mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2025-07-07 17:50:59 +08:00
qt 6.5.1 original
This commit is contained in:
13
tests/benchmarks/corelib/io/qiodevice/CMakeLists.txt
Normal file
13
tests/benchmarks/corelib/io/qiodevice/CMakeLists.txt
Normal file
@ -0,0 +1,13 @@
|
||||
# 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
|
||||
)
|
@ -0,0 +1,98 @@
|
||||
// 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"
|
Reference in New Issue
Block a user