mirror of
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558 lines
21 KiB
HTML
558 lines
21 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=641821
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 641821</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body onload="runTest()">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=641821">Mozilla Bug 641821</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 641821 **/
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var div = document.createElement("div");
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var M;
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if ("MozMutationObserver" in window) {
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M = window.MozMutationObserver;
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} else if ("WebKitMutationObserver" in window) {
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M = window.WebKitMutationObserver;
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} else {
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M = window.MutationObserver;
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}
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function log(str) {
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var d = document.createElement("div");
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d.textContent = str;
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if (str.indexOf("PASSED") >= 0) {
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d.setAttribute("style", "color: green;");
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} else {
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d.setAttribute("style", "color: red;");
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}
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document.getElementById("log").appendChild(d);
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}
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// Some helper functions so that this test runs also outside mochitest.
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if (!("ok" in window)) {
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window.ok = function(val, str) {
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log(str + (val ? " PASSED\n" : " FAILED\n"));
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}
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}
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if (!("is" in window)) {
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window.is = function(val, refVal, str) {
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log(str + (val == refVal? " PASSED " : " FAILED ") +
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(val != refVal ? "expected " + refVal + " got " + val + "\n" : "\n"));
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}
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}
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if (!("isnot" in window)) {
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window.isnot = function(val, refVal, str) {
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log(str + (val != refVal? " PASSED " : " FAILED ") +
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(val == refVal ? "Didn't expect " + refVal + "\n" : "\n"));
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}
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}
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if (!("SimpleTest" in window)) {
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window.SimpleTest =
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{
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finish: function() {
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document.getElementById("log").appendChild(document.createTextNode("DONE"));
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},
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waitForExplicitFinish: function() {}
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}
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}
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function then(thenFn) {
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setTimeout(function() {
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if (thenFn) {
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setTimeout(thenFn, 0);
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} else {
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SimpleTest.finish();
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}
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}, 0);
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}
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var m;
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var m2;
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var m3;
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var m4;
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// Checks basic parameter validation and normal 'this' handling.
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// Tests also basic attribute handling.
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function runTest() {
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m = new M(function(){});
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ok(m, "MutationObserver supported");
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var e = null;
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try {
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m.observe(document, {});
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} catch (ex) {
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e = ex;
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}
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ok(e, "Should have thrown an exception");
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is(e.name, "SyntaxError", "Should have thrown SyntaxError");
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is(e.code, DOMException.SYNTAX_ERR, "Should have thrown DOMException.SYNTAX_ERR");
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e = null;
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try {
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m.observe(document, { childList: true, attributeOldValue: true });
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} catch (ex) {
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e = ex;
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}
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ok(e, "Should have thrown an exception");
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is(e.name, "SyntaxError", "Should have thrown SyntaxError");
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is(e.code, DOMException.SYNTAX_ERR, "Should have thrown DOMException.SYNTAX_ERR");
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e = null;
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try {
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m.observe(document, { childList: true, attributeFilter: ["foo"] });
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} catch (ex) {
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e = ex;
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}
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ok(e, "Should have thrown an exception");
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is(e.name, "SyntaxError", "Should have thrown SyntaxError");
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is(e.code, DOMException.SYNTAX_ERR, "Should have thrown DOMException.SYNTAX_ERR");
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e = null;
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try {
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m.observe(document, { childList: true, characterDataOldValue: true });
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} catch (ex) {
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e = ex;
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}
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ok(e, "Should have thrown an exception");
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is(e.name, "SyntaxError", "Should have thrown SyntaxError");
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is(e.code, DOMException.SYNTAX_ERR, "Should have thrown DOMException.SYNTAX_ERR");
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e = null;
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try {
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m.observe(document);
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} catch (ex) {
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e = ex;
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}
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ok(e, "Should have thrown an exception");
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m = new M(function(records, observer) {
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is(observer, m, "2nd parameter should be the mutation observer");
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is(observer, this, "2nd parameter should be 'this'");
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is(records.length, 1, "Should have one record.");
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is(records[0].type, "attributes", "Should have got attributes record");
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is(records[0].target, div, "Should have got div as target");
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is(records[0].attributeName, "foo", "Should have got record about foo attribute");
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observer.disconnect();
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then(testThisBind);
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m = null;
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});
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m.observe(div, { attributes: true});
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div.setAttribute("foo", "bar");
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}
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// 'this' handling when fn.bind() is used.
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function testThisBind() {
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var child = div.appendChild(document.createElement("div"));
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var gchild = child.appendChild(document.createElement("div"));
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m = new M((function(records, observer) {
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is(observer, m, "2nd parameter should be the mutation observer");
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isnot(observer, this, "2nd parameter should be 'this'");
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is(records.length, 3, "Should have one record.");
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is(records[0].type, "attributes", "Should have got attributes record");
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is(records[0].target, div, "Should have got div as target");
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is(records[0].attributeName, "foo", "Should have got record about foo attribute");
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is(records[0].oldValue, "bar", "oldValue should be bar");
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is(records[1].type, "attributes", "Should have got attributes record");
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is(records[1].target, div, "Should have got div as target");
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is(records[1].attributeName, "foo", "Should have got record about foo attribute");
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is(records[1].oldValue, "bar2", "oldValue should be bar2");
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is(records[2].type, "attributes", "Should have got attributes record");
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is(records[2].target, gchild, "Should have got div as target");
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is(records[2].attributeName, "foo", "Should have got record about foo attribute");
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is(records[2].oldValue, null, "oldValue should be bar2");
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observer.disconnect();
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then(testCharacterData);
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m = null;
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}).bind(window));
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m.observe(div, { attributes: true, attributeOldValue: true, subtree: true });
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div.setAttribute("foo", "bar2");
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div.removeAttribute("foo");
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div.removeChild(child);
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child.removeChild(gchild);
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div.appendChild(gchild);
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div.removeChild(gchild);
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gchild.setAttribute("foo", "bar");
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}
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function testCharacterData() {
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m = new M(function(records, observer) {
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is(records[0].type, "characterData", "Should have got characterData");
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is(records[0].oldValue, null, "Shouldn't have got oldData");
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observer.disconnect();
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m = null;
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});
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m2 = new M(function(records, observer) {
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is(records[0].type, "characterData", "Should have got characterData");
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is(records[0].oldValue, "foo", "Should have got oldData");
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observer.disconnect();
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m2 = null;
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});
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m3 = new M(function(records, observer) {
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ok(false, "This should not be called!");
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observer.disconnect();
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m3 = null;
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});
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m4 = new M(function(records, observer) {
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is(records[0].oldValue, null, "Shouldn't have got oldData");
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observer.disconnect();
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m3.disconnect();
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m3 = null;
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then(testChildList);
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m4 = null;
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});
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div.appendChild(document.createTextNode("foo"));
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m.observe(div, { characterData: true, subtree: true });
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m2.observe(div, { characterData: true, characterDataOldValue: true, subtree: true});
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// If observing the same node twice, only the latter option should apply.
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m3.observe(div, { characterData: true, subtree: true });
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m3.observe(div, { characterData: true, subtree: false });
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m4.observe(div.firstChild, { characterData: true, subtree: false });
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div.firstChild.data = "bar";
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}
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function testChildList() {
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var fc = div.firstChild;
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m = new M(function(records, observer) {
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is(records[0].type, "childList", "Should have got childList");
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is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes");
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is(records[0].removedNodes.length, 1, "Should have got removedNodes");
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is(records[0].removedNodes[0], fc, "Should have removed a text node");
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observer.disconnect();
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then(testChildList2);
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m = null;
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});
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m.observe(div, { childList: true});
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div.removeChild(div.firstChild);
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}
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function testChildList2() {
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div.innerHTML = "<span>1</span><span>2</span>";
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m = new M(function(records, observer) {
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is(records[0].type, "childList", "Should have got childList");
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is(records[0].removedNodes.length, 2, "Should have got removedNodes");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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observer.disconnect();
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then(testChildList3);
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m = null;
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});
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m.observe(div, { childList: true });
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div.innerHTML = "<span><span>foo</span></span>";
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}
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function testChildList3() {
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m = new M(function(records, observer) {
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is(records[0].type, "childList", "Should have got childList");
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is(records[0].removedNodes.length, 1, "Should have got removedNodes");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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observer.disconnect();
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then(testChildList4);
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m = null;
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});
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m.observe(div, { childList: true });
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div.textContent = "hello";
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}
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function testChildList4() {
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div.textContent = null;
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var df = document.createDocumentFragment();
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var t1 = df.appendChild(document.createTextNode("Hello "));
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var t2 = df.appendChild(document.createTextNode("world!"));
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var s1 = div.appendChild(document.createElement("span"));
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s1.textContent = "foo";
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var s2 = div.appendChild(document.createElement("span"));
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m = new M(function(records, observer) {
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is(records.length, 3, "Should have got one record for removing nodes from document fragment and one record for adding them to div");
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is(records[0].removedNodes.length, 2, "Should have got removedNodes");
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is(records[0].removedNodes[0], t1, "Should be the 1st textnode");
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is(records[0].removedNodes[1], t2, "Should be the 2nd textnode");
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is(records[1].addedNodes.length, 2, "Should have got addedNodes");
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is(records[1].addedNodes[0], t1, "Should be the 1st textnode");
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is(records[1].addedNodes[1], t2, "Should be the 2nd textnode");
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is(records[1].previousSibling, s1, "Should have previousSibling");
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is(records[1].nextSibling, s2, "Should have nextSibling");
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is(records[2].type, "characterData", "3rd record should be characterData");
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is(records[2].target, t1, "target should be the textnode");
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is(records[2].oldValue, "Hello ", "oldValue was 'Hello '");
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observer.disconnect();
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then(testChildList5);
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m = null;
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});
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m.observe(df, { childList: true, characterData: true, characterDataOldValue: true, subtree: true });
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m.observe(div, { childList: true });
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// Make sure transient observers aren't leaked.
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var leakTest = new M(function(){});
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leakTest.observe(div, { characterData: true, subtree: true });
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div.insertBefore(df, s2);
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s1.firstChild.data = "bar"; // This should *not* create a record.
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t1.data = "Hello the whole "; // This should create a record.
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}
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function testChildList5() {
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div.textContent = null;
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var c1 = div.appendChild(document.createElement("div"));
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var c2 = document.createElement("div");
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var div2 = document.createElement("div");
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var c3 = div2.appendChild(document.createElement("div"));
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var c4 = document.createElement("div");
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var c5 = document.createElement("div");
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var df = document.createDocumentFragment();
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var dfc1 = df.appendChild(document.createElement("div"));
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var dfc2 = df.appendChild(document.createElement("div"));
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var dfc3 = df.appendChild(document.createElement("div"));
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m = new M(function(records, observer) {
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is(records.length, 6 , "");
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is(records[0].removedNodes.length, 1, "Should have got removedNodes");
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is(records[0].removedNodes[0], c1, "");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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is(records[0].addedNodes[0], c2, "");
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is(records[0].previousSibling, null, "");
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is(records[0].nextSibling, null, "");
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is(records[1].removedNodes.length, 1, "Should have got removedNodes");
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is(records[1].removedNodes[0], c3, "");
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is(records[1].addedNodes.length, 0, "Shouldn't have got addedNodes");
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is(records[1].previousSibling, null, "");
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is(records[1].nextSibling, null, "");
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is(records[2].removedNodes.length, 1, "Should have got removedNodes");
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is(records[2].removedNodes[0], c2, "");
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is(records[2].addedNodes.length, 1, "Should have got addedNodes");
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is(records[2].addedNodes[0], c3, "");
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is(records[2].previousSibling, null, "");
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is(records[2].nextSibling, null, "");
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// Check document fragment handling
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is(records[5].removedNodes.length, 1, "");
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is(records[5].removedNodes[0], c4, "");
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is(records[5].addedNodes.length, 3, "");
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is(records[5].addedNodes[0], dfc1, "");
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is(records[5].addedNodes[1], dfc2, "");
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is(records[5].addedNodes[2], dfc3, "");
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is(records[5].previousSibling, c3, "");
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is(records[5].nextSibling, c5, "");
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observer.disconnect();
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then(testAdoptNode);
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m = null;
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});
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m.observe(div, { childList: true, subtree: true });
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m.observe(div2, { childList: true, subtree: true });
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div.replaceChild(c2, c1);
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div.replaceChild(c3, c2);
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div.appendChild(c4);
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div.appendChild(c5);
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div.replaceChild(df, c4);
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}
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function testAdoptNode() {
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var d1 = document.implementation.createHTMLDocument(null);
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var d2 = document.implementation.createHTMLDocument(null);
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var addedNode;
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m = new M(function(records, observer) {
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is(records.length, 3, "Should have 2 records");
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is(records[0].target.ownerDocument, d1, "ownerDocument should be the initial document")
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is(records[1].target.ownerDocument, d2, "ownerDocument should be the new document");
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is(records[2].type, "attributes", "Should have got attribute mutation")
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is(records[2].attributeName, "foo", "Should have got foo attribute mutation")
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observer.disconnect();
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then(testOuterHTML);
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m = null;
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});
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m.observe(d1, { childList: true, subtree: true, attributes: true });
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d2.body.appendChild(d1.body);
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addedNode = d2.body.lastChild.appendChild(d2.createElement("div"));
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addedNode.setAttribute("foo", "bar");
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}
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function testOuterHTML() {
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var doc = document.implementation.createHTMLDocument(null);
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var d1 = doc.body.appendChild(document.createElement("div"));
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var d2 = doc.body.appendChild(document.createElement("div"));
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var d3 = doc.body.appendChild(document.createElement("div"));
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m = new M(function(records, observer) {
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is(records.length, 3, "Should have 1 record");
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is(records[0].removedNodes.length, 1, "Should have 1 removed nodes");
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is(records[0].addedNodes.length, 2, "Should have 2 added nodes");
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is(records[0].previousSibling, null, "");
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is(records[0].nextSibling, d2, "");
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is(records[1].removedNodes.length, 1, "Should have 1 removed nodes");
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is(records[1].addedNodes.length, 2, "Should have 2 added nodes");
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is(records[1].previousSibling, records[0].addedNodes[1], "");
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is(records[1].nextSibling, d3, "");
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is(records[2].removedNodes.length, 1, "Should have 1 removed nodes");
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is(records[2].addedNodes.length, 2, "Should have 2 added nodes");
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is(records[2].previousSibling, records[1].addedNodes[1], "");
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is(records[2].nextSibling, null, "");
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observer.disconnect();
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then(testInsertAdjacentHTML);
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m = null;
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});
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m.observe(doc, { childList: true, subtree: true });
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d1.outerHTML = "<div>1</div><div>1</div>";
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d2.outerHTML = "<div>2</div><div>2</div>";
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d3.outerHTML = "<div>3</div><div>3</div>";
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}
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function testInsertAdjacentHTML() {
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var doc = document.implementation.createHTMLDocument(null);
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var d1 = doc.body.appendChild(document.createElement("div"));
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var d2 = doc.body.appendChild(document.createElement("div"));
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var d3 = doc.body.appendChild(document.createElement("div"));
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var d4 = doc.body.appendChild(document.createElement("div"));
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m = new M(function(records, observer) {
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is(records.length, 4, "");
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is(records[0].target, doc.body, "");
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is(records[0].previousSibling, null, "");
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is(records[0].nextSibling, d1, "");
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is(records[1].target, d2, "");
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is(records[1].previousSibling, null, "");
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is(records[1].nextSibling, null, "");
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is(records[2].target, d3, "");
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is(records[2].previousSibling, null, "");
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is(records[2].nextSibling, null, "");
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is(records[3].target, doc.body, "");
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is(records[3].previousSibling, d4, "");
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is(records[3].nextSibling, null, "");
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observer.disconnect();
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then(testSyncXHR);
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m = null;
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});
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m.observe(doc, { childList: true, subtree: true });
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d1.insertAdjacentHTML("beforebegin", "<div></div><div></div>");
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d2.insertAdjacentHTML("afterbegin", "<div></div><div></div>");
|
|
d3.insertAdjacentHTML("beforeend", "<div></div><div></div>");
|
|
d4.insertAdjacentHTML("afterend", "<div></div><div></div>");
|
|
}
|
|
|
|
|
|
var callbackHandled = false;
|
|
|
|
function testSyncXHR() {
|
|
div.textContent = null;
|
|
m = new M(function(records, observer) {
|
|
is(records.length, 1, "");
|
|
is(records[0].addedNodes.length, 1, "");
|
|
callbackHandled = true;
|
|
observer.disconnect();
|
|
m = null;
|
|
});
|
|
m.observe(div, { childList: true, subtree: true });
|
|
div.innerHTML = "<div>hello</div>";
|
|
var x = new XMLHttpRequest();
|
|
x.open("GET", window.location, false);
|
|
x.send();
|
|
ok(!callbackHandled, "Shouldn't have called the mutation callback!");
|
|
setTimeout(testSyncXHR2, 0);
|
|
}
|
|
|
|
function testSyncXHR2() {
|
|
ok(callbackHandled, "Should have called the mutation callback!");
|
|
then(testModalDialog);
|
|
}
|
|
|
|
function testModalDialog() {
|
|
var didHandleCallback = false;
|
|
div.innerHTML = "<span>1</span><span>2</span>";
|
|
m = new M(function(records, observer) {
|
|
is(records[0].type, "childList", "Should have got childList");
|
|
is(records[0].removedNodes.length, 2, "Should have got removedNodes");
|
|
is(records[0].addedNodes.length, 1, "Should have got addedNodes");
|
|
observer.disconnect();
|
|
m = null;
|
|
didHandleCallback = true;
|
|
});
|
|
m.observe(div, { childList: true });
|
|
div.innerHTML = "<span><span>foo</span></span>";
|
|
window.showModalDialog("mutationobserver_dialog.html");
|
|
ok(didHandleCallback, "Should have called the callback while showing modal dialog!");
|
|
then(testTakeRecords);
|
|
}
|
|
|
|
function testTakeRecords() {
|
|
var s = "<span>1</span><span>2</span>";
|
|
div.innerHTML = s;
|
|
var takenRecords;
|
|
m = new M(function(records, observer) {
|
|
is(records.length, 3, "Should have got 3 records");
|
|
|
|
is(records[0].type, "attributes", "Should have got attributes");
|
|
is(records[0].attributeName, "foo", "");
|
|
is(records[1].type, "childList", "Should have got childList");
|
|
is(records[1].removedNodes.length, 2, "Should have got removedNodes");
|
|
is(records[1].addedNodes.length, 2, "Should have got addedNodes");
|
|
is(records[2].type, "attributes", "Should have got attributes");
|
|
is(records[2].attributeName, "foo", "");
|
|
|
|
is(records.length, takenRecords.length, "Should have had similar mutations");
|
|
is(records[0].type, takenRecords[0].type, "Should have had similar mutations");
|
|
is(records[1].type, takenRecords[1].type, "Should have had similar mutations");
|
|
is(records[2].type, takenRecords[2].type, "Should have had similar mutations");
|
|
|
|
is(records[1].removedNodes.length, takenRecords[1].removedNodes.length, "Should have had similar mutations");
|
|
is(records[1].addedNodes.length, takenRecords[1].addedNodes.length, "Should have had similar mutations");
|
|
|
|
is(m.takeRecords().length, 0, "Shouldn't have any records");
|
|
observer.disconnect();
|
|
then(testMutationObserverAndEvents);
|
|
m = null;
|
|
});
|
|
m.observe(div, { childList: true, attributes: true });
|
|
div.setAttribute("foo", "bar");
|
|
div.innerHTML = s;
|
|
div.removeAttribute("foo");
|
|
takenRecords = m.takeRecords();
|
|
div.setAttribute("foo", "bar");
|
|
div.innerHTML = s;
|
|
div.removeAttribute("foo");
|
|
}
|
|
|
|
function testTakeRecords() {
|
|
m = new M(function(records, observer) {
|
|
is(records.length, 2, "Should have got 2 records");
|
|
is(records[0].type, "attributes", "Should have got attributes");
|
|
is(records[0].attributeName, "foo", "");
|
|
is(records[0].oldValue, null, "");
|
|
is(records[1].type, "attributes", "Should have got attributes");
|
|
is(records[1].attributeName, "foo", "");
|
|
is(records[1].oldValue, "bar", "");
|
|
observer.disconnect();
|
|
then();
|
|
m = null;
|
|
});
|
|
m.observe(div, { attributes: true, attributeOldValue: true });
|
|
var mutationEventCount = 0;
|
|
div.addEventListener("DOMAttrModified",
|
|
function(e) {
|
|
++mutationEventCount;
|
|
is(e.attrChange, MutationEvent.ADDITION, "unexpected change");
|
|
});
|
|
div.setAttribute("foo", "bar");
|
|
div.setAttribute("foo", "bar");
|
|
is(mutationEventCount, 1, "Should have got only one mutation event!");
|
|
}
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
|
|
</script>
|
|
</pre>
|
|
<div id="log">
|
|
</div>
|
|
</body>
|
|
</html>
|