ENH: Add test to ctkModelTester

Libs/Core/Testing/Cxx/CMakeLists.txt

@@ -1,6 +1,7 @@
 SET(KIT ${PROJECT_NAME})
 
 CREATE_TEST_SOURCELIST(Tests ${KIT}CxxTests.cxx
+  ctkModelTesterTest1.cxx
   ctkUtilsTest1.cxx
   #EXTRA_INCLUDE TestingMacros.h
   )
@@ -27,4 +28,5 @@ ENDMACRO( SIMPLE_TEST  )
 # Add Tests
 #
 
+SIMPLE_TEST( ctkModelTesterTest1 )
 SIMPLE_TEST( ctkUtilsTest1 )

Libs/Core/Testing/Cxx/ctkModelTesterTest1.cxx

@@ -0,0 +1,84 @@
+/*=========================================================================
+
+  Library:   CTK
+
+  Copyright (c) Kitware Inc. 
+  All rights reserved.
+  Distributed under a BSD License. See LICENSE.txt file.
+
+  This software is distributed "AS IS" WITHOUT ANY WARRANTY; without even
+  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the above copyright notice for more information.
+
+=========================================================================*/
+
+// Qt includes
+#include <QAbstractItemModel>
+#include <QApplication>
+#include <QList>
+#include <QModelIndex>
+#include <QTreeWidget>
+
+// CTK includes
+#include "ctkModelTester.h"
+
+// STL includes
+#include <stdlib.h>
+#include <iostream>
+
+class QAbstractItemModelHelper : public QAbstractItemModel
+{
+public:
+  virtual QModelIndex index(int, int, const QModelIndex&) const { return QModelIndex(); }
+  virtual QModelIndex parent(const QModelIndex&) const { return QModelIndex(); }
+  virtual int rowCount(const QModelIndex&) const { return 0; }
+  virtual int columnCount(const QModelIndex&) const { return 0; }
+  virtual QVariant data(const QModelIndex&, int) const { return QVariant(); }
+};
+
+int ctkModelTesterTest1(int argc, char * argv [] )
+{
+  QApplication app(argc, argv);
+
+  QAbstractItemModelHelper * item = new QAbstractItemModelHelper;
+  QObject * object = new QObject; 
+
+  ctkModelTester ctkTester( item, object );
+
+  delete item;
+
+  try
+    {
+    // as we can infer that QTreeWidget is correct, ctkModelTester shall not fail
+    // for any of the actions on QTreeWidget.
+    QTreeWidget treeWidget(0);
+    ctkModelTester treeModelTester(treeWidget.model());
+    treeWidget.setColumnCount(1);
+    QList<QTreeWidgetItem *> items;
+    for (int i = 0; i < 10; ++i)
+      {
+      items.append(new QTreeWidgetItem((QTreeWidget*)0, QStringList(QString("item: %1").arg(i))));
+      }
+    treeWidget.addTopLevelItems(items);
+    treeWidget.takeTopLevelItem(0);
+    treeWidget.takeTopLevelItem(treeWidget.topLevelItemCount() / 2 );
+    treeWidget.takeTopLevelItem(treeWidget.topLevelItemCount() - 1);
+    treeWidget.insertTopLevelItem(0, new QTreeWidgetItem(&treeWidget, QStringList("new item 0")));
+    treeWidget.insertTopLevelItem(treeWidget.topLevelItemCount() / 2, 
+                                  new QTreeWidgetItem((QTreeWidget*)0, QStringList("new item 1")));
+    treeWidget.insertTopLevelItem(treeWidget.topLevelItemCount(), 
+                                  new QTreeWidgetItem((QTreeWidget*)0, QStringList("new item 2")));
+    new QTreeWidgetItem(treeWidget.topLevelItem(0), QStringList("new item 3"));
+    QAbstractItemModel* model = treeWidget.model();
+    model->setData(model->index(0,0),QString("foo"));
+    treeWidget.sortItems(0, Qt::DescendingOrder);
+    }
+  catch (const char* error)
+    {
+    std::cerr << error << std::endl;
+    return EXIT_FAILURE;
+    }
+
+  return EXIT_SUCCESS;
+}
+