qt-creator/src/plugins/cpptools/cppheadersource_test.cpp

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**
** Copyright (C) 2014 Orgad Shaneh <orgads@gmail.com>.
** Contact: http://www.qt-project.org/legal
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** This file is part of Qt Creator.
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#include "cpptoolsplugin.h"
#include "cpptoolsreuse.h"

#include <utils/fileutils.h>

#include <QDir>
#include <QtTest>

static inline QString _(const QByteArray &ba) { return QString::fromLatin1(ba, ba.size()); }

static void createTempFile(const QString &fileName)
{
    QFile file(fileName);
    QDir(QFileInfo(fileName).absolutePath()).mkpath(_("."));
    file.open(QFile::WriteOnly);
    file.close();
}

static QString baseTestDir()
{
    return QDir::tempPath() + _("/qtc_cppheadersource/");
}

namespace CppTools {
namespace Internal {

void CppToolsPlugin::test_headersource()
{
    QFETCH(QString, sourceFileName);
    QFETCH(QString, headerFileName);

    bool wasHeader;
    const QString baseDir = baseTestDir();
    QDir path = QDir(baseDir + _(QTest::currentDataTag()));

    const QString sourcePath = path.absoluteFilePath(sourceFileName);
    const QString headerPath = path.absoluteFilePath(headerFileName);
    createTempFile(sourcePath);
    createTempFile(headerPath);

    clearHeaderSourceCache();
    QCOMPARE(correspondingHeaderOrSource(sourcePath, &wasHeader), headerPath);
    QVERIFY(!wasHeader);
    clearHeaderSourceCache();
    QCOMPARE(correspondingHeaderOrSource(headerPath, &wasHeader), sourcePath);
    QVERIFY(wasHeader);
}

void CppToolsPlugin::test_headersource_data()
{
    QTest::addColumn<QString>("sourceFileName");
    QTest::addColumn<QString>("headerFileName");
    QTest::newRow("samedir") << _("foo.cpp") << _("foo.h");
    QTest::newRow("includesub") << _("foo.cpp") << _("include/foo.h");
}

void CppToolsPlugin::initTestCase()
{
    QDir(baseTestDir()).mkpath(_("."));
}

void CppToolsPlugin::cleanupTestCase()
{
    Utils::FileUtils::removeRecursively(Utils::FileName::fromString(baseTestDir()));
}

} // namespace Internal
} // namespace CppTools