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41 
42 
43 #include <QtTest/QtTest>
44 #include <QtGui/QtGui>
45 
46 #include "modeltest.h"
47 #include "dynamictreemodel.h"
48 
49 
50 class tst_ModelTest : public QObject
51 {
52     Q_OBJECT
53 
54 public:
tst_ModelTest()55     tst_ModelTest() {}
~tst_ModelTest()56     virtual ~tst_ModelTest() {}
57 
58 public slots:
59     void initTestCase();
60     void cleanupTestCase();
61     void init();
62     void cleanup();
63 
64 private slots:
65     void stringListModel();
66     void treeWidgetModel();
67     void standardItemModel();
68     void testInsertThroughProxy();
69     void moveSourceItems();
70     void testResetThroughProxy();
71 };
72 
73 
74 
initTestCase()75 void tst_ModelTest::initTestCase()
76 {
77 }
78 
cleanupTestCase()79 void tst_ModelTest::cleanupTestCase()
80 {
81 }
82 
init()83 void tst_ModelTest::init()
84 {
85 
86 }
87 
cleanup()88 void tst_ModelTest::cleanup()
89 {
90 }
91 /*
92   tests
93 */
94 
stringListModel()95 void tst_ModelTest::stringListModel()
96 {
97     QStringListModel model;
98     QSortFilterProxyModel proxy;
99 
100     ModelTest t1(&model);
101     ModelTest t2(&proxy);
102 
103     proxy.setSourceModel(&model);
104 
105     model.setStringList(QStringList() << "2" << "3" << "1");
106     model.setStringList(QStringList() << "a" << "e" << "plop" << "b" << "c" );
107 
108     proxy.setDynamicSortFilter(true);
109     proxy.setFilterRegExp(QRegExp("[^b]"));
110 }
111 
treeWidgetModel()112 void tst_ModelTest::treeWidgetModel()
113 {
114     QTreeWidget widget;
115 
116     ModelTest t1(widget.model());
117 
118     QTreeWidgetItem *root = new QTreeWidgetItem(&widget, QStringList("root"));
119     for (int i = 0; i < 20; ++i) {
120         new QTreeWidgetItem(root, QStringList(QString::number(i)));
121     }
122     QTreeWidgetItem *remove = root->child(2);
123     root->removeChild(remove);
124     QTreeWidgetItem *parent = new QTreeWidgetItem(&widget, QStringList("parent"));
125     new QTreeWidgetItem(parent, QStringList("child"));
126     widget.setItemHidden(parent, true);
127 
128     widget.sortByColumn(0);
129 }
130 
standardItemModel()131 void tst_ModelTest::standardItemModel()
132 {
133     QStandardItemModel model(10,10);
134     QSortFilterProxyModel proxy;
135 
136 
137     ModelTest t1(&model);
138     ModelTest t2(&proxy);
139 
140     proxy.setSourceModel(&model);
141 
142     model.insertRows(2, 5);
143     model.removeRows(4, 5);
144 
145     model.insertColumns(2, 5);
146     model.removeColumns(4, 5);
147 
148     model.insertRows(0,5, model.index(1,1));
149     model.insertColumns(0,5, model.index(1,3));
150 }
151 
testInsertThroughProxy()152 void tst_ModelTest::testInsertThroughProxy()
153 {
154     DynamicTreeModel *model = new DynamicTreeModel(this);
155 
156     QSortFilterProxyModel *proxy = new QSortFilterProxyModel(this);
157     proxy->setSourceModel(model);
158 
159     new ModelTest(proxy, this);
160 
161     ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
162     insertCommand->setNumCols(4);
163     insertCommand->setStartRow(0);
164     insertCommand->setEndRow(9);
165     // Parent is QModelIndex()
166     insertCommand->doCommand();
167 
168     insertCommand = new ModelInsertCommand(model, this);
169     insertCommand->setNumCols(4);
170     insertCommand->setAncestorRowNumbers(QList<int>() << 5);
171     insertCommand->setStartRow(0);
172     insertCommand->setEndRow(9);
173     insertCommand->doCommand();
174 
175     ModelMoveCommand *moveCommand = new ModelMoveCommand(model, this);
176     moveCommand->setNumCols(4);
177     moveCommand->setStartRow(0);
178     moveCommand->setEndRow(0);
179     moveCommand->setDestRow(9);
180     moveCommand->setDestAncestors(QList<int>() << 5);
181     moveCommand->doCommand();
182 }
183 
184 /**
185   Makes the persistent index list publicly accessible
186 */
187 class AccessibleProxyModel : public QSortFilterProxyModel
188 {
189     Q_OBJECT
190 public:
AccessibleProxyModel(QObject * parent=0)191     AccessibleProxyModel(QObject *parent = 0) : QSortFilterProxyModel(parent) {}
192 
persistent()193     QModelIndexList persistent()
194     {
195         return persistentIndexList();
196     }
197 };
198 
199 class ObservingObject : public QObject
200 {
201     Q_OBJECT
202 public:
ObservingObject(AccessibleProxyModel * proxy,QObject * parent=0)203     ObservingObject(AccessibleProxyModel  *proxy, QObject *parent = 0)
204     : QObject(parent)
205     , m_proxy(proxy)
206     , storePersistentFailureCount(0)
207     , checkPersistentFailureCount(0)
208     {
209         connect(m_proxy, SIGNAL(layoutAboutToBeChanged()), SLOT(storePersistent()));
210         connect(m_proxy, SIGNAL(layoutChanged()), SLOT(checkPersistent()));
211     }
212 
213 public slots:
214 
storePersistent(const QModelIndex & parent)215     void storePersistent(const QModelIndex &parent)
216     {
217         for (int row = 0; row < m_proxy->rowCount(parent); ++row) {
218             QModelIndex proxyIndex = m_proxy->index(row, 0, parent);
219             QModelIndex sourceIndex = m_proxy->mapToSource(proxyIndex);
220             if (!proxyIndex.isValid()) {
221                 qWarning("%s: Invalid proxy index", Q_FUNC_INFO);
222                 ++storePersistentFailureCount;
223             }
224             if (!sourceIndex.isValid()) {
225                 qWarning("%s: invalid source index", Q_FUNC_INFO);
226                 ++storePersistentFailureCount;
227             }
228             m_persistentSourceIndexes.append(sourceIndex);
229             m_persistentProxyIndexes.append(proxyIndex);
230             if (m_proxy->hasChildren(proxyIndex))
231                 storePersistent(proxyIndex);
232         }
233     }
234 
storePersistent()235     void storePersistent()
236     {
237         // This method is called from layoutAboutToBeChanged. Persistent indexes should be valid
238         foreach(const QModelIndex &idx, m_persistentProxyIndexes)
239             if (!idx.isValid()) {
240                 qWarning("%s: persistentProxyIndexes contains invalid index", Q_FUNC_INFO);
241                 ++storePersistentFailureCount;
242             }
243 
244         if (!m_proxy->persistent().isEmpty()) {
245             qWarning("%s: proxy should have no persistent indexes when storePersistent called",
246                      Q_FUNC_INFO);
247             ++storePersistentFailureCount;
248         }
249         storePersistent(QModelIndex());
250         if (m_proxy->persistent().isEmpty()) {
251             qWarning("%s: proxy should have persistent index after storePersistent called",
252                      Q_FUNC_INFO);
253             ++storePersistentFailureCount;
254         }
255     }
256 
checkPersistent()257     void checkPersistent()
258     {
259         for (int row = 0; row < m_persistentProxyIndexes.size(); ++row) {
260             QModelIndex updatedProxy = m_persistentProxyIndexes.at(row);
261             QModelIndex updatedSource = m_persistentSourceIndexes.at(row);
262         }
263         for (int row = 0; row < m_persistentProxyIndexes.size(); ++row) {
264             QModelIndex updatedProxy = m_persistentProxyIndexes.at(row);
265             QModelIndex updatedSource = m_persistentSourceIndexes.at(row);
266             if (m_proxy->mapToSource(updatedProxy) != updatedSource) {
267                 qWarning("%s: check failed at row %d", Q_FUNC_INFO, row);
268                 ++checkPersistentFailureCount;
269             }
270         }
271         m_persistentSourceIndexes.clear();
272         m_persistentProxyIndexes.clear();
273     }
274 
275 private:
276     AccessibleProxyModel  *m_proxy;
277     QList<QPersistentModelIndex> m_persistentSourceIndexes;
278     QList<QPersistentModelIndex> m_persistentProxyIndexes;
279 public:
280     int storePersistentFailureCount;
281     int checkPersistentFailureCount;
282 };
283 
moveSourceItems()284 void tst_ModelTest::moveSourceItems()
285 {
286     DynamicTreeModel *model = new DynamicTreeModel(this);
287     AccessibleProxyModel *proxy = new AccessibleProxyModel(this);
288     proxy->setSourceModel(model);
289 
290     ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
291     insertCommand->setStartRow(0);
292     insertCommand->setEndRow(2);
293     insertCommand->doCommand();
294 
295     insertCommand = new ModelInsertCommand(model, this);
296     insertCommand->setAncestorRowNumbers(QList<int>() << 1);
297     insertCommand->setStartRow(0);
298     insertCommand->setEndRow(2);
299     insertCommand->doCommand();
300 
301     ObservingObject observer(proxy);
302 
303     ModelMoveCommand *moveCommand = new ModelMoveCommand(model, this);
304     moveCommand->setStartRow(0);
305     moveCommand->setEndRow(0);
306     moveCommand->setDestAncestors(QList<int>() << 1);
307     moveCommand->setDestRow(0);
308     moveCommand->doCommand();
309 
310     QCOMPARE(observer.storePersistentFailureCount, 0);
311     QCOMPARE(observer.checkPersistentFailureCount, 0);
312 }
313 
testResetThroughProxy()314 void tst_ModelTest::testResetThroughProxy()
315 {
316     DynamicTreeModel *model = new DynamicTreeModel(this);
317 
318     ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
319     insertCommand->setStartRow(0);
320     insertCommand->setEndRow(2);
321     insertCommand->doCommand();
322 
323     QPersistentModelIndex persistent = model->index(0, 0);
324 
325     AccessibleProxyModel *proxy = new AccessibleProxyModel(this);
326     proxy->setSourceModel(model);
327 
328     ObservingObject observer(proxy);
329     observer.storePersistent();
330 
331     ModelResetCommand *resetCommand = new ModelResetCommand(model, this);
332     resetCommand->setNumCols(0);
333     resetCommand->doCommand();
334 
335     QCOMPARE(observer.storePersistentFailureCount, 0);
336     QCOMPARE(observer.checkPersistentFailureCount, 0);
337 }
338 
339 
340 QTEST_MAIN(tst_ModelTest)
341 #include "tst_modeltest.moc"
342