更完

core/tests/property_core_test.cpp

@@ -131,6 +131,9 @@ struct Pure_Read_Only_Device : Property_Object<Pure_Read_Only_Device> {
     int id{21};
     int version{4};
 };
+struct Callable_Device {
+    int value{4};
+};
 template <>
 struct structive::Type_Descriptor<Pure_Read_Only_Device> {
     static auto get() {
@@ -184,6 +187,14 @@ static void runtime_read_int(void* context, std::size_t, std::string_view, const
     *static_cast<int*>(context) = *static_cast<const int*>(value);
 }
 int main() {
+    auto callable_accessor = trusted_callable_accessor<Callable_Device>(
+        [](const Callable_Device& value) { return value.value; },
+        [](Callable_Device& target, int value) { target.value = value; });
+    static_assert(Property_Accessor<decltype(callable_accessor)>);
+    Callable_Device callable_device;
+    REQUIRE(callable_accessor.read(callable_device) == 4);
+    callable_accessor.write(callable_device, 9);
+    REQUIRE(callable_device.value == 9);
     static_assert(Property_Described_Object<Device>);
     static_assert(!Can_Write_Immutable<Device>);
     static_assert(!Can_Write_Immutable_By_Key<Device>);