chromium/third_party/blink/web_tests/editing/inserting/page-zoom-font-size.html

<!DOCTYPE HTML FORCE QUIRKSMODE>
<body style="zoom: 200%">
<p style="font-size:16px">Test to make sure that pasting text with a font size into a quirks mode
document that is zoomed does not alter the font size.</p>
<div contentEditable="true" id="test">Paste Here: </div>
<div id="results"></div>
</body>
<script src="../editing.js"></script>
<script>
function editingTest()
{
    var target = document.getElementById("test");
    var selection = window.getSelection();
    selection.collapse(target, target.childNodes.length);
    document.execCommand("insertHTML", false, "<span style='font-size: 16px'>This font is size 16px.</span>");

    var results = document.getElementById("results");

    results.innerText = target.innerHTML;

    results.innerHTML += "<br>document.compatMode: " + document.compatMode;
    if (target.innerHTML.indexOf("font-size: 16px") == -1) {
        results.innerHTML += "<br>FAIL";
    } else
        results.innerHTML += "<br>PASS";
}

runDumpAsTextEditingTest(false);
</script>