src/tests/kitemlistselectionmanagertest.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2011 by Frank Reininghaus <frank78ac@googlemail.com>    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "kitemviews/kitemmodelbase.h"
  22 #include "kitemviews/kitemlistselectionmanager.h"
  23
  24 #include <QTest>
  25 #include <QSignalSpy>
  26
  27 class DummyModel : public KItemModelBase
  28 {
  29     Q_OBJECT
  30 public:
  31     DummyModel();
  32     void setCount(int count);
  33     int count() const Q_DECL_OVERRIDE;
  34     QHash<QByteArray, QVariant> data(int index) const Q_DECL_OVERRIDE;
  35
  36 private:
  37     int m_count;
  38 };
  39
  40 DummyModel::DummyModel() :
  41     KItemModelBase(),
  42     m_count(100)
  43 {
  44 }
  45
  46 void DummyModel::setCount(int count)
  47 {
  48     m_count = count;
  49 }
  50
  51 int DummyModel::count() const
  52 {
  53     return m_count;
  54 }
  55
  56 QHash<QByteArray, QVariant> DummyModel::data(int index) const
  57 {
  58     Q_UNUSED(index);
  59     return QHash<QByteArray, QVariant>();
  60 }
  61
  62
  63 class KItemListSelectionManagerTest : public QObject
  64 {
  65     Q_OBJECT
  66
  67 private slots:
  68     void init();
  69     void cleanup();
  70
  71     void testConstructor();
  72
  73     void testCurrentItemAnchorItem();
  74     void testSetSelected_data();
  75     void testSetSelected();
  76     void testItemsInserted();
  77     void testItemsRemoved();
  78     void testAnchoredSelection();
  79     void testChangeSelection_data();
  80     void testChangeSelection();
  81     void testDeleteCurrentItem_data();
  82     void testDeleteCurrentItem();
  83     void testAnchoredSelectionAfterMovingItems();
  84
  85 private:
  86     void verifySelectionChange(QSignalSpy& spy, const KItemSet& currentSelection, const KItemSet& previousSelection) const;
  87
  88     KItemListSelectionManager* m_selectionManager;
  89     DummyModel* m_model;
  90 };
  91
  92 void KItemListSelectionManagerTest::init()
  93 {
  94     m_model = new DummyModel();
  95     m_selectionManager = new KItemListSelectionManager();
  96     m_selectionManager->setModel(m_model);
  97 }
  98
  99 void KItemListSelectionManagerTest::cleanup()
 100 {
 101     delete m_selectionManager;
 102     m_selectionManager = 0;
 103
 104     delete m_model;
 105     m_model = 0;
 106 }
 107
 108 void KItemListSelectionManagerTest::testConstructor()
 109 {
 110     QVERIFY(!m_selectionManager->hasSelection());
 111     QCOMPARE(m_selectionManager->selectedItems().count(), 0);
 112     QCOMPARE(m_selectionManager->currentItem(), 0);
 113     QCOMPARE(m_selectionManager->m_anchorItem, -1);
 114 }
 115
 116 void KItemListSelectionManagerTest::testCurrentItemAnchorItem()
 117 {
 118     QSignalSpy spyCurrent(m_selectionManager, SIGNAL(currentChanged(int,int)));
 119
 120     // Set current item and check that the selection manager emits the currentChanged(int,int) signal correctly.
 121     m_selectionManager->setCurrentItem(4);
 122     QCOMPARE(m_selectionManager->currentItem(), 4);
 123     QCOMPARE(spyCurrent.count(), 1);
 124     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(0)), 4);
 125     spyCurrent.takeFirst();
 126
 127     // Begin an anchored selection.
 128     m_selectionManager->beginAnchoredSelection(5);
 129     QVERIFY(m_selectionManager->isAnchoredSelectionActive());
 130     QCOMPARE(m_selectionManager->m_anchorItem, 5);
 131
 132     // Items between current and anchor should be selected now
 133     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 4 << 5);
 134     QVERIFY(m_selectionManager->hasSelection());
 135
 136     // Change current item again and check the selection
 137     m_selectionManager->setCurrentItem(2);
 138     QCOMPARE(m_selectionManager->currentItem(), 2);
 139     QCOMPARE(spyCurrent.count(), 1);
 140     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(0)), 2);
 141     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(1)), 4);
 142     spyCurrent.takeFirst();
 143
 144     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 2 << 3 << 4 << 5);
 145     QVERIFY(m_selectionManager->hasSelection());
 146
 147     // Inserting items should update current item and anchor item.
 148     m_selectionManager->itemsInserted(KItemRangeList() <<
 149                                       KItemRange(0, 1) <<
 150                                       KItemRange(2, 2) <<
 151                                       KItemRange(6, 3));
 152
 153     QCOMPARE(m_selectionManager->currentItem(), 5);
 154     QCOMPARE(spyCurrent.count(), 1);
 155     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(0)), 5);
 156     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(1)), 2);
 157     spyCurrent.takeFirst();
 158
 159     QCOMPARE(m_selectionManager->m_anchorItem, 8);
 160
 161     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6 << 7 << 8);
 162     QVERIFY(m_selectionManager->hasSelection());
 163
 164     // Removing items should update current item and anchor item.
 165     m_selectionManager->itemsRemoved(KItemRangeList() <<
 166                                      KItemRange(0, 2) <<
 167                                      KItemRange(2, 1) <<
 168                                      KItemRange(9, 2));
 169
 170     QCOMPARE(m_selectionManager->currentItem(), 2);
 171     QCOMPARE(spyCurrent.count(), 1);
 172     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(0)), 2);
 173     QCOMPARE(qvariant_cast<int>(spyCurrent.at(0).at(1)), 5);
 174     spyCurrent.takeFirst();
 175
 176     QCOMPARE(m_selectionManager->m_anchorItem, 5);
 177
 178     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 2 << 3 << 4 << 5);
 179     QVERIFY(m_selectionManager->hasSelection());
 180
 181     // Verify that clearSelection() also clears the anchored selection.
 182     m_selectionManager->clearSelection();
 183     QCOMPARE(m_selectionManager->selectedItems(), KItemSet());
 184     QVERIFY(!m_selectionManager->hasSelection());
 185
 186     m_selectionManager->endAnchoredSelection();
 187     QVERIFY(!m_selectionManager->isAnchoredSelectionActive());
 188 }
 189
 190 void KItemListSelectionManagerTest::testSetSelected_data()
 191 {
 192     QTest::addColumn<int>("index");
 193     QTest::addColumn<int>("count");
 194     QTest::addColumn<int>("expectedSelectionCount");
 195
 196     QTest::newRow("Select all") << 0 << 100 << 100;
 197     QTest::newRow("Sub selection 15 items") << 20 << 15 << 15;
 198     QTest::newRow("Sub selection 1 item") << 20 << 1 << 1;
 199     QTest::newRow("Too small index") << -1 << 100 << 0;
 200     QTest::newRow("Too large index") << 100 << 100 << 0;
 201     QTest::newRow("Too large count") << 0 << 100000 << 100;
 202     QTest::newRow("Too small count") << 0 << 0 << 0;
 203 }
 204
 205 void KItemListSelectionManagerTest::testSetSelected()
 206 {
 207     QFETCH(int, index);
 208     QFETCH(int, count);
 209     QFETCH(int, expectedSelectionCount);
 210     m_selectionManager->setSelected(index, count);
 211     QCOMPARE(m_selectionManager->selectedItems().count(), expectedSelectionCount);
 212 }
 213
 214 void KItemListSelectionManagerTest::testItemsInserted()
 215 {
 216     // Select items 10 to 12
 217     m_selectionManager->setSelected(10, 3);
 218     KItemSet selectedItems = m_selectionManager->selectedItems();
 219     QCOMPARE(selectedItems.count(), 3);
 220     QVERIFY(selectedItems.contains(10));
 221     QVERIFY(selectedItems.contains(11));
 222     QVERIFY(selectedItems.contains(12));
 223
 224     // Insert items 0 to 4 -> selection must be 15 to 17
 225     m_selectionManager->itemsInserted(KItemRangeList() << KItemRange(0, 5));
 226     selectedItems = m_selectionManager->selectedItems();
 227     QCOMPARE(selectedItems.count(), 3);
 228     QVERIFY(selectedItems.contains(15));
 229     QVERIFY(selectedItems.contains(16));
 230     QVERIFY(selectedItems.contains(17));
 231
 232     // Insert 3 items between the selections
 233     m_selectionManager->itemsInserted(KItemRangeList() <<
 234                                       KItemRange(15, 1) <<
 235                                       KItemRange(16, 1) <<
 236                                       KItemRange(17, 1));
 237     selectedItems = m_selectionManager->selectedItems();
 238     QCOMPARE(selectedItems.count(), 3);
 239     QVERIFY(selectedItems.contains(16));
 240     QVERIFY(selectedItems.contains(18));
 241     QVERIFY(selectedItems.contains(20));
 242 }
 243
 244 void KItemListSelectionManagerTest::testItemsRemoved()
 245 {
 246     // Select items 10 to 15
 247     m_selectionManager->setSelected(10, 6);
 248     KItemSet selectedItems = m_selectionManager->selectedItems();
 249     QCOMPARE(selectedItems.count(), 6);
 250     for (int i = 10; i <= 15; ++i) {
 251         QVERIFY(selectedItems.contains(i));
 252     }
 253
 254     // Remove items 0 to 4 -> selection must be 5 to 10
 255     m_selectionManager->itemsRemoved(KItemRangeList() << KItemRange(0, 5));
 256     selectedItems = m_selectionManager->selectedItems();
 257     QCOMPARE(selectedItems.count(), 6);
 258     for (int i = 5; i <= 10; ++i) {
 259         QVERIFY(selectedItems.contains(i));
 260     }
 261
 262     // Remove the items 6 , 8 and 10
 263     m_selectionManager->itemsRemoved(KItemRangeList() <<
 264                                      KItemRange(6, 1) <<
 265                                      KItemRange(8, 1) <<
 266                                      KItemRange(10, 1));
 267     selectedItems = m_selectionManager->selectedItems();
 268     QCOMPARE(selectedItems.count(), 3);
 269     QVERIFY(selectedItems.contains(5));
 270     QVERIFY(selectedItems.contains(6));
 271     QVERIFY(selectedItems.contains(7));
 272 }
 273
 274 void KItemListSelectionManagerTest::testAnchoredSelection()
 275 {
 276     m_selectionManager->beginAnchoredSelection(5);
 277     QVERIFY(m_selectionManager->isAnchoredSelectionActive());
 278     QCOMPARE(m_selectionManager->m_anchorItem, 5);
 279
 280     m_selectionManager->setCurrentItem(6);
 281     QCOMPARE(m_selectionManager->currentItem(), 6);
 282     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6);
 283
 284     m_selectionManager->setCurrentItem(4);
 285     QCOMPARE(m_selectionManager->currentItem(), 4);
 286     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 4 << 5);
 287
 288     m_selectionManager->setCurrentItem(7);
 289     QCOMPARE(m_selectionManager->currentItem(), 7);
 290     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6 << 7);
 291
 292     // Ending the anchored selection should not change the selected items.
 293     m_selectionManager->endAnchoredSelection();
 294     QVERIFY(!m_selectionManager->isAnchoredSelectionActive());
 295     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6 << 7);
 296
 297     // Start a new anchored selection that overlaps the previous one
 298     m_selectionManager->beginAnchoredSelection(9);
 299     QVERIFY(m_selectionManager->isAnchoredSelectionActive());
 300     QCOMPARE(m_selectionManager->m_anchorItem, 9);
 301
 302     m_selectionManager->setCurrentItem(6);
 303     QCOMPARE(m_selectionManager->currentItem(), 6);
 304     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6 << 7 << 8 << 9);
 305
 306     m_selectionManager->setCurrentItem(10);
 307     QCOMPARE(m_selectionManager->currentItem(), 10);
 308     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6 << 7 << 9 << 10);
 309
 310     m_selectionManager->endAnchoredSelection();
 311     QVERIFY(!m_selectionManager->isAnchoredSelectionActive());
 312     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 5 << 6 << 7 << 9 << 10);
 313 }
 314
 315 namespace {
 316     enum ChangeType {
 317         NoChange,
 318         InsertItems,
 319         RemoveItems,
 320         MoveItems,
 321         EndAnchoredSelection,
 322         SetSelected
 323     };
 324 }
 325
 326 Q_DECLARE_METATYPE(KItemSet)
 327 Q_DECLARE_METATYPE(ChangeType)
 328 Q_DECLARE_METATYPE(KItemRange)
 329 Q_DECLARE_METATYPE(KItemRangeList)
 330 Q_DECLARE_METATYPE(KItemListSelectionManager::SelectionMode)
 331 Q_DECLARE_METATYPE(QList<int>)
 332
 333 /**
 334  * The following function provides a generic way to test the selection functionality.
 335  *
 336  * The test is data-driven and takes the following arguments:
 337  *
 338  * param initialSelection  The selection at the beginning.
 339  * param anchor            This item will be the anchor item.
 340  * param current           This item will be the current item.
 341  * param expectedSelection Expected selection after anchor and current are set.
 342  * param changeType        Type of the change that is done then:
 343  *                        - NoChange
 344  *                        - InsertItems -> data.at(0) provides the KItemRangeList. \sa KItemListSelectionManager::itemsInserted()
 345  *                        - RemoveItems -> data.at(0) provides the KItemRangeList. \sa KItemListSelectionManager::itemsRemoved()
 346  *                        - MoveItems   -> data.at(0) provides the KItemRange containing the original indices,
 347  *                                         data.at(1) provides the list containing the new indices
 348  *                                        \sa KItemListSelectionManager::itemsMoved(), KItemModelBase::itemsMoved()
 349  *                        - EndAnchoredSelection
 350  *                        - SetSelected -> data.at(0) provides the index where the selection process starts,
 351  *                                         data.at(1) provides the number of indices to be selected,
 352  *                                         data.at(2) provides the selection mode.
 353  *                                        \sa KItemListSelectionManager::setSelected()
 354  * param data              A list of QVariants which will be cast to the arguments needed for the chosen ChangeType (see above).
 355  * param finalSelection    The expected final selection.
 356  *
 357  */
 358 void KItemListSelectionManagerTest::testChangeSelection_data()
 359 {
 360     QTest::addColumn<KItemSet>("initialSelection");
 361     QTest::addColumn<int>("anchor");
 362     QTest::addColumn<int>("current");
 363     QTest::addColumn<KItemSet>("expectedSelection");
 364     QTest::addColumn<ChangeType>("changeType");
 365     QTest::addColumn<QList<QVariant> >("data");
 366     QTest::addColumn<KItemSet>("finalSelection");
 367
 368     QTest::newRow("No change")
 369         << (KItemSet() << 5 << 6)
 370         << 2 << 3
 371         << (KItemSet() << 2 << 3 << 5 << 6)
 372         << NoChange
 373         << QList<QVariant>{}
 374         << (KItemSet() << 2 << 3 << 5 << 6);
 375
 376     QTest::newRow("Insert Items")
 377         << (KItemSet() << 5 << 6)
 378         << 2 << 3
 379         << (KItemSet() << 2 << 3 << 5 << 6)
 380         << InsertItems
 381         << QList<QVariant>{QVariant::fromValue(KItemRangeList() << KItemRange(1, 1) << KItemRange(5, 2) << KItemRange(10, 5))}
 382         << (KItemSet() << 3 << 4 << 8 << 9);
 383
 384     QTest::newRow("Remove Items")
 385         << (KItemSet() << 5 << 6)
 386         << 2 << 3
 387         << (KItemSet() << 2 << 3 << 5 << 6)
 388         << RemoveItems
 389         << QList<QVariant>{QVariant::fromValue(KItemRangeList() << KItemRange(1, 1) << KItemRange(3, 1) << KItemRange(10, 5))}
 390         << (KItemSet() << 1 << 2 << 3 << 4);
 391
 392     QTest::newRow("Empty Anchored Selection")
 393         << KItemSet()
 394         << 2 << 2
 395         << KItemSet()
 396         << EndAnchoredSelection
 397         << QList<QVariant>{}
 398         << KItemSet();
 399
 400     QTest::newRow("Toggle selection")
 401         << (KItemSet() << 1 << 3 << 4)
 402         << 6 << 8
 403         << (KItemSet() << 1 << 3 << 4 << 6 << 7 << 8)
 404         << SetSelected
 405         << QList<QVariant>{0, 10, QVariant::fromValue(KItemListSelectionManager::Toggle)}
 406         << (KItemSet() << 0 << 2 << 5 << 9);
 407
 408     // Swap items 2, 3 and 4, 5
 409     QTest::newRow("Move items")
 410         << (KItemSet() << 0 << 1 << 2 << 3)
 411         << -1 << -1
 412         << (KItemSet() << 0 << 1 << 2 << 3)
 413         << MoveItems
 414         << QList<QVariant>{QVariant::fromValue(KItemRange(2, 4)),
 415                            QVariant::fromValue(QList<int>{4, 5, 2, 3})}
 416         << (KItemSet() << 0 << 1 << 4 << 5);
 417
 418     QTest::newRow("Move items with active anchored selection")
 419         << KItemSet()
 420         << 0 << 3
 421         << (KItemSet() << 0 << 1 << 2 << 3)
 422         << MoveItems
 423         << QList<QVariant>{QVariant::fromValue(KItemRange(2, 4)),
 424                            QVariant::fromValue(QList<int>{4, 5, 2, 3})}
 425         << (KItemSet() << 0 << 1 << 4 << 5);
 426
 427     // Revert sort order
 428     QTest::newRow("Revert sort order")
 429         << (KItemSet() << 0 << 1)
 430         << 3 << 4
 431         << (KItemSet() << 0 << 1 << 3 << 4)
 432         << MoveItems
 433         << QList<QVariant>{QVariant::fromValue(KItemRange(0, 10)),
 434                            QVariant::fromValue(QList<int>{9, 8, 7, 6, 5, 4, 3, 2, 1, 0})}
 435         << (KItemSet() << 5 << 6 << 8 << 9);
 436 }
 437
 438 void KItemListSelectionManagerTest::testChangeSelection()
 439 {
 440     QFETCH(KItemSet, initialSelection);
 441     QFETCH(int, anchor);
 442     QFETCH(int, current);
 443     QFETCH(KItemSet, expectedSelection);
 444     QFETCH(ChangeType, changeType);
 445     QFETCH(QList<QVariant>, data);
 446     QFETCH(KItemSet, finalSelection);
 447
 448     QSignalSpy spySelectionChanged(m_selectionManager, SIGNAL(selectionChanged(KItemSet,KItemSet)));
 449
 450     // Initial selection should be empty
 451     QVERIFY(!m_selectionManager->hasSelection());
 452     QVERIFY(m_selectionManager->selectedItems().isEmpty());
 453
 454     // Perform the initial selectiion
 455     m_selectionManager->setSelectedItems(initialSelection);
 456
 457     verifySelectionChange(spySelectionChanged, initialSelection, KItemSet());
 458
 459     // Perform an anchored selection.
 460     // Note that current and anchor index are equal first because this is the case in typical uses of the
 461     // selection manager, and because this makes it easier to test the correctness of the signal's arguments.
 462     m_selectionManager->setCurrentItem(anchor);
 463     m_selectionManager->beginAnchoredSelection(anchor);
 464     m_selectionManager->setCurrentItem(current);
 465     QCOMPARE(m_selectionManager->m_anchorItem, anchor);
 466     QCOMPARE(m_selectionManager->currentItem(), current);
 467
 468     verifySelectionChange(spySelectionChanged, expectedSelection, initialSelection);
 469
 470     // Change the model by inserting or removing items.
 471     switch (changeType) {
 472     case InsertItems:
 473         m_selectionManager->itemsInserted(data.at(0).value<KItemRangeList>());
 474         break;
 475     case RemoveItems:
 476         m_selectionManager->itemsRemoved(data.at(0).value<KItemRangeList>());
 477         break;
 478     case MoveItems:
 479         m_selectionManager->itemsMoved(data.at(0).value<KItemRange>(),
 480                                        data.at(1).value<QList<int>>());
 481         break;
 482     case EndAnchoredSelection:
 483         m_selectionManager->endAnchoredSelection();
 484         QVERIFY(!m_selectionManager->isAnchoredSelectionActive());
 485         break;
 486     case SetSelected:
 487         m_selectionManager->setSelected(data.at(0).value<int>(), // index
 488                                         data.at(1).value<int>(), // count
 489                                         data.at(2).value<KItemListSelectionManager::SelectionMode>());
 490         break;
 491     case NoChange:
 492         break;
 493     }
 494
 495     verifySelectionChange(spySelectionChanged, finalSelection, expectedSelection);
 496
 497     // Finally, clear the selection
 498     m_selectionManager->clearSelection();
 499
 500     verifySelectionChange(spySelectionChanged, KItemSet(), finalSelection);
 501 }
 502
 503 void KItemListSelectionManagerTest::testDeleteCurrentItem_data()
 504 {
 505     QTest::addColumn<int>("oldCurrentItemIndex");
 506     QTest::addColumn<int>("removeIndex");
 507     QTest::addColumn<int>("removeCount");
 508     QTest::addColumn<int>("newCurrentItemIndex");
 509
 510     QTest::newRow("Remove before")               << 50 <<  0 << 10 << 40;
 511     QTest::newRow("Remove after")                << 50 << 51 << 10 << 50;
 512     QTest::newRow("Remove exactly current item") << 50 << 50 <<  1 << 50;
 513     QTest::newRow("Remove around current item")  << 50 << 45 << 10 << 45;
 514     QTest::newRow("Remove all except one item")  << 50 <<  1 << 99 <<  0;
 515 }
 516
 517 void KItemListSelectionManagerTest::testDeleteCurrentItem()
 518 {
 519     QFETCH(int, oldCurrentItemIndex);
 520     QFETCH(int, removeIndex);
 521     QFETCH(int, removeCount);
 522     QFETCH(int, newCurrentItemIndex);
 523
 524     m_selectionManager->setCurrentItem(oldCurrentItemIndex);
 525
 526     const int newCount = m_model->count() - removeCount;
 527     m_model->setCount(newCount);
 528     m_selectionManager->itemsRemoved(KItemRangeList() << KItemRange(removeIndex, removeCount));
 529
 530     QCOMPARE(m_selectionManager->currentItem(), newCurrentItemIndex);
 531 }
 532
 533 void KItemListSelectionManagerTest::testAnchoredSelectionAfterMovingItems()
 534 {
 535     m_selectionManager->setCurrentItem(4);
 536     m_selectionManager->beginAnchoredSelection(4);
 537
 538     // Reverse the items between 0 and 5.
 539     m_selectionManager->itemsMoved(KItemRange(0, 6), {5, 4, 3, 2, 1, 0});
 540
 541     QCOMPARE(m_selectionManager->currentItem(), 1);
 542     QCOMPARE(m_selectionManager->m_anchorItem, 1);
 543
 544     // Make 2 the current item -> 1 and 2 should be selected.
 545     m_selectionManager->setCurrentItem(2);
 546     QCOMPARE(m_selectionManager->selectedItems(), KItemSet() << 1 << 2);
 547 }
 548
 549 void KItemListSelectionManagerTest::verifySelectionChange(QSignalSpy& spy,
 550                                                           const KItemSet& currentSelection,
 551                                                           const KItemSet& previousSelection) const
 552 {
 553     QCOMPARE(m_selectionManager->selectedItems(), currentSelection);
 554     QCOMPARE(m_selectionManager->hasSelection(), !currentSelection.isEmpty());
 555     for (int index = 0; index < m_selectionManager->model()->count(); ++index) {
 556         if (currentSelection.contains(index)) {
 557             QVERIFY(m_selectionManager->isSelected(index));
 558         }
 559         else {
 560             QVERIFY(!m_selectionManager->isSelected(index));
 561         }
 562     }
 563
 564     if (currentSelection == previousSelection) {
 565         QCOMPARE(spy.count(), 0);
 566     }
 567     else {
 568         QCOMPARE(spy.count(), 1);
 569         QList<QVariant> arguments = spy.takeFirst();
 570         QCOMPARE(qvariant_cast<KItemSet>(arguments.at(0)), currentSelection);
 571         QCOMPARE(qvariant_cast<KItemSet>(arguments.at(1)), previousSelection);
 572     }
 573 }
 574
 575 QTEST_GUILESS_MAIN(KItemListSelectionManagerTest)
 576
 577 #include "kitemlistselectionmanagertest.moc"