1 files changed, 13 insertions, 4 deletions
diff --git a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
index 1b3e1e1f34..df02815eb2 100644
--- a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
+++ b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
@@ -85,8 +85,8 @@ class XResetModel : public QStandardItemModel
         blockSignals(true);
         bool r = QStandardItemModel::removeRows(row, count, parent);
         blockSignals(false);
-        emit beginResetModel();
-        emit endResetModel();
+        beginResetModel();
+        endResetModel();
         return r;
     }
     virtual bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex())
@@ -94,8 +94,8 @@ class XResetModel : public QStandardItemModel
         blockSignals(true);
         bool r = QStandardItemModel::insertRows(row, count, parent);
         blockSignals(false);
-        emit beginResetModel();
-        emit endResetModel();
+        beginResetModel();
+        endResetModel();
         return r;
     }
 };
@@ -106,6 +106,7 @@ class tst_QHeaderView : public QObject
 
 public:
     tst_QHeaderView();
+    static void initMain();
 
 private slots:
     void initTestCase();
@@ -265,6 +266,14 @@ protected:
     QElapsedTimer timer;
 };
 
+void tst_QHeaderView::initMain()
+{
+#ifdef Q_OS_WIN
+    // Ensure minimum size constraints of framed windows on High DPI screens
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+}
+
 class QtTestModel: public QAbstractTableModel
 {