selection-change-not-fired-if-selection-set-to-root.html

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This WPT test may be referenced by the following Test IDs:
- /editing/other/selection-change-not-fired-if-selection-set-to-root.html - WPT Dashboard Interop Dashboard

<!doctype HTML>

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

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

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<body>

  <div contenteditable="true" id="target">

  </div>

  <script>

    // Selectionchange event should not get fired if the selection is already set to the beginning of the root

    promise_test(async () => {

        let selectionChangeCount = 0;

        document.getElementById("target").focus();

        await new Promise(resolve => step_timeout(resolve, 50));

        document.addEventListener("selectionchange", () => ++selectionChangeCount);

        test_driver.send_keys(target, "\uE003");

        // Waits a short time to allow any events to be processed.

        await new Promise(resolve => step_timeout(resolve, 50));

        assert_equals(selectionChangeCount, 0, "Selectionchange event should not get fired");

    }, "Selectionchange event not get fired when the selection is already set to the beginning of the root ");

  </script>

</body>