Position section headers correctly when section property changes.

Schedule a new layout after the section property is changed to correct
item positions if section headers are added or removed.

Task-number: QTBUG-24900

Change-Id: I7e46ec6dc00e5a810029396a4c5ca4e87ee1d94d
Reviewed-by: Martin Jones <martin.jones@nokia.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
index f051e5baca..c6a72306f9 100644
--- a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
+++ b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
@@ -2408,6 +2408,26 @@ void tst_QQuickListView::sectionPropertyChange()
         QTRY_COMPARE(item->y(), qreal(25. + i*75.));
     }
 
+    QMetaObject::invokeMethod(canvas->rootObject(), "switchGrouped");
+    QTRY_COMPARE(QQuickItemPrivate::get(listview)->polishScheduled, false);
+
+    // Confirm items positioned correctly
+    for (int i = 0; i < 2; ++i) {
+        QQuickItem *item = findItem<QQuickItem>(contentItem, "wrapper", i);
+        QTRY_VERIFY(item);
+        QTRY_COMPARE(item->y(), qreal(25. + i*50.));
+    }
+
+    QMetaObject::invokeMethod(canvas->rootObject(), "switchGrouped");
+    QTRY_COMPARE(QQuickItemPrivate::get(listview)->polishScheduled, false);
+
+    // Confirm items positioned correctly
+    for (int i = 0; i < 2; ++i) {
+        QQuickItem *item = findItem<QQuickItem>(contentItem, "wrapper", i);
+        QTRY_VERIFY(item);
+        QTRY_COMPARE(item->y(), qreal(25. + i*75.));
+    }
+
     delete canvas;
 }