<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="../../../resources/js-test-pre.js"></script>
<title></title>
</head>
<body>
<p id=description></p>
<div id="console"></div>
<script>

function runTest() {
    window.observer = new MutationObserver(function(mutations) { });
    shouldThrow('observer.observe()');
    shouldThrow('observer.observe(null)');
    shouldThrow('observer.observe(undefined)');
    shouldThrow('observer.observe(document.body)');
    shouldThrow('observer.observe(document.body, null)');
    shouldThrow('observer.observe(document.body, undefined)');
    shouldThrow('observer.observe(null, {attributes: true})');
    shouldThrow('observer.observe(undefined, {attributes: true})');
    shouldThrow('observer.observe(document.body, {subtree: true})');
    shouldThrow('observer.observe(document.body, {childList: true, attributeOldValue: true})');
    shouldThrow('observer.observe(document.body, {attributes: true, characterDataOldValue: true})');
    shouldThrow('observer.observe(document.body, {characterData: true, attributeFilter: ["id"]})');
}

description('Test that WebKitMutationObserver.observe throws exceptions appropriately');

runTest();
</script>
<script src="../../../resources/js-test-post.js"></script>
</body>
</html>