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Commit bd8ea28f authored by Steven Moreland's avatar Steven Moreland Committed by Gerrit Code Review
Browse files

Merge "SharedRefBase: detect double-ownership"

parents 385a3a02 c6746a7c

libs/binder/ndk/include_cpp/android/binder_interface_utils.h

+6 −0
Original line number Diff line number Diff line
@@ -55,6 +55,12 @@ class SharedRefBase { 
        std::call_once(mFlagThis, [&]() {

            __assert(__FILE__, __LINE__, "SharedRefBase: no ref created during lifetime");

        });



        if (ref() != nullptr) {

            __assert(__FILE__, __LINE__,

                     "SharedRefBase: destructed but still able to lock weak_ptr. Is this object "

                     "double-owned?");

        }

    }



    /**

libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp

+11 −0
Original line number Diff line number Diff line
@@ -224,6 +224,17 @@ bool isServiceRunning(const char* serviceName) { 
    return true;

}



TEST(NdkBinder, DetectDoubleOwn) {

    auto badService = ndk::SharedRefBase::make<MyBinderNdkUnitTest>();

    EXPECT_DEATH(std::shared_ptr<MyBinderNdkUnitTest>(badService.get()),

                 "Is this object double-owned?");

}



TEST(NdkBinder, DetectNoSharedRefBaseCreated) {

    EXPECT_DEATH(std::make_shared<MyBinderNdkUnitTest>(),

                 "SharedRefBase: no ref created during lifetime");

}



TEST(NdkBinder, GetServiceThatDoesntExist) {

    sp<IFoo> foo = IFoo::getService("asdfghkl;");

    EXPECT_EQ(nullptr, foo.get());