CppTools: CppPreprocessor: Track also unresolved includes

Change-Id: Ia36e7e7142dbc030a428369ed04e76e70e8eef0b
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/src/plugins/cpptools/cpppreprocessor_test.cpp b/src/plugins/cpptools/cpppreprocessor_test.cpp
new file mode 100644
index 0000000000..715fd984ce
--- /dev/null
+++ b/src/plugins/cpptools/cpppreprocessor_test.cpp
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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 "cpptoolsplugin.h"
+
+#include "cppmodelmanager.h"
+#include "cpppreprocessertesthelper.h"
+#include "cpppreprocessor.h"
+
+#include <cplusplus/CppDocument.h>
+#include <utils/fileutils.h>
+
+#include <QtTest>
+
+using namespace CPlusPlus;
+using namespace CppTools;
+using namespace CppTools::Internal;
+
+typedef Document::Include Include;
+
+class SourcePreprocessor
+{
+public:
+    SourcePreprocessor()
+        : m_cmm(CppModelManager::instance())
+    {
+        cleanUp();
+    }
+
+    Document::Ptr run(const QByteArray &source)
+    {
+        const QString fileName = TestIncludePaths::directoryOfTestFile()
+            + QLatin1String("/file.cpp");
+        Utils::FileSaver srcSaver(fileName);
+        srcSaver.write(source);
+        srcSaver.finalize();
+
+        CppPreprocessor pp((QPointer<CppModelManager>(m_cmm)));
+        pp.setIncludePaths(QStringList(TestIncludePaths::directoryOfTestFile()));
+        pp.run(fileName);
+
+        return m_cmm->snapshot().document(fileName);
+    }
+
+    ~SourcePreprocessor()
+    {
+        cleanUp();
+    }
+
+private:
+    void cleanUp()
+    {
+        m_cmm->GC();
+        QVERIFY(m_cmm->snapshot().isEmpty());
+    }
+
+private:
+    CppModelManager *m_cmm;
+};
+
+void CppToolsPlugin::test_cpppreprocessor_includes()
+{
+    QByteArray source =
+        "#include \"header.h\"\n"
+        "#include \"notresolvable.h\"\n"
+        "\n"
+        ;
+
+    SourcePreprocessor processor;
+    Document::Ptr document = processor.run(source);
+    QVERIFY(document);
+
+    const QList<Document::Include> resolvedIncludes = document->resolvedIncludes();
+    QVERIFY(resolvedIncludes.size() == 1);
+    QVERIFY(resolvedIncludes.at(0).type() == Client::IncludeLocal);
+    QCOMPARE(resolvedIncludes.at(0).unresolvedFileName(), QLatin1String("header.h"));
+    const QString expectedResolvedFileName
+        = TestIncludePaths::directoryOfTestFile() + QLatin1String("/header.h");
+    QCOMPARE(resolvedIncludes.at(0).resolvedFileName(), expectedResolvedFileName);
+
+    const QList<Document::Include> unresolvedIncludes = document->unresolvedIncludes();
+    QVERIFY(unresolvedIncludes.size() == 1);
+    QVERIFY(unresolvedIncludes.at(0).type() == Client::IncludeLocal);
+    QCOMPARE(unresolvedIncludes.at(0).unresolvedFileName(), QLatin1String("notresolvable.h"));
+    QVERIFY(unresolvedIncludes.at(0).resolvedFileName().isEmpty());
+}
+