khronosschoty
/
palemoon-dev


			
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							<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<window title="Mozilla Bug 503926"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <!-- test results are displayed in the html:body -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=964293"
     target="_blank">Cu.cloneInto()</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript">
  <![CDATA[

  const Cu = Components.utils;
  const Ci = Components.interfaces;

  const TypedArrayThings = [
    'Int8Array',
    'Uint8Array',
    'Uint8ClampedArray',
    'Int16Array',
    'Uint16Array',
    'Int32Array',
    'Uint32Array',
    'Float32Array',
    'Float64Array',
  ];

  function checkThrows(f, msg, rgxp) {
    try {
      f();
      ok(false, "Should have thrown: " + msg);
    } catch (e) {
      ok(true, "Threw correctly - " + msg + " - " + e);
      if (rgxp)
        ok(rgxp.test(e), "Should throw correct exception: " + e);
    }
  }

  function getType(a) {
    if (a === null || a === undefined)
      return 'null';

    if (Array.isArray(a))
      return 'array';

    if (a instanceof File)
      return 'file';

    if (a instanceof Ci.nsIDOMBlob)
      return 'blob';

    if (TypedArrayThings.indexOf(a.constructor.name) !== -1)
      return a.constructor.name;

    if (typeof a == 'object')
      return 'object';

    if (typeof a == 'function')
      return 'function';

    return 'primitive';
  }

  function compare(a, b) {
    is (getType(a), getType(b), 'Type matches');

    var type = getType(a);
    if (type == 'array') {
      is (a.length, b.length, 'Array.length matches');
      for (var i = 0; i < a.length; ++i) {
        compare(a[i], b[i]);
      }

      return;
    }

    if (type == 'file' || type == 'blob') {
      ok ( a === b, 'They should match');
      return;
    }

    if (type == 'object') {
      ok ( a !== b, 'They should not match');

      var aProps = [];
      for (var p in a) aProps.push(p);

      var bProps = [];
      for (var p in b) bProps.push(p);

      is (aProps.length, bProps.length, 'Props match');
      is (aProps.sort().toSource(), bProps.sort().toSource(), 'Props match - using toSource()');

      for (var p in a) {
        compare(a[p], b[p]);
      }

      return;
    }

    if (type == 'function') {
      ok ( a !== b, 'They should not match');
      return;
    }

    if (type != 'null') {
      is (a.toSource(), b.toSource(), 'Matching using toSource()');
    }
  }

  var sandboxOptions = {
    wantXrays: true,
    wantExportHelpers: true,
  };
  var sandbox = new Cu.Sandbox(window, sandboxOptions);
  // The second sandbox is for testing the exportHelper version of the cloneInto
  var sandbox2 = new Cu.Sandbox("http://example.com", sandboxOptions);
  sandbox.sandbox2 = sandbox2;
  sandbox2.sandbox = sandbox;

  function cloneAndTest(test) {
    var output = sandbox.test = Cu.cloneInto(test, sandbox);
    compare(test, output);

    output = Cu.evalInSandbox('cloneInto(test, sandbox2)', sandbox);
    compare(test, output);
  }

  function cloneAndTestWithFunctions(test) {
    var output = sandbox.test = Cu.cloneInto(test, sandbox, { cloneFunctions: true });
    compare(test, output);

    output = Cu.evalInSandbox('cloneInto(test, sandbox2, { cloneFunctions: true })', sandbox);
    // Note - We need to waive here, because functions are filtered out by object Xrays.
    compare(test, Cu.waiveXrays(output));
  }

  var tests = [
    1,
    null,
    true,
    'hello world',
    [1, 2, 3],
    { a: 1, b: 2 },
    new Date(),
    { a: 1, b: {}, c: [1, 2, 3, {} ], e: 'hello world' },
  ];

  for (var i = 0; i < tests.length; ++i) {
    cloneAndTest(tests[i]);
  }

  checkThrows(function() { Cu.cloneInto({ a: function() {} }, sandbox); },
              'Function should not be cloned by default');

  checkThrows(function() { Cu.cloneInto({ a: document }, sandbox); },
              'Reflectors should not be wrapped by default');

  var withReflectors = Cu.cloneInto({ doc: document, win: window }, sandbox,
                                    { wrapReflectors: true });
  is(Cu.unwaiveXrays(Cu.waiveXrays(withReflectors).doc), document, "Document passes");
  is(Cu.unwaiveXrays(Cu.waiveXrays(withReflectors).win), window, "Window passes");


  checkThrows(function() { Cu.evalInSandbox('cloneInto({}, sandbox)', sandbox2); },
              'CloneInto should only work on less privileged target scopes.',
              /denied|insecure/);

  var cloneTarget = new Cu.Sandbox('http://example.com');
  var sameOriginSB = new Cu.Sandbox('http://example.com', { wantGlobalProperties: ['XMLHttpRequest'] });
  var crossOriginSB = new Cu.Sandbox('http://example.net', { wantGlobalProperties: ['XMLHttpRequest'] });
  sandbox2.cloneTarget = cloneTarget;
  sandbox2.soXHR = Cu.evalInSandbox('new XMLHttpRequest()', sameOriginSB);
  sandbox2.xoXHR = Cu.evalInSandbox('new XMLHttpRequest()', crossOriginSB);
  sandbox2.chromeDoc = document;
  Cu.evalInSandbox('function tryToClone(x) { return cloneInto({val: x}, cloneTarget, { wrapReflectors: true }).val; }', sandbox2);
  is(Cu.evalInSandbox('tryToClone(soXHR)', sandbox2), sandbox2.soXHR, 'Same-origin wrapReflectors works');
  checkThrows(function() { Cu.evalInSandbox('tryToClone(chromeDoc)', sandbox2); },
              'wrapReflectors may not wrap cross-origin reflectors', /unsupported value type/);


  var test = { a: function() { return 42; } };
  cloneAndTestWithFunctions(test);

  // Check that inputs are properly passed through cloned functions:
  test = { a: function(obj) { return obj; } };
  var clonedTest = Cu.cloneInto(test, sandbox, {cloneFunctions: true});
  var testInput = {};
  is(clonedTest.a(testInput), testInput, "Objects should be identical");
  ]]>
  </script>
</window>