TextInput.positionToRectangle does not take verticalAlignment into account

import QtQuick 2.0

Item {
    width: 200; height: 300

    Rectangle {
        anchors.fill: textInput
        border.width: 1
        border.color: "black"
    }

    TextEdit {
        id: textInput
        width: 100; height: 80
        anchors.centerIn: parent
        horizontalAlignment: TextInput.AlignHCenter
        verticalAlignment: TextInput.AlignBottom
        text: "Testing"
        focus: true

        Rectangle {
            property var rect: textInput.positionToRectangle(textInput.cursorPosition)
            x: rect.x
            y: rect.y
            width: rect.width
            height: rect.height
            color: "red"
        }
    }
}