核心模板架构

Kernel/tests/renderive/state/Triple_State_Strategy_Test.cpp

@@ -0,0 +1,36 @@
+#include <gtest/gtest.h>
+#include <cstdint>
+#include <memory>
+#include "renderive/state/State_Strategy.hpp"
+struct Triple_State_Test_Base {};
+struct Triple_State_Test_State {
+    int value{};
+};
+TEST(triple_state_strategy_test, publishes_then_acquires_render_state) {
+    Triple_State_Strategy<Triple_State_Test_Base, Triple_State_Test_State> strategy;
+    strategy.set<&Triple_State_Test_State::value>(7);
+    strategy.publish();
+    EXPECT_EQ(strategy.render_use_state().value, 0);
+    EXPECT_EQ(strategy.acquire_render_state(), 1);
+    EXPECT_EQ(strategy.render_use_state().value, 7);
+}
+struct Multi_State_A_Base {};
+struct Multi_State_B_Base {};
+struct Multi_State_A {
+    int value{};
+};
+struct Multi_State_B {
+    int value{};
+};
+struct Multi_State_A_Strategy : Double_State_Strategy<Multi_State_A_Base, Multi_State_A> {};
+struct Multi_State_B_Strategy : Double_State_Strategy<Multi_State_B_Base, Multi_State_B> {};
+struct Multi_State_Product : Multi_State_A_Strategy, Multi_State_B_Strategy {};
+TEST(double_state_strategy_test, supports_named_base_access_in_multiple_inheritance) {
+    Multi_State_Product product;
+    product.Multi_State_A_Strategy::set<&Multi_State_A::value>(3);
+    product.Multi_State_B_Strategy::set<&Multi_State_B::value>(8);
+    product.Multi_State_A_Strategy::publish();
+    product.Multi_State_B_Strategy::publish();
+    EXPECT_EQ(product.Multi_State_A_Strategy::render_use_state().value, 3);
+    EXPECT_EQ(product.Multi_State_B_Strategy::render_use_state().value, 8);
+}