<html>
<link rel="import" href="../resources/chai.html" />
<link rel="import" href="../resources/mocha.html" />
<script>
describe('MutationObserver', function() {
    it('should pass the callback and observer arguments', function(done) {
        var mutationObserver = new MutationObserver(function(mutations, observer) {
            assert.equal(this, mutationObserver);
            assert.equal(mutationObserver, observer);
            done();
        });
        var div = document.createElement('div');
        mutationObserver.observe(div, {attributes: true});
        div.setAttribute('foo', 'bar');
    });
});
</script>
</html>