| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../../../resources/js-test.js"></script> |
| <title></title> |
| </head> |
| <body> |
| <p id=description></p> |
| <div id="console"></div> |
| <script> |
| |
| window.jsTestIsAsync = true; |
| var mutations; |
| |
| function testBasic() { |
| var observer; |
| |
| function start() { |
| debug('Testing takeRecords.'); |
| |
| mutations = null; |
| div = document.createElement('div'); |
| subDiv = div.appendChild(document.createElement('div')); |
| subDiv.innerHTML = 'hello, world'; |
| observer = new MutationObserver(function(mutations) { |
| window.mutations = mutations; |
| }); |
| |
| observer.observe(div, {attributes: true, characterData: true, subtree: true}); |
| subDiv.setAttribute('foo', 'bar'); |
| subDiv.firstChild.textContent = 'goodbye!'; |
| div.removeChild(subDiv); |
| |
| mutations = observer.takeRecords(); |
| |
| debug('...records are taken synchronously.'); |
| |
| shouldBe('mutations.length', '2'); |
| shouldBe('mutations[0].type', '"attributes"'); |
| shouldBe('mutations[0].target', 'subDiv'); |
| shouldBe('mutations[0].attributeName', '"foo"'); |
| shouldBe('mutations[0].attributeNamespace', 'null'); |
| shouldBe('mutations[1].type', '"characterData"'); |
| shouldBe('mutations[1].target', 'subDiv.firstChild'); |
| |
| subDiv.setAttribute('foo', 'baz'); |
| setTimeout(finish, 0); |
| } |
| |
| function finish() { |
| debug('...takeRecord took records, but did not clear transient observers'); |
| |
| shouldBe('mutations.length', '1'); |
| shouldBe('mutations[0].type', '"attributes"'); |
| shouldBe('mutations[0].target', 'subDiv'); |
| shouldBe('mutations[0].attributeName', '"foo"'); |
| observer.disconnect(); |
| debug(''); |
| runNextTest(); |
| } |
| |
| start(); |
| } |
| |
| var tests = [testBasic]; |
| var testIndex = 0; |
| |
| function runNextTest() { |
| if (testIndex < tests.length) |
| tests[testIndex++](); |
| else |
| finishJSTest(); |
| } |
| |
| description('Testing WebKitMutationObserver.takeRecords'); |
| |
| runNextTest(); |
| </script> |
| </body> |
| </html> |
