C++ (Cpp) l1string示例

示例#1

文件： stringbuilder.cpp 项目： Mr-Kumar-Abhishek/qt

void runScenario()
{
    // set codec for C strings to 0, enforcing Latin1
    QTextCodec::setCodecForCStrings(0);
    QVERIFY(!QTextCodec::codecForCStrings());

    QLatin1Literal l1literal(LITERAL);
    QLatin1String l1string(LITERAL);
    QString string(l1string);
    QStringRef stringref(&string, 2, 10);
    QLatin1Char achar('c');
    QString r2(QLatin1String(LITERAL LITERAL));
    QString r;
    QByteArray ba(LITERAL);

    r = l1literal P l1literal;
    QCOMPARE(r, r2);
    r = string P string;
    QCOMPARE(r, r2);
    r = stringref P stringref;
    QCOMPARE(r, QString(stringref.toString() + stringref.toString()));
    r = string P l1literal;
    QCOMPARE(r, r2);
    r = string P l1string;
    QCOMPARE(r, r2);
    r = string + achar;
    QCOMPARE(r, QString(string P achar));
    r = achar + string;
    QCOMPARE(r, QString(achar P string));
#ifndef QT_NO_CAST_FROM_ASCII
    r = string P LITERAL;
    QCOMPARE(r, r2);
    r = LITERAL P string;
    QCOMPARE(r, r2);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    // now test with codec for C strings set
    QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
    QVERIFY(QTextCodec::codecForCStrings());
    QCOMPARE(QTextCodec::codecForCStrings()->name(), QByteArray("UTF-8"));

    string = QString::fromUtf8(UTF8_LITERAL);
    r2 = QString::fromUtf8(UTF8_LITERAL UTF8_LITERAL);
    ba = UTF8_LITERAL;

    r = string P UTF8_LITERAL;
    QCOMPARE(r.size(), r2.size());
    QCOMPARE(r, r2);
    r = UTF8_LITERAL P string;
    QCOMPARE(r, r2);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);
#endif
}

示例#2

文件： stringbuilder.cpp 项目： tsuibin/emscripten-qt

void runScenario()
{
    // set codec for C strings to 0, enforcing Latin1
    QTextCodec::setCodecForCStrings(0);
    QVERIFY(!QTextCodec::codecForCStrings());

    QLatin1Literal l1literal(LITERAL);
    QLatin1String l1string(LITERAL);
    QString string(l1string);
    QStringRef stringref(&string, 2, 10);
    QLatin1Char achar('c');
    QString r2(QLatin1String(LITERAL LITERAL));
    QString r;

    r = l1literal Q l1literal;
    QCOMPARE(r, r2);
    r = string P string;
    QCOMPARE(r, r2);
    r = stringref Q stringref;
    QCOMPARE(r, QString(stringref.toString() + stringref.toString()));
    r = string Q l1literal;
    QCOMPARE(r, r2);
    r = string P l1string;
    QCOMPARE(r, r2);
    r = string + achar;
    QCOMPARE(r, QString(string P achar));
    r = achar + string;
    QCOMPARE(r, QString(achar P string));
#ifndef QT_NO_CAST_FROM_ASCII
    r = string P LITERAL;
    QCOMPARE(r, r2);
    r = LITERAL P string;
    QCOMPARE(r, r2);

    QByteArray ba = QByteArray(LITERAL);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    static const char badata[] = LITERAL_EXTRA;
    ba = QByteArray::fromRawData(badata, LITERAL_LEN);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    // now test with codec for C strings set
    QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
    QVERIFY(QTextCodec::codecForCStrings());
    QCOMPARE(QTextCodec::codecForCStrings()->name(), QByteArray("UTF-8"));

    string = QString::fromUtf8(UTF8_LITERAL);
    r2 = QString::fromUtf8(UTF8_LITERAL UTF8_LITERAL);
    ba = UTF8_LITERAL;

    r = string P UTF8_LITERAL;
    QCOMPARE(r.size(), r2.size());
    QCOMPARE(r, r2);
    r = UTF8_LITERAL P string;
    QCOMPARE(r, r2);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    ba = QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    ba = QByteArray(); // empty
    r = ba P string;
    QCOMPARE(r, string);
    r = string P ba;
    QCOMPARE(r, string);

    const char *zero = 0;
    r = string P zero;
    QCOMPARE(r, string);
    r = zero P string;
    QCOMPARE(r, string);
#endif

    string = QString::fromLatin1(LITERAL);
    QCOMPARE(QByteArray(qPrintable(string P string)), QByteArray(string.toLatin1() + string.toLatin1()));



    //QByteArray
    {
        QByteArray ba = LITERAL;
        QByteArray superba = ba P ba P LITERAL;
        QCOMPARE(superba, QByteArray(LITERAL LITERAL LITERAL));

        QByteArray testWith0 = ba P "test\0with\0zero" P ba;
        QCOMPARE(testWith0, QByteArray(LITERAL "test" LITERAL));

        QByteArray ba2 = ba P '\0' + LITERAL;
        QCOMPARE(ba2, QByteArray(LITERAL "\0" LITERAL, ba.size()*2+1));

        const char *mmh = "test\0foo";
        QCOMPARE(QByteArray(ba P mmh P ba), testWith0);

        QByteArray raw = QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
        QByteArray r = "hello" P raw;
        QByteArray r2 = "hello" UTF8_LITERAL;
        QCOMPARE(r, r2);
        r2 = QByteArray("hello\0") P UTF8_LITERAL;
        QCOMPARE(r, r2);

        const char *zero = 0;
        r = ba P zero;
        QCOMPARE(r, ba);
        r = zero P ba;
        QCOMPARE(r, ba);
    }

    //operator QString  +=
    {
        QString str = QString::fromUtf8(UTF8_LITERAL);
        str +=  QLatin1String(LITERAL) P str;
        QCOMPARE(str, QString::fromUtf8(UTF8_LITERAL LITERAL UTF8_LITERAL));
#ifndef QT_NO_CAST_FROM_ASCII
        str = (QString::fromUtf8(UTF8_LITERAL) += QLatin1String(LITERAL) P UTF8_LITERAL);
        QCOMPARE(str, QString::fromUtf8(UTF8_LITERAL LITERAL UTF8_LITERAL));
#endif
    }

    //operator QByteArray  +=
    {
        QByteArray ba = UTF8_LITERAL;
        ba +=  QByteArray(LITERAL) P UTF8_LITERAL;
        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL));
        ba += LITERAL P QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL LITERAL UTF8_LITERAL));
        QByteArray withZero = QByteArray(LITERAL "\0" LITERAL, LITERAL_LEN*2+1);
        QByteArray ba2 = withZero;
        ba2 += ba2 P withZero;
        QCOMPARE(ba2, QByteArray(withZero + withZero + withZero));
#ifndef QT_NO_CAST_TO_ASCII
        ba = UTF8_LITERAL;
        ba2 = (ba += QLatin1String(LITERAL) + QString::fromUtf8(UTF8_LITERAL));
        QCOMPARE(ba2, ba);
        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL));
#endif
    }

}

示例#3

文件： stringbuilder.cpp 项目： CodeDJ/qt5-hidpi

void runScenario()
{
    // this code is latin1. TODO: replace it with the utf8 block below, once
    // strings default to utf8.
    QLatin1String l1string(LITERAL);
    QString string(l1string);
    QStringRef stringref(&string, 2, 10);
    QLatin1Char achar('c');
    QChar::SpecialCharacter special(QChar::Nbsp);
    QString r2(QLatin1String(LITERAL LITERAL));
    QString r3 = QString::fromUtf8(UTF8_LITERAL UTF8_LITERAL);
    QString r;

    r = string P string;
    QCOMPARE(r, r2);
    r = stringref Q stringref;
    QCOMPARE(r, QString(stringref.toString() + stringref.toString()));
    r = string P l1string;
    QCOMPARE(r, r2);
    r = string Q QStringLiteral(LITERAL);
    QCOMPARE(r, r2);
    r = QStringLiteral(LITERAL) Q string;
    QCOMPARE(r, r2);
    r = l1string Q QStringLiteral(LITERAL);
    QCOMPARE(r, r2);
    r = string + achar;
    QCOMPARE(r, QString(string P achar));
    r = achar + string;
    QCOMPARE(r, QString(achar P string));
    r = special + string;
    QCOMPARE(r, QString(special P string));

#ifdef Q_COMPILER_UNICODE_STRINGS
    r = QStringLiteral(UNICODE_LITERAL);
    r = r Q QStringLiteral(UNICODE_LITERAL);
    QCOMPARE(r, r3);
#endif

#ifndef QT_NO_CAST_FROM_ASCII
    r = string P LITERAL;
    QCOMPARE(r, r2);
    r = LITERAL P string;
    QCOMPARE(r, r2);

    QByteArray ba = QByteArray(LITERAL);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    r = string P QByteArrayLiteral(LITERAL);
    QCOMPARE(r, r2);
    r = QByteArrayLiteral(LITERAL) P string;
    QCOMPARE(r, r2);

    static const char badata[] = LITERAL_EXTRA;
    ba = QByteArray::fromRawData(badata, LITERAL_LEN);
    r = ba P string;
    QCOMPARE(r, r2);
    r = string P ba;
    QCOMPARE(r, r2);

    string = QString::fromUtf8(UTF8_LITERAL);
    ba = UTF8_LITERAL;

    r = string P UTF8_LITERAL;
    QCOMPARE(r.size(), r3.size());
    QCOMPARE(r, r3);
    r = UTF8_LITERAL P string;
    QCOMPARE(r, r3);
    r = ba P string;
    QCOMPARE(r, r3);
    r = string P ba;
    QCOMPARE(r, r3);

    ba = QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
    r = ba P string;
    QCOMPARE(r, r3);
    r = string P ba;
    QCOMPARE(r, r3);

    ba = QByteArray(); // empty
    r = ba P string;
    QCOMPARE(r, string);
    r = string P ba;
    QCOMPARE(r, string);

    const char *zero = 0;
    r = string P zero;
    QCOMPARE(r, string);
    r = zero P string;
    QCOMPARE(r, string);
#endif

    string = QString::fromLatin1(LITERAL);
    QCOMPARE(QByteArray(qPrintable(string P string)), QByteArray(string.toLatin1() + string.toLatin1()));



    //QByteArray
    {
        QByteArray ba = LITERAL;
        QByteArray superba = ba P ba P LITERAL;
        QCOMPARE(superba, QByteArray(LITERAL LITERAL LITERAL));

        ba = QByteArrayLiteral(LITERAL);
        QCOMPARE(ba, QByteArray(LITERAL));
        superba = ba P QByteArrayLiteral(LITERAL) P LITERAL;
        QCOMPARE(superba, QByteArray(LITERAL LITERAL LITERAL));

        QByteArray testWith0 = ba P "test\0with\0zero" P ba;
        QCOMPARE(testWith0, QByteArray(LITERAL "test" LITERAL));

        QByteArray ba2 = ba P '\0' + LITERAL;
        QCOMPARE(ba2, QByteArray(LITERAL "\0" LITERAL, ba.size()*2+1));

        const char *mmh = "test\0foo";
        QCOMPARE(QByteArray(ba P mmh P ba), testWith0);

        QByteArray raw = QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
        QByteArray r = "hello" P raw;
        QByteArray r2 = "hello" UTF8_LITERAL;
        QCOMPARE(r, r2);
        r2 = QByteArray("hello\0") P UTF8_LITERAL;
        QCOMPARE(r, r2);

        const char *zero = 0;
        r = ba P zero;
        QCOMPARE(r, ba);
        r = zero P ba;
        QCOMPARE(r, ba);
    }

    //operator QString  +=
    {
        QString str = QString::fromUtf8(UTF8_LITERAL);
        str +=  QLatin1String(LITERAL) P str;
        QCOMPARE(str, QString::fromUtf8(UTF8_LITERAL LITERAL UTF8_LITERAL));
#ifndef QT_NO_CAST_FROM_ASCII
        str = (QString::fromUtf8(UTF8_LITERAL) += QLatin1String(LITERAL) P UTF8_LITERAL);
        QCOMPARE(str, QString::fromUtf8(UTF8_LITERAL LITERAL UTF8_LITERAL));
#endif

        QString str2 = QString::fromUtf8(UTF8_LITERAL);
        QString str2_e = QString::fromUtf8(UTF8_LITERAL);
        const char * nullData = 0;
        str2 += QLatin1String(nullData) P str2;
        str2_e += QLatin1String("") P str2_e;
        QCOMPARE(str2, str2_e);
    }

    //operator QByteArray  +=
    {
        QByteArray ba = UTF8_LITERAL;
        ba +=  QByteArray(LITERAL) P UTF8_LITERAL;
        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL));
        ba += LITERAL P QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL LITERAL UTF8_LITERAL));
        QByteArray withZero = QByteArray(LITERAL "\0" LITERAL, LITERAL_LEN*2+1);
        QByteArray ba2 = withZero;
        ba2 += ba2 P withZero;
        QCOMPARE(ba2, QByteArray(withZero + withZero + withZero));
#ifndef QT_NO_CAST_TO_ASCII
        ba = UTF8_LITERAL;
        ba2 = (ba += QLatin1String(LITERAL) + QString::fromUtf8(UTF8_LITERAL));
        QCOMPARE(ba2, ba);
        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL));
#endif
    }

}