Method testActiveDocumentHasASTAttached

plugins/clang/tests/test_duchain.cpp:958–1025

}

void TestDUChain::testActiveDocumentHasASTAttached()
{
  const TopDUContext::Features features = TopDUContext::AllDeclarationsContextsAndUses;

    IndexedTopDUContext indexed;
    ClangParsingEnvironment lastEnv;
    {
        TestFile file(QStringLiteral("int main() {}\n"), QStringLiteral("cpp"));
        const auto astFeatures = features | TopDUContext::AST;
        file.parse(astFeatures);
        file.setKeepDUChainData(true);
        QVERIFY(file.waitForParsed());

        DUChainWriteLocker lock;
        auto top = file.topContext();
        QVERIFY(top);
        auto sessionData = ParseSessionData::Ptr(dynamic_cast<ParseSessionData*>(top->ast().data()));
        lock.unlock();
        ParseSession session(sessionData);
        lock.lock();
        QVERIFY(session.data());
        QVERIFY(top);
        QVERIFY(top->ast());

        indexed = top->indexed();
    }

    DUChain::self()->storeToDisk();

    {
        DUChainWriteLocker lock;
        QVERIFY(!DUChain::self()->isInMemory(indexed.index()));
        QVERIFY(indexed.data());
    }

    QUrl url;
    {
        DUChainReadLocker lock;
        auto ctx = indexed.data();
        QVERIFY(ctx);
        QVERIFY(!ctx->ast());
        url = ctx->url().toUrl();
    }

    QVERIFY(!QFileInfo::exists(url.toLocalFile()));
    QFile file(url.toLocalFile());
    file.open(QIODevice::WriteOnly);
    Q_ASSERT(file.isOpen());

    auto document = ICore::self()->documentController()->openDocument(url);
    QVERIFY(document);
    ICore::self()->documentController()->activateDocument(document);

    QApplication::processEvents();
    ICore::self()->languageController()->backgroundParser()->parseDocuments();
    QThread::sleep(1);

    document->close(KDevelop::IDocument::Discard);