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

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This test has a WPT meta file that expects 1 subtest issues.
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>

<script src="../include/editor-test-utils.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;

        const target = document.getElementById("target");

        await new test_driver.click(target);

        await EditorTestUtils.waitForRender();

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

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

        await EditorTestUtils.waitForRender();

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

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

  </script>

</body>