Also update viewport size when header/footer size changes

Task-number: QTBUG-24292
Change-Id: I8e7f5abe077b6e8d2ce6625dcf43a34a7260934e
Done-with: Martin Jones <martin.jones@jollamobile.com>
Reviewed-by: Alan Alpert (Personal) <416365416c@gmail.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
index 6ec7cf8dc1..fb0b1c95ca 100644
--- a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
+++ b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
@@ -150,6 +150,7 @@ private slots:
     void header();
     void header_data();
     void header_delayItemCreation();
+    void headerChangesViewport();
     void footer();
     void footer_data();
     void extents();
@@ -3657,6 +3658,35 @@ void tst_QQuickListView::header_delayItemCreation()
     delete window;
 }
 
+void tst_QQuickListView::headerChangesViewport()
+{
+    QQuickView *window = getView();
+    window->rootContext()->setContextProperty("headerHeight", 20);
+    window->rootContext()->setContextProperty("headerWidth", 240);
+    window->setSource(testFileUrl("headerchangesviewport.qml"));
+
+    QQuickListView *listview = findItem<QQuickListView>(window->rootObject(), "list");
+    QTRY_VERIFY(listview != 0);
+    QTRY_COMPARE(QQuickItemPrivate::get(listview)->polishScheduled, false);
+
+    QQuickItem *contentItem = listview->contentItem();
+    QTRY_VERIFY(contentItem != 0);
+
+    QQuickText *header = 0;
+    QTRY_VERIFY(header = findItem<QQuickText>(contentItem, "header"));
+    QVERIFY(header == listview->headerItem());
+
+    QCOMPARE(header->height(), 20.);
+    QCOMPARE(listview->contentHeight(), 20.);
+
+    // change height
+    window->rootContext()->setContextProperty("headerHeight", 50);
+
+    // verify that list content height updates also
+    QCOMPARE(header->height(), 50.);
+    QCOMPARE(listview->contentHeight(), 50.);
+}
+
 void tst_QQuickListView::footer()
 {
     QFETCH(QQuickListView::Orientation, orientation);