<!DOCTYPE html>
<script src="../../../resources/js-test.js"></script>
<script>
window.jsTestIsAsync = true;
var mutations, mutations2, mutationsWithOldValue;
var calls;
var div;
function testBasic() {
var div;
var observer;
function start() {
debug('Testing basic aspects of attribute observation.');
mutations = null;
div = document.createElement('div');
div.setAttribute('bar', 'foo');
observer = new MutationObserver(function(m) {
mutations = m;
});
observer.observe(div, { attributes: true, characterData: true });
div.setAttribute('foo', 'bar');
div.removeAttribute('bar');
setTimeout(checkDisconnectAndMutate, 0);
}
function checkDisconnectAndMutate() {
debug('...can attribute changes be observed at all');
shouldBe('mutations.length', '2');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].attributeNamespace', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"bar"');
shouldBe('mutations[1].attributeNamespace', 'null');
mutations = null;
observer.disconnect();
div.setAttribute('foo', 'baz');
setTimeout(checkNotDeliveredAndMutateMultiple, 0);
}
function checkNotDeliveredAndMutateMultiple() {
debug('...observer.disconnect() should prevent further delivery of mutations.');
shouldBe('mutations', 'null');
observer.observe(div, { attributes: true });
div.setAttribute('foo', 'bat');
div.setAttribute('bar', 'foo');
setTimeout(finish);
}
function finish() {
debug('...re-observing after disconnect works with the same observer.');
shouldBe('mutations.length', '2');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].attributeNamespace', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"bar"');
shouldBe('mutations[1].attributeNamespace', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testWrongType() {
var div;
var observer;
function start() {
debug('Testing that observing without specifying "attributes" does not result in hearing about attribute changes.');
mutations = null;
div = document.createElement('div');
observer = new MutationObserver(function(m) {
mutations = m;
});
observer.observe(div, { childList: true, characterData: true });
div.setAttribute('foo', 'bar');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testMultipleRegistration() {
var div;
var observer;
function start() {
debug('Testing that re-observing the same node with the same observer has the effect of resetting the options.');
calls = 0;
mutations = null;
div = document.createElement('div');
observer = new MutationObserver(function(m) {
mutations = m;
calls++;
});
observer.observe(div, { attributes: true, characterData: true });
observer.observe(div, { attributes: true });
div.setAttribute('foo', 'bar');
setTimeout(checkDisconnectAndMutate, 0);
}
function checkDisconnectAndMutate() {
shouldBe('calls', '1');
shouldBe('mutations.length', '1');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
mutations = null;
observer.observe(div, { attributes: true, characterData: true });
observer.observe(div, { childList: true });
div.setAttribute('foo', 'baz');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testMultipleObservers() {
var div;
var observer;
var observer2;
function start() {
debug('Testing that multiple observers can be registered to a given node and both receive mutations.');
mutations = null;
div = document.createElement('div');
observer = new MutationObserver(function(m) {
mutations = m;
});
observer2 = new MutationObserver(function(m) {
mutations2 = m;
});
observer.observe(div, { attributes: true });
observer2.observe(div, { attributes: true });
div.setAttribute('foo', 'bar');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '1');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations2.length', '1');
shouldBe('mutations2[0].type', '"attributes"');
shouldBe('mutations2[0].attributeName', '"foo"');
observer.disconnect();
observer2.disconnect();
debug('');
runNextTest();
}
start();
}
function testNamespaceURI() {
var div;
var observer;
function start() {
debug('Testing that "attributeNamespace" value is delivered properly.');
mutations = null;
div = document.createElement('div');
observer = new MutationObserver(function(m) {
mutations = m;
});
observer.observe(div, { attributes: true, childList: true });
div.setAttributeNS('http://www.foo.com/bar', 'foo', 'bar');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '1');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].attributeNamespace', '"http://www.foo.com/bar"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testPropertyAccess() {
var img, a;
var observer;
function start() {
debug('Testing that modifications to node properties which delegate to attribute storage deliver mutations.');
mutations = null;
img = document.createElement('img');
a = document.createElement('a');
observer = new MutationObserver(function(m) {
mutations = m;
});
observer.observe(img, { attributes: true });
observer.observe(a, { attributes: true });
img.src = 'baz.png';
a.href = 'foo.html';
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '2');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"src"');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"href"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testOrderingWrtDOMSubtreeModified() {
var div, div2, subDiv;
var observer;
var listener;
function start() {
debug('Testing mutation records are enqueued for attributes before DOMSubtreeModified is dispatched.');
mutations = null;
div = document.body.appendChild(document.createElement('div'));
div2 = document.body.appendChild(document.createElement('div'));
subDiv = div.appendChild(document.createElement('div'));
observer = new MutationObserver(function(m) {
mutations = m;
});
listener = function(e) {
div2.setAttribute('baz', 'bat');
}
div.addEventListener('DOMSubtreeModified', listener);
observer.observe(subDiv, { attributes: true });
observer.observe(div2, { attributes: true });
subDiv.setAttribute('foo', 'bar');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '2');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"baz"');
div.removeEventListener('DOMSubtreeModified', listener);
document.body.removeChild(div);
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testOldValue() {
var div;
var observer;
function start() {
debug('Testing basic oldValue delivery.');
mutations = null;
div = document.createElement('div');
div.setAttribute('bar', 'boo');
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
observer.observe(div, { attributes: true, attributeOldValue: true });
div.setAttribute('foo', 'bar');
div.setAttribute('foo', 'baz');
div.removeAttribute('bar');
div.removeAttribute('non-existant');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].oldValue', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"foo"');
shouldBe('mutations[1].oldValue', '"bar"');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"bar"');
shouldBe('mutations[2].oldValue', '"boo"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testOldValueAsRequested() {
var div;
var observerWithOldValue;
var observer;
function start() {
debug('Testing that oldValue is delivered as requested (or not).');
mutationsWithOldValue = null;
mutations = null;
div = document.createElement('div');
div.setAttribute('foo', 'bar');
observerWithOldValue = new MutationObserver(function(mutations) {
window.mutationsWithOldValue = mutations;
});
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
observerWithOldValue.observe(div, { attributes: true, attributeOldValue: true });
observer.observe(div, { attributes: true });
div.setAttribute('foo', 'baz');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutationsWithOldValue.length', '1');
shouldBe('mutationsWithOldValue[0].type', '"attributes"');
shouldBe('mutationsWithOldValue[0].attributeName', '"foo"');
shouldBe('mutationsWithOldValue[0].oldValue', '"bar"');
shouldBe('mutations.length', '1');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].oldValue', 'null');
observerWithOldValue.disconnect();
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testOldValueUnionMultipleObservations() {
var div;
var span;
var observer;
function start() {
debug('An observer with multiple observations will get attributeOldValue if any entries request it.');
mutations = null;
div = document.createElement('div');
span = div.appendChild(document.createElement('span'));
span.setAttribute('foo', 'bar');
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
observer.observe(div, { attributes: true, attributeOldValue: true, subtree: true });
observer.observe(span, { attributes: true });
span.setAttribute('foo', 'baz');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '1');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].oldValue', '"bar"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testIDLAttribute() {
var div;
var observer;
function start() {
debug('Testing setting an attribute via reflected IDL attribute.');
mutations = null;
div = document.createElement('div');
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
observer.observe(div, { attributes: true, attributeOldValue: true });
div.id = 'foo';
div.id = 'bar';
div.id = null;
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"id"');
shouldBe('mutations[0].oldValue', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"id"');
shouldBe('mutations[1].oldValue', '"foo"');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"id"');
shouldBe('mutations[2].oldValue', '"bar"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testAttributeFilter() {
var div, path;
var observer;
function start() {
debug('Testing that attributeFilter works as expected and observes case with HTML elements.');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
div = document.createElement('div');
observer.observe(div, { attributes: true, attributeFilter: ['foo', 'bar', 'booM'] });
div.setAttribute('foo', 'foo');
div.setAttribute('bar', 'bar');
div.setAttribute('baz', 'baz');
div.setAttribute('BOOm', 'boom');
setTimeout(finish, 0);
}
function finish() {
debug('...only foo and bar should be received.');
shouldBe('mutations.length', '2');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].attributeNamespace', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"bar"');
shouldBe('mutations[1].attributeNamespace', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testAttributeFilterSubtree() {
var div, div2, div3;
var observer;
function start() {
debug('Testing the behavior of attributeFilter when the same observer observes at multiple nodes in a subtree with different filter options.');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
div = document.createElement('div');
div2 = div.appendChild(document.createElement('div'));
div3 = div2.appendChild(document.createElement('div'));
observer.observe(div, { attributes: true, subtree: true, attributeFilter: ['foo', 'bar'] });
observer.observe(div2, { attributes: true, subtree: true, attributeFilter: ['bar', 'bat'] });
div3.setAttribute('foo', 'foo');
div3.setAttribute('bar', 'bar');
div3.setAttribute('bat', 'bat');
div3.setAttribute('baz', 'baz');
setTimeout(checkAndObserveAll, 0);
}
function checkAndObserveAll() {
debug('...only foo, bar & bat should be received.');
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"foo"');
shouldBe('mutations[0].attributeNamespace', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"bar"');
shouldBe('mutations[1].attributeNamespace', 'null');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"bat"');
shouldBe('mutations[2].attributeNamespace', 'null');
observer.observe(div2, { attributes: true, subtree: true });
div3.setAttribute('bar', 'bar');
div3.setAttribute('bat', 'bat');
div3.setAttribute('baz', 'baz');
setTimeout(finish, 0);
}
function finish() {
debug('...bar, bat & baz should all be received.');
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"bar"');
shouldBe('mutations[0].attributeNamespace', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"bat"');
shouldBe('mutations[1].attributeNamespace', 'null');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"baz"');
shouldBe('mutations[2].attributeNamespace', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testAttributeFilterNonHTMLElement() {
var path;
var observer;
function start() {
debug('Testing that setting an attributeFilter filters out namespaced attributes.');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
observer.observe(path, { attributes: true, attributeFilter: ['pathLength'] });
path.setAttributeNS('http://www.w3.org/2000/svg', 'pathLength', '200');
setTimeout(finish, 0);
}
function finish() {
debug('...pathLength should not be received.');
shouldBeNull('mutations');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testAttributeFilterNonHTMLDocument() {
var svgDoc, div, path;
var observer;
function start() {
debug('Testing that attributeFilter respects case with non-HTML elements.');
svgDoc = document.implementation.createDocument('http://www.w3.org/2000/svg', 'svg');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
div = svgDoc.createElement('div');
observer.observe(div, { attributes: true, attributeFilter: ['ID', 'id', 'booM'] });
div.setAttribute('ID', 'ID');
div.setAttribute('id', 'id');
div.setAttribute('baz', 'baz');
div.setAttribute('booM', 'boom');
div.setAttribute('BOOm', 'boom');
setTimeout(finish, 0);
}
function finish() {
debug('...only ID, id, booM should be received.');
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"ID"');
shouldBe('mutations[0].attributeNamespace', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"id"');
shouldBe('mutations[1].attributeNamespace', 'null');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"booM"');
shouldBe('mutations[2].attributeNamespace', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testStyleAttributePropertyAccess() {
var div, path;
var observer;
function start() {
debug('Testing that modifying an elements style property dispatches Mutation Records.');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
div = document.createElement('div');
div.setAttribute('style', 'color: yellow; width: 100px;');
observer.observe(div, { attributes: true });
div.style.color = 'red';
div.style.width = '200px';
div.style.color = 'blue';
setTimeout(checkAndContinue, 0);
}
function checkAndContinue() {
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"style"');
shouldBe('mutations[0].oldValue', 'null');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"style"');
shouldBe('mutations[1].oldValue', 'null');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"style"');
shouldBe('mutations[2].oldValue', 'null');
mutations = null;
div.getAttribute('style');
setTimeout(finish, 0);
}
function finish() {
debug('...mutation record created.');
shouldBe('mutations', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testStyleAttributePropertyAccessOldValue() {
var div, path;
var observer;
function start() {
debug('Testing that modifying an elements style property dispatches Mutation Records with correct oldValues.');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
div = document.createElement('div');
div.setAttribute('style', 'color: yellow; width: 100px;');
observer.observe(div, { attributes: true, attributeOldValue: true });
div.style.color = 'red';
div.style.width = '200px';
div.style.color = 'blue';
setTimeout(checkAndContinue, 0);
}
function checkAndContinue() {
shouldBe('mutations.length', '3');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"style"');
shouldBe('mutations[0].oldValue', '"color: yellow; width: 100px;"');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"style"');
shouldBe('mutations[1].oldValue', '"color: red; width: 100px;"');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"style"');
shouldBe('mutations[2].oldValue', '"color: red; width: 200px;"');
mutations = null;
div.getAttribute('style');
setTimeout(finish, 0);
}
function finish() {
debug('...mutation record created.');
shouldBe('mutations', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testStyleAttributePropertyAccessIgnoreNoop() {
var div, path;
var observer;
function start() {
debug('Testing that a no-op style property mutation does not create Mutation Records.');
mutations = null;
observer = new MutationObserver(function(m) {
mutations = m;
});
div = document.createElement('div');
div.setAttribute('style', 'color: yellow; width: 100px;');
observer.observe(div, { attributes: true });
div.style.removeProperty('height');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations', 'null');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testMutateThroughAttrNodeValue() {
var observer;
function start() {
debug('Test that mutating an attribute through an attr node delivers mutation records');
mutations = null;
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
div = document.createElement('div');
div.setAttribute('data-test', 'foo');
observer.observe(div, { attributes: true, attributeOldValue: true });
div.attributes['data-test'].value = 'bar';
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '1');
shouldBe('mutations[0].target', 'div');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"data-test"');
shouldBe('mutations[0].oldValue', '"foo"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testSetAndRemoveAttributeNode() {
var observer;
function start() {
debug('Test that mutating via setAttributeNode delivers mutation records');
mutations = null;
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
div = document.createElement('div');
div.id = 'myId';
div.setAttribute('data-test', 'foo');
observer.observe(div, { attributes: true, attributeOldValue: true });
var attr = document.createAttribute('data-test');
attr.value = 'bar';
div.setAttributeNode(attr);
attr = document.createAttribute('data-other');
attr.value = 'baz';
div.setAttributeNode(attr);
div.removeAttributeNode(div.attributes['id']);
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '3');
shouldBe('mutations[0].target', 'div');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"data-test"');
shouldBe('mutations[0].oldValue', '"foo"');
shouldBe('mutations[1].target', 'div');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"data-other"');
shouldBe('mutations[1].oldValue', 'null');
shouldBe('mutations[2].target', 'div');
shouldBe('mutations[2].type', '"attributes"');
shouldBe('mutations[2].attributeName', '"id"');
shouldBe('mutations[2].oldValue', '"myId"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testMixedNodeAndElementOperations() {
var observer;
function start() {
debug('Test that setAttribute on an attribute with an existing Attr delivers mutation records');
mutations = null;
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
div = document.createElement('div');
var attr = document.createAttribute('data-test');
attr.value = 'foo';
div.setAttributeNode(attr);
observer.observe(div, { attributes: true, attributeOldValue: true });
div.setAttribute('data-test', 'bar');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '1');
shouldBe('mutations[0].target', 'div');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"data-test"');
shouldBe('mutations[0].oldValue', '"foo"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
function testNamedNodeMapOperations() {
var observer;
function start() {
debug('Test that setNamedItem and removeNamedItem deliver mutation records');
mutations = null;
observer = new MutationObserver(function(mutations) {
window.mutations = mutations;
});
div = document.createElement('div');
div.setAttribute('data-test', 'foo');
observer.observe(div, { attributes: true, attributeOldValue: true });
var attr = document.createAttribute('data-test');
attr.value = 'bar';
div.attributes.setNamedItem(attr);
div.attributes.removeNamedItem('data-test');
setTimeout(finish, 0);
}
function finish() {
shouldBe('mutations.length', '2');
shouldBe('mutations[0].target', 'div');
shouldBe('mutations[0].type', '"attributes"');
shouldBe('mutations[0].attributeName', '"data-test"');
shouldBe('mutations[0].oldValue', '"foo"');
shouldBe('mutations[1].target', 'div');
shouldBe('mutations[1].type', '"attributes"');
shouldBe('mutations[1].attributeName', '"data-test"');
shouldBe('mutations[1].oldValue', '"bar"');
observer.disconnect();
debug('');
runNextTest();
}
start();
}
var tests = [
testBasic,
testWrongType,
testMultipleRegistration,
testMultipleObservers,
testNamespaceURI,
testPropertyAccess,
testOrderingWrtDOMSubtreeModified,
testOldValue,
testOldValueAsRequested,
testOldValueUnionMultipleObservations,
testIDLAttribute,
testAttributeFilter,
testAttributeFilterSubtree,
testAttributeFilterNonHTMLElement,
testAttributeFilterNonHTMLDocument,
testStyleAttributePropertyAccess,
testStyleAttributePropertyAccessOldValue,
testStyleAttributePropertyAccessIgnoreNoop,
testMutateThroughAttrNodeValue,
testSetAndRemoveAttributeNode,
testMixedNodeAndElementOperations,
testNamedNodeMapOperations
];
var testIndex = 0;
function runNextTest() {
if (testIndex < tests.length)
tests[testIndex++]();
else
finishJSTest();
}
description('Test WebKitMutationObserver.observe on attributes');
runNextTest();
</script>