| <!DOCTYPE HTML> |
| <meta charset=utf-8> |
| <title>MutationObservers: takeRecords</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="mutationobservers.js"></script> |
| <h1>MutationObservers: document mutations</h1> |
| <div id="log"></div> |
| |
| <script id='s001'> |
| var setupTest = async_test("setup test"); |
| var insertionTest = async_test("parser insertion mutations"); |
| var insertionTest2 = async_test("parser script insertion mutation"); |
| var testCounter = 0; |
| |
| function masterMO(sequence, obs) { |
| testCounter++; |
| if (testCounter == 1) { |
| insertionTest.step( |
| function () { |
| checkRecords(document, sequence, |
| [{type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("n00") ]; |
| }, |
| previousSibling: function () { |
| return document.getElementById("s001"); |
| }, |
| target: document.body}, |
| {type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("s002") ]; |
| }, |
| previousSibling: function () { |
| return document.getElementById("n00"); |
| }, |
| target: document.body}, |
| {type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("s002").firstChild ]; |
| }, |
| target: function () { |
| return document.getElementById("s002"); |
| }}]); |
| }); |
| } else if (testCounter == 2) { |
| insertionTest2.step( |
| function () { |
| checkRecords(document, sequence, |
| [{type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("inserted_element") ]; |
| }, |
| previousSibling: function () { |
| return document.getElementById("s002"); |
| }, |
| target: document.body}, |
| {type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("inserted_script") ]; |
| }, |
| target: function () { |
| return document.getElementById("n00"); |
| }} |
| ]); |
| }); |
| } |
| } |
| var document_observer; |
| var newElement; |
| setupTest.step(function() { |
| document_observer = new MutationObserver(masterMO); |
| newElement = document.createElement("span"); |
| document_observer.observe(document, {subtree:true,childList:true}); |
| newElement.id = "inserted_element"; |
| newElement.setAttribute("style", "display: none"); |
| newElement.textContent = "my new span for n00"; |
| }); |
| </script><p id='n00'></p><script id='s002'> |
| var newScript = document.createElement("script"); |
| setupTest.step(function() { |
| newScript.textContent = "document.body.appendChild(newElement);"; |
| newScript.id = "inserted_script"; |
| document.getElementById("n00").appendChild(newScript); |
| }); |
| if (testCounter < 1) { |
| insertionTest.step( |
| function () { |
| assert_unreached("document observer did not trigger"); |
| }); |
| } |
| </script><script id='s003'> |
| setupTest.step(function() { |
| document_observer.disconnect(); |
| }); |
| if (testCounter < 2) { |
| insertionTest2.step( |
| function () { |
| assert_unreached("document observer did not trigger"); |
| }); |
| } |
| insertionTest.done(); |
| insertionTest2.done(); |
| </script> |
| |
| <p id='n012'></p><div id='d01'> |
| <script id='s011'> |
| var removalTest = async_test("removal of parent during parsing"); |
| var d01 = document.getElementById("d01"); |
| testCounter = 0; |
| |
| function removalMO(sequence, obs) { |
| testCounter++; |
| if (testCounter == 1) { |
| removalTest.step( |
| function () { |
| checkRecords(document, sequence, |
| [{type: "childList", |
| removedNodes: function () { |
| return [ d01 ]; |
| }, |
| previousSibling: function () { |
| return document.getElementById("n012"); |
| }, |
| target: document.body}]); |
| }); |
| } else if (testCounter == 2) { |
| removalTest.step( |
| function () { |
| checkRecords(document, sequence, |
| [{type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("s012") ]; |
| }, |
| previousSibling: function () { |
| return document.getElementById("n012"); |
| }, |
| target: document.body}, |
| {type: "childList", |
| addedNodes: function () { |
| return [ document.getElementById("s012").firstChild ]; |
| }, |
| target: function () { |
| return document.getElementById("s012"); |
| }}]); |
| }); |
| } |
| } |
| var document2_observer; |
| setupTest.step(function() { |
| document2_observer = new MutationObserver(removalMO); |
| document2_observer.observe(document, {subtree:true,childList:true}); |
| d01.parentNode.removeChild(d01); |
| }); |
| </script><p id='n01'></p></div><script id='s012'> |
| setupTest.step(function() { |
| document2_observer.disconnect(); |
| }); |
| if (testCounter < 2) { |
| removalTest.step( |
| function () { |
| assert_unreached("document observer did not trigger"); |
| }); |
| } |
| removalTest.done(); |
| setupTest.done(); |
| </script> |
