forked from qt-creator/qt-creator
Introduce a Qt-free JSON implementation
This is essentially QJson with Qt replaced by std:: features. This is useful to have in circumstances where a Qt dependency is undesirable, e.g. for the Qt Creator debugger protocol implementation in our CDB extension. Change-Id: Iec79c6b23b1e717ce1b6f4d38755287d1f479c13 Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
This commit is contained in:
hjk
269
tests/benchmarks/json/tst_bench_json.cpp
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269
tests/benchmarks/json/tst_bench_json.cpp
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest>
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#include <qjsondocument.h>
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#include <qjsonobject.h>
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#include <json.h>
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using namespace Json;
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class BenchmarkJson: public QObject
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{
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Q_OBJECT
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public:
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BenchmarkJson() {}
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private Q_SLOTS:
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void jsonObjectInsertQt();
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void jsonObjectInsertStd();
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void createBinaryMessageQt();
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void createBinaryMessageStd();
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void readBinaryMessageQt();
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void readBinaryMessageStd();
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void createTextMessageQt();
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void createTextMessageStd();
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void readTextMessageQt();
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void readTextMessageStd();
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void parseJsonQt();
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void parseJsonStd();
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void parseNumbersQt();
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void parseNumbersStd();
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};
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void BenchmarkJson::parseNumbersQt()
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{
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QString testFile = QFINDTESTDATA("numbers.json");
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QVERIFY2(!testFile.isEmpty(), "cannot find test file numbers.json!");
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QFile file(testFile);
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file.open(QFile::ReadOnly);
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QByteArray testJson = file.readAll();
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QBENCHMARK {
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QJsonDocument doc = QJsonDocument::fromJson(testJson);
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doc.object();
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}
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}
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void BenchmarkJson::parseNumbersStd()
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{
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QString testFile = QFINDTESTDATA("numbers.json");
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QVERIFY2(!testFile.isEmpty(), "cannot find test file numbers.json!");
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QFile file(testFile);
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file.open(QFile::ReadOnly);
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std::string testJson = file.readAll().toStdString();
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QBENCHMARK {
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JsonDocument doc = JsonDocument::fromJson(testJson);
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doc.object();
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}
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}
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void BenchmarkJson::parseJsonQt()
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{
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QString testFile = QFINDTESTDATA("test.json");
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QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!");
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QFile file(testFile);
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file.open(QFile::ReadOnly);
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QByteArray testJson = file.readAll();
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QBENCHMARK {
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QJsonDocument doc = QJsonDocument::fromJson(testJson);
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doc.object();
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}
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}
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void BenchmarkJson::parseJsonStd()
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{
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QString testFile = QFINDTESTDATA("test.json");
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QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!");
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QFile file(testFile);
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file.open(QFile::ReadOnly);
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std::string testJson = file.readAll().toStdString();
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QBENCHMARK {
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JsonDocument doc = JsonDocument::fromJson(testJson);
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doc.object();
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}
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}
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void BenchmarkJson::createBinaryMessageQt()
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{
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// Example: send information over a datastream to another process
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// Measure performance of creating and processing data into bytearray
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QBENCHMARK {
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QJsonObject ob;
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ob.insert(QStringLiteral("command"), 1);
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ob.insert(QStringLiteral("key"), "some information");
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ob.insert(QStringLiteral("env"), "some environment variables");
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QJsonDocument(ob).toBinaryData();
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}
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}
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void BenchmarkJson::createBinaryMessageStd()
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{
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// Example: send information over a datastream to another process
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// Measure performance of creating and processing data into bytearray
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QBENCHMARK {
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JsonObject ob;
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ob.insert("command", 1);
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ob.insert("key", "some information");
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ob.insert("env", "some environment variables");
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JsonDocument(ob).toBinaryData();
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}
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}
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void BenchmarkJson::readBinaryMessageQt()
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{
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// Example: receive information over a datastream from another process
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// Measure performance of converting content back to QVariantMap
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// We need to recreate the bytearray but here we only want to measure the latter
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QJsonObject ob;
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ob.insert(QStringLiteral("command"), 1);
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ob.insert(QStringLiteral("key"), "some information");
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ob.insert(QStringLiteral("env"), "some environment variables");
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QByteArray msg = QJsonDocument(ob).toBinaryData();
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QBENCHMARK {
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QJsonDocument::fromBinaryData(msg, QJsonDocument::Validate).object();
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}
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}
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void BenchmarkJson::readBinaryMessageStd()
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{
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// Example: receive information over a datastream from another process
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// Measure performance of converting content back to QVariantMap
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// We need to recreate the bytearray but here we only want to measure the latter
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JsonObject ob;
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ob.insert("command", 1);
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ob.insert("key", "some information");
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ob.insert("env", "some environment variables");
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std::string msg = JsonDocument(ob).toBinaryData();
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QBENCHMARK {
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JsonDocument::fromBinaryData(msg, JsonDocument::Validate).object();
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}
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}
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void BenchmarkJson::createTextMessageQt()
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{
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// Example: send information over a datastream to another process
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// Measure performance of creating and processing data into bytearray
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QBENCHMARK {
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QJsonObject ob;
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ob.insert(QStringLiteral("command"), 1);
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ob.insert(QStringLiteral("key"), "some information");
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ob.insert(QStringLiteral("env"), "some environment variables");
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QByteArray msg = QJsonDocument(ob).toJson();
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}
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}
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void BenchmarkJson::createTextMessageStd()
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{
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// Example: send information over a datastream to another process
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// Measure performance of creating and processing data into bytearray
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QBENCHMARK {
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JsonObject ob;
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ob.insert("command", 1);
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ob.insert("key", "some information");
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ob.insert("env", "some environment variables");
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std::string msg = JsonDocument(ob).toJson();
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}
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}
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void BenchmarkJson::readTextMessageQt()
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{
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// Example: receive information over a datastream from another process
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// Measure performance of converting content back to QVariantMap
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// We need to recreate the bytearray but here we only want to measure the latter
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QJsonObject ob;
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ob.insert(QStringLiteral("command"), 1);
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ob.insert(QStringLiteral("key"), "some information");
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ob.insert(QStringLiteral("env"), "some environment variables");
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QByteArray msg = QJsonDocument(ob).toJson();
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QBENCHMARK {
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QJsonDocument::fromJson(msg).object();
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}
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}
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void BenchmarkJson::readTextMessageStd()
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{
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// Example: receive information over a datastream from another process
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// Measure performance of converting content back to QVariantMap
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// We need to recreate the bytearray but here we only want to measure the latter
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JsonObject ob;
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ob.insert("command", 1);
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ob.insert("key", "some information");
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ob.insert("env", "some environment variables");
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std::string msg = JsonDocument(ob).toJson();
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QBENCHMARK {
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JsonDocument::fromJson(msg).object();
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}
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}
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void BenchmarkJson::jsonObjectInsertQt()
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{
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QJsonObject object;
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QJsonValue value(1.5);
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QBENCHMARK {
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for (int i = 0; i < 1000; i++)
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object.insert("testkey_" + QString::number(i), value);
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}
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}
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void BenchmarkJson::jsonObjectInsertStd()
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{
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JsonObject object;
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JsonValue value(1.5);
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QBENCHMARK {
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for (int i = 0; i < 1000; i++)
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object.insert("testkey_" + std::to_string(i), value);
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}
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}
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QTEST_MAIN(BenchmarkJson)
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#include "tst_bench_json.moc"
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