image-sizes-viewport-with-new-image-and-template-parent.html

<!DOCTYPE html>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();

    function insert() {
        var img = new Image();
        var template = document.getElementById('template');

        img.src = 'resources/blue_rect.jpg';
        img.sizes = '50vw';

        template.appendChild(img);
    }
</script>
<body onload="insert()">
  <pre id="result">PASS - didn't crash.</pre>
  <template id ="template"></template>
</body>

chromium/third_party/blink/web_tests/fast/dom/HTMLImageElement/image-sizes-viewport-with-new-image-and-template-parent.html