Class QuickInspectorBench

tests/quickinspectorbench.cpp:25–82

using namespace GammaRay;

class QuickInspectorBench : public QObject
{
    Q_OBJECT

private slots:
    void initTestCase()
    {
    }

    void benchModelObjectAdded()
    {
        QQuickView view;
        auto root = view.contentItem();
        QuickItemModel model;
        model.setWindow(&view);
        const auto items = createItems(root);

        QBENCHMARK_ONCE
        {
            for (auto item : items) {
                model.objectAdded(item);
            }
        }
    }

    void benchModelItemUpdated()
    {
        QQuickView view;
        auto root = view.contentItem();
        QuickItemModel model;
        model.setWindow(&view);
        const auto items = createItems(root);

        for (auto item : items) {
            model.objectAdded(item);
        }

        QBENCHMARK_ONCE
        {
            for (auto item : items) {
                // trigger item update
                item->setX(item->x() + 1);
            }
        }
    }

private:
    static QVector<QQuickItem *> createItems(QQuickItem *parent)
    {
        const int numberOfItems = 100; // increase when benchmarking as needed
        QVector<QQuickItem *> items;
        items.reserve(numberOfItems);
        for (int i = 0; i < numberOfItems; ++i) {
            items << new QQuickItem(parent);
        }
        return items;
    }
};