Clang: Rename CodeModelBackEnd in ClangBackEnd

Change-Id: I13e8a458634110456375956d4d4da7239c86957f
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

tests/unit/unittest/clangstringtest.cpp

@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "gtest/gtest.h"
+#include "gmock/gmock-matchers.h"
+#include "gmock/gmock.h"
+#include "gtest-qt-printing.h"
+
+#include <clang-c/CXString.h>
+#include <clang-c/Index.h>
+
+#include <clangstring.h>
+#include <utf8string.h>
+
+namespace {
+
+using ClangBackEnd::ClangString;
+
+TEST(ClangString, ConvertToUtf8String)
+{
+    const CXString cxString = { "text", 0};
+
+    ASSERT_THAT(Utf8String(ClangString(cxString)), Utf8StringLiteral("text"));
+}
+
+TEST(ClangString, ConvertNullStringToUtf8String)
+{
+    const CXString cxString = { 0, 0};
+
+    ASSERT_THAT(Utf8String(ClangString(cxString)), Utf8String());
+}
+
+TEST(ClangString, MoveClangString)
+{
+    ClangString text(CXString{ "text", 0});
+
+    const ClangString text2 = std::move(text);
+
+    ASSERT_TRUE(text.isNull());
+    ASSERT_FALSE(text2.isNull());
+}
+
+}