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diff --git a/tests/unit/codemodelbackend/unittest/completionchunkstotextconvertertest.cpp b/tests/unit/codemodelbackend/unittest/completionchunkstotextconvertertest.cpp
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+++ b/tests/unit/codemodelbackend/unittest/completionchunkstotextconvertertest.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
+** 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-generated-matchers.h"
+#include "gtest-qt-printing.h"
+
+#include <codecompletionchunk.h>
+#include <completionchunkstotextconverter.h>
+
+namespace {
+
+using CodeModelBackEnd::CodeCompletionChunk;
+
+class CompletionChunksToTextConverter : public ::testing::Test
+{
+protected:
+    ClangCodeModel::Internal::CompletionChunksToTextConverter converter;
+    CodeCompletionChunk integerResultType{CodeCompletionChunk::ResultType, Utf8StringLiteral("int")};
+    CodeCompletionChunk enumerationResultType{CodeCompletionChunk::ResultType, Utf8StringLiteral("Enumeration")};
+    CodeCompletionChunk functionName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Function")};
+    CodeCompletionChunk variableName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Variable")};
+    CodeCompletionChunk enumeratorName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Enumerator")};
+    CodeCompletionChunk enumerationName{CodeCompletionChunk::TypedText, Utf8StringLiteral("Enumeration")};
+    CodeCompletionChunk className{CodeCompletionChunk::TypedText, Utf8StringLiteral("Class")};
+    CodeCompletionChunk leftParen{CodeCompletionChunk::LeftParen, Utf8StringLiteral("(")};
+    CodeCompletionChunk rightParen{CodeCompletionChunk::LeftParen, Utf8StringLiteral(")")};
+    CodeCompletionChunk comma{CodeCompletionChunk::Comma, Utf8StringLiteral(", ")};
+    CodeCompletionChunk functionArgumentX{CodeCompletionChunk::Placeholder, Utf8StringLiteral("char x")};
+    CodeCompletionChunk functionArgumentY{CodeCompletionChunk::Placeholder, Utf8StringLiteral("int y")};
+    CodeCompletionChunk functionArgumentZ{CodeCompletionChunk::Placeholder, Utf8StringLiteral("int z")};
+    CodeCompletionChunk optional{CodeCompletionChunk::Optional, Utf8String(), {comma, functionArgumentY, comma, functionArgumentZ}};
+};
+
+TEST_F(CompletionChunksToTextConverter, ParseIsClearingText)
+{
+    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, rightParen});
+    converter.parseChunks(completionChunks);
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("int Function()"));
+}
+
+TEST_F(CompletionChunksToTextConverter, ConvertFunction)
+{
+    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, rightParen});
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("int Function()"));
+}
+
+TEST_F(CompletionChunksToTextConverter, ConvertFunctionWithParameters)
+{
+    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, functionArgumentX,rightParen});
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("int Function(char x)"));
+}
+
+TEST_F(CompletionChunksToTextConverter, ConvertFunctionWithOptionalParameter)
+{
+    QVector<CodeCompletionChunk> completionChunks({integerResultType, functionName, leftParen, functionArgumentX, optional,rightParen});
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("int Function(char x<i>, int y, int z</i>)"));
+}
+
+TEST_F(CompletionChunksToTextConverter, ConvertVariable)
+{
+    QVector<CodeCompletionChunk> completionChunks({integerResultType, variableName});
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("int Variable"));
+}
+
+TEST_F(CompletionChunksToTextConverter, Enumerator)
+{
+    QVector<CodeCompletionChunk> completionChunks({enumerationResultType, enumeratorName});
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("Enumeration Enumerator"));
+}
+
+TEST_F(CompletionChunksToTextConverter, Enumeration)
+{
+    QVector<CodeCompletionChunk> completionChunks({className});
+
+    converter.parseChunks(completionChunks);
+
+    ASSERT_THAT(converter.text(), QStringLiteral("Class"));
+}
+
+}