Test assisted injection

test/test_di.cpp

@@ -0,0 +1,34 @@
+#include "di.h"
+
+#include <boost/di.hpp>
+#include <boost/di/extension/injections/assisted_injection.hpp>
+#include <doctest/doctest.h>
+#include <functional>
+#include <memory>
+
+namespace securefs
+{
+struct A : public Injectable
+{
+};
+
+struct B
+{
+    BOOST_DI_INJECT(B, std::unique_ptr<A> a, (named = di::extension::assisted) int b)
+        : a(std::move(a)), b(2 * b)
+    {
+    }
+
+    std::unique_ptr<A> a;
+    int b;
+};
+
+TEST_CASE("Assisted injection")
+{
+    using Bcreator = std::function<std::unique_ptr<B>(int)>;
+    auto injector
+        = di::make_injector(di::bind<Bcreator>().to(di::extension::assisted_injection<B>()));
+    auto creator = injector.create<Bcreator>();
+    CHECK(creator(3)->b == 6);
+}
+}    // namespace securefs

vcpkg.json

@@ -10,6 +10,11 @@
         "jsoncpp",
         "sqlite3",
         "fruit",
-        "bext-di"
+        {
+            "name": "bext-di",
+            "features": [
+                "extensions"
+            ]
+        }
     ]
 }