Add basic support for gtest

This patch provides the basics for detecting the googletest related
code.

Change-Id: I34da3e02596cdc0805f79633ecf2176807390fc1
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

plugins/autotest/autotest_utils.h

@@ -0,0 +1,39 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd
+** All rights reserved.
+** For any questions to The Qt Company, please use contact form at
+** http://www.qt.io/contact-us
+**
+** This file is part of the Qt Creator Enterprise Auto Test Add-on.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://www.qt.io/contact-us
+**
+****************************************************************************/
+
+#ifndef AUTOTEST_UTILS_H
+#define AUTOTEST_UTILS_H
+
+#include <QStringList>
+
+namespace AutoTest {
+namespace Internal {
+
+static bool isGTestMacro(const QString &macro)
+{
+    static QStringList valid = {
+        QStringLiteral("TEST"), QStringLiteral("TEST_F"), QStringLiteral("TEST_P")
+    };
+    return valid.contains(macro);
+}
+
+} // namespace Internal
+} // namespace AutoTest
+
+#endif // AUTOTEST_UTILS_H