qt5base-lts/tests/auto/gui/kernel/qpalette/tst_qpalette.cpp
Marc Mutz de8a9dee5a QPalette: add move constructor
As with many other implicitly shared classes, efficient move semantics
requires setting the d-pointer to nullptr, which then needs to be checked
for in the dtor and the copy assignment operator.

Change-Id: I654d181a1dfdd9a16e2f9fb96b57475cdd0b4561
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
2014-08-06 13:52:24 +02:00

124 lines
4.9 KiB
C++

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#include <QtTest/QtTest>
#include "qpalette.h"
class tst_QPalette : public QObject
{
Q_OBJECT
private Q_SLOTS:
void roleValues_data();
void roleValues();
void moveSemantics();
};
void tst_QPalette::roleValues_data()
{
QTest::addColumn<int>("role");
QTest::addColumn<int>("value");
QTest::newRow("QPalette::WindowText") << int(QPalette::WindowText) << 0;
QTest::newRow("QPalette::Button") << int(QPalette::Button) << 1;
QTest::newRow("QPalette::Light") << int(QPalette::Light) << 2;
QTest::newRow("QPalette::Midlight") << int(QPalette::Midlight) << 3;
QTest::newRow("QPalette::Dark") << int(QPalette::Dark) << 4;
QTest::newRow("QPalette::Mid") << int(QPalette::Mid) << 5;
QTest::newRow("QPalette::Text") << int(QPalette::Text) << 6;
QTest::newRow("QPalette::BrightText") << int(QPalette::BrightText) << 7;
QTest::newRow("QPalette::ButtonText") << int(QPalette::ButtonText) << 8;
QTest::newRow("QPalette::Base") << int(QPalette::Base) << 9;
QTest::newRow("QPalette::Window") << int(QPalette::Window) << 10;
QTest::newRow("QPalette::Shadow") << int(QPalette::Shadow) << 11;
QTest::newRow("QPalette::Highlight") << int(QPalette::Highlight) << 12;
QTest::newRow("QPalette::HighlightedText") << int(QPalette::HighlightedText) << 13;
QTest::newRow("QPalette::Link") << int(QPalette::Link) << 14;
QTest::newRow("QPalette::LinkVisited") << int(QPalette::LinkVisited) << 15;
QTest::newRow("QPalette::AlternateBase") << int(QPalette::AlternateBase) << 16;
QTest::newRow("QPalette::NoRole") << int(QPalette::NoRole) << 17;
QTest::newRow("QPalette::ToolTipBase") << int(QPalette::ToolTipBase) << 18;
QTest::newRow("QPalette::ToolTipText") << int(QPalette::ToolTipText) << 19;
// Change this value as you add more roles.
QTest::newRow("QPalette::NColorRoles") << int(QPalette::NColorRoles) << 20;
}
void tst_QPalette::roleValues()
{
QFETCH(int, role);
QFETCH(int, value);
QCOMPARE(role, value);
}
void tst_QPalette::moveSemantics()
{
#ifdef Q_COMPILER_RVALUE_REFS
QPalette src(Qt::red), dst;
const QPalette control = src;
QVERIFY(src != dst);
QCOMPARE(src, control);
QVERIFY(!dst.isCopyOf(src));
QVERIFY(!dst.isCopyOf(control));
dst = qMove(src); // move assignment
QVERIFY(!dst.isCopyOf(src)); // isCopyOf() works on moved-from palettes, too
QVERIFY(dst.isCopyOf(control));
QCOMPARE(dst, control);
src = control; // check moved-from 'src' can still be assigned to (doesn't crash)
QVERIFY(src.isCopyOf(dst));
QVERIFY(src.isCopyOf(control));
QPalette dst2(qMove(src)); // move construction
QVERIFY(!src.isCopyOf(dst));
QVERIFY(!src.isCopyOf(dst2));
QVERIFY(!src.isCopyOf(control));
QCOMPARE(dst2, control);
QVERIFY(dst2.isCopyOf(dst));
QVERIFY(dst2.isCopyOf(control));
// check moved-from 'src' can still be destroyed (doesn't crash)
#else
QSKIP("Compiler doesn't support C++11 move semantics");
#endif
}
QTEST_MAIN(tst_QPalette)
#include "tst_qpalette.moc"