chromium/third_party/blink/web_tests/editing/pasteboard/copy-display-none.html

<head>
<script>
function runTest()
{
    if (window.testRunner)
        testRunner.dumpAsText();
    var paragraph = document.getElementById("paragraph");
    var textNode = paragraph.firstChild;
    var range = document.createRange();
    range.setStart(textNode, 24)
    range.setEnd(textNode, 28)
    getSelection().addRange(range);
    paragraph.setAttribute("style", "display: none");
    document.execCommand("Copy");
    document.getElementById("message").firstChild.data = "PASSED";
}
</script>
</head>
<body onload="runTest()">
<p>This tests to make sure a copy after making the selection display: none does not hit an assertion.</p>
<p id="message">TEST NOT COMPLETE</p>
<div>This is text before the test paragraph. <p id="paragraph">This paragraph will be hidden and then copied.</p></div><p>This is the paragraph after the hidden one.</p>
</body>