Method testStringsShouldMatch_data

tests/core/utility/FastHashTest.cpp:61–96

}

void FastHashTest::testStringsShouldMatch_data()
{
    QTest::addColumn<QString>("needle");
    QTest::addColumn<QString>("haystack");

	QTest::newRow("tag manager") << "tagmanager.com/tag.js" << "target.ad.tagmanager.com/tag.js";
    QTest::newRow("cdn") << "somecdn.com/img" << "https://subdomain.somecdn.com/img/a/123/4/xyz.jpg";
    QTest::newRow("quick brown fox") << "fox jumped" << "The quick brown fox jumped over the lazy dog";

    // Make 10 random strings - only generating 10 as the fast hash is benchmarked, and each row of data
    // is ran tens to hundreds of thousands of times to test correctness and performance
    const int numRandomStrings = 10;
    const auto charSet = charset();
    std::default_random_engine rng(std::random_device{}());
    std::uniform_int_distribution<> dist(0, charSet.size() - 1);
    auto randchar = [charSet, &dist,&rng](){
        return charSet[dist(rng)];
    };

    std::uniform_int_distribution<size_t> randStringLen(80, 200);
    std::uniform_int_distribution<size_t> randNeedleLen(5, 70);
    for (int i = 0; i < numRandomStrings; ++i)
    {
        size_t stringLen = randStringLen(rng);
        size_t needleLen = randNeedleLen(rng);

        auto randomString = random_string(stringLen, randchar);

        std::uniform_int_distribution<size_t> randNeedleOffset(0, randomString.size() - needleLen);
        size_t needleOffset = randNeedleOffset(rng);
        auto randomNeedle = randomString.substr(needleOffset, needleLen);

        QString testName = QString("Random string %1").arg(i);
        QTest::newRow(testName.toStdString().c_str()) << randomNeedle.c_str() << randomString.c_str();
    }
}

void FastHashTest::testStringsShouldMatch()
{