range-in-two-selections.html

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This WPT test may be referenced by the following Test IDs:
- /dom/range-in-two-selections.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

</head>

<body>

<span>One two</span>

<script>

promise_test(async function (t) {

    await new Promise(resolve => {

        window.onload = resolve;

})

    const range = document.createRange();

    range.setStart(document.body, 0);

    range.setEnd(document.body, 1);

    const highlight = new Highlight(range);

    CSS.highlights.set("foo", highlight);

    document.getSelection().addRange(range);

    const highlightRange = highlight.entries().next().value[0];

    const selectionRange = document.getSelection().getRangeAt(0);

    assert_equals(

        highlightRange,

        selectionRange,

        "The same range must be present in the highlight and the Selection."

);

}, "Range is shared between a custom highlight and the document's Selection.");

</script>

</body>

</html>