test_bug399284.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=399284

-->

<head>

  <title>Test for Bug 399284</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=399284">Mozilla Bug 399284</a>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script class="testbody" type="text/javascript">

/** Test for Bug 399284 **/

const testContent = "<p id='testPara'>The quick brown fox jumps over the lazy dog";

var decoders = [

    "Big5",

    "Big5-HKSCS",

    "EUC-JP",

    "EUC-KR",

    "gb18030",

    "IBM866",

    "ISO-2022-JP",

    "ISO-8859-3",

    "ISO-8859-4",

    "ISO-8859-5",

    "ISO-8859-6",

    "ISO-8859-7",

    "ISO-8859-8",

    "ISO-8859-8-I",

    "ISO-8859-10",

    "ISO-8859-13",

    "ISO-8859-14",

    "ISO-8859-15",

    "ISO-8859-16",

    "ISO-8859-2",

    "KOI8-R",

    "KOI8-U",

    "Shift_JIS",

    "windows-1250",

    "windows-1251",

    "windows-1252",

    "windows-1253",

    "windows-1254",

    "windows-1255",

    "windows-1256",

    "windows-1257",

    "windows-1258",

    "windows-874",

    "x-mac-cyrillic",

    "UTF-8",

    "UTF-16LE",

    "UTF-16BE"

];

var decoder;

for (var i = 0; i < decoders.length; i++) {

    var decoder = decoders[i];

    var data;

    // encode the content for non-ASCII compatible encodings

    if (decoder == "UTF-16BE")

        data = encodeUTF16BE(testContent);

    else if (decoder == "UTF-16LE")

        data = encodeUTF16LE(testContent);

    else

        data = encodeURI(testContent);

    var dataURI = "data:text/html;charset=" + decoder + "," + data;

    var testFrame = document.createElement("iframe");

    frameID = decoder;

    testFrame.setAttribute("id", frameID);

    var testFrameObj = document.body.appendChild(testFrame);

    testFrameObj.setAttribute("onload", "testFontSize('" + decoder + "')");

    testFrameObj.contentDocument.location.assign(dataURI);

function encodeUTF16BE(string)

    var encodedString = "";

    for (i = 0; i < string.length; ++i) {

        encodedString += "%00";

        encodedString += encodeURI(string.charAt(i));

    return encodedString;

function encodeUTF16LE(string)

    var encodedString = "";

    for (i = 0; i < string.length; ++i) {

        encodedString += encodeURI(string.charAt(i));

        encodedString += "%00";

    return encodedString;

function testFontSize(frame)

    var iframeDoc = SpecialPowers.wrap($(frame)).contentDocument;

    var size = parseInt(iframeDoc.defaultView.

                getComputedStyle(iframeDoc.getElementById("testPara")).

                getPropertyValue("font-size"));

    ok(size > 0, "font size assigned for " + frame);

</script>

</pre>

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</html>