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#include <QtTest/QtTest>

#include <qtextdocument.h>

#include <qtextdocumentfragment.h>

#include <qtextlist.h>

#include <qabstracttextdocumentlayout.h>

#include <qtextcursor.h>

#include "../qtextdocument/common.h"

//TESTED_CLASS=

//TESTED_FILES=

class tst_QTextList : public QObject

{

    Q_OBJECT

public:

    tst_QTextList();

public slots:

    void init();

    void cleanup();

private slots:

    void item();

    void autoNumbering();

    void autoNumberingRTL();

    void romanNumbering();

    void romanNumberingLimit();

    void formatChange();

    void cursorNavigation();

    void partialRemoval();

    void formatReferenceChange();

    void ensureItemOrder();

    void add();

    void defaultIndent();

    void blockUpdate();

    void numbering_data();

    void numbering();

private:

    QTextDocument *doc;

    QTextCursor cursor;

    QTestDocumentLayout *layout;

};

tst_QTextList::tst_QTextList()

{}

void tst_QTextList::init()

{

    doc = new QTextDocument();

    layout = new QTestDocumentLayout(doc);

    doc->setDocumentLayout(layout);

    cursor = QTextCursor(doc);

}

void tst_QTextList::cleanup()

{

    cursor = QTextCursor();

    delete doc;

    doc = 0;

}

void tst_QTextList::item()

{

    // this is basically a test for the key() + 1 in QTextList::item.

    QTextList *list = cursor.createList(QTextListFormat());

    QVERIFY(list->item(0).blockFormat().objectIndex() != -1);

}

void tst_QTextList::autoNumbering()

{

    QTextListFormat fmt;

    fmt.setStyle(QTextListFormat::ListLowerAlpha);

    QTextList *list = cursor.createList(fmt);

    QVERIFY(list);

    for (int i = 0; i < 27; ++i)

	cursor.insertBlock();

    QVERIFY(list->count() == 28);

    QVERIFY(cursor.currentList());

    QVERIFY(cursor.currentList()->itemNumber(cursor.block()) == 27);

    QVERIFY(cursor.currentList()->itemText(cursor.block()) == "ab.");

}

void tst_QTextList::autoNumberingRTL()

{

    QTextBlockFormat bfmt;

    bfmt.setLayoutDirection(Qt::RightToLeft);

    cursor.setBlockFormat(bfmt);

    QTextListFormat fmt;

    fmt.setStyle(QTextListFormat::ListUpperAlpha);

    QTextList *list = cursor.createList(fmt);

    QVERIFY(list);

    cursor.insertBlock();

    QVERIFY(list->count() == 2);

    QVERIFY(cursor.currentList()->itemText(cursor.block()) == ".B");

}

void tst_QTextList::romanNumbering()

{

    QTextListFormat fmt;

    fmt.setStyle(QTextListFormat::ListUpperRoman);

    QTextList *list = cursor.createList(fmt);

    QVERIFY(list);

    for (int i = 0; i < 4998; ++i)

      cursor.insertBlock();

    QVERIFY(list->count() == 4999);

    QVERIFY(cursor.currentList());

    QVERIFY(cursor.currentList()->itemNumber(cursor.block()) == 4998);

    QVERIFY(cursor.currentList()->itemText(cursor.block()) == "MMMMCMXCIX.");

}

void tst_QTextList::romanNumberingLimit()

{

    QTextListFormat fmt;

    fmt.setStyle(QTextListFormat::ListLowerRoman);

    QTextList *list = cursor.createList(fmt);

    QVERIFY(list);

    for (int i = 0; i < 4999; ++i)

      cursor.insertBlock();

    QVERIFY(list->count() == 5000);

    QVERIFY(cursor.currentList());

    QVERIFY(cursor.currentList()->itemNumber(cursor.block()) == 4999);

    QVERIFY(cursor.currentList()->itemText(cursor.block()) == "?.");

}

void tst_QTextList::formatChange()

{

    // testing the formatChanged slot in QTextListManager

    /* <initial block>

     * 1.

     * 2.

     */

    QTextList *list = cursor.insertList(QTextListFormat::ListDecimal);

    QTextList *firstList = list;

    cursor.insertBlock();

    QVERIFY(list && list->count() == 2);

    QTextBlockFormat bfmt = cursor.blockFormat();

//     QVERIFY(bfmt.object() == list);

    bfmt.setObjectIndex(-1);

    cursor.setBlockFormat(bfmt);

    QVERIFY(firstList->count() == 1);

}

void tst_QTextList::cursorNavigation()

{

    // testing some cursor list methods

    /* <initial block>

     * 1.

     * 2.

     */

    cursor.insertList(QTextListFormat::ListDecimal);

    cursor.insertBlock();

    cursor.movePosition(QTextCursor::Start);

    cursor.movePosition(QTextCursor::NextBlock);

    cursor.movePosition(QTextCursor::NextBlock);

    QVERIFY(cursor.currentList());

    cursor.movePosition(QTextCursor::PreviousBlock);

    QVERIFY(cursor.currentList());

    QVERIFY(cursor.currentList()->itemNumber(cursor.block()) == 0);

}

void tst_QTextList::partialRemoval()

{

    /* this is essentially a test for PieceTable::removeBlock to not miss any

       blocks with the blockChanged signal emission that actually get removed.

       It creates two lists, like this:

       1. Hello World

       a. Foobar

       and then removes from within the 'Hello World' into the 'Foobar' .

       There used to be no emission for the removal of the second (a.) block,

       causing list inconsistencies.

       */

    QTextList *firstList = cursor.insertList(QTextListFormat::ListDecimal);

    QTextCursor selStart = cursor;

    selStart.movePosition(QTextCursor::PreviousCharacter);

    cursor.insertText("Hello World");

    // position it well into the 'hello world' text.

    selStart.movePosition(QTextCursor::NextCharacter);

    selStart.movePosition(QTextCursor::NextCharacter);

    selStart.clearSelection();

    QPointer<QTextList> secondList = cursor.insertList(QTextListFormat::ListCircle);

    cursor.insertText("Foobar");

    // position it into the 'foo bar' text.

    cursor.movePosition(QTextCursor::PreviousCharacter);

    QTextCursor selEnd = cursor;

    // this creates a selection that includes parts of both text-fragments and also the list item of the second list.

    QTextCursor selection = selStart;

    selection.setPosition(selEnd.position(),  QTextCursor::KeepAnchor);

    selection.deleteChar(); // deletes the second list

    QVERIFY(!secondList);

    QVERIFY(!firstList->isEmpty());

    doc->undo();

}

void tst_QTextList::formatReferenceChange()

{

    QTextList *list = cursor.insertList(QTextListFormat::ListDecimal);

    cursor.insertText("Some Content...");

    cursor.insertBlock(QTextBlockFormat());

    cursor.setPosition(list->item(0).position());

    int listItemStartPos = cursor.position();

    cursor.movePosition(QTextCursor::NextBlock);

    int listItemLen = cursor.position() - listItemStartPos;

    layout->expect(listItemStartPos, listItemLen, listItemLen);

    QTextListFormat fmt = list->format();

    fmt.setStyle(QTextListFormat::ListCircle);

    list->setFormat(fmt);

    QVERIFY(layout->called);

    QVERIFY(!layout->error);

}

void tst_QTextList::ensureItemOrder()

{

    /*

     * Insert a new list item before the first one and verify the blocks

     * are sorted after that.

     */

    QTextList *list = cursor.insertList(QTextListFormat::ListDecimal);

    QTextBlockFormat fmt = cursor.blockFormat();

    cursor.movePosition(QTextCursor::Start);

    cursor.insertBlock(fmt);

    QCOMPARE(list->item(0).position(), 1);

    QCOMPARE(list->item(1).position(), 2);

}

void tst_QTextList::add()

{

    QTextList *list = cursor.insertList(QTextListFormat::ListDecimal);

    cursor.insertBlock(QTextBlockFormat());

    QCOMPARE(list->count(), 1);

    cursor.insertBlock(QTextBlockFormat());

    list->add(cursor.block());

    QCOMPARE(list->count(), 2);

}

// Task #72036

void tst_QTextList::defaultIndent()

{

    QTextListFormat fmt;

    QCOMPARE(fmt.indent(), 1);

}

void tst_QTextList::blockUpdate()

{

    // three items

    QTextList *list = cursor.insertList(QTextListFormat::ListDecimal);

    cursor.insertBlock();

    cursor.insertBlock();

    // remove second, needs also update on the third

    // since the numbering might have changed

    const int len = cursor.position() + cursor.block().length() - 1;

    layout->expect(1, len, len);

    list->remove(list->item(1));

    QVERIFY(!layout->error);

}

void tst_QTextList::numbering_data()

{

    QTest::addColumn<int>("format");

    QTest::addColumn<int>("number");

    QTest::addColumn<QString>("result");

    QTest::newRow("E.") << int(QTextListFormat::ListUpperAlpha) << 5 << "E.";

    QTest::newRow("abc.") << int(QTextListFormat::ListLowerAlpha) << (26 + 2) * 26 + 3 << "abc.";

    QTest::newRow("12.") << int(QTextListFormat::ListDecimal) << 12 << "12.";

    QTest::newRow("XXIV.") << int(QTextListFormat::ListUpperRoman) << 24 << "XXIV.";

    QTest::newRow("VIII.") << int(QTextListFormat::ListUpperRoman) << 8 << "VIII.";

    QTest::newRow("xxx.") << int(QTextListFormat::ListLowerRoman) << 30 << "xxx.";

    QTest::newRow("xxix.") << int(QTextListFormat::ListLowerRoman) << 29 << "xxix.";

//    QTest::newRow("xxx. alpha") << int(QTextListFormat::ListLowerAlpha) << (24 * 26 + 24) * 26 + 24  << "xxx."; //Too slow

}

void tst_QTextList::numbering()

{

    QFETCH(int, format);

    QFETCH(int, number);

    QFETCH(QString, result);

    QTextListFormat fmt;

    fmt.setStyle(QTextListFormat::Style(format));

    QTextList *list = cursor.createList(fmt);

    QVERIFY(list);

    for (int i = 1; i < number; ++i)

        cursor.insertBlock();

    QCOMPARE(list->count(), number);

    QVERIFY(cursor.currentList());

    QCOMPARE(cursor.currentList()->itemNumber(cursor.block()), number - 1);

    QCOMPARE(cursor.currentList()->itemText(cursor.block()), result);

}

QTEST_MAIN(tst_QTextList)

#include "tst_qtextlist.moc"