fire-selection-change-on-deleting-empty-element.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/fire-selection-change-on-deleting-empty-element.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>

    // Selection should be updated when removing element in contenteditable div

    promise_test(async () => {

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

        const backSpaceKey = "\uE003";

        target.innerHTML = "<h1>A</h1>";

        let selectionChangeCount = 0;

        await new test_driver.click(target);

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

        await new Promise(resolve => step_timeout(resolve, 500));

        await new test_driver.send_keys(target, backSpaceKey);

        // Waits a short time to process all selectionchange events currently in the queue.

        await new Promise(resolve => step_timeout(resolve, 500));

        const expectedHTML = "<h1><br></h1>";

        assert_equals(target.innerHTML, expectedHTML, "Character should be removed");

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

        // Remove the <h1> element

        await new test_driver.send_keys(target, backSpaceKey);

        // Waits a short time to process all selectionchange events currently in the queue.

        await new Promise(resolve => step_timeout(resolve, 500));

        assert_equals(selectionChangeCount, 1, "Selection change count should match");

    }, "Selection is updated after removing the element in contenteditable div");

  </script>

</body>