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