// Copyright 2009 Google Inc. All Rights Reserved.
// Author: xdong@google.com (Tiger Dong)

#include <iostream>
#include <QScriptEngine>
#include <QCoreApplication>
#include <QScriptClass>
#include <QtDebug>

static bool flag = false;

class ResolveClass : public QScriptClass {
 public:
  ResolveClass(QScriptEngine *engine) : QScriptClass(engine) {}
  QScriptValue property(const QScriptValue &obj, const QScriptString &name, uint id) {
    if (name.toString() == "b") {
      return QScriptValue(200);
    } else {
      return QScriptValue();
    }
  }
  QueryFlags queryProperty(const QScriptValue &obj, const QScriptString &name, QueryFlags flags, uint *id) {
    if (name.toString() == "a") return 0;
    return HandlesReadAccess | HandlesWriteAccess;
  }
};

static void Verify(const QString &method, QScriptEngine &engine) {
  engine.evaluate("var a = 100; a = b;");
  QScriptValue a = engine.globalObject().property("a");
  if (a.toInteger() == 200) {
    qDebug() << method << " OK";
  } else {
    qDebug() << method << " Fail:" << a.toInteger();
  }
}

static void Method1() {
  QScriptEngine engine;
  ResolveClass resolve_class(&engine);
  engine.globalObject().setScriptClass(&resolve_class);
  Verify("method1", engine);
}

static void Method2() {
  QScriptEngine engine;
  ResolveClass resolve_class(&engine);
  engine.globalObject().setPrototype(engine.newObject(&resolve_class));
  Verify("method2", engine);
}

static void Method3() {
  QScriptEngine engine;
  ResolveClass resolve_class(&engine);
  engine.setGlobalObject(engine.newObject(&resolve_class));
  Verify("method3", engine);
}

static void Method4() {
  QScriptEngine engine;
  ResolveClass resolve_class(&engine);
  QScriptValue global = engine.newObject();
  global.setPrototype(engine.newObject(&resolve_class));
  engine.setGlobalObject(global);
  Verify("method4", engine);
}

static void Method5() {
  QScriptEngine engine;
  ResolveClass resolve_class(&engine);
  QScriptValue global = engine.newObject();
  global.setProperty("b", 200);
  engine.setGlobalObject(global);
  Verify("method5", engine);
}

int main(int argc, char **argv) {
  QCoreApplication app(argc, argv);

  Method1();
  Method2();
  Method3();
  Method4();
  Method5();
  return 0;
}