1 files changed, 127 insertions, 0 deletions
diff --git a/src/quicktestutils/qml/qmlutils_p.h b/src/quicktestutils/qml/qmlutils_p.h
new file mode 100644
index 0000000000..d8d28256ac
--- /dev/null
+++ b/src/quicktestutils/qml/qmlutils_p.h
@@ -0,0 +1,127 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef QQMLTESTUTILS_P_H
+#define QQMLTESTUTILS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QTemporaryDir>
+#include <QtCore/QDir>
+#include <QtCore/QUrl>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QStringList>
+#include <QtTest/QTest>
+#include <QtCore/private/qglobal_p.h>
+
+QT_BEGIN_NAMESPACE
+
+/* Base class for tests with data that are located in a "data" subfolder. */
+
+class QQmlDataTest : public QObject
+{
+    Q_OBJECT
+public:
+    enum class FailOnWarningsPolicy {
+        DoNotFailOnWarnings,
+        FailOnWarnings
+    };
+
+    QQmlDataTest(
+            const char *qmlTestDataDir,
+            FailOnWarningsPolicy failOnWarningsPolicy = FailOnWarningsPolicy::DoNotFailOnWarnings,
+            const char *dataSubdir = "data");
+    virtual ~QQmlDataTest();
+
+    QString testFile(const QString &fileName) const;
+    inline QString testFile(const char *fileName) const
+        { return testFile(QLatin1String(fileName)); }
+    inline QUrl testFileUrl(const QString &fileName) const
+        {
+            const QString fn = testFile(fileName);
+            return fn.startsWith(QLatin1Char(':'))
+                ? QUrl(QLatin1String("qrc") + fn)
+                : QUrl::fromLocalFile(fn);
+        }
+    inline QUrl testFileUrl(const char *fileName) const
+        { return testFileUrl(QLatin1String(fileName)); }
+
+    inline QString dataDirectory() const { return m_dataDirectory; }
+    inline QUrl dataDirectoryUrl() const { return m_dataDirectoryUrl; }
+    inline QString directory() const  { return m_directory; }
+
+    static inline QQmlDataTest *instance() { return m_instance; }
+
+    bool canImportModule(const QString &importTestQmlSource) const;
+
+public Q_SLOTS:
+    virtual void initTestCase();
+    virtual void init();
+
+private:
+    static QQmlDataTest *m_instance;
+
+    // The directory in which to search for m_dataSubDir.
+    const char *m_qmlTestDataDir = nullptr;
+    // The subdirectory containing the actual data. Typically "data"
+    const char *m_dataSubDir = nullptr;
+    // The path to m_dataSubDir, if found.
+    const QString m_dataDirectory;
+    const QUrl m_dataDirectoryUrl;
+    QTemporaryDir m_cacheDir;
+    QString m_directory;
+    bool m_usesOwnCacheDir = false;
+    FailOnWarningsPolicy m_failOnWarningsPolicy = FailOnWarningsPolicy::DoNotFailOnWarnings;
+};
+
+class QQmlTestMessageHandler
+{
+    Q_DISABLE_COPY(QQmlTestMessageHandler)
+public:
+    QQmlTestMessageHandler();
+    ~QQmlTestMessageHandler();
+
+    const QStringList &messages() const { return m_messages; }
+    const QString messageString() const { return m_messages.join(QLatin1Char('\n')); }
+
+    void clear() { m_messages.clear(); }
+
+    void setIncludeCategoriesEnabled(bool enabled) { m_includeCategories = enabled; }
+
+private:
+    static void messageHandler(QtMsgType, const QMessageLogContext &context, const QString &message);
+
+    static QQmlTestMessageHandler *m_instance;
+    QStringList m_messages;
+    QtMessageHandler m_oldHandler;
+    bool m_includeCategories;
+};
+
+class QQmlEngine;
+
+namespace QV4 {
+struct ExecutionEngine;
+}
+
+enum class GCFlags {
+    None = 0,
+    DontSendPostedEvents = 1
+};
+
+bool gcDone(const QV4::ExecutionEngine *engine);
+void gc(QV4::ExecutionEngine &engine, GCFlags flags = GCFlags::None);
+bool gcDone(QQmlEngine *engine);
+void gc(QQmlEngine &engine, GCFlags flags = GCFlags::None);
+
+QT_END_NAMESPACE
+
+#endif // QQMLTESTUTILS_P_H