libbinder: Add test for null non-nullable binder return (ae9deebc) · Commits · e / os / android_frameworks_native

libs/binder/tests/IBinderRpcTest.aidl

+3 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,9 @@ interface IBinderRpcTest {
		// number of known RPC binders to process, RpcState::countBinders by session
		int[] countBinders();

		// Return a null binder with a non-nullable return type.
		IBinder getNullBinder();

		// Caller sends server, callee pings caller's server and returns error code.
		int pingMe(IBinder binder);
		@nullable IBinder repeatBinder(@nullable IBinder binder);

+11 −0

Original line number	Diff line number	Diff line
		@@ -202,6 +202,10 @@ public:
		}
		return Status::ok();
		}
		Status getNullBinder(sp<IBinder>* out) override {
		out->clear();
		return Status::ok();
		}
		Status pingMe(const sp<IBinder>& binder, int32_t* out) override {
		if (binder == nullptr) {
		std::cout << "Received null binder!" << std::endl;
		@@ -802,6 +806,13 @@ TEST_P(BinderRpc, SendAndGetResultBackBig) {
		EXPECT_EQ(single + single, doubled);
		}

		TEST_P(BinderRpc, InvalidNullBinderReturn) {
		auto proc = createRpcTestSocketServerProcess({});

		sp<IBinder> outBinder;
		EXPECT_EQ(proc.rootIface->getNullBinder(&outBinder).transactionError(), UNEXPECTED_NULL);
		}

		TEST_P(BinderRpc, CallMeBack) {
		auto proc = createRpcTestSocketServerProcess({});