<!DOCTYPE html><!-- webkit-test-runner [ ModelElementEnabled=true ] -->
<html>
<body>
<model id="model">
    <source src="resources/heart.usdz">
</model>
<pre id="layers"></pre>
<script>
    let layers = document.getElementById("layers");

    if (window.testRunner) {
        testRunner.waitUntilDone();
        testRunner.dumpAsText();
    } else
        layers.textContent = "This test requires testRunner.";

    let model = document.getElementById("model");

    model.ready.then(value => {
        if (window.testRunner)
            layers.innerText = window.internals.layerTreeAsText(document);
        model.remove();
    }, reason => {
        layers.textContent = `Failed. Model did not load: ${reason}`;
    }).finally(() => { 
        if (window.testRunner)
            testRunner.notifyDone();
    });
</script>
</body>
</html>