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    41 

    42 

    43 #include <QtTest/QtTest>

    44 

    45 #include <qcoreapplication.h>

    46 #include <qdebug.h>

    47 #include <qabstracttextdocumentlayout.h>

    48 #include <qimage.h>

    49 #include <qtextobject.h>

    50 

    51 //TESTED_CLASS=

    52 //TESTED_FILES=

    53 

    54 class tst_QAbstractTextDocumentLayout : public QObject

    55 {

    56 Q_OBJECT

    57 

    58 public:

    59     tst_QAbstractTextDocumentLayout();

    60     virtual ~tst_QAbstractTextDocumentLayout();

    61 

    62 private slots:

    63     void getSetCheck();

    64     void maximumBlockCount();

    65 };

    66 

    67 tst_QAbstractTextDocumentLayout::tst_QAbstractTextDocumentLayout()

    68 {

    69 }

    70 

    71 tst_QAbstractTextDocumentLayout::~tst_QAbstractTextDocumentLayout()

    72 {

    73 }

    74 

    75 class MyAbstractTextDocumentLayout : public QAbstractTextDocumentLayout

    76 {

    77     Q_OBJECT

    78 public:

    79     MyAbstractTextDocumentLayout(QTextDocument *doc)

    80         : QAbstractTextDocumentLayout(doc)

    81         , gotFullLayout(false)

    82         , blockCount(0)

    83         , changeEvents(0)

    84     {

    85     }

    86 

    87     void draw(QPainter *, const PaintContext &) {}

    88     int hitTest(const QPointF &, Qt::HitTestAccuracy) const { return 0; }

    89     int pageCount() const { return 0; }

    90     QSizeF documentSize() const { return QSizeF(); }

    91     QRectF frameBoundingRect(QTextFrame *) const { return QRectF(); }

    92     QRectF blockBoundingRect(const QTextBlock &) const { return QRectF(); }

    93     void documentChanged(int from, int oldLength, int length) {

    94         ++changeEvents;

    95 

    96         QTextBlock last = document()->lastBlock();

    97         int lastPos = last.position() + last.length() - 1;

    98         if (from == 0 && length == lastPos)

    99             gotFullLayout = true;

   100     }

   101 

   102     bool gotFullLayout;

   103     int blockCount;

   104     int changeEvents;

   105 

   106 public slots:

   107     void blockCountChanged(int bc) { blockCount = bc; }

   108 };

   109 

   110 // Testing get/set functions

   111 void tst_QAbstractTextDocumentLayout::getSetCheck()

   112 {

   113     QTextDocument doc;

   114     MyAbstractTextDocumentLayout obj1(&doc);

   115     // QPaintDevice * QAbstractTextDocumentLayout::paintDevice()

   116     // void QAbstractTextDocumentLayout::setPaintDevice(QPaintDevice *)

   117     QImage *var1 = new QImage(QSize(10,10), QImage::Format_ARGB32_Premultiplied);

   118     obj1.setPaintDevice(var1);

   119     QCOMPARE(static_cast<QPaintDevice *>(var1), obj1.paintDevice());

   120     obj1.setPaintDevice((QPaintDevice *)0);

   121     QCOMPARE(static_cast<QPaintDevice *>(0), obj1.paintDevice());

   122     delete var1;

   123 }

   124 

   125 void tst_QAbstractTextDocumentLayout::maximumBlockCount()

   126 {

   127     QTextDocument doc;

   128     doc.setMaximumBlockCount(10);

   129 

   130     MyAbstractTextDocumentLayout layout(&doc);

   131     doc.setDocumentLayout(&layout);

   132     QObject::connect(&doc, SIGNAL(blockCountChanged(int)), &layout, SLOT(blockCountChanged(int)));

   133 

   134     QTextCursor cursor(&doc);

   135     for (int i = 0; i < 10; ++i) {

   136         cursor.insertBlock();

   137         cursor.insertText("bla");

   138     }

   139 

   140     QCOMPARE(layout.blockCount, 10);

   141 

   142     layout.gotFullLayout = false;

   143     layout.changeEvents = 0;

   144     cursor.insertBlock();

   145     QCOMPARE(layout.changeEvents, 2);

   146     cursor.insertText("foo");

   147     QCOMPARE(layout.changeEvents, 3);

   148     cursor.insertBlock();

   149     QCOMPARE(layout.changeEvents, 5);

   150     cursor.insertText("foo");

   151     QCOMPARE(layout.changeEvents, 6);

   152 

   153     QVERIFY(!layout.gotFullLayout);

   154 

   155     QCOMPARE(layout.blockCount, 10);

   156 }

   157 

   158 QTEST_MAIN(tst_QAbstractTextDocumentLayout)

   159 #include "tst_qabstracttextdocumentlayout.moc"