删除realtime 的一个组件

2026-08-14 12:27:12 +08:00
parent 38231dbc1c
commit dfb2de6bf7
24 changed files with 3972 additions and 421 deletions
@@ -6,11 +6,53 @@
 #include <mutex>
 #include <thread>
 #include <vector>
+#include "renderive/real_time_data/Double_Buffer_Strategy.hpp"
 #include "renderive/real_time_data/Real_Time_Data.hpp"
 #include "renderive/renderable/Renderable.hpp"
 #include "renderive/renderable/Renderable_Test_Harness.hpp"
 #include "renderive/scene/Scene.hpp"
 #include "renderive/scene/Scene_Test_Helpers.hpp"
+#include "renderive/state/base/State_Strategy_Base.hpp"
+
+namespace {
+struct Double_Buffer_Test_Base {};
+struct Double_Buffer_Test_Tag {};
+using Double_Buffer_Test_Layout =
+    Double_Buffer_Layout<Buffered_Data<Double_Buffer_Test_Tag,
+                                       std::vector<int>>>;
+class Double_Buffer_Test_Strategy final
+    : public Multi_Double_Buffer_Strategy<Double_Buffer_Test_Base,
+                                          Double_Buffer_Test_Layout,
+                                          std::mutex> {
+    using Base = Multi_Double_Buffer_Strategy<Double_Buffer_Test_Base,
+                                              Double_Buffer_Test_Layout,
+                                              std::mutex>;
+public:
+    using Base::buffer_revision;
+    using Base::publish;
+    using Base::revision;
+    using Base::write;
+    [[nodiscard]] const std::vector<int>& published() const noexcept {
+        return Base::render_buffer_value<Double_Buffer_Test_Tag>();
+    }
+};
+static_assert(!std::derived_from<Double_Buffer_Test_Strategy,
+                                 State_Strategy_Base>);
+}
+
+TEST(double_buffer_strategy_test,
+     single_entry_layout_publishes_with_external_side_effect) {
+    Double_Buffer_Test_Strategy strategy;
+    int side_effect_count{};
+    strategy.write<Double_Buffer_Test_Tag>({1, 2, 3});
+    EXPECT_TRUE(strategy.publish([&] { ++side_effect_count; }));
+    EXPECT_EQ(strategy.published(), (std::vector<int>{1, 2, 3}));
+    EXPECT_EQ(strategy.revision(), 1U);
+    EXPECT_EQ(strategy.buffer_revision<Double_Buffer_Test_Tag>(), 1U);
+    EXPECT_EQ(side_effect_count, 1);
+    EXPECT_FALSE(strategy.publish([&] { ++side_effect_count; }));
+    EXPECT_EQ(side_effect_count, 1);
+}
 struct Real_Time_Data_Test_Time_Source {
    std::shared_ptr<std::atomic<std::uint64_t>> time_ns{std::make_shared<std::atomic<std::uint64_t>>()};
    std::uint64_t now_ns() const noexcept {