third_party/WebKit/LayoutTests/fast/workers/resources/worker-multi-port.js

   1 description("This test checks the various use cases around sending multiple ports through Worker.postMessage");
   2
   3 if (window.testRunner) {
   4     testRunner.dumpAsText();
   5     testRunner.waitUntilDone();
   6 }
   7
   8 var channel = new MessageChannel();
   9 var channel2 = new MessageChannel();
  10 var channel3 = new MessageChannel();
  11 var channel4 = new MessageChannel();
  12
  13 var worker = new Worker("resources/worker-thread-multi-port.js");
  14 worker.postMessage("noargs");
  15 worker.postMessage("noport");
  16 worker.postMessage("zero ports", []);
  17 worker.postMessage("two ports", [channel2.port1, channel2.port2]);
  18
  19 // Now test various failure cases
  20 shouldThrow("worker.postMessage()");
  21 shouldThrow('worker.postMessage("null port", [channel3.port1, null, channel3.port2])');
  22 shouldThrow('worker.postMessage("notAPort", [channel3.port1, {}, channel3.port2])');
  23 // Should be OK to send channel3.port1/2 (should not have been disentangled by the previous failed calls).
  24 worker.postMessage("failed ports", [channel3.port1, channel3.port2]);
  25
  26 shouldThrow('worker.postMessage("notAnArray", channel3.port1)')
  27 shouldThrow('worker.postMessage("notASequence", [{length: 3}])');
  28
  29 worker.postMessage("done", [channel.port2]);
  30 worker.onmessage = function(event) {
  31     // Report results from worker thread.
  32     if (event.data == "done")
  33         channel.port1.onmessage = done;
  34     else if (event.data.indexOf("PASS") == 0)
  35         testPassed(event.data.substring(4));
  36     else if (event.data.indexOf("FAIL") == 0)
  37         testFailed(event.data.substring(4));
  38     else
  39         testFailed("Unexpected result: " + event.data);
  40 }