qt 6.5.1 original

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kleuter
2023-10-29 23:33:08 +01:00
parent 71d22ab6b0
commit 85d238dfda
21202 changed files with 5499099 additions and 0 deletions

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
#####################################################################
## tst_bench_qiodevice Binary:
#####################################################################
qt_internal_add_benchmark(tst_bench_qiodevice
SOURCES
tst_bench_qiodevice.cpp
LIBRARIES
Qt::Test
)

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QDebug>
#include <QIODevice>
#include <QFile>
#include <QString>
#include <qtest.h>
class tst_QIODevice : public QObject
{
Q_OBJECT
private slots:
void read_old();
void read_old_data() { read_data(); }
void peekAndRead();
void peekAndRead_data() { read_data(); }
//void read_new();
//void read_new_data() { read_data(); }
private:
void read_data();
};
void tst_QIODevice::read_data()
{
QTest::addColumn<qint64>("size");
QTest::newRow("10k") << qint64(10 * 1024);
QTest::newRow("100k") << qint64(100 * 1024);
QTest::newRow("1000k") << qint64(1000 * 1024);
QTest::newRow("10000k") << qint64(10000 * 1024);
QTest::newRow("100000k") << qint64(100000 * 1024);
QTest::newRow("1000000k") << qint64(1000000 * 1024);
}
void tst_QIODevice::read_old()
{
QFETCH(qint64, size);
QString name = "tmp" + QString::number(size);
{
QFile file(name);
file.open(QIODevice::WriteOnly);
file.seek(size);
file.write("x", 1);
file.close();
}
QBENCHMARK {
QFile file(name);
file.open(QIODevice::ReadOnly);
QByteArray ba;
qint64 s = size - 1024;
file.seek(512);
ba = file.read(s); // crash happens during this read / assignment operation
}
{
QFile file(name);
file.remove();
}
}
void tst_QIODevice::peekAndRead()
{
QFETCH(qint64, size);
QString name = "tmp" + QString::number(size);
{
QFile file(name);
file.open(QIODevice::WriteOnly);
file.seek(size);
file.write("x", 1);
file.close();
}
QBENCHMARK {
QFile file(name);
file.open(QIODevice::ReadOnly);
QByteArray ba(size / 1024, Qt::Uninitialized);
while (!file.atEnd()) {
file.peek(ba.data(), ba.size());
file.read(ba.data(), ba.size());
}
}
{
QFile file(name);
file.remove();
}
}
QTEST_MAIN(tst_QIODevice)
#include "tst_bench_qiodevice.moc"