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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QTest>
#include <qjsondocument.h>
#include <qjsonobject.h>
#include <json.h>
using namespace Json;
class BenchmarkJson: public QObject
{
Q_OBJECT
public:
BenchmarkJson() {}
private Q_SLOTS:
void jsonObjectInsertQt();
void jsonObjectInsertStd();
void createBinaryMessageQt();
void createBinaryMessageStd();
void readBinaryMessageQt();
void readBinaryMessageStd();
void createTextMessageQt();
void createTextMessageStd();
void readTextMessageQt();
void readTextMessageStd();
void parseJsonQt();
void parseJsonStd();
void parseNumbersQt();
void parseNumbersStd();
};
void BenchmarkJson::parseNumbersQt()
{
QString testFile = QFINDTESTDATA("numbers.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file numbers.json!");
QFile file(testFile);
file.open(QFile::ReadOnly);
QByteArray testJson = file.readAll();
QBENCHMARK {
QJsonDocument doc = QJsonDocument::fromJson(testJson);
doc.object();
}
}
void BenchmarkJson::parseNumbersStd()
{
QString testFile = QFINDTESTDATA("numbers.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file numbers.json!");
QFile file(testFile);
file.open(QFile::ReadOnly);
std::string testJson = file.readAll().toStdString();
QBENCHMARK {
JsonDocument doc = JsonDocument::fromJson(testJson);
doc.object();
}
}
void BenchmarkJson::parseJsonQt()
{
QString testFile = QFINDTESTDATA("test.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!");
QFile file(testFile);
file.open(QFile::ReadOnly);
QByteArray testJson = file.readAll();
QBENCHMARK {
QJsonDocument doc = QJsonDocument::fromJson(testJson);
doc.object();
}
}
void BenchmarkJson::parseJsonStd()
{
QString testFile = QFINDTESTDATA("test.json");
QVERIFY2(!testFile.isEmpty(), "cannot find test file test.json!");
QFile file(testFile);
file.open(QFile::ReadOnly);
std::string testJson = file.readAll().toStdString();
QBENCHMARK {
JsonDocument doc = JsonDocument::fromJson(testJson);
doc.object();
}
}
void BenchmarkJson::createBinaryMessageQt()
{
// Example: send information over a datastream to another process
// Measure performance of creating and processing data into bytearray
QBENCHMARK {
QJsonObject ob;
ob.insert(QStringLiteral("command"), 1);
ob.insert(QStringLiteral("key"), "some information");
ob.insert(QStringLiteral("env"), "some environment variables");
QJsonDocument(ob).toBinaryData();
}
}
void BenchmarkJson::createBinaryMessageStd()
{
// Example: send information over a datastream to another process
// Measure performance of creating and processing data into bytearray
QBENCHMARK {
JsonObject ob;
ob.insert("command", 1);
ob.insert("key", "some information");
ob.insert("env", "some environment variables");
JsonDocument(ob).toBinaryData();
}
}
void BenchmarkJson::readBinaryMessageQt()
{
// Example: receive information over a datastream from another process
// Measure performance of converting content back to QVariantMap
// We need to recreate the bytearray but here we only want to measure the latter
QJsonObject ob;
ob.insert(QStringLiteral("command"), 1);
ob.insert(QStringLiteral("key"), "some information");
ob.insert(QStringLiteral("env"), "some environment variables");
QByteArray msg = QJsonDocument(ob).toBinaryData();
QBENCHMARK {
QJsonDocument::fromBinaryData(msg, QJsonDocument::Validate).object();
}
}
void BenchmarkJson::readBinaryMessageStd()
{
// Example: receive information over a datastream from another process
// Measure performance of converting content back to QVariantMap
// We need to recreate the bytearray but here we only want to measure the latter
JsonObject ob;
ob.insert("command", 1);
ob.insert("key", "some information");
ob.insert("env", "some environment variables");
std::string msg = JsonDocument(ob).toBinaryData();
QBENCHMARK {
JsonDocument::fromBinaryData(msg, JsonDocument::Validate).object();
}
}
void BenchmarkJson::createTextMessageQt()
{
// Example: send information over a datastream to another process
// Measure performance of creating and processing data into bytearray
QBENCHMARK {
QJsonObject ob;
ob.insert(QStringLiteral("command"), 1);
ob.insert(QStringLiteral("key"), "some information");
ob.insert(QStringLiteral("env"), "some environment variables");
QByteArray msg = QJsonDocument(ob).toJson();
}
}
void BenchmarkJson::createTextMessageStd()
{
// Example: send information over a datastream to another process
// Measure performance of creating and processing data into bytearray
QBENCHMARK {
JsonObject ob;
ob.insert("command", 1);
ob.insert("key", "some information");
ob.insert("env", "some environment variables");
std::string msg = JsonDocument(ob).toJson();
}
}
void BenchmarkJson::readTextMessageQt()
{
// Example: receive information over a datastream from another process
// Measure performance of converting content back to QVariantMap
// We need to recreate the bytearray but here we only want to measure the latter
QJsonObject ob;
ob.insert(QStringLiteral("command"), 1);
ob.insert(QStringLiteral("key"), "some information");
ob.insert(QStringLiteral("env"), "some environment variables");
QByteArray msg = QJsonDocument(ob).toJson();
QBENCHMARK {
QJsonDocument::fromJson(msg).object();
}
}
void BenchmarkJson::readTextMessageStd()
{
// Example: receive information over a datastream from another process
// Measure performance of converting content back to QVariantMap
// We need to recreate the bytearray but here we only want to measure the latter
JsonObject ob;
ob.insert("command", 1);
ob.insert("key", "some information");
ob.insert("env", "some environment variables");
std::string msg = JsonDocument(ob).toJson();
QBENCHMARK {
JsonDocument::fromJson(msg).object();
}
}
void BenchmarkJson::jsonObjectInsertQt()
{
QJsonObject object;
QJsonValue value(1.5);
QBENCHMARK {
for (int i = 0; i < 1000; i++)
object.insert("testkey_" + QString::number(i), value);
}
}
void BenchmarkJson::jsonObjectInsertStd()
{
JsonObject object;
JsonValue value(1.5);
QBENCHMARK {
for (int i = 0; i < 1000; i++)
object.insert("testkey_" + std::to_string(i), value);
}
}
QTEST_MAIN(BenchmarkJson)
#include "tst_bench_json.moc"
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