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/****************************************************************************
**
** Copyright (C) 2020 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QStringTokenizer>
#include <QStringBuilder>
#include <QTest>
#include <string>
Q_DECLARE_METATYPE(Qt::SplitBehavior)
class tst_QStringTokenizer : public QObject
{
Q_OBJECT
private Q_SLOTS:
void constExpr() const;
void basics_data() const;
void basics() const;
void toContainer() const;
};
static QStringList skipped(const QStringList &sl)
{
QStringList result;
result.reserve(sl.size());
for (const QString &s : sl) {
if (!s.isEmpty())
result.push_back(s);
}
return result;
}
QString toQString(QStringView str)
{
return str.toString();
}
template <typename Container>
QStringList toQStringList(const Container &c)
{
QStringList r;
for (auto &&e : c)
r.push_back(toQString(e));
return r;
}
void tst_QStringTokenizer::constExpr() const
{
// compile-time checks
{
constexpr auto tok = qTokenize(u"a,b,c", u",");
Q_UNUSED(tok);
}
{
constexpr auto tok = qTokenize(u"a,b,c", u',');
Q_UNUSED(tok);
}
}
void tst_QStringTokenizer::basics_data() const
{
QTest::addColumn<Qt::SplitBehavior>("sb");
QTest::addColumn<Qt::CaseSensitivity>("cs");
#define ROW(sb, cs) \
do { QTest::addRow("%s/%s", #sb, #cs) << Qt::SplitBehavior{Qt::sb} << Qt::cs; } while (0)
ROW(KeepEmptyParts, CaseSensitive);
ROW(KeepEmptyParts, CaseInsensitive);
ROW(SkipEmptyParts, CaseSensitive);
ROW(SkipEmptyParts, CaseInsensitive);
#undef ROW
}
void tst_QStringTokenizer::basics() const
{
QFETCH(const Qt::SplitBehavior, sb);
QFETCH(const Qt::CaseSensitivity, cs);
auto expected = QStringList{"", "a", "b", "c", "d", "e", ""};
if (sb & Qt::SkipEmptyParts)
expected = skipped(expected);
QCOMPARE(toQStringList(qTokenize(u",a,b,c,d,e,", u',', sb, cs)), expected);
QCOMPARE(toQStringList(qTokenize(u",a,b,c,d,e,", u',', cs, sb)), expected);
{
auto tok = qTokenize(expected.join(u'x'), u"X" % QString(), Qt::CaseInsensitive);
// the temporary QStrings returned from join() and the QStringBuilder expression
// are now destroyed, but 'tok' should keep both alive
QCOMPARE(toQStringList(tok), expected);
}
using namespace std::string_literals;
{
auto tok = qTokenize(expected.join(u'x'), u"X"s, Qt::CaseInsensitive);
QCOMPARE(toQStringList(tok), expected);
}
{
auto tok = qTokenize(expected.join(u'x'), QLatin1Char('x'), cs, sb);
QCOMPARE(toQStringList(tok), expected);
}
}
void tst_QStringTokenizer::toContainer() const
{
// QStringView value_type:
{
auto tok = qTokenize(u"a,b,c", u',');
auto v = tok.toContainer();
QVERIFY((std::is_same_v<decltype(v), QList<QStringView>>));
}
// QLatin1String value_type
{
auto tok = qTokenize(QLatin1String{"a,b,c"}, u',');
auto v = tok.toContainer();
QVERIFY((std::is_same_v<decltype(v), QList<QLatin1String>>));
}
}
QTEST_APPLESS_MAIN(tst_QStringTokenizer)
#include "tst_qstringtokenizer.moc"
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