<!DOCTYPE html>
<script src="../../resources/js-test-pre.js"></script>
<script src="resources/worker-create-common.js"></script>
<script>

var jsTestIsAsync = true;

description('Tests that calling DedicatedWorkerGlobalScope.postMessage() without parameter throws an exception');

var worker = createWorker();
worker.postMessage("eval postMessage()");
worker.postMessage("eval DONE");

worker.onmessage = function(evt) {
    if (!/DONE/.test(evt.data))
        debug(evt.data.replace(new RegExp("/.*LayoutTests"), "<...>"));
    else
        finishJSTest();
};

</script>
<script src="../../resources/js-test-post.js"></script>