UnitTest: Cleanup

Improve naming and introduce googletest.h.

Change-Id: I445c13db4c23d6dd5682ce0db3b83055cc6b8a89
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

tests/unit/unittest/clangstring-test.cpp

@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "googletest.h"
+
+#include <clangstring.h>
+
+#include <utf8string.h>
+
+#include <clang-c/CXString.h>
+#include <clang-c/Index.h>
+
+namespace {
+
+using ::testing::StrEq;
+
+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, MoveContructor)
+{
+    ClangString text(CXString{ "text", 0});
+
+    const ClangString text2 = std::move(text);
+
+    ASSERT_TRUE(text.isNull());
+    ASSERT_FALSE(text2.isNull());
+}
+
+TEST(ClangString, MoveAssigment)
+{
+    ClangString text(CXString{ "text", 0});
+
+    ClangString text2 = std::move(text);
+    text = std::move(text2);
+
+    ASSERT_TRUE(text2.isNull());
+    ASSERT_FALSE(text.isNull());
+}
+
+TEST(ClangString, MoveSelfAssigment)
+{
+    ClangString text(CXString{ "text", 0});
+
+    text = std::move(text);
+
+    ASSERT_FALSE(text.isNull());
+}
+
+TEST(ClangString, SpellingAsCString)
+{
+    ClangString text(CXString{"text", 0});
+
+    ASSERT_THAT(text.cString(), StrEq("text"));
+}
+}