<!DOCTYPE html>
<html>
    <head>
        <title>Test multiple calls to MediaKeySession.close() sequentially</title>
        <script src="encrypted-media-utils.js"></script>
        <script src="../../resources/testharness.js"></script>
        <script src="../../resources/testharnessreport.js"></script>
    </head>
    <body>
        <script>
            // This test verifies that calls to close() on a closed session
            // succeed, and always return a promise.

            promise_test(function(test)
            {
                var initDataType;
                var initData;
                var mediaKeySession;

                return navigator.requestMediaKeySystemAccess(
                        'org.w3.clearkey',
                        getSimpleConfiguration()).then(function(access) {
                    initDataType = access.getConfiguration().initDataTypes[0];
                    initData = getInitData(initDataType);
                    return access.createMediaKeys();
                }).then(function(mediaKeys) {
                    mediaKeySession = mediaKeys.createSession();
                    return mediaKeySession.generateRequest(initDataType, initData);
                }).then(function() {
                    // Call close() multiple times sequentially.
                    var p = mediaKeySession.close();
                    assert_true(p instanceof Promise);
                    return p;
                }).then(function() {
                    var p = mediaKeySession.close();
                    assert_true(p instanceof Promise);
                    return p;
                }).then(function() {
                    var p = mediaKeySession.close();
                    assert_true(p instanceof Promise);
                    return p;
                });
            }, 'Test multiple calls to MediaKeySession.close() sequentially.');
        </script>
    </body>
</html>