C++ (Cpp) Atomic::CompareAndSwap Examples

Example #1

File: atomic_tests.cpp Project: ancapdev/crunch.concurrency

BOOST_AUTO_TEST_CASE_TEMPLATE(CompareAndSwapFailTest, T, AtomicTypes)
{
    Atomic<T> value = 0;
 
    T cmp = 123;
    bool const swapped = value.CompareAndSwap(cmp, 0);
    BOOST_CHECK(!swapped);
    BOOST_CHECK_EQUAL(cmp, T(0));
    BOOST_CHECK_EQUAL(value, T(0));
}

Example #2

File: atomic_tests.cpp Project: ancapdev/crunch.concurrency

BOOST_AUTO_TEST_CASE_TEMPLATE(CompareAndSwapSucceedTest, T, AtomicTypes)
{
    Atomic<T> value = 0;

    T cmp = 0;
    bool const swapped = value.CompareAndSwap(cmp, 123);
    BOOST_CHECK(swapped);
    BOOST_CHECK_EQUAL(cmp, T(0));
    BOOST_CHECK_EQUAL(value, T(123));
}