<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../resources/js-test.js"></script>
<script src="../resources/accessibility-helper.js"></script>
</head>
<body>

<div id="clock" role="timer" aria-live="polite" aria-atomic="true">2:30pm</div>
<div id="clock-display-contents" style="display: contents" role="timer" aria-live="polite" aria-atomic="true">4:30pm</div>

<script>
    var testOutput = "This test ensures that an element's busy state updates aria-busy changes.\n\n";

    var axClock, axClockWithDisplayContents;
    function verifyElements() {
        testOutput += `#clock is busy: ${axClock.isBusy}\n`;
        testOutput += `#clock-display-contents is busy: ${axClockWithDisplayContents.isBusy}\n\n`;
    }

    if (window.accessibilityController) {
        window.jsTestIsAsync = true;
        axClock = accessibilityController.accessibleElementById("clock");
        axClockWithDisplayContents = accessibilityController.accessibleElementById("clock-display-contents");

        testOutput += "Verifying initial busy state:\n\n";
        verifyElements();

        const clock = document.getElementById("clock");
        const clockWithDisplayContents = document.getElementById("clock-display-contents");

        testOutput += "Setting aria-busy to true.\n\n";
        clock.ariaBusy = "true";
        clockWithDisplayContents.ariaBusy = "true";
        setTimeout(async function() {
            await waitFor(() => { return axClock.isBusy && axClockWithDisplayContents.isBusy });
            verifyElements();

            testOutput += "Setting aria-busy to false.\n\n";
            clock.ariaBusy = "false";
            clockWithDisplayContents.ariaBusy = "false";
            await waitFor(() => { return !axClock.isBusy && !axClockWithDisplayContents.isBusy });
            verifyElements();

            debug(testOutput);
            finishJSTest();
        }, 0);
    }
</script>
</body>
</html>