qt5base-lts/tests/auto/widgets/graphicsview/qgraphicslayoutitem/tst_qgraphicslayoutitem.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <qgraphicslayoutitem.h>
#include <float.h>
#include <limits.h>
class tst_QGraphicsLayoutItem : public QObject {
Q_OBJECT
private slots:
void qgraphicslayoutitem();
void contentsRect();
void effectiveSizeHint_data();
void effectiveSizeHint();
void getContentsMargins();
void isLayout_data();
void isLayout();
void maximumSize();
void minimumSize();
void parentLayoutItem_data();
void parentLayoutItem();
void preferredSize();
void setMaximumSize_data();
void setMaximumSize();
void setMinimumSize_data();
void setMinimumSize();
void setPreferredSize_data();
void setPreferredSize();
void setSizePolicy_data();
void setPreferredSize2();
void setSizePolicy();
};
// Subclass that exposes the protected functions.
class SubQGraphicsLayoutItem : public QGraphicsLayoutItem {
public:
SubQGraphicsLayoutItem(QGraphicsLayoutItem *par = 0, bool layout = false)
: QGraphicsLayoutItem(par, layout), updateGeometryCalled(0)
{}
// QGraphicsLayoutItem::geometry is a pure virtual function
QRectF geometry() const
{ return QRectF(); }
// QGraphicsLayoutItem::setGeometry is a pure virtual function
void setGeometry(QRectF const&) override {}
// QGraphicsLayoutItem::sizeHint is a pure virtual function
QSizeF sizeHint(Qt::SizeHint, QSizeF const& = QSizeF()) const override
{ return QSizeF(); }
void updateGeometry() override
{ updateGeometryCalled++; QGraphicsLayoutItem::updateGeometry(); }
int updateGeometryCalled;
};
void tst_QGraphicsLayoutItem::qgraphicslayoutitem()
{
SubQGraphicsLayoutItem layoutItem;
layoutItem.contentsRect();
layoutItem.effectiveSizeHint(Qt::MinimumSize);
layoutItem.geometry();
QCOMPARE(layoutItem.isLayout(), false);
layoutItem.maximumSize();
layoutItem.minimumSize();
QCOMPARE(layoutItem.parentLayoutItem(), nullptr);
layoutItem.preferredSize();
layoutItem.sizePolicy();
layoutItem.sizeHint(Qt::MinimumSize);
}
// QRectF contentsRect() const public
void tst_QGraphicsLayoutItem::contentsRect()
{
SubQGraphicsLayoutItem layoutItem;
QRectF f = layoutItem.contentsRect();
QCOMPARE(f, QRectF(QPoint(), QSizeF(0, 0)));
}
Q_DECLARE_METATYPE(Qt::SizeHint)
void tst_QGraphicsLayoutItem::effectiveSizeHint_data()
{
QTest::addColumn<Qt::SizeHint>("sizeHint");
QTest::addColumn<QSizeF>("constraint");
for (int i = 0; i < 15; ++i) {
QTestData &data = QTest::newRow(QByteArray::number(i).constData());
switch(i % 5) {
case 0: data << Qt::MinimumSize; break;
case 1: data << Qt::PreferredSize; break;
case 2: data << Qt::MaximumSize; break;
case 3: data << Qt::MinimumDescent; break;
case 4: data << Qt::NSizeHints; break;
}
switch(i % 3) {
case 0: data << QSizeF(-1, -1); break;
case 1: data << QSizeF(0, 0); break;
case 2: data << QSizeF(10, 10); break;
}
}
}
// QSizeF effectiveSizeHint(Qt::SizeHint which, QSizeF const& constraint = QSize()) const public
void tst_QGraphicsLayoutItem::effectiveSizeHint()
{
QFETCH(Qt::SizeHint, sizeHint);
QFETCH(QSizeF, constraint);
SubQGraphicsLayoutItem layoutItem;
QSizeF r = layoutItem.effectiveSizeHint(sizeHint, constraint);
if (constraint.width() != -1)
QCOMPARE(r.width(), constraint.width());
if (constraint.height() != -1)
QCOMPARE(r.height(), constraint.height());
}
// void getContentsMargins(qreal* left, qreal* top, qreal* right, qreal* bottom) const public
void tst_QGraphicsLayoutItem::getContentsMargins()
{
SubQGraphicsLayoutItem layoutItem;
qreal left;
qreal top;
qreal right;
qreal bottom;
layoutItem.getContentsMargins(&left, &top, &right, &bottom);
QCOMPARE(left, (qreal)0);
QCOMPARE(top, (qreal)0);
QCOMPARE(right, (qreal)0);
QCOMPARE(bottom, (qreal)0);
}
void tst_QGraphicsLayoutItem::isLayout_data()
{
QTest::addColumn<bool>("isLayout");
QTest::newRow("no") << false;
QTest::newRow("yes") << true;
}
// bool isLayout() const public
void tst_QGraphicsLayoutItem::isLayout()
{
QFETCH(bool, isLayout);
SubQGraphicsLayoutItem layoutItem(0, isLayout);
QCOMPARE(layoutItem.isLayout(), isLayout);
}
// QSizeF maximumSize() const public
void tst_QGraphicsLayoutItem::maximumSize()
{
SubQGraphicsLayoutItem layoutItem;
QCOMPARE(layoutItem.maximumSize(), QSizeF(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
// layoutItem.effectiveSizeHint(Qt::MaximumSize);
}
// QSizeF minimumSize() const public
void tst_QGraphicsLayoutItem::minimumSize()
{
SubQGraphicsLayoutItem layoutItem;
QCOMPARE(layoutItem.minimumSize(), QSizeF(0, 0));
// layoutItem.effectiveSizeHint(Qt::MinimumSize);
}
void tst_QGraphicsLayoutItem::parentLayoutItem_data()
{
QTest::addColumn<bool>("parent");
QTest::newRow("no") << false;
QTest::newRow("yes") << true;
}
// QGraphicsLayoutItem* parentLayoutItem() const public
void tst_QGraphicsLayoutItem::parentLayoutItem()
{
QFETCH(bool, parent);
SubQGraphicsLayoutItem parentLayout;
SubQGraphicsLayoutItem layoutItem(parent ? &parentLayout : 0);
QCOMPARE(layoutItem.parentLayoutItem(), static_cast<QGraphicsLayoutItem*>( parent ? &parentLayout : 0));
}
// QSizeF preferredSize() const public
void tst_QGraphicsLayoutItem::preferredSize()
{
SubQGraphicsLayoutItem layoutItem;
QCOMPARE(layoutItem.preferredSize(), QSizeF(0, 0));
// layoutItem.effectiveSizeHint(Qt::PreferredSize));
}
void tst_QGraphicsLayoutItem::setMaximumSize_data()
{
QTest::addColumn<QSizeF>("size");
QTest::addColumn<QSizeF>("outputSize");
QTest::newRow("-1") << QSizeF(-1, -1) << QSizeF(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
QTest::newRow("0") << QSizeF(0, 0) << QSizeF(0, 0);
QTest::newRow("10") << QSizeF(10, 10) << QSizeF(10, 10);
}
// void setMaximumSize(QSizeF const& size) public
void tst_QGraphicsLayoutItem::setMaximumSize()
{
QFETCH(QSizeF, size);
QFETCH(QSizeF, outputSize);
SubQGraphicsLayoutItem layoutItem;
QSizeF oldSize = layoutItem.maximumSize();
layoutItem.setMaximumSize(size);
if (size.isValid())
QCOMPARE(layoutItem.updateGeometryCalled, (oldSize == size) ? 0 : 1);
else
QVERIFY(!layoutItem.updateGeometryCalled);
layoutItem.setMinimumSize(1, 1);
QVERIFY(layoutItem.maximumSize().width() <= outputSize.width());
QVERIFY(layoutItem.maximumSize().height() <= outputSize.height());
QVERIFY(layoutItem.minimumSize().width() <= outputSize.width());
QVERIFY(layoutItem.minimumSize().height() <= outputSize.height());
QVERIFY(layoutItem.preferredSize().width() <= outputSize.width());
QVERIFY(layoutItem.preferredSize().height() <= outputSize.height());
}
void tst_QGraphicsLayoutItem::setMinimumSize_data()
{
QTest::addColumn<QSizeF>("size");
QTest::newRow("-1") << QSizeF(-1, -1);
QTest::newRow("0") << QSizeF(0, 0);
QTest::newRow("10") << QSizeF(10, 10);
}
// void setMinimumSize(QSizeF const& size) public
void tst_QGraphicsLayoutItem::setMinimumSize()
{
QFETCH(QSizeF, size);
SubQGraphicsLayoutItem layoutItem;
QSizeF oldSize = layoutItem.minimumSize();
layoutItem.setMinimumSize(size);
if (size.isValid()) {
QEXPECT_FAIL("0", "updateGeometry() is called when it doesn't have to be.", Continue);
QCOMPARE(layoutItem.updateGeometryCalled, (oldSize == size) ? 0 : 1);
} else {
QVERIFY(!layoutItem.updateGeometryCalled);
}
layoutItem.setMaximumSize(5, 5);
QEXPECT_FAIL("10", "layoutItem.maximumSize().width() < size.width()", Abort);
QVERIFY(layoutItem.maximumSize().width() >= size.width());
QVERIFY(layoutItem.maximumSize().height() >= size.height());
QVERIFY(layoutItem.minimumSize().width() >= size.width());
QVERIFY(layoutItem.minimumSize().height() >= size.height());
QVERIFY(layoutItem.preferredSize().width() >= size.width());
QVERIFY(layoutItem.preferredSize().height() >= size.height());
}
void tst_QGraphicsLayoutItem::setPreferredSize_data()
{
QTest::addColumn<QSizeF>("size");
QTest::newRow("-1") << QSizeF(-1, -1);
QTest::newRow("0") << QSizeF(0, 0);
QTest::newRow("10") << QSizeF(10, 10);
}
// void setPreferredSize(QSizeF const& size) public
void tst_QGraphicsLayoutItem::setPreferredSize()
{
QFETCH(QSizeF, size);
SubQGraphicsLayoutItem layoutItem;
QSizeF oldSize = layoutItem.preferredSize();
layoutItem.setPreferredSize(size);
if (size.isValid())
QCOMPARE(layoutItem.preferredSize(), size);
if (size.isValid()) {
QEXPECT_FAIL("0", "updateGeometry() is called when it doesn't have to be.", Continue);
QCOMPARE(layoutItem.updateGeometryCalled, (oldSize == size) ? 0 : 1);
} else {
QVERIFY(!layoutItem.updateGeometryCalled);
}
}
void tst_QGraphicsLayoutItem::setPreferredSize2()
{
SubQGraphicsLayoutItem layoutItem;
layoutItem.setPreferredSize(QSizeF(30, -1));
QCOMPARE(layoutItem.preferredWidth(), qreal(30));
}
void tst_QGraphicsLayoutItem::setSizePolicy_data()
{
QTest::addColumn<QSizePolicy>("policy");
QTest::newRow("default") << QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed, QSizePolicy::DefaultType);
QTest::newRow("rand") << QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
}
// void setSizePolicy(QSizePolicy const& policy) public
void tst_QGraphicsLayoutItem::setSizePolicy()
{
QFETCH(QSizePolicy, policy);
SubQGraphicsLayoutItem layoutItem;
QSizePolicy defaultPolicy(QSizePolicy::Preferred, QSizePolicy::Preferred, QSizePolicy::DefaultType);
QCOMPARE(layoutItem.sizePolicy(), defaultPolicy);
layoutItem.setSizePolicy(policy);
QCOMPARE(layoutItem.sizePolicy(), policy);
QCOMPARE(layoutItem.updateGeometryCalled, (defaultPolicy == policy) ? 0 : 1);
}
QTEST_MAIN(tst_QGraphicsLayoutItem)
#include "tst_qgraphicslayoutitem.moc"