void InsertQtPropertyMembers::Operation::performChanges(CppRefactoringFile *file, CppRefactoringChanges *refactoring)
{
    InsertionPointLocator locator(refactoring);
    Utils::ChangeSet declarations;

    const QString typeName = file->textOf(m_declaration->type_id);
    const QString propertyName = file->textOf(m_declaration->property_name);

    // getter declaration
    if (m_generateFlags & GenerateGetter) {
        //                const QString getterDeclaration = QString("%1 %2() const;").arg(typeName, getterName);
        const QString getterDeclaration = QString("%1 %2() const\n{\nreturn %3;\n}\n").arg(typeName, m_getterName, m_storageName);
        InsertionLocation getterLoc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::Public);
        Q_ASSERT(getterLoc.isValid());
        insertAndIndent(file, &declarations, getterLoc, getterDeclaration);
    }

    // setter declaration
    if (m_generateFlags & GenerateSetter) {
        //                const QString setterDeclaration = QString("void %1(%2 arg);").arg(setterName, typeName);
        QString setterDeclaration = QString("void %1(%2 arg)\n{\n").arg(m_setterName, typeName);
        if (!m_signalName.isEmpty()) {
            setterDeclaration += QString("if (%1 != arg) {\n%1 = arg;\nemit %2(arg);\n}\n}\n").arg(m_storageName, m_signalName);
        } else {
            setterDeclaration += QString("%1 = arg;\n}\n").arg(m_storageName);
        }
        InsertionLocation setterLoc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::PublicSlot);
        Q_ASSERT(setterLoc.isValid());
        insertAndIndent(file, &declarations, setterLoc, setterDeclaration);
    }

    // signal declaration
    if (m_generateFlags & GenerateSignal) {
        const QString declaration = QString("void %1(%2 arg);\n").arg(m_signalName, typeName);
        InsertionLocation loc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::Signals);
        Q_ASSERT(loc.isValid());
        insertAndIndent(file, &declarations, loc, declaration);
    }

    // storage
    if (m_generateFlags & GenerateStorage) {
        const QString storageDeclaration = QString("%1 m_%2;\n").arg(typeName, propertyName);
        InsertionLocation storageLoc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::Private);
        Q_ASSERT(storageLoc.isValid());
        insertAndIndent(file, &declarations, storageLoc, storageDeclaration);
    }

    file->change(declarations);
}
/*!
    Should insert at line 3, column 1, with "public:\n" as prefix and without suffix.
 */
void CppToolsPlugin::test_codegen_public_in_empty_class()
{
    const QByteArray src = "\n"
            "class Foo\n" // line 1
            "{\n"
            "};\n"
            "\n";

    Document::Ptr doc = Document::create(QLatin1String("public_in_empty_class"));
    doc->setUtf8Source(src);
    doc->parse();
    doc->check();

    QCOMPARE(doc->diagnosticMessages().size(), 0);
    QCOMPARE(doc->globalSymbolCount(), 1U);

    Class *foo = doc->globalSymbolAt(0)->asClass();
    QVERIFY(foo);
    QCOMPARE(foo->line(), 1U);
    QCOMPARE(foo->column(), 7U);

    Snapshot snapshot;
    snapshot.insert(doc);
    CppRefactoringChanges changes(snapshot);
    InsertionPointLocator find(changes);
    InsertionLocation loc = find.methodDeclarationInClass(
                doc->fileName(),
                foo,
                InsertionPointLocator::Public);
    QVERIFY(loc.isValid());
    QCOMPARE(loc.prefix(), QLatin1String("public:\n"));
    QVERIFY(loc.suffix().isEmpty());
    QCOMPARE(loc.line(), 3U);
    QCOMPARE(loc.column(), 1U);
}
/*!
    Should insert at line 18, column 1, with "private slots:\n" as prefix and "\n"
    as suffix.

    This is the typical Qt Designer case, with test-input like what the integration
    generates.
 */
void CppToolsPlugin::test_codegen_qtdesigner_integration()
{
    const QByteArray src = "/**** Some long (C)opyright notice ****/\n"
            "#ifndef MAINWINDOW_H\n"
            "#define MAINWINDOW_H\n"
            "\n"
            "#include <QMainWindow>\n"
            "\n"
            "namespace Ui {\n"
            "    class MainWindow;\n"
            "}\n"
            "\n"
            "class MainWindow : public QMainWindow\n" // line 10
            "{\n"
            "    Q_OBJECT\n"
            "\n"
            "public:\n" // line 14
            "    explicit MainWindow(QWidget *parent = 0);\n"
            "    ~MainWindow();\n"
            "\n"
            "private:\n" // line 18
            "    Ui::MainWindow *ui;\n"
            "};\n"
            "\n"
            "#endif // MAINWINDOW_H\n";

    Document::Ptr doc = Document::create(QLatin1String("qtdesigner_integration"));
    doc->setUtf8Source(src);
    doc->parse();
    doc->check();

    QCOMPARE(doc->diagnosticMessages().size(), 0);
    QCOMPARE(doc->globalSymbolCount(), 2U);

    Class *foo = doc->globalSymbolAt(1)->asClass();
    QVERIFY(foo);
    QCOMPARE(foo->line(), 10U);
    QCOMPARE(foo->column(), 7U);

    Snapshot snapshot;
    snapshot.insert(doc);
    CppRefactoringChanges changes(snapshot);
    InsertionPointLocator find(changes);
    InsertionLocation loc = find.methodDeclarationInClass(
                doc->fileName(),
                foo,
                InsertionPointLocator::PrivateSlot);
    QVERIFY(loc.isValid());
    QCOMPARE(loc.prefix(), QLatin1String("private slots:\n"));
    QCOMPARE(loc.suffix(), QLatin1String("\n"));
    QCOMPARE(loc.line(), 18U);
    QCOMPARE(loc.column(), 1U);
}