LayoutTests/spatial-css/spatial-portal-model-move.html

<!DOCTYPE html> <!-- webkit-test-runner [ SpatialPortalEnabled=true ModelElementEnabled=true ModelProcessEnabled=true allowTestOnlyIPC=true ] -->
<html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="../resources/ui-helper.js"></script>
<style>
    .portal { spatial: portal; width: 300px; height: 150px; }
</style>
<body>
<div id="portalA" class="portal"></div>
<div id="portalB" class="portal"></div>
<script>
'use strict';

window.internals?.disableModelLoadDelaysForTesting();

promise_test(async t => {
    const portalA = document.getElementById("portalA");
    const portalB = document.getElementById("portalB");

    const model = document.createElement("model");
    t.add_cleanup(() => model.remove());

    portalA.appendChild(model);
    const source = document.createElement("source");
    source.src = "../model-element/resources/cube.usdz";
    model.appendChild(source);

    await model.ready;
    assert_equals(internals.numberOfHostedModelsInSpatialPortal(portalA), 1, "portal A hosts the model after insertion");
    assert_equals(internals.numberOfHostedModelsInSpatialPortal(portalB), 0, "portal B does not host the model before the move");

    portalB.appendChild(model);
    await UIHelper.ensureStablePresentationUpdate();
    assert_equals(internals.numberOfHostedModelsInSpatialPortal(portalB), 1, "portal B hosts the model after the move");
    assert_equals(internals.numberOfHostedModelsInSpatialPortal(portalA), 0, "portal A no longer hosts the model after the move");
}, "A <model> moved into a spatial portal delegates to the destination portal");
</script>
</body>
</html>