C++ (Cpp) QBuffer::ungetch Exemples

Exemple #1

Fichier : tst_qiodevice.cpp Projet : KDE/android-qt

void tst_QIODevice::getch()
{
#ifdef QT3_SUPPORT
    QBuffer buffer;
    buffer.open(QBuffer::ReadWrite);
    buffer.write("\xff\x7f\x80\x00", 4);
    buffer.reset();
    QCOMPARE(buffer.getch(), 0xff);
    QCOMPARE(buffer.getch(), 0x7f);
    QCOMPARE(buffer.getch(), 0x80);
    QCOMPARE(buffer.getch(), 0x00);

    buffer.ungetch(0x00);
    buffer.ungetch(0x80);
    buffer.ungetch(0x7f);
    buffer.ungetch(0xff);

    QCOMPARE(buffer.getch(), 0xff);
    QCOMPARE(buffer.getch(), 0x7f);
    QCOMPARE(buffer.getch(), 0x80);
    QCOMPARE(buffer.getch(), 0x00);
#endif
}