Adding a QHeaderView benchmark
This is a small QHeaderView benchmark. It measures visualIndexAt, hideSection, showSecion, moveSection, insert, remove and trunc rows. Change-Id: Ibca6a2e130f4ab27d68f51e5e341a78579abd1bf Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
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TEMPLATE = subdirs
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SUBDIRS = \
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qtableview
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qtableview \
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qheaderview
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QT += widgets testlib
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TEMPLATE = app
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TARGET = bench_qheaderview
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SOURCES += qheaderviewbench.cpp
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264
tests/benchmarks/gui/itemviews/qheaderview/qheaderviewbench.cpp
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264
tests/benchmarks/gui/itemviews/qheaderview/qheaderviewbench.cpp
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/****************************************************************************
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**
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** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QtWidgets/QtWidgets>
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class BenchQHeaderView : public QObject
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{
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Q_OBJECT
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public:
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BenchQHeaderView() : QObject() {m_tv = 0; m_hv = 0; m_model = 0;}
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protected:
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QTableView *m_tv;
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QHeaderView *m_hv;
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QStandardItemModel *m_model;
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QStandardItemModel m_normalmodel;
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QElapsedTimer t;
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bool m_worst_case;
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void setupTestData();
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bool m_blockSomeSignals;
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bool m_updatesEnabled;
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int m_rowcount;
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int m_colcount;
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private slots:
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void init();
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void cleanupTestCase();
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void initTestCase();
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void cleanup();
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void visualIndexAtSpecial_data() {setupTestData();}
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void visualIndexAt_data() {setupTestData();}
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void hideShowBench_data() {setupTestData();}
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void swapSectionsBench_data() {setupTestData();}
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void moveSectionBench_data() {setupTestData();}
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void defaultSizeBench_data() {setupTestData();}
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void removeBench_data() {setupTestData();}
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void insertBench_data() {setupTestData();}
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void truncBench_data() {setupTestData();}
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void visualIndexAtSpecial();
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void visualIndexAt();
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void hideShowBench();
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void swapSectionsBench();
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void moveSectionBench();
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void defaultSizeBench();
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void removeBench();
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void insertBench();
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void truncBench();
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};
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void BenchQHeaderView::setupTestData()
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{
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QTest::addColumn<bool>("worst_case");
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QTest::newRow("Less relevant best case") << false;
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QTest::newRow("__* More important worst case *__") << true;
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}
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void BenchQHeaderView::initTestCase()
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{
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m_tv = new QTableView();
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m_hv = m_tv->verticalHeader();
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m_model = &m_normalmodel;
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m_tv->setModel(m_model);
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m_tv->show();
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}
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void BenchQHeaderView::cleanupTestCase()
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{
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delete m_tv;
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m_tv = 0;
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m_hv = 0;
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}
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void BenchQHeaderView::init()
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{
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QFETCH(bool, worst_case);
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m_blockSomeSignals = true;
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m_updatesEnabled = false;
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m_rowcount = 2500;
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m_colcount = 10;
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m_worst_case = worst_case;
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m_model->clear();
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if (worst_case) {
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for (int u = 0; u <= m_rowcount; ++u) // ensures fragment in Qt 4.x
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m_model->setRowCount(u);
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m_model->setColumnCount(m_colcount);
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m_hv->swapSections(0, m_rowcount - 1);
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m_hv->hideSection(m_rowcount / 2);
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} else {
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m_model->setColumnCount(m_colcount);
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m_model->setRowCount(m_rowcount);
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}
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QString s;
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for (int i = 0; i < m_model->rowCount(); ++i) {
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m_model->setData(m_model->index(i, 0), QVariant(i));
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s.setNum(i);
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s += ".";
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s += 'a' + (i % 25);
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m_model->setData(m_model->index(i, 1), QVariant(s));
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}
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m_tv->setUpdatesEnabled(m_updatesEnabled);
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m_hv->blockSignals(m_blockSomeSignals);
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const int default_section_size = 25;
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m_hv->setDefaultSectionSize(default_section_size);
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}
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void BenchQHeaderView::cleanup()
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{
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m_tv->setUpdatesEnabled(true);
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m_hv->blockSignals(false);
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}
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void BenchQHeaderView::visualIndexAtSpecial()
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{
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int lookup_pos = m_hv->length() - 50;
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int testnum = 0;
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QBENCHMARK {
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++testnum;
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m_hv->resizeSection(0, testnum % 47);
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m_hv->visualIndexAt(lookup_pos);
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}
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}
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void BenchQHeaderView::visualIndexAt()
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{
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const int center_pos = m_hv->length() / 2;
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const int maxpos = m_hv->length() - 1;
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QBENCHMARK {
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m_hv->visualIndexAt(0);
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m_hv->visualIndexAt(center_pos);
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m_hv->visualIndexAt(maxpos);
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}
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}
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void BenchQHeaderView::hideShowBench()
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{
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int n = 0;
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bool hide_set = true;
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QBENCHMARK {
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m_hv->setSectionHidden(n, hide_set);
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if (n >= m_hv->count()) {
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n = -1;
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hide_set = !hide_set;
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}
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++n;
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}
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}
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void BenchQHeaderView::swapSectionsBench()
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{
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int n = 0;
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QBENCHMARK {
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m_hv->swapSections(n, n + 1);
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if (++n >= m_hv->count())
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n = 0;
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}
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}
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void BenchQHeaderView::moveSectionBench()
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{
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QBENCHMARK {
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m_hv->moveSection(0, m_hv->count() - 2);
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}
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}
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void BenchQHeaderView::defaultSizeBench()
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{
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int n = 1;
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QBENCHMARK {
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m_hv->setDefaultSectionSize(n);
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++n;
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}
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}
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void BenchQHeaderView::removeBench()
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{
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QBENCHMARK {
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m_model->removeRows(0, 1);
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if (m_hv->count() == 0) { // setup a new hard model
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m_model->setRowCount(m_rowcount);
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if (m_worst_case) {
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m_hv->swapSections(0, m_rowcount - 1);
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m_hv->hideSection(m_rowcount / 2);
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}
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}
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}
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}
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void BenchQHeaderView::insertBench()
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{
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QBENCHMARK {
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m_model->insertRows(1, 1);
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if (m_hv->count() == 10000000) { // setup a new hard model
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m_model->setRowCount(m_rowcount);
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if (m_worst_case) {
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m_hv->swapSections(0, m_rowcount - 1);
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m_hv->hideSection(m_rowcount / 2);
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}
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}
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}
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}
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void BenchQHeaderView::truncBench()
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{
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QBENCHMARK {
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m_model->setRowCount(1);
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m_model->setRowCount(m_rowcount);
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if (m_worst_case) {
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m_hv->swapSections(0, m_rowcount - 1);
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m_hv->hideSection(m_rowcount / 2);
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}
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}
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}
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QTEST_MAIN(BenchQHeaderView)
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#include "qheaderviewbench.moc"
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