1 /* 2 * Copyright 2014 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FRUIT_INJECTOR_ACCESSOR_FOR_TESTS_H 18 #define FRUIT_INJECTOR_ACCESSOR_FOR_TESTS_H 19 20 #include <fruit/fruit.h> 21 22 namespace fruit { 23 namespace impl { 24 25 /** 26 * A class used to access Injector's internals in Fruit's own tests. Note that this is *not* meant to be used outside 27 * of Fruit. 28 */ 29 struct InjectorAccessorForTests { 30 31 /** 32 * If C was bound (directly or indirectly) in the component used to create this injector, returns a pointer to the 33 * instance of C (constructing it if necessary). Otherwise returns nullptr. 34 * 35 * This supports annotated injection, just use Annotated<Annotation, C> instead of just C. 36 * With a non-annotated parameter C, this returns a C*. 37 * With an annotated parameter C=Annotated<Annotation, SomeClass>, this returns a const SomeClass*. 38 * 39 * Note that this doesn't trigger auto-bindings: so even if the constructor of C was visible to some get*Component 40 * function (or to the place where unsafeGet is called), in order to successfully get an instance with this method 41 * you need all the following to be true: 42 * * C was explicitly bound in a component, or C was a dependency (direct or indirect) of a type that was explicitly 43 * bound 44 * * C was not bound to any interface (note however that if C was bound to I, you can do unsafeGet<I>() instead). 45 * 46 * Otherwise this method will return nullptr. 47 */ 48 template <typename C, typename... Params> 49 static const fruit::impl::RemoveAnnotations<C>* 50 unsafeGet(fruit::Injector<Params...>& injector); 51 }; 52 } 53 } 54 55 #include <fruit/impl/injector/injector_accessor_for_tests.defn.h> 56 57 #endif // FRUIT_INJECTOR_ACCESSOR_FOR_TESTS_H 58