace