Function BOOST_AUTO_TEST_CASE

src/test/cuckoocache_tests.cpp:36–48

Test that no values not inserted into the cache are read out of it. * * There are no repeats in the first 200000 insecure_GetRandHash calls */

 * There are no repeats in the first 200000 insecure_GetRandHash calls
 */
BOOST_AUTO_TEST_CASE(test_cuckoocache_no_fakes)
{
    SeedInsecureRand(SeedRand::ZEROS);
    CuckooCache::cache<uint256, SignatureCacheHasher> cc{};
    size_t megabytes = 4;
    cc.setup_bytes(megabytes << 20);
    for (int x = 0; x < 100000; ++x) {
        cc.insert(InsecureRand256());
    }
    for (int x = 0; x < 100000; ++x) {
        BOOST_CHECK(!cc.contains(InsecureRand256(), false));
    }
};

/** This helper returns the hit rate when megabytes*load worth of entries are
 * inserted into a megabytes sized cache