tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

mm_messageChannel.js (1928B)

      1 /* eslint-env mozilla/frame-script */
      2 
      3 function debug(msg) {
      4  dump("[mmMessageChannelChild]" + msg + "\n");
      5 }
      6 
      7 /**
      8 * Preparation Test
      9 */
     10 let port;
     11 let toString = Object.prototype.toString;
     12 
     13 (function prepare() {
     14  debug("Script loaded.");
     15  addTestReceiver();
     16  sendAsyncMessage("mmMessagePort:finishScriptLoad");
     17 })();
     18 
     19 function ok(condition, message) {
     20  debug("condition: " + condition + ", " + message + "\n");
     21  if (!condition) {
     22    sendAsyncMessage("mmMessagePort:fail", { message });
     23    throw new Error("failed check: " + message);
     24  }
     25 }
     26 
     27 function is(a, b, message) {
     28  ok(a === b, message);
     29 }
     30 
     31 /**
     32 * Testing codes.
     33 */
     34 function addTestReceiver() {
     35  addMessageListener("BasicTest:PortCreated", basicTest);
     36  addMessageListener("CloseTest:PortCreated", closeTest);
     37  addMessageListener("EmptyTest:PortCreated", emptyTest);
     38  addMessageListener("NotTransferableTest:PortCreated", notTransferableTest);
     39 }
     40 
     41 function basicTest(msg) {
     42  port = msg.ports[0];
     43  is(toString.call(port), "[object MessagePort]", "created MessagePort.");
     44 
     45  port.onmessage = message => {
     46    is(message.data, "BasicTest:StartTest", "Replied message is correct.");
     47    port.postMessage("BasicTest:TestOK");
     48  };
     49 
     50  sendAsyncMessage("BasicTest:FinishPrepare", { message: "OK" });
     51 }
     52 
     53 function closeTest(msg) {
     54  port = msg.ports[0];
     55  is(toString.call(port), "[object MessagePort]", "created MessagePort.");
     56 
     57  port.onmessage = message => {
     58    ok(message.data, "CloseTest:StartTest", "Replied message is correct.");
     59    port.postMessage("CloseTest:TestOK");
     60  };
     61 
     62  port.close();
     63 
     64  sendAsyncMessage("CloseTest:FinishPrepare", { message: "OK" });
     65 }
     66 
     67 function emptyTest(msg) {
     68  let portSize = msg.ports.length;
     69  is(portSize, 0, "transfered port size is zero.");
     70 
     71  sendAsyncMessage("EmptyTest:FinishPrepare", { message: "OK" });
     72 }
     73 
     74 function notTransferableTest() {
     75  sendAsyncMessage("NotTransferableTest:FinishPrepare", { message: "OK" });
     76 }