qt5base-lts/tests/auto/qstringbuilder1/stringbuilder.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#define LITERAL "some literal"
#define LITERAL_LEN (sizeof(LITERAL)-1)
#define LITERAL_EXTRA "some literal" "EXTRA"
// "some literal", but replacing all vocals by their umlauted UTF-8 string :)
#define UTF8_LITERAL "s\xc3\xb6m\xc3\xab l\xc3\xaft\xc3\xabr\xc3\xa4l"
#define UTF8_LITERAL_LEN (sizeof(UTF8_LITERAL)-1)
#define UTF8_LITERAL_EXTRA "s\xc3\xb6m\xc3\xab l\xc3\xaft\xc3\xabr\xc3\xa4l" "EXTRA"
//fix for gcc4.0: if the operator+ does not exist without QT_USE_FAST_OPERATOR_PLUS
#ifndef QT_USE_FAST_CONCATENATION
#define Q %
#else
#define Q P
#endif
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);
#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);
}
//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
}
}