installer-framework/tests/auto/installer/binaryformat/tst_binaryformat.cpp

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#include <binaryformat.h>
#include <errors.h>
#include <fileutils.h>

#include <QTest>
#include <QTemporaryFile>

static const qint64 scTinySize = 51200LL;
static const qint64 scSmallSize = 524288LL;
static const qint64 scLargeSize = 2097152LL;

class tst_BinaryFormat : public QObject
{
    Q_OBJECT

private slots:
    void findMagicCookieSmallFile()
    {
        QTemporaryFile file;
        file.open();

        try {
            QInstaller::blockingWrite(&file, QByteArray(scSmallSize, '1'));
            QInstaller::appendInt64(&file, QInstaller::MagicCookie);

            QCOMPARE(QInstaller::findMagicCookie(&file, QInstaller::MagicCookie), scSmallSize);
        } catch (const QInstaller::Error &error) {
            QFAIL(qPrintable(error.message()));
        } catch (...) {
            QFAIL("Unexpected error.");
        }
    }

    void findMagicCookieLargeFile()
    {
        QTemporaryFile file;
        file.open();

        try {
            QInstaller::blockingWrite(&file, QByteArray(scLargeSize, '1'));
            QInstaller::appendInt64(&file, QInstaller::MagicCookie);
            QInstaller::blockingWrite(&file, QByteArray(scTinySize, '2'));

            QCOMPARE(QInstaller::findMagicCookie(&file, QInstaller::MagicCookie), scLargeSize);
        } catch (const QInstaller::Error &error) {
            QFAIL(qPrintable(error.message()));
        } catch (...) {
            QFAIL("Unexpected error.");
        }
    }

    void testFindMagicCookieWithError()
    {
        QTest::ignoreMessage(QtDebugMsg, "create Error-Exception: \"No marker found, stopped after 50.00 KiB.\" ");

        QTemporaryFile file;
        file.open();

        try {
            QInstaller::blockingWrite(&file, QByteArray(scTinySize, '1'));

            // throws
            QInstaller::findMagicCookie(&file, QInstaller::MagicCookie);
        } catch (const QInstaller::Error &error) {
            QCOMPARE(qPrintable(error.message()), "No marker found, stopped after 50.00 KiB.");
        } catch (...) {
            QFAIL("Unexpected error.");
        }
    }
};

QTEST_MAIN(tst_BinaryFormat)

#include "tst_binaryformat.moc"