artificial scrolling GC testcase

gistfile1.txt

import QtQuick 2.6

ListView {
    id: lv
    width: 300
    height: 1200
    model: 10000
    delegate: Rectangle {
        width: ListView.view.width
        height: 50
        color: index % 2 == 0 ? "red" : "blue"
        opacity: 0.2

        Row {
            anchors.fill: parent
            Image {
                source: "pony0.jpg"
                height: parent.height
                width: 30
            }
            Image {
                source: "pony1.jpg"
                height: parent.height
                width: 30
            }
            Image {
                source: "pony2.jpg"
                height: parent.height
                width: 30
            }
        }
    }

    // uncomment the below to make it super super artificial (it'll scroll the
    // whole ListView repeatedly).
/*
    NumberAnimation {
        id: scrollDown
        target: lv
        property: "contentY"
        to: lv.contentHeight - lv.height
        duration: 100
        onRunningChanged: {
            if (!running) {
                scrollUp.start()
            }
        }
    }
    NumberAnimation {
        id: scrollUp
        target: lv
        property: "contentY"
        to: 0
        duration: 100
        onRunningChanged: {
            if (!running) {
                scrollDown.start()
            }
        }
    }

    Component.onCompleted: {
        scrollDown.start()
    }*/
}