Merge pull request #769 from leapmotion/test-awadvertise

Add a test to assure post-hoc type advertisement behaviors are correct

src/autowiring/test/AutowiringTest.cpp

@@ -99,6 +99,8 @@ class DynamicCastDerivedType : public PublicBase, private PrivateBase {
 public:
   DynamicCastDerivedType(void) {}
   ~DynamicCastDerivedType(void) {}
+
+  FRIEND_TEST(AutowiringTest, PostHocTypeAdvertisement);
 };
 
 TEST_F(AutowiringTest, TestFailureOfDynamicCast) {
@@ -109,6 +111,21 @@ TEST_F(AutowiringTest, TestFailureOfDynamicCast) {
   static_assert(!std::is_base_of<DynamicCastDerivedType, PrivateBase>::value, "is_base_of said a private base was a base");
 }
 
+TEST_F(AutowiringTest, PostHocTypeAdvertisement) {
+  AutoCurrentContext ctxt;
+  AutoRequired<DynamicCastDerivedType> dcdt;
+  Autowired<PrivateBase> pb;
+
+  ASSERT_FALSE(pb.IsAutowired()) << "Private base type was present in the context before it was advertised";
+  ctxt->Add(
+    std::shared_ptr<PrivateBase>{
+      dcdt,
+      static_cast<PrivateBase*>(dcdt.get())
+    }
+  );
+  ASSERT_TRUE(pb.IsAutowired()) << "Type was not autowired after an injection event took place that should have made it available";
+}
+
 class CompletelyUndefinedType;
 
 TEST_F(AutowiringTest, CanAutowireCompletelyUndefinedType) {