qt 6.5.1 original

tests/benchmarks/widgets/itemviews/qheaderview/CMakeLists.txt

@@ -0,0 +1,15 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qheaderview Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qheaderview
+    SOURCES
+        qheaderviewbench.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::Test
+        Qt::Widgets
+)

tests/benchmarks/widgets/itemviews/qheaderview/qheaderviewbench.cpp

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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 WITH Qt-GPL-exception-1.0
+
+#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"