test_XHR_header.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Test for XMLHttpRequest.GetResponseHeader(foo) byte-inflates the output</title>

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

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

  <meta charset="utf-8">

</head>

<body>

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

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

</div>

<pre id="test">

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

"use strict";

SimpleTest.waitForExplicitFinish();

let xhr = new XMLHttpRequest();

xhr.open('GET', 'file_XHR_header.sjs', true);

xhr.onreadystatechange = function() {

  if (xhr.readyState == 4) {

    ok(xhr.getResponseHeader('X-Custom-Header-Bytes') == "\xE2\x80\xA6",

       "getResponseHeader returns a string of the header's raw bytes");

    SimpleTest.finish();

xhr.send(null);

</script>

</pre>

</body>

</html>