test_XHR_parameters.html

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<!DOCTYPE html>

<html>

<head>

  <meta charset="utf-8">

  <title>Test for XMLHttpRequest with system privileges</title>

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

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

</head>

<body onload="runTests();">

<p id="display">

</p>

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

</div>

<pre id="test">

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

function runTests() {

  SimpleTest.waitForExplicitFinish();

  let validParameters = [

    undefined,

    null,

{},

    {mozSystem: ""},

    {mozSystem: 0},

    {mozAnon: 1},

    {mozAnon: []},

    {get mozAnon() { return true; }},

0,

7,

    Math.PI,

    "string",

    true,

    false,

];

  let invalidParameters = [

    {get mozSystem() { throw new Error("Bla"); } },

];

  let havePrivileges = false;

  function testValidParameter(value) {

    let xhr;

    try {

      xhr = new XMLHttpRequest(value);

    } catch (ex) {

      ok(false, "Got unexpected exception: " + ex);

      return;

    ok(xhr instanceof XMLHttpRequest, "passed " + JSON.stringify(value));

    // If the page doesnt have privileges to create a system XHR,

    // this flag will always be false no matter what is passed.

    let expectedAnon = Boolean(value && value.mozAnon);

    let expectedSystem = false;

    if (havePrivileges) {

      expectedSystem = Boolean(value && value.mozSystem);

    is(xhr.mozAnon, expectedAnon, "testing mozAnon");

    is(xhr.mozSystem, expectedSystem, "testing mozSystem");

  function testInvalidParameter(value) {

    let expectedError;

    try {

      new XMLHttpRequest(value);

      ok(false, "invalid parameter did not cause exception: " +

         JSON.stringify(value));

    } catch (ex) {

      expectedError = ex;

    ok(expectedError, "invalid parameter raised exception as expected: " +

       JSON.stringify(expectedError))

  // Run the tests once without API privileges...

  validParameters.forEach(testValidParameter);

  invalidParameters.forEach(testInvalidParameter);

  // ...and once with privileges.

  havePrivileges = true;

  SpecialPowers.pushPermissions([{'type': 'systemXHR', 'allow': true, 'context': document}], function() {

    validParameters.forEach(testValidParameter);

    invalidParameters.forEach(testInvalidParameter);

    SimpleTest.finish();

});

</script>

</pre>

</body>

</html>