active-suggestion-marker-split.html

<!doctype html>
<script src="../../resources/run-after-layout-and-paint.js"></script>
<!-- Text is injected after page load into the center of the initial text.
  This results in an InlineTextBox with start() > 0, which allows testing
  to make sure composition underlines are still painted in the right place. -->
<div id="markSplit">abc def</div>
<div id="markSplitTruncated" style="white-space: nowrap; overflow: hidden; text-overflow: ellipsis; width: 8em;">abcdefghi jklmnopqr</div>
<script>
function injectText(node, offset) {
    var textNode = node.firstChild;
    var replacementNode = textNode.splitText(offset);
    var newTextNode = document.createTextNode(' xxx ');
    node.insertBefore(newTextNode, replacementNode);
}

function highlightRange(node) {
    var range = document.createRange();
    var textNode = node.childNodes[2];
    range.setStart(textNode, 0);
    range.setEnd(textNode, 4);
    if (typeof internals !== 'undefined')
        internals.addActiveSuggestionMarker(range, 'orange', 'thin', 'lightBlue');
}

onload = runAfterLayoutAndPaint(function() {
    injectText(markSplit, 3);
    // TODO(wkorman): This ITB has start=1, end=3, truncation=USHRT_MAX, len=3.
    // Validate that the actual painting behavior is what's expected.
    highlightRange(markSplit);

    injectText(markSplitTruncated, 9);
    // TODO(wkorman): This ITB has start=1, end=9, truncation=3, len=9. Validate
    // that the actual painting behavior is what's expected.
    highlightRange(markSplitTruncated);
}, true);
</script>
chromium/third_party/blink/web_tests/paint/markers/active-suggestion-marker-split.html
