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/****************************************************************************
**
** Copyright (C) 2015 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 test suite 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 <QtTest/QtTest>
#include <QString>
// Preserve QLatin1String-ness (QVariant(QLatin1String) creates a QVariant::String):
struct QLatin1StringContainer {
QLatin1String l1;
};
QT_BEGIN_NAMESPACE
Q_DECLARE_TYPEINFO(QLatin1StringContainer, Q_MOVABLE_TYPE);
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QLatin1StringContainer)
class tst_QLatin1String : public QObject
{
Q_OBJECT
private Q_SLOTS:
void at();
void midLeftRight();
void nullString();
void emptyString();
void iterators();
void relationalOperators_data();
void relationalOperators();
};
void tst_QLatin1String::at()
{
const QLatin1String l1("Hello World");
QCOMPARE(l1.at(0), QLatin1Char('H'));
QCOMPARE(l1.at(l1.size() - 1), QLatin1Char('d'));
QCOMPARE(l1[0], QLatin1Char('H'));
QCOMPARE(l1[l1.size() - 1], QLatin1Char('d'));
}
void tst_QLatin1String::midLeftRight()
{
const QLatin1String l1("Hello World");
QCOMPARE(l1.mid(0), l1);
QCOMPARE(l1.mid(0, l1.size()), l1);
QCOMPARE(l1.left(l1.size()), l1);
QCOMPARE(l1.right(l1.size()), l1);
QCOMPARE(l1.mid(6), QLatin1String("World"));
QCOMPARE(l1.mid(6, 5), QLatin1String("World"));
QCOMPARE(l1.right(5), QLatin1String("World"));
QCOMPARE(l1.mid(6, 1), QLatin1String("W"));
QCOMPARE(l1.right(5).left(1), QLatin1String("W"));
QCOMPARE(l1.left(5), QLatin1String("Hello"));
}
void tst_QLatin1String::nullString()
{
// default ctor
{
QLatin1String l1;
QCOMPARE(static_cast<const void*>(l1.data()), static_cast<const void*>(nullptr));
QCOMPARE(l1.size(), 0);
QString s = l1;
QVERIFY(s.isNull());
}
// from nullptr
{
const char *null = nullptr;
QLatin1String l1(null);
QCOMPARE(static_cast<const void*>(l1.data()), static_cast<const void*>(nullptr));
QCOMPARE(l1.size(), 0);
QString s = l1;
QVERIFY(s.isNull());
}
// from null QByteArray
{
const QByteArray null;
QVERIFY(null.isNull());
QLatin1String l1(null);
QEXPECT_FAIL("", "null QByteArrays become non-null QLatin1Strings...", Continue);
QCOMPARE(static_cast<const void*>(l1.data()), static_cast<const void*>(nullptr));
QCOMPARE(l1.size(), 0);
QString s = l1;
QEXPECT_FAIL("", "null QByteArrays become non-null QLatin1Strings become non-null QStrings...", Continue);
QVERIFY(s.isNull());
}
}
void tst_QLatin1String::emptyString()
{
{
const char *empty = "";
QLatin1String l1(empty);
QCOMPARE(static_cast<const void*>(l1.data()), static_cast<const void*>(empty));
QCOMPARE(l1.size(), 0);
QString s = l1;
QVERIFY(s.isEmpty());
QVERIFY(!s.isNull());
}
{
const char *notEmpty = "foo";
QLatin1String l1(notEmpty, 0);
QCOMPARE(static_cast<const void*>(l1.data()), static_cast<const void*>(notEmpty));
QCOMPARE(l1.size(), 0);
QString s = l1;
QVERIFY(s.isEmpty());
QVERIFY(!s.isNull());
}
{
const QByteArray empty = "";
QLatin1String l1(empty);
QCOMPARE(static_cast<const void*>(l1.data()), static_cast<const void*>(empty.constData()));
QCOMPARE(l1.size(), 0);
QString s = l1;
QVERIFY(s.isEmpty());
QVERIFY(!s.isNull());
}
}
void tst_QLatin1String::iterators()
{
QLatin1String hello("hello");
QLatin1String olleh("olleh");
QVERIFY(std::equal(hello.begin(), hello.end(),
olleh.rbegin()));
QVERIFY(std::equal(hello.rbegin(), hello.rend(),
QT_MAKE_CHECKED_ARRAY_ITERATOR(olleh.begin(), olleh.size())));
QVERIFY(std::equal(hello.cbegin(), hello.cend(),
olleh.rbegin()));
QVERIFY(std::equal(hello.crbegin(), hello.crend(),
QT_MAKE_CHECKED_ARRAY_ITERATOR(olleh.begin(), olleh.size())));
}
void tst_QLatin1String::relationalOperators_data()
{
QTest::addColumn<QLatin1StringContainer>("lhs");
QTest::addColumn<int>("lhsOrderNumber");
QTest::addColumn<QLatin1StringContainer>("rhs");
QTest::addColumn<int>("rhsOrderNumber");
struct Data {
QLatin1String l1;
int order;
} data[] = {
{ QLatin1String(), 0 },
{ QLatin1String(""), 0 },
{ QLatin1String("a"), 1 },
{ QLatin1String("aa"), 2 },
{ QLatin1String("b"), 3 },
};
for (Data *lhs = data; lhs != data + sizeof data / sizeof *data; ++lhs) {
for (Data *rhs = data; rhs != data + sizeof data / sizeof *data; ++rhs) {
QLatin1StringContainer l = { lhs->l1 }, r = { rhs->l1 };
QTest::addRow("\"%s\" <> \"%s\"",
lhs->l1.data() ? lhs->l1.data() : "nullptr",
rhs->l1.data() ? rhs->l1.data() : "nullptr")
<< l << lhs->order << r << rhs->order;
}
}
}
void tst_QLatin1String::relationalOperators()
{
QFETCH(QLatin1StringContainer, lhs);
QFETCH(int, lhsOrderNumber);
QFETCH(QLatin1StringContainer, rhs);
QFETCH(int, rhsOrderNumber);
#define CHECK(op) \
QCOMPARE(lhs.l1 op rhs.l1, lhsOrderNumber op rhsOrderNumber) \
/*end*/
CHECK(==);
CHECK(!=);
CHECK(< );
CHECK(> );
CHECK(<=);
CHECK(>=);
#undef CHECK
}
QTEST_APPLESS_MAIN(tst_QLatin1String)
#include "tst_qlatin1string.moc"
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