BOOST_AUTO_TEST_CASE(testHeaderViewLength) {
        QTabWidget tw;
        tw.setFixedSize(200, 300);
        QTreeView* view = new QTreeView(&tw);
        view->setSortingEnabled(true);
        tw.addTab(view, "Bla");
        QStandardItemModel* model = buildModel(view);
        view->setModel(model);
        BOOST_REQUIRE(model->columnCount() > 1);
        QHeaderView* header = view->header();

        for (int c = 1; c < model->columnCount(); ++c) {
            header->hideSection(c);
        }
        tw.show();

        QList<int> sectionSizes;
        for (int c = 0; c < model->columnCount(); ++c) {
            BOOST_CHECK_EQUAL(c != 0, header->isSectionHidden(c));
            sectionSizes.append(header->sectionSize(c));
        }

        QString state = header->saveState().toHex();
        header->restoreState(QByteArray::fromHex(state.toLatin1()));

        for (int c = 0; c < model->columnCount(); ++c) {
            BOOST_CHECK_EQUAL(c != 0, header->isSectionHidden(c));
            BOOST_CHECK_EQUAL(sectionSizes.at(c), header->sectionSize(c));
        }
        BOOST_REQUIRE(state == header->saveState().toHex());
    }