text: /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the test suite of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
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  ** Alternatively, this file may be used under the terms of the GNU Lesser
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  ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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  ****************************************************************************/
  
  #include <QtTest>
  #include <qjsondocument.h>
  #include <qjsonobject.h>
  
  class BenchmarkQtBinaryJson: public QObject
  {
      Q_OBJECT
  public:
      BenchmarkQtBinaryJson(QObject *parent = 0);
  
  private Q_SLOTS:
      void initTestCase();
      void cleanupTestCase();
      void init();
      void cleanup();
  
      void parseNumbers();
      void parseJson();
      void parseJsonToVariant();
  
      void toByteArray();
      void fromByteArray();
  
      void jsonObjectInsert();
      void variantMapInsert();
  };
  
  BenchmarkQtBinaryJson::BenchmarkQtBinaryJson(QObject *parent) : QObject(parent)
  {
  
  }
  
  void BenchmarkQtBinaryJson::initTestCase()
  {
  
  }
  
  void BenchmarkQtBinaryJson::cleanupTestCase()
  {
  
  }
  
  void BenchmarkQtBinaryJson::init()
  {
  
  }
  
  void BenchmarkQtBinaryJson::cleanup()
  {
  
  }
  
  void BenchmarkQtBinaryJson::parseNumbers()
  {
      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);
          QJsonObject object = doc.object();
      }
  }
  
  void BenchmarkQtBinaryJson::parseJson()
  {
      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);
          QJsonObject object = doc.object();
      }
  }
  
  void BenchmarkQtBinaryJson::parseJsonToVariant()
  {
      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);
          QVariant v = doc.toVariant();
      }
  }
  
  void BenchmarkQtBinaryJson::toByteArray()
  {
      // Example: send information over a datastream to another process
      // Measure performance of creating and processing data into bytearray
      QBENCHMARK {
          QVariantMap message;
          message.insert("command", 1);
          message.insert("key", "some information");
          message.insert("env", "some environment variables");
          QByteArray msg = QJsonDocument(QJsonObject::fromVariantMap(message)).toBinaryData();
      }
  }
  
  void BenchmarkQtBinaryJson::fromByteArray()
  {
      // 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
      QVariantMap message;
      message.insert("command", 1);
      message.insert("key", "some information");
      message.insert("env", "some environment variables");
      QByteArray msg = QJsonDocument(QJsonObject::fromVariantMap(message)).toBinaryData();
  
      QBENCHMARK {
          QVariantMap message;
          message = QJsonDocument::fromBinaryData(msg, QJsonDocument::Validate).object().toVariantMap();
      }
  }
  
  void BenchmarkQtBinaryJson::jsonObjectInsert()
  {
      QJsonObject object;
      QString test(QStringLiteral("testString"));
      QJsonValue value(1.5);
  
      QBENCHMARK {
          for (int i = 0; i < 1000; i++)
              object.insert("testkey_" + QString::number(i), value);
      }
  }
  
  void BenchmarkQtBinaryJson::variantMapInsert()
  {
      QVariantMap object;
      QString test(QStringLiteral("testString"));
      QVariant variantValue(1.5);
  
      QBENCHMARK {
          for (int i = 0; i < 1000; i++)
              object.insert("testkey_" + QString::number(i), variantValue);
      }
  }
  
  QTEST_MAIN(BenchmarkQtBinaryJson)
  #include "tst_bench_qtbinaryjson.moc"
  
  