fast/mutation/database-callback-delivery.html

<!DOCTYPE html>
<script src="../js/resources/js-test-pre.js"></script>
<script>
window.jsTestIsAsync = true;
var mutations;

function testDatabase() {
    var div;
    var db;
    var observer;

    function start() {
        mutations = null;
        div = document.createElement('div');
        observer = new WebKitMutationObserver(function(m) {
            mutations = m;
        });

        observer.observe(div, { attributes: true, characterData: true });

        db = openDatabase('DatabaseMutationDelivery', '1.0', '', 1);
        db.transaction(mutate);
    }

    function mutate() {
        div.setAttribute('foo', 'bar');
        setTimeout(finish, 0);
    }

    function finish() {
        shouldBe('mutations.length', '1');
        shouldBe('mutations[0].type', '"attributes"');
        shouldBe('mutations[0].attributeName', '"foo"');
        observer.disconnect();
        debug('');
        finishJSTest();
    }

    start();
}

description('Testing mutations are delivered following Database transaction callbacks.');

if (!window.WebKitMutationObserver) {
    testFailed('This test requires ENABLE(MUTATION_OBSERVERS)');
    finishJSTest();
} else
    testDatabase();
</script>
<script src="../js/resources/js-test-post.js"></script>