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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QMargins>
#ifdef QVARIANT_H
# error "This test requires qmargins.h to not include qvariant.h"
#endif
// don't assume <type_traits>
template <typename T, typename U>
constexpr inline bool my_is_same_v = false;
template <typename T>
constexpr inline bool my_is_same_v<T, T> = true;
#define CHECK(cvref) \
static_assert(my_is_same_v<decltype(get<0>(std::declval<QMargins cvref >())), int cvref >); \
static_assert(my_is_same_v<decltype(get<1>(std::declval<QMargins cvref >())), int cvref >); \
static_assert(my_is_same_v<decltype(get<2>(std::declval<QMargins cvref >())), int cvref >); \
static_assert(my_is_same_v<decltype(get<3>(std::declval<QMargins cvref >())), int cvref >); \
\
static_assert(my_is_same_v<decltype(get<0>(std::declval<QMarginsF cvref >())), qreal cvref >); \
static_assert(my_is_same_v<decltype(get<1>(std::declval<QMarginsF cvref >())), qreal cvref >); \
static_assert(my_is_same_v<decltype(get<2>(std::declval<QMarginsF cvref >())), qreal cvref >); \
static_assert(my_is_same_v<decltype(get<3>(std::declval<QMarginsF cvref >())), qreal cvref >)
CHECK(&);
CHECK(const &);
CHECK(&&);
CHECK(const &&);
#undef CHECK
#include <QTest>
#include <qmargins.h>
#include <private/qcomparisontesthelper_p.h>
#include <array>
Q_DECLARE_METATYPE(QMargins)
constexpr static qreal qreal_min = std::numeric_limits<qreal>::min();
class tst_QMargins : public QObject
{
Q_OBJECT
private slots:
void comparisonCompiles();
void comparison_data();
void comparison();
void fuzzyComparison_data();
void fuzzyComparison();
void isNull_data();
void isNull();
void getSetCheck();
#ifndef QT_NO_DATASTREAM
void dataStreamCheck();
#endif
void operators();
#ifndef QT_NO_DEBUG_STREAM
void debugStreamCheck();
#endif
void getSetCheckF();
#ifndef QT_NO_DATASTREAM
void dataStreamCheckF();
#endif
void operatorsF();
#ifndef QT_NO_DEBUG_STREAM
void debugStreamCheckF();
#endif
void structuredBinding();
void toMarginsF_data();
void toMarginsF();
};
void tst_QMargins::comparisonCompiles()
{
QTestPrivate::testEqualityOperatorsCompile<QMargins>();
QTestPrivate::testEqualityOperatorsCompile<QMarginsF>();
QTestPrivate::testEqualityOperatorsCompile<QMarginsF, QMargins>();
}
void tst_QMargins::comparison_data()
{
QTest::addColumn<QMarginsF>("lhs");
QTest::addColumn<QMarginsF>("rhs");
QTest::addColumn<bool>("result");
QTest::addColumn<bool>("floatResult");
QTest::addColumn<bool>("mixedResult");
auto row = [](const QMarginsF &lhs, const QMarginsF &rhs, bool res, bool fRes, bool mRes) {
QString str;
QDebug dbg(&str);
dbg.nospace() << "(" << lhs.left() << ", " << lhs.top() << ", " << lhs.right() << ", "
<< lhs.bottom() << ") vs (" << rhs.left() << ", " << rhs.top() << ", "
<< rhs.right() << ", " << rhs.bottom() << ")";
QTest::addRow("%s", str.toLatin1().constData()) << lhs << rhs << res << fRes << mRes;
};
row(QMarginsF(0.0, 0.0, 0.0, 0.0), QMarginsF(0.0, 0.0, 0.0, 0.0), true, true, true);
row(QMarginsF(qreal_min, -qreal_min, -qreal_min, qreal_min), QMarginsF(0.0, 0.0, 0.0, 0.0), true, true, true);
row(QMarginsF(1.0, 2.0, 3.0, 4.0), QMarginsF(1.1, 2.1, 2.9, 3.9), true, false, true);
row(QMarginsF(1.5, 2.5, 3.0, 4.0), QMarginsF(1.1, 2.1, 2.9, 3.9), false, false, false);
}
void tst_QMargins::comparison()
{
QFETCH(const QMarginsF, lhs);
QFETCH(const QMarginsF, rhs);
QFETCH(const bool, result);
QFETCH(const bool, floatResult);
QFETCH(const bool, mixedResult);
QT_TEST_EQUALITY_OPS(lhs, rhs, floatResult);
const QMargins lhsInt = lhs.toMargins();
const QMargins rhsInt = rhs.toMargins();
QT_TEST_EQUALITY_OPS(lhsInt, rhsInt, result);
QT_TEST_EQUALITY_OPS(lhs, rhsInt, mixedResult);
}
void tst_QMargins::fuzzyComparison_data()
{
comparison_data();
}
void tst_QMargins::fuzzyComparison()
{
QFETCH(const QMarginsF, lhs);
QFETCH(const QMarginsF, rhs);
QFETCH(const bool, floatResult);
QCOMPARE_EQ(qFuzzyCompare(lhs, rhs), floatResult);
}
void tst_QMargins::isNull_data()
{
QTest::addColumn<QMarginsF>("margins");
QTest::addColumn<bool>("result");
QTest::newRow("null") << QMarginsF(0.0, 0.0, 0.0, 0.0) << true;
QTest::newRow("non_null_left") << QMarginsF(1.0, 0.0, 0.0, 0.0) << false;
QTest::newRow("non_null_top") << QMarginsF(0.0, 0.5, 0.0, 0.0) << false;
QTest::newRow("non_null_right") << QMarginsF(0.0, 0.0, -2.0, 0.0) << false;
QTest::newRow("non_null_bottom") << QMarginsF(0.0, 0.0, 0.0, -0.6) << false;
QTest::newRow("almost_null") << QMarginsF(qreal_min, -qreal_min, qreal_min, -qreal_min) << true;
}
void tst_QMargins::isNull()
{
QFETCH(const QMarginsF, margins);
QFETCH(const bool, result);
QCOMPARE_EQ(margins.isNull(), result);
QCOMPARE_EQ(qFuzzyIsNull(margins), result);
const QMargins marginsInt = margins.toMargins();
QCOMPARE_EQ(marginsInt.isNull(), result);
}
// Testing get/set functions
void tst_QMargins::getSetCheck()
{
QMargins margins;
// int QMargins::width()
// void QMargins::setWidth(int)
margins.setLeft(0);
QCOMPARE(0, margins.left());
margins.setTop(INT_MIN);
QCOMPARE(INT_MIN, margins.top());
margins.setBottom(INT_MAX);
QCOMPARE(INT_MAX, margins.bottom());
margins.setRight(INT_MAX);
QCOMPARE(INT_MAX, margins.right());
margins = QMargins();
QVERIFY(margins.isNull());
margins.setLeft(5);
margins.setRight(5);
QVERIFY(!margins.isNull());
QCOMPARE(margins, QMargins(5, 0, 5, 0));
}
void tst_QMargins::operators()
{
const QMargins m1(12, 14, 16, 18);
const QMargins m2(2, 3, 4, 5);
const QMargins added = m1 + m2;
QCOMPARE(added, QMargins(14, 17, 20, 23));
QMargins a = m1;
a += m2;
QCOMPARE(a, added);
const QMargins subtracted = m1 - m2;
QCOMPARE(subtracted, QMargins(10, 11, 12, 13));
a = m1;
a -= m2;
QCOMPARE(a, subtracted);
QMargins h = m1;
h += 2;
QCOMPARE(h, QMargins(14, 16, 18, 20));
h -= 2;
QCOMPARE(h, m1);
const QMargins doubled = m1 * 2;
QCOMPARE(doubled, QMargins(24, 28, 32, 36));
QCOMPARE(2 * m1, doubled);
QCOMPARE(qreal(2) * m1, doubled);
QCOMPARE(m1 * qreal(2), doubled);
a = m1;
a *= 2;
QCOMPARE(a, doubled);
a = m1;
a *= qreal(2);
QCOMPARE(a, doubled);
const QMargins halved = m1 / 2;
QCOMPARE(halved, QMargins(6, 7, 8, 9));
a = m1;
a /= 2;
QCOMPARE(a, halved);
a = m1;
a /= qreal(2);
QCOMPARE(a, halved);
QCOMPARE(m1 + (-m1), QMargins());
QMargins m3 = QMargins(10, 11, 12, 13);
QCOMPARE(m3 + 1, QMargins(11, 12, 13, 14));
QCOMPARE(1 + m3, QMargins(11, 12, 13, 14));
QCOMPARE(m3 - 1, QMargins(9, 10, 11, 12));
QCOMPARE(+m3, QMargins(10, 11, 12, 13));
QCOMPARE(-m3, QMargins(-10, -11, -12, -13));
}
#ifndef QT_NO_DEBUG_STREAM
// Testing QDebug operators
void tst_QMargins::debugStreamCheck()
{
QMargins m(10, 11, 12, 13);
const QString expected = "QMargins(10, 11, 12, 13)";
QString result;
QDebug(&result).nospace() << m;
QCOMPARE(result, expected);
}
#endif
#ifndef QT_NO_DATASTREAM
// Testing QDataStream operators
void tst_QMargins::dataStreamCheck()
{
QByteArray buffer;
// stream out
{
QMargins marginsOut(0,INT_MIN,INT_MAX,6852);
QDataStream streamOut(&buffer, QIODevice::WriteOnly);
streamOut << marginsOut;
}
// stream in & compare
{
QMargins marginsIn;
QDataStream streamIn(&buffer, QIODevice::ReadOnly);
streamIn >> marginsIn;
QCOMPARE(marginsIn.left(), 0);
QCOMPARE(marginsIn.top(), INT_MIN);
QCOMPARE(marginsIn.right(), INT_MAX);
QCOMPARE(marginsIn.bottom(), 6852);
}
}
#endif
// Testing get/set functions
void tst_QMargins::getSetCheckF()
{
QMarginsF margins;
// int QMarginsF::width()
// void QMarginsF::setWidth(int)
margins.setLeft(1.1);
QCOMPARE(1.1, margins.left());
margins.setTop(2.2);
QCOMPARE(2.2, margins.top());
margins.setBottom(3.3);
QCOMPARE(3.3, margins.bottom());
margins.setRight(4.4);
QCOMPARE(4.4, margins.right());
margins = QMarginsF();
QVERIFY(margins.isNull());
margins.setLeft(5.5);
margins.setRight(5.5);
QVERIFY(!margins.isNull());
QCOMPARE(margins, QMarginsF(5.5, 0.0, 5.5, 0.0));
}
void tst_QMargins::operatorsF()
{
const QMarginsF m1(12.1, 14.1, 16.1, 18.1);
const QMarginsF m2(2.1, 3.1, 4.1, 5.1);
const QMarginsF added = m1 + m2;
QCOMPARE(added, QMarginsF(14.2, 17.2, 20.2, 23.2));
QMarginsF a = m1;
a += m2;
QCOMPARE(a, added);
const QMarginsF subtracted = m1 - m2;
QCOMPARE(subtracted, QMarginsF(10.0, 11.0, 12.0, 13.0));
a = m1;
a -= m2;
QCOMPARE(a, subtracted);
QMarginsF h = m1;
h += 2.1;
QCOMPARE(h, QMarginsF(14.2, 16.2, 18.2, 20.2));
h -= 2.1;
QCOMPARE(h, m1);
const QMarginsF doubled = m1 * 2.0;
QCOMPARE(doubled, QMarginsF(24.2, 28.2, 32.2, 36.2));
QCOMPARE(2.0 * m1, doubled);
QCOMPARE(m1 * 2.0, doubled);
a = m1;
a *= 2.0;
QCOMPARE(a, doubled);
const QMarginsF halved = m1 / 2.0;
QCOMPARE(halved, QMarginsF(6.05, 7.05, 8.05, 9.05));
a = m1;
a /= 2.0;
QCOMPARE(a, halved);
QCOMPARE(m1 + (-m1), QMarginsF());
QMarginsF m3 = QMarginsF(10.3, 11.4, 12.5, 13.6);
QCOMPARE(m3 + 1.1, QMarginsF(11.4, 12.5, 13.6, 14.7));
QCOMPARE(1.1 + m3, QMarginsF(11.4, 12.5, 13.6, 14.7));
QCOMPARE(m3 - 1.1, QMarginsF(9.2, 10.3, 11.4, 12.5));
QCOMPARE(+m3, QMarginsF(10.3, 11.4, 12.5, 13.6));
QCOMPARE(-m3, QMarginsF(-10.3, -11.4, -12.5, -13.6));
}
#ifndef QT_NO_DATASTREAM
// Testing QDataStream operators
void tst_QMargins::dataStreamCheckF()
{
QByteArray buffer;
// stream out
{
QMarginsF marginsOut(1.1, 2.2, 3.3, 4.4);
QDataStream streamOut(&buffer, QIODevice::WriteOnly);
streamOut << marginsOut;
}
// stream in & compare
{
QMarginsF marginsIn;
QDataStream streamIn(&buffer, QIODevice::ReadOnly);
streamIn >> marginsIn;
QCOMPARE(marginsIn.left(), 1.1);
QCOMPARE(marginsIn.top(), 2.2);
QCOMPARE(marginsIn.right(), 3.3);
QCOMPARE(marginsIn.bottom(), 4.4);
}
}
#endif
#ifndef QT_NO_DEBUG_STREAM
// Testing QDebug operators
void tst_QMargins::debugStreamCheckF()
{
QMarginsF m(10.1, 11.2, 12.3, 13.4);
const QString expected = "QMarginsF(10.1, 11.2, 12.3, 13.4)";
QString result;
QDebug(&result).nospace() << m;
QCOMPARE(result, expected);
}
#endif
void tst_QMargins::structuredBinding()
{
{
QMargins m(1, 2, 3, 4);
auto [left, top, right, bottom] = m;
QCOMPARE(left, 1);
QCOMPARE(top, 2);
QCOMPARE(right, 3);
QCOMPARE(bottom, 4);
}
{
QMargins m(1, 2, 3, 4);
auto &[left, top, right, bottom] = m;
QCOMPARE(left, 1);
QCOMPARE(top, 2);
QCOMPARE(right, 3);
QCOMPARE(bottom, 4);
left = 10;
top = 20;
right = 30;
bottom = 40;
QCOMPARE(m.left(), 10);
QCOMPARE(m.top(), 20);
QCOMPARE(m.right(), 30);
QCOMPARE(m.bottom(), 40);
}
{
QMarginsF m(1.0, 2.0, 3.0, 4.0);
auto [left, top, right, bottom] = m;
QCOMPARE(left, 1.0);
QCOMPARE(top, 2.0);
QCOMPARE(right, 3.0);
QCOMPARE(bottom, 4.0);
}
{
QMarginsF m(1.0, 2.0, 3.0, 4.0);
auto &[left, top, right, bottom] = m;
QCOMPARE(left, 1.0);
QCOMPARE(top, 2.0);
QCOMPARE(right, 3.0);
QCOMPARE(bottom, 4.0);
left = 10.0;
top = 20.0;
right = 30.0;
bottom = 40.0;
QCOMPARE(m.left(), 10.0);
QCOMPARE(m.top(), 20.0);
QCOMPARE(m.right(), 30.0);
QCOMPARE(m.bottom(), 40.0);
}
}
void tst_QMargins::toMarginsF_data()
{
QTest::addColumn<QMargins>("input");
QTest::addColumn<QMarginsF>("result");
auto row = [](int x1, int y1, int x2, int y2) {
QTest::addRow("(%d, %d, %d, %d)", x1, y1, x2, y2)
<< QMargins(x1, y1, x2, y2) << QMarginsF(x1, y1, x2, y2);
};
constexpr std::array samples = {-1, 0, 1};
for (int x1 : samples) {
for (int y1 : samples) {
for (int x2 : samples) {
for (int y2 : samples) {
row(x1, y1, x2, y2);
}
}
}
}
}
void tst_QMargins::toMarginsF()
{
QFETCH(const QMargins, input);
QFETCH(const QMarginsF, result);
QCOMPARE(input.toMarginsF(), result);
}
namespace ConstexprTests {
constexpr QMargins m = (QMargins(1, 2, 3, 4) + QMargins(5, 6, 7, 8)) * 2;
static_assert(m.left() == 12);
static_assert(m.top() == 16);
static_assert(m.right() == 20);
static_assert(m.bottom() == 24);
constexpr QMarginsF mf = (QMarginsF(1.0, 2.0, 3.0, 4.0) + QMargins(5.0, 6.0, 7.0, 8.0)) * 2.5;
static_assert(mf.left() == 15.0);
static_assert(mf.top() == 20.0);
static_assert(mf.right() == 25.0);
static_assert(mf.bottom() == 30.0);
} // namespace ConstexprTests
QTEST_APPLESS_MAIN(tst_QMargins)
#include "tst_qmargins.moc"