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// Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <QtWidgets/QtWidgets>
class BenchQHeaderView : public QObject
{
Q_OBJECT
public:
BenchQHeaderView() : QObject() {m_tv = 0; m_hv = 0; m_model = 0;}
protected:
QTableView *m_tv;
QHeaderView *m_hv;
QStandardItemModel *m_model;
QStandardItemModel m_normalmodel;
QElapsedTimer t;
bool m_worst_case;
void setupTestData();
bool m_blockSomeSignals;
bool m_updatesEnabled;
int m_rowcount;
int m_colcount;
private slots:
void init();
void cleanupTestCase();
void initTestCase();
void cleanup();
void visualIndexAtSpecial_data() {setupTestData();}
void visualIndexAt_data() {setupTestData();}
void hideShowBench_data() {setupTestData();}
void swapSectionsBench_data() {setupTestData();}
void moveSectionBench_data() {setupTestData();}
void defaultSizeBench_data() {setupTestData();}
void removeBench_data() {setupTestData();}
void insertBench_data() {setupTestData();}
void truncBench_data() {setupTestData();}
void visualIndexAtSpecial();
void visualIndexAt();
void hideShowBench();
void swapSectionsBench();
void moveSectionBench();
void defaultSizeBench();
void removeBench();
void insertBench();
void truncBench();
};
void BenchQHeaderView::setupTestData()
{
QTest::addColumn<bool>("worst_case");
QTest::newRow("Less relevant best case") << false;
QTest::newRow("__* More important worst case *__") << true;
}
void BenchQHeaderView::initTestCase()
{
m_tv = new QTableView();
m_hv = m_tv->verticalHeader();
m_model = &m_normalmodel;
m_tv->setModel(m_model);
m_tv->show();
}
void BenchQHeaderView::cleanupTestCase()
{
delete m_tv;
m_tv = 0;
m_hv = 0;
}
void BenchQHeaderView::init()
{
QFETCH(bool, worst_case);
m_blockSomeSignals = true;
m_updatesEnabled = false;
m_rowcount = 2500;
m_colcount = 10;
m_worst_case = worst_case;
m_model->clear();
if (worst_case) {
for (int u = 0; u <= m_rowcount; ++u) // ensures fragment in Qt 4.x
m_model->setRowCount(u);
m_model->setColumnCount(m_colcount);
m_hv->swapSections(0, m_rowcount - 1);
m_hv->hideSection(m_rowcount / 2);
} else {
m_model->setColumnCount(m_colcount);
m_model->setRowCount(m_rowcount);
}
QString s;
for (int i = 0; i < m_model->rowCount(); ++i) {
m_model->setData(m_model->index(i, 0), QVariant(i));
s.setNum(i);
s += QLatin1Char('.');
s += QLatin1Char('a' + (i % 25));
m_model->setData(m_model->index(i, 1), QVariant(s));
}
m_tv->setUpdatesEnabled(m_updatesEnabled);
m_hv->blockSignals(m_blockSomeSignals);
const int default_section_size = 25;
m_hv->setDefaultSectionSize(default_section_size);
}
void BenchQHeaderView::cleanup()
{
m_tv->setUpdatesEnabled(true);
m_hv->blockSignals(false);
}
void BenchQHeaderView::visualIndexAtSpecial()
{
int lookup_pos = m_hv->length() - 50;
int testnum = 0;
QBENCHMARK {
++testnum;
m_hv->resizeSection(0, testnum % 47);
m_hv->visualIndexAt(lookup_pos);
}
}
void BenchQHeaderView::visualIndexAt()
{
const int center_pos = m_hv->length() / 2;
const int maxpos = m_hv->length() - 1;
QBENCHMARK {
m_hv->visualIndexAt(0);
m_hv->visualIndexAt(center_pos);
m_hv->visualIndexAt(maxpos);
}
}
void BenchQHeaderView::hideShowBench()
{
int n = 0;
bool hide_set = true;
QBENCHMARK {
m_hv->setSectionHidden(n, hide_set);
if (n >= m_hv->count()) {
n = -1;
hide_set = !hide_set;
}
++n;
}
}
void BenchQHeaderView::swapSectionsBench()
{
int n = 0;
QBENCHMARK {
m_hv->swapSections(n, n + 1);
if (++n >= m_hv->count())
n = 0;
}
}
void BenchQHeaderView::moveSectionBench()
{
QBENCHMARK {
m_hv->moveSection(0, m_hv->count() - 2);
}
}
void BenchQHeaderView::defaultSizeBench()
{
int n = 1;
QBENCHMARK {
m_hv->setDefaultSectionSize(n);
++n;
}
}
void BenchQHeaderView::removeBench()
{
QBENCHMARK {
m_model->removeRows(0, 1);
if (m_hv->count() == 0) { // setup a new hard model
m_model->setRowCount(m_rowcount);
if (m_worst_case) {
m_hv->swapSections(0, m_rowcount - 1);
m_hv->hideSection(m_rowcount / 2);
}
}
}
}
void BenchQHeaderView::insertBench()
{
QBENCHMARK {
m_model->insertRows(1, 1);
if (m_hv->count() == 10000000) { // setup a new hard model
m_model->setRowCount(m_rowcount);
if (m_worst_case) {
m_hv->swapSections(0, m_rowcount - 1);
m_hv->hideSection(m_rowcount / 2);
}
}
}
}
void BenchQHeaderView::truncBench()
{
QBENCHMARK {
m_model->setRowCount(1);
m_model->setRowCount(m_rowcount);
if (m_worst_case) {
m_hv->swapSections(0, m_rowcount - 1);
m_hv->hideSection(m_rowcount / 2);
}
}
}
QTEST_MAIN(BenchQHeaderView)
#include "qheaderviewbench.moc"
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