textarea-nowrap-paste-eol.html | Explore in Territory

<!DOCTYPE html>
<body>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<div id="log"></div>
<textarea style="white-space:nowrap"></textarea>
<script>
test(function() {
    var textarea = document.querySelector('textarea');
    textarea.focus();
    textarea.addEventListener('copy', function(event) {
        event.clipboardData.setData('text', 'a\r\n\r\n   b\r\n');
        event.preventDefault();
    });
    document.execCommand('copy');
    document.execCommand('paste');
    assert_equals(textarea.value, 'a\n\n   b\n');
}, 'TEXTAREA with white-space:nowrap should not increase the number of EOLs');
</script>
</body>

chromium/third_party/blink/web_tests/fast/forms/textarea/textarea-nowrap-paste-eol.html