tests/auto/qabstracttextdocumentlayout/tst_qabstracttextdocumentlayout.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qabstracttextdocumentlayout/tst_qabstracttextdocumentlayout.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include <qcoreapplication.h>
+#include <qdebug.h>
+#include <qabstracttextdocumentlayout.h>
+#include <qimage.h>
+#include <qtextobject.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QAbstractTextDocumentLayout : public QObject
+{
+Q_OBJECT
+
+public:
+    tst_QAbstractTextDocumentLayout();
+    virtual ~tst_QAbstractTextDocumentLayout();
+
+private slots:
+    void getSetCheck();
+    void maximumBlockCount();
+};
+
+tst_QAbstractTextDocumentLayout::tst_QAbstractTextDocumentLayout()
+{
+}
+
+tst_QAbstractTextDocumentLayout::~tst_QAbstractTextDocumentLayout()
+{
+}
+
+class MyAbstractTextDocumentLayout : public QAbstractTextDocumentLayout
+{
+    Q_OBJECT
+public:
+    MyAbstractTextDocumentLayout(QTextDocument *doc)
+        : QAbstractTextDocumentLayout(doc)
+        , gotFullLayout(false)
+        , blockCount(0)
+        , changeEvents(0)
+    {
+    }
+
+    void draw(QPainter *, const PaintContext &) {}
+    int hitTest(const QPointF &, Qt::HitTestAccuracy) const { return 0; }
+    int pageCount() const { return 0; }
+    QSizeF documentSize() const { return QSizeF(); }
+    QRectF frameBoundingRect(QTextFrame *) const { return QRectF(); }
+    QRectF blockBoundingRect(const QTextBlock &) const { return QRectF(); }
+    void documentChanged(int from, int oldLength, int length) {
+        ++changeEvents;
+
+        QTextBlock last = document()->lastBlock();
+        int lastPos = last.position() + last.length() - 1;
+        if (from == 0 && length == lastPos)
+            gotFullLayout = true;
+    }
+
+    bool gotFullLayout;
+    int blockCount;
+    int changeEvents;
+
+public slots:
+    void blockCountChanged(int bc) { blockCount = bc; }
+};
+
+// Testing get/set functions
+void tst_QAbstractTextDocumentLayout::getSetCheck()
+{
+    QTextDocument doc;
+    MyAbstractTextDocumentLayout obj1(&doc);
+    // QPaintDevice * QAbstractTextDocumentLayout::paintDevice()
+    // void QAbstractTextDocumentLayout::setPaintDevice(QPaintDevice *)
+    QImage *var1 = new QImage(QSize(10,10), QImage::Format_ARGB32_Premultiplied);
+    obj1.setPaintDevice(var1);
+    QCOMPARE(static_cast<QPaintDevice *>(var1), obj1.paintDevice());
+    obj1.setPaintDevice((QPaintDevice *)0);
+    QCOMPARE(static_cast<QPaintDevice *>(0), obj1.paintDevice());
+    delete var1;
+}
+
+void tst_QAbstractTextDocumentLayout::maximumBlockCount()
+{
+    QTextDocument doc;
+    doc.setMaximumBlockCount(10);
+
+    MyAbstractTextDocumentLayout layout(&doc);
+    doc.setDocumentLayout(&layout);
+    QObject::connect(&doc, SIGNAL(blockCountChanged(int)), &layout, SLOT(blockCountChanged(int)));
+
+    QTextCursor cursor(&doc);
+    for (int i = 0; i < 10; ++i) {
+        cursor.insertBlock();
+        cursor.insertText("bla");
+    }
+
+    QCOMPARE(layout.blockCount, 10);
+
+    layout.gotFullLayout = false;
+    layout.changeEvents = 0;
+    cursor.insertBlock();
+    QCOMPARE(layout.changeEvents, 2);
+    cursor.insertText("foo");
+    QCOMPARE(layout.changeEvents, 3);
+    cursor.insertBlock();
+    QCOMPARE(layout.changeEvents, 5);
+    cursor.insertText("foo");
+    QCOMPARE(layout.changeEvents, 6);
+
+    QVERIFY(!layout.gotFullLayout);
+
+    QCOMPARE(layout.blockCount, 10);
+}
+
+QTEST_MAIN(tst_QAbstractTextDocumentLayout)
+#include "tst_qabstracttextdocumentlayout.moc"