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427 lines
15 KiB
HTML
427 lines
15 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=501257
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-->
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<head>
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<title>Test for the classList element attribute</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>
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<a target="_blank" href="http://www.whatwg.org/specs/web-apps/current-work/#dom-classlist">classList DOM attribute</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 501257 **/
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const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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const SVG_NS = "http://www.w3.org/2000/svg";
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const XHTML_NS = "http://www.w3.org/1999/xhtml"
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const MATHML_NS = "http://www.w3.org/1998/Math/MathML";
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var gMutationEvents = [];
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function onAttrModified(event) {
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is(event.attrName, "class", "mutation on unexpected attribute");
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gMutationEvents.push({
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attrChange: event.attrChange,
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prevValue: event.prevValue,
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newValue: event.newValue,
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});
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}
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function checkModification(e, funcName, args, expectedRes, before, after, expectedException) {
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if (!Array.isArray(args)) {
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args = [args];
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}
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var shouldThrow = typeof(expectedException) === "string";
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if (shouldThrow) {
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// If an exception is thrown, the class attribute shouldn't change.
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after = before;
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}
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if (before === null)
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e.removeAttribute("class");
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else
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e.setAttribute("class", before);
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var contextMsg = "(checkModification: funcName=" + funcName + ",args=" +
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JSON.stringify(args) + ",expectedRes=" + expectedRes +
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",before=" + before + ",after=" + after + ")";
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gMutationEvents = [];
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e.addEventListener("DOMAttrModified", onAttrModified, false);
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try {
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var list = e.classList;
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var res = list[funcName].apply(list, args);
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if (shouldThrow)
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ok(false, "classList modification didn't throw " + contextMsg);
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} catch (e) {
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if (!shouldThrow)
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ok(false, "classList modification threw an exception " + contextMsg);
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is(e.name, expectedException, "wrong exception thrown " + contextMsg);
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}
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e.removeEventListener("DOMAttrModified", onAttrModified, false);
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if (expectedRes !== null)
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is(res, expectedRes, "wrong return value from " + funcName +
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" " + contextMsg);
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var expectedAfter = after;
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// XUL returns an empty string when getting a nonexistent class attribute.
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if (e.namespaceURI == XUL_NS && expectedAfter === null)
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expectedAfter = "";
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is(e.getAttribute("class"), expectedAfter, "wrong class after modification " +
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contextMsg);
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var expectedMutation = before != after;
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is(gMutationEvents.length, expectedMutation ? 1 : 0,
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"unexpected mutation event count " + contextMsg);
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if (expectedMutation && gMutationEvents.length) {
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is(gMutationEvents[0].attrChange,
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before == null ? MutationEvent.ADDITION : MutationEvent.MODIFICATION,
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"wrong type of attribute change " + contextMsg);
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// If there wasn't any previous attribute, prevValue will return an empty
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// string.
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var expectedPrevValue = before === null ? "" : before;
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is(gMutationEvents[0].prevValue, expectedPrevValue,
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"wrong previous value " + contextMsg);
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is(gMutationEvents[0].newValue, after, "wrong new value " + contextMsg);
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}
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}
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function assignToClassListStrict(e) {
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"use strict";
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try {
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e.classList = "foo";
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ok(false, "assigning to classList didn't throw");
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} catch (e) { }
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}
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function assignToClassList(e) {
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try {
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var expect = e.classList;
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e.classList = "foo";
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is(e.classList, expect, "classList should be unchanged after assignment");
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} catch (e) {
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ok(false, "assigning to classList threw");
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}
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}
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function testClassList(e) {
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// basic tests
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isnot(e.classList, undefined, "no classList attribute");
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is(typeof(e.classList.contains), "function",
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"no classList.contains function");
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is(typeof(e.classList.add), "function", "no classList.add function");
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is(typeof(e.classList.remove), "function", "no classList.remove function");
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is(typeof(e.classList.toggle), "function", "no classList.toggle function");
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assignToClassListStrict(e);
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assignToClassList(e);
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// length attribute
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is(e.classList.length, 0, "wrong classList.length value");
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e.setAttribute("class", "");
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is(e.classList.length, 0, "wrong classList.length value");
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e.setAttribute("class", " \t \f");
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is(e.classList.length, 0, "wrong classList.length value");
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e.setAttribute("class", "a");
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is(e.classList.length, 1, "wrong classList.length value");
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e.setAttribute("class", "a A");
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is(e.classList.length, 2, "wrong classList.length value");
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e.setAttribute("class", "\r\na\t\f");
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is(e.classList.length, 1, "wrong classList.length value");
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e.setAttribute("class", "a a");
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is(e.classList.length, 2, "wrong classList.length value");
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e.setAttribute("class", "a a a a a a");
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is(e.classList.length, 6, "wrong classList.length value");
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e.setAttribute("class", "a a b b");
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is(e.classList.length, 4, "wrong classList.length value");
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e.setAttribute("class", "a A B b");
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is(e.classList.length, 4, "wrong classList.length value");
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e.setAttribute("class", "a b c c b a a b c c");
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is(e.classList.length, 10, "wrong classList.length value");
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// [Stringifies]
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ok(DOMTokenList.prototype.hasOwnProperty("toString"),
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"Should have own toString on DOMTokenList")
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ok(!DOMSettableTokenList.prototype.hasOwnProperty("toString"),
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"Should not have own toString on DOMSettableTokenList")
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e.removeAttribute("class");
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is(e.classList.toString(), "", "wrong classList.toString() value");
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is(e.classList + "", "", "wrong classList string conversion value");
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e.setAttribute("class", "foo");
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is(e.classList.toString(), "foo", "wrong classList.toString() value");
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is(e.classList + "", "foo", "wrong classList string conversion value");
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// item() method
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e.setAttribute("class", "a");
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is(e.classList.item(-1), null, "wrong classList.item() result");
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is(e.classList[-1], undefined, "wrong classList[] result");
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is(e.classList.item(0), "a", "wrong classList.item() result");
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is(e.classList[0], "a", "wrong classList[] result");
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is(e.classList.item(1), null, "wrong classList.item() result");
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is(e.classList[1], undefined, "wrong classList[] result");
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e.setAttribute("class", "aa AA aa");
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is(e.classList.item(-1), null, "wrong classList.item() result");
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is(e.classList[-1], undefined, "wrong classList[] result");
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is(e.classList.item(0), "aa", "wrong classList.item() result");
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is(e.classList[0], "aa", "wrong classList[] result");
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is(e.classList.item(1), "AA", "wrong classList.item() result");
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is(e.classList[1], "AA", "wrong classList[] result");
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is(e.classList.item(2), "aa", "wrong classList.item() result");
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is(e.classList[2], "aa", "wrong classList[] result");
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is(e.classList.item(3), null, "wrong classList.item() result");
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is(e.classList[3], undefined, "wrong classList[] result");
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is(e.classList.item(0xffffffff), null, "wrong classList.item() result");
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is(e.classList[0xffffffff], undefined, "wrong classList[] result");
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is(e.classList.item(0xfffffffe), null, "wrong classList.item() result");
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is(e.classList[0xffffffe], undefined, "wrong classList[] result");
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e.setAttribute("class", "a b");
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is(e.classList.item(-1), null, "wrong classList.item() result");
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is(e.classList[-1], undefined, "wrong classList[] result");
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is(e.classList.item(0), "a", "wrong classList.item() result");
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is(e.classList[0], "a", "wrong classList[] result");
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is(e.classList.item(1), "b", "wrong classList.item() result");
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is(e.classList[1], "b", "wrong classList[] result");
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is(e.classList.item(2), null, "wrong classList.item() result");
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is(e.classList[2], undefined, "wrong classList[] result");
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// contains() method
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e.removeAttribute("class");
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is(e.classList.contains("a"), false, "wrong classList.contains() result");
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try {
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e.classList.contains("");
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ok(false, "classList.contains() didn't throw");
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} catch (e) {
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is(e.name, "SyntaxError", "wrong exception thrown");
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is(e.code, DOMException.SYNTAX_ERR, "wrong exception thrown");
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}
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try {
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e.classList.contains(" ");
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ok(false, "classList.contains() didn't throw");
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} catch (e) {
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is(e.name, "InvalidCharacterError", "wrong exception thrown");
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is(e.code, DOMException.INVALID_CHARACTER_ERR, "wrong exception thrown");
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}
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try {
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e.classList.contains("aa ");
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ok(false, "classList.contains() didn't throw");
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} catch (e) {
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is(e.name, "InvalidCharacterError", "wrong exception thrown");
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is(e.code, DOMException.INVALID_CHARACTER_ERR, "wrong exception thrown");
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}
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e.setAttribute("class", "");
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is(e.classList.contains("a"), false, "wrong classList.contains() result");
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e.setAttribute("class", "a");
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is(e.classList.contains("a"), true, "wrong classList.contains() result");
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is(e.classList.contains("aa"), false, "wrong classList.contains() result");
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is(e.classList.contains("b"), false, "wrong classList.contains() result");
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e.setAttribute("class", "aa AA");
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is(e.classList.contains("aa"), true, "wrong classList.contains() result");
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is(e.classList.contains("AA"), true, "wrong classList.contains() result");
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is(e.classList.contains("aA"), false, "wrong classList.contains() result");
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e.setAttribute("class", "a a a");
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is(e.classList.contains("a"), true, "wrong classList.contains() result");
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is(e.classList.contains("aa"), false, "wrong classList.contains() result");
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is(e.classList.contains("b"), false, "wrong classList.contains() result");
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e.setAttribute("class", "a b c");
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is(e.classList.contains("a"), true, "wrong classList.contains() result");
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is(e.classList.contains("b"), true, "wrong classList.contains() result");
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// Test for bug 530171
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e.setAttribute("class", "null undefined");
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is(e.classList.contains(null), true, "wrong classList.contains() result");
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is(e.classList.contains(undefined), true, "wrong classList.contains() result");
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// add() method
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function checkAdd(before, argument, after, expectedException) {
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checkModification(e, "add", argument, null, before, after, expectedException);
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}
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checkAdd(null, "", null, "SyntaxError");
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checkAdd(null, ["a", ""], null, "SyntaxError");
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checkAdd(null, " ", null, "InvalidCharacterError");
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checkAdd(null, ["a", " "], null, "InvalidCharacterError");
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checkAdd(null, ["a", "aa "], null, "InvalidCharacterError");
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checkAdd("a", "a", "a");
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checkAdd("aa", "AA", "aa AA");
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checkAdd("a b c", "a", "a b c");
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checkAdd("a a a b", "a", "a a a b");
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checkAdd(null, "a", "a");
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checkAdd("", "a", "a");
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checkAdd(" ", "a", " a");
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checkAdd(" \f", "a", " \fa");
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checkAdd("a", "b", "a b");
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checkAdd("a b c", "d", "a b c d");
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checkAdd("a b c ", "d", "a b c d");
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// multiple add
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checkAdd("a b c ", ["d", "e"], "a b c d e");
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checkAdd("a b c ", ["a", "a"], "a b c ");
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checkAdd("a b c ", ["d", "d"], "a b c d");
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checkAdd("a b c ", [], "a b c ");
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checkAdd(null, ["a", "b"], "a b");
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checkAdd("", ["a", "b"], "a b");
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// Test for bug 530171
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checkAdd(null, null, "null");
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checkAdd(null, undefined, "undefined");
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// remove() method
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function checkRemove(before, argument, after, expectedException) {
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checkModification(e, "remove", argument, null, before, after, expectedException);
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}
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checkRemove(null, "", null, "SyntaxError");
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checkRemove(null, " ", null, "InvalidCharacterError");
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checkRemove(null, "aa ", null, "InvalidCharacterError");
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checkRemove(null, "a", null);
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checkRemove("", "a", "");
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checkRemove("a b c", "d", "a b c");
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checkRemove("a b c", "A", "a b c");
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checkRemove(" a a a ", "a", "");
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checkRemove("a b", "a", "b");
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checkRemove("a b ", "a", "b ");
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checkRemove("a a b", "a", "b");
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checkRemove("aa aa bb", "aa", "bb");
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checkRemove("a a b a a c a a", "a", "b c");
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checkRemove("a b c", "b", "a c");
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checkRemove("aaa bbb ccc", "bbb", "aaa ccc");
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checkRemove(" a b c ", "b", " a c ");
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checkRemove("a b b b c", "b", "a c");
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checkRemove("a b c", "c", "a b");
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checkRemove(" a b c ", "c", " a b");
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checkRemove("a b c c c", "c", "a b");
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checkRemove("a b a c a d a", "a", "b c d");
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checkRemove("AA BB aa CC AA dd aa", "AA", "BB aa CC dd aa");
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checkRemove("\ra\na\ta\f", "a", "");
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// multiple remove
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checkRemove("a b c ", ["d", "e"], "a b c ");
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checkRemove("a b c ", ["a", "b"], "c ");
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checkRemove("a b c ", ["a", "c"], "b");
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checkRemove("a b c ", ["a", "a"], "b c ");
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checkRemove("a b c ", ["d", "d"], "a b c ");
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checkRemove("a b c ", [], "a b c ");
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checkRemove(null, ["a", "b"], null);
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checkRemove("", ["a", "b"], "");
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// Test for bug 530171
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checkRemove("null", null, "");
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checkRemove("undefined", undefined, "");
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// toggle() method
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function checkToggle(before, argument, expectedRes, after, expectedException) {
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checkModification(e, "toggle", argument, expectedRes, before, after, expectedException);
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}
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checkToggle(null, "", null, null, "SyntaxError");
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checkToggle(null, "aa ", null, null, "InvalidCharacterError");
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checkToggle(null, "a", true, "a");
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checkToggle("", "a", true, "a");
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checkToggle(" ", "a", true, " a");
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checkToggle(" \f", "a", true, " \fa");
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checkToggle("a", "b", true, "a b");
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checkToggle("a", "A", true, "a A");
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checkToggle("a b c", "d", true, "a b c d");
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checkToggle("a b c", "d", true, "a b c d");
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checkToggle("a", "a", false, "");
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checkToggle(" a a a ", "a", false, "");
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checkToggle(" A A A ", "a", true, " A A A a");
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checkToggle(" a b c ", "b", false, " a c ");
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checkToggle(" a b c b b", "b", false, " a c");
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checkToggle(" a b c ", "c", false, " a b");
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checkToggle(" a b c ", "a", false, "b c ");
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// Test for bug 530171
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checkToggle("null", null, false, "");
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checkToggle("", null, true, "null");
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checkToggle("undefined", undefined, false, "");
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checkToggle("", undefined, true, "undefined");
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// tests for the force argument handling
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function checkForceToggle(before, argument, force, expectedRes, after, expectedException) {
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checkModification(e, "toggle", [argument, force], expectedRes, before, after, expectedException);
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}
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checkForceToggle("", "a", true, true, "a");
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checkForceToggle("a", "a", true, true, "a");
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checkForceToggle("a", "b", true, true, "a b");
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checkForceToggle("a b", "b", true, true, "a b");
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checkForceToggle("", "a", false, false, "");
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checkForceToggle("a", "a", false, false, "");
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checkForceToggle("a", "b", false, false, "a");
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checkForceToggle("a b", "b", false, false, "a");
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}
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var content = document.getElementById("content");
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var htmlNode = document.createElement("div");
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content.appendChild(htmlNode);
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testClassList(htmlNode);
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var xhtmlNode = document.createElementNS(XHTML_NS, "div");
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content.appendChild(xhtmlNode);
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testClassList(xhtmlNode);
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var xulNode = document.createElementNS(XUL_NS, "box");
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content.appendChild(xulNode);
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testClassList(xulNode);
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var mathMLNode = document.createElementNS(MATHML_NS, "math");
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content.appendChild(mathMLNode);
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testClassList(mathMLNode);
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var xmlNode = document.createElementNS(null, "foo");
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content.appendChild(xmlNode);
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testClassList(xmlNode);
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var fooNode = document.createElementNS("http://example.org/foo", "foo");
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content.appendChild(fooNode);
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testClassList(fooNode);
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</script>
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</pre>
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</body>
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</html>
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