The Tor Browser / file revision

 <?xml version="1.0"?>

 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>

 <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"

                  type="text/css"?>

 <window title="MessageManager CPOW tests"

   xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"

   onload="start()">

   <!-- test results are displayed in the html:body -->

   <label value="CPOWs"/>

   <script type="application/javascript"><![CDATA[

     var test_state = "remote";

     var test_node = null;

     var reentered = false;

     function ok(condition, message) {

       return opener.wrappedJSObject.ok(condition, message);

     }

     // Make sure that an error in this file actually causes the test to fail.

     window.onerror = function (msg, url, line) {

       ok(false, "Error while executing: \n" + msg + "\n" + url + ":" + line);

     };

     function testCpowMessage(message) {

       ok(message.json.check == "ok", "correct json");

       let data = message.objects.data;

       let document = message.objects.document;

       ok(data.i === 5, "integer property");

       ok(data.b === true, "boolean property");

       ok(data.s === "hello", "string property");

       ok(data.x.i === 10, "nested property");

       ok(data.f() === 99, "function call");

       ok(document.title === "Hello, Kitty", "document node");

       data.i = 6;

       data.b = false;

       data.s = "bye";

       data.x = null;

       ok(data.i === 6, "integer property");

       ok(data.b === false, "boolean property");

       ok(data.s === "bye", "string property");

       ok(data.x === null, "nested property");

       let throwing = message.objects.throwing;

       // Based on the table on:

       // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy

       let tests = [

         () => Object.getOwnPropertyDescriptor(throwing, 'test'),

         () => Object.getOwnPropertyNames(throwing),

         () => Object.defineProperty(throwing, 'test', {value: 1}),

         () => delete throwing.test,

         () => "test" in throwing,

         () => Object.prototype.hasOwnProperty.call(throwing, 'test'),

         () => throwing.test,

         () => { throwing.test = 1 },

         // () => { for (let prop in throwing) {} }, Bug 783829

         () => { for (let prop of throwing) {} },

         () => Object.keys(throwing),

         () => Function.prototype.call.call(throwing),

         () => new throwing,

         () => Object.preventExtensions(throwing),

         () => Object.freeze(throwing),

         () => Object.seal(throwing),

       ]

       for (let test of tests) {

         let threw = false;

         try {

           test()

         } catch (e) {

           threw = true;

         }

         ok(threw, "proxy operation threw exception");

       }

       let array = message.objects.array;

       let i = 1;

       for (let elt of array) {

         ok(elt === i, "correct element found");

         i++;

       }

       ok(i === 4, "array has correct length");

       let j = message.objects.for_json;

       let str = JSON.stringify(j);

       let j2 = JSON.parse(str);

       ok(j2.n === 3, "JSON integer property");

       ok(j2.a[0] === 1, "JSON array index");

       ok(j2.a[1] === 2, "JSON array index");

       ok(j2.a[2] === 3, "JSON array index");

       ok(j2.s === "hello", "JSON string property");

       ok(j2.o.x === 10, "JSON object property");

     }

     function recvAsyncMessage(message) {

       testCpowMessage(message);

     }

     function recvSyncMessage(message) {

       testCpowMessage(message);

     }

     function recvRpcMessage(message) {

       ok(message.json.check == "ok", "correct json");

       let data = message.objects.data;

       // Sanity check.

       ok(data.i === 5, "integer property");

       // Check that we re-enter.

       reentered = false;

       let result = data.reenter();

       ok(reentered, "re-entered rpc");

       ok(result == "ok", "got correct result");

     }

     function recvReenterMessage(message) {

       ok(message.objects.data.valid === true, "cpows work");

       reentered = true;

     }

     function recvNestedSyncMessage(message) {

       message.objects.data.reenter();

     }

     function recvReenterSyncMessage(message) {

       ok(false, "should not have received re-entered sync message");

     }

     function recvFailMessage(message) {

       ok(false, message.json.message);

     }

     function recvDoneMessage(message) {

       if (test_state == "remote") {

         test_node.parentNode.removeChild(test_node);

         run_tests("inprocess");

         return;

       }

       finish();

     }

     function run_tests(type) {

       var node = document.getElementById('cpowbrowser_' + type);

       test_state = type;

       test_node = node;

       var mm = node.messageManager;

       mm.addMessageListener("cpows:async", recvAsyncMessage);

       mm.addMessageListener("cpows:sync", recvSyncMessage);

       mm.addMessageListener("cpows:rpc", recvRpcMessage);

       mm.addMessageListener("cpows:reenter", recvReenterMessage);

       mm.addMessageListener("cpows:reenter", recvReenterMessage);

       mm.addMessageListener("cpows:nested_sync", recvNestedSyncMessage);

       mm.addMessageListener("cpows:reenter_sync", recvReenterSyncMessage);

       mm.addMessageListener("cpows:done", recvDoneMessage);

       mm.addMessageListener("cpows:fail", recvFailMessage);

       mm.loadFrameScript("chrome://mochitests/content/chrome/content/base/test/chrome/cpows_child.js", true);

     }

     function start() {

       run_tests('remote');

     }

     function finish() {

       opener.setTimeout("done()", 0);

       window.close();

     }

   ]]></script>

   <browser type="content" src="about:blank" id="cpowbrowser_remote" remote="true"/>

   <browser type="content" src="about:blank" id="cpowbrowser_inprocess"/>

 </window>