blob: 97f461c863364f971811cc295d3245edf1552348 [file] [log] [blame]
<!DOCTYPE html>
<script src="../../../resources/js-test-pre.js"></script>
<script>
description('Test that WebKitMutationObserver.disconnect cancels pending delivery');
window.jsTestIsAsync = true;
var mutations;
var observer;
function start() {
mutations = null;
div = document.createElement('div');
observer = new MutationObserver(function(m) {
mutations = m;
});
observer.observe(div, { attributes: true });
div.setAttribute('foo', 'bar');
observer.disconnect();
setTimeout(next, 0);
}
function next() {
debug('Disconnecting should cancel any pending delivery...');
shouldBeNull('mutations');
observer.observe(div, { attributes: true });
div.setAttribute('bar', 'baz');
setTimeout(finish, 0);
}
function finish() {
debug('...and re-observing should not see any of the previously-generated records.');
shouldBe('mutations.length', '1');
shouldBe('mutations[0].attributeName', '"bar"');
finishJSTest();
}
start();
</script>
<script src="../../../resources/js-test-post.js"></script>