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// Copyright (C) 2021 Igor Kushnir <igorkuo@gmail.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QSortFilterProxyModel>
#include <QString>
#include <QStringList>
#include <QStringListModel>
#include <QTest>
static void resizeNumberList(QStringList &numberList, int size)
{
if (!numberList.empty())
QCOMPARE(numberList.constLast(), QString::number(numberList.size()));
if (numberList.size() < size) {
numberList.reserve(size);
for (int i = numberList.size() + 1; i <= size; ++i)
numberList.push_back(QString::number(i));
} else if (numberList.size() > size) {
numberList.erase(numberList.begin() + size, numberList.end());
}
QCOMPARE(numberList.size(), size);
if (!numberList.empty())
QCOMPARE(numberList.constLast(), QString::number(numberList.size()));
}
class tst_QSortFilterProxyModel : public QObject
{
Q_OBJECT
private slots:
void clearFilter_data();
void clearFilter();
void setSourceModel();
private:
QStringList m_numberList; ///< Cache the strings for efficiency.
};
void tst_QSortFilterProxyModel::clearFilter_data()
{
QTest::addColumn<int>("itemCount");
QTest::addColumn<QString>("pattern");
QTest::addColumn<int>("filteredRowCount");
const auto matchSingleItem = [](int item) { return QStringLiteral("^%1$").arg(item); };
for (int thousandItemCount : { 10, 25, 50, 100, 250, 500, 1000, 2000 }) {
const auto itemCount = thousandItemCount * 1000;
QTest::addRow("no match in %dK", thousandItemCount) << itemCount << "-" << 0;
QTest::addRow("match all in %dK", thousandItemCount) << itemCount << "\\d+" << itemCount;
QTest::addRow("match first in %dK", thousandItemCount)
<< itemCount << matchSingleItem(1) << 1;
QTest::addRow("match 1000th in %dK", thousandItemCount)
<< itemCount << matchSingleItem(1000) << 1;
QTest::addRow("match middle in %dK", thousandItemCount)
<< itemCount << matchSingleItem(itemCount / 2) << 1;
QTest::addRow("match 1000th from end in %dK", thousandItemCount)
<< itemCount << matchSingleItem(itemCount - 999) << 1;
QTest::addRow("match last in %dK", thousandItemCount)
<< itemCount << matchSingleItem(itemCount) << 1;
QTest::addRow("match each 10'000th in %dK", thousandItemCount)
<< itemCount << "0000$" << thousandItemCount / 10;
QTest::addRow("match each 100'000th in %dK", thousandItemCount)
<< itemCount << "00000$" << thousandItemCount / 100;
}
}
void tst_QSortFilterProxyModel::clearFilter()
{
QFETCH(const int, itemCount);
resizeNumberList(m_numberList, itemCount);
QStringListModel model(std::as_const(m_numberList));
QCOMPARE(model.rowCount(), itemCount);
QSortFilterProxyModel proxy;
proxy.setSourceModel(&model);
QCOMPARE(model.rowCount(), itemCount);
QCOMPARE(proxy.rowCount(), itemCount);
QFETCH(const QString, pattern);
QFETCH(const int, filteredRowCount);
proxy.setFilterRegularExpression(pattern);
QCOMPARE(model.rowCount(), itemCount);
QCOMPARE(proxy.rowCount(), filteredRowCount);
QBENCHMARK_ONCE {
proxy.setFilterRegularExpression(QString());
}
QCOMPARE(model.rowCount(), itemCount);
QCOMPARE(proxy.rowCount(), itemCount);
}
void tst_QSortFilterProxyModel::setSourceModel()
{
QStringListModel model1;
QStringListModel model2;
QSortFilterProxyModel proxy;
QBENCHMARK {
proxy.setSourceModel(&model1);
proxy.setSourceModel(&model2);
}
}
QTEST_MAIN(tst_QSortFilterProxyModel)
#include "tst_bench_qsortfilterproxymodel.moc"
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