delegates outside of ListView are not painted regardless of cacheBuffer

import QtQuick 2.0

Rectangle {
    id: container
    width: 1600
    height: 400

    ListView {
        id: view
        width: 848
        height: 278
        anchors.verticalCenter: parent.verticalCenter
        model: 50
        orientation: ListView.Horizontal

        cacheBuffer: parent.width / 3

        delegate:
            Rectangle {
                id: item
                width: 175
                height: 278
                color: "red"
                border.color: "black"
                border.width: 2
            }
    }
}