add QSizeGrip test

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

tests/auto/qsizegrip/CMakeLists.txt

@@ -0,0 +1,3 @@
+katie_gui_test(tst_qsizegrip
+    ${CMAKE_CURRENT_SOURCE_DIR}/tst_qsizegrip.cpp
+)

tests/auto/qsizegrip/tst_qsizegrip.cpp

@@ -0,0 +1,178 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Copyright (C) 2016 Ivailo Monev
+**
+** This file is part of the test suite of the Katie Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <QSizeGrip>
+#include <QEvent>
+#include <QLineEdit>
+#include <QVBoxLayout>
+#include <QLabel>
+
+static inline Qt::Corner sizeGripCorner(QWidget *parent, QSizeGrip *sizeGrip)
+{
+    if (!parent || !sizeGrip)
+        return Qt::TopLeftCorner;
+
+    const QPoint sizeGripPos = sizeGrip->mapTo(parent, QPoint(0, 0));
+    bool isAtBottom = sizeGripPos.y() >= parent->height() / 2;
+    bool isAtLeft = sizeGripPos.x() <= parent->width() / 2;
+    if (isAtLeft)
+        return isAtBottom ? Qt::BottomLeftCorner : Qt::TopLeftCorner;
+    else
+        return isAtBottom ? Qt::BottomRightCorner : Qt::TopRightCorner;
+
+}
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+Q_DECLARE_METATYPE(Qt::WindowType);
+
+class tst_QSizeGrip : public QObject
+{
+    Q_OBJECT
+public slots:
+    void initTestCase();
+    void cleanupTestCase();
+
+private slots:
+    void hideAndShowOnWindowStateChange_data();
+    void hideAndShowOnWindowStateChange();
+    void orientation();
+
+private:
+    QLineEdit *dummyWidget;
+};
+
+class TestWidget : public QWidget
+{
+public:
+    TestWidget(QWidget *parent = 0, Qt::WindowFlags flags = 0) : QWidget(parent, flags) {}
+    QSize sizeHint() const { return QSize(300, 200); }
+    void changeEvent(QEvent *event)
+    {
+        QWidget::changeEvent(event);
+        if (isWindow() && event->type() == QEvent::WindowStateChange) {
+#ifdef Q_WS_X11
+            qt_x11_wait_for_window_manager(this);
+#endif
+        }
+    }
+};
+
+void tst_QSizeGrip::initTestCase()
+{
+    dummyWidget = new QLineEdit;
+    dummyWidget->show();
+}
+
+void tst_QSizeGrip::cleanupTestCase()
+{
+    delete dummyWidget;
+    dummyWidget = 0;
+}
+
+void tst_QSizeGrip::hideAndShowOnWindowStateChange_data()
+{
+    QTest::addColumn<Qt::WindowType>("windowType");
+    QTest::newRow("Qt::Window") << Qt::Window;
+    QTest::newRow("Qt::SubWindow") << Qt::SubWindow;
+}
+
+void tst_QSizeGrip::hideAndShowOnWindowStateChange()
+{
+    QFETCH(Qt::WindowType, windowType);
+
+    QWidget *parentWidget = windowType == Qt::Window ?  0 : new QWidget;
+    TestWidget *widget = new TestWidget(parentWidget, Qt::WindowFlags(windowType));
+    QSizeGrip *sizeGrip = new QSizeGrip(widget);
+
+    // Normal.
+    if (parentWidget)
+        parentWidget->show();
+    else
+        widget->show();
+    QVERIFY(sizeGrip->isVisible());
+
+    widget->showFullScreen();
+    QVERIFY(!sizeGrip->isVisible());
+
+    widget->showNormal();
+    QVERIFY(sizeGrip->isVisible());
+
+    widget->showMaximized();
+    QVERIFY(!sizeGrip->isVisible());
+
+    widget->showNormal();
+    QVERIFY(sizeGrip->isVisible());
+
+    sizeGrip->hide();
+    QVERIFY(!sizeGrip->isVisible());
+
+    widget->showFullScreen();
+    widget->showNormal();
+    QVERIFY(!sizeGrip->isVisible());
+    widget->showMaximized();
+    widget->showNormal();
+    QVERIFY(!sizeGrip->isVisible());
+
+    delete widget;
+    delete parentWidget;
+}
+
+void tst_QSizeGrip::orientation()
+{
+    TestWidget widget;
+    widget.setLayout(new QVBoxLayout);
+    QSizeGrip *sizeGrip = new QSizeGrip(&widget);
+    sizeGrip->setFixedSize(sizeGrip->sizeHint());
+    widget.layout()->addWidget(sizeGrip);
+    widget.layout()->setAlignment(sizeGrip, Qt::AlignBottom | Qt::AlignRight);
+
+    widget.show();
+    QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::BottomRightCorner);
+
+    widget.setLayoutDirection(Qt::RightToLeft);
+    qApp->processEvents();
+    QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::BottomLeftCorner);
+
+    widget.unsetLayoutDirection();
+    qApp->processEvents();
+    QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::BottomRightCorner);
+
+    widget.layout()->setAlignment(sizeGrip, Qt::AlignTop | Qt::AlignRight);
+    qApp->processEvents();
+    QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::TopRightCorner);
+
+    widget.setLayoutDirection(Qt::RightToLeft);
+    qApp->processEvents();
+    QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::TopLeftCorner);
+
+    widget.unsetLayoutDirection();
+    qApp->processEvents();
+    QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::TopRightCorner);
+}
+
+QTEST_MAIN(tst_QSizeGrip)
+
+#include "moc_tst_qsizegrip.cpp"
+