<!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_script") ];
},
target: function () {
return document.getElementById("n00");
}},
{type: "childList",
addedNodes: function () {
return [ document.getElementById("inserted_element") ];
},
previousSibling: function () {
return document.getElementById("s002");
},
target: document.body}
]);
});
}
}
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>