核心模板架构

2026-08-04 16:24:41 +08:00
parent 68476882a3
commit f1b9cadd47
121 changed files with 4782 additions and 210 deletions
@@ -0,0 +1,32 @@
+#include <gtest/gtest.h>
+#include <type_traits>
+#include "renderive/base/node/Node.hpp"
+struct Multiway_Node_Test_Owner {};
+struct Multiway_Node_Test_Tag {};
+using Multiway_Node_Test_Type = Multiway_Node<Multiway_Node_Test_Owner, Multiway_Node_Test_Tag>;
+static_assert(Multiway_Node_Type<Multiway_Node_Test_Type, Multiway_Node_Test_Owner, Multiway_Node_Test_Tag>);
+static_assert(!std::same_as<Multiway_Node<Multiway_Node_Test_Owner>, Multiway_Node_Test_Type>);
+TEST(multiway_node_test, reparents_child_and_preserves_order) {
+    Multiway_Node_Test_Owner first_owner;
+    Multiway_Node_Test_Owner second_owner;
+    Multiway_Node_Test_Owner third_owner;
+    Multiway_Node_Test_Type root;
+    Multiway_Node_Test_Type first(&first_owner);
+    Multiway_Node_Test_Type second(&second_owner);
+    Multiway_Node_Test_Type third(&third_owner);
+    root.append_child(first);
+    root.append_child(second);
+    first.append_child(third);
+    EXPECT_EQ(root.children.size(), 2);
+    EXPECT_EQ(first.children.front(), &third);
+    EXPECT_EQ(third.parent, &first);
+    second.append_child(third);
+    EXPECT_TRUE(first.children.empty());
+    EXPECT_EQ(third.parent, &second);
+}
+TEST(multiway_node_test, rejects_cycles) {
+    Multiway_Node_Test_Type root;
+    Multiway_Node_Test_Type child;
+    root.append_child(child);
+    EXPECT_THROW(child.append_child(root), std::invalid_argument);
+}