third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-cancel.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body id="body">
   7
   8 <div id="console"></div>
   9
  10 <script>
  11
  12     description("This tests that cancelling a speech job fires the right events.");
  13
  14     if (window.testRunner)
  15         testRunner.waitUntilDone();
  16
  17     if (window.internals)
  18         window.internals.enableMockSpeechSynthesizer(document);
  19
  20     window.jsTestIsAsync = true;
  21
  22     var u = new SpeechSynthesisUtterance("this is a test");
  23     u.onstart = function(event) {
  24        debug("Speech started");
  25     }
  26
  27     u.onerror = function(event) {
  28        debug("Speech error received because we cancelled and speech should no longer be pending.");
  29        shouldBeFalse("speechSynthesis.pending");
  30        finishJSTest();
  31     }
  32
  33     // Queue the first job which will start speaking immediately.
  34     speechSynthesis.speak(u);
  35
  36     // Make a few more jobs, so that when we cancel, it will clear the entire queue.
  37     var u2 = new SpeechSynthesisUtterance("this is a second test");
  38     speechSynthesis.speak(u2);
  39
  40     // Make a few more jobs, so that when we cancel, it will clear the entire queue.
  41     var u3 = new SpeechSynthesisUtterance("this is a third test");
  42     speechSynthesis.speak(u3);
  43
  44     // While we have two jobs, speech synthesis should report that it's pending.
  45     shouldBeTrue("speechSynthesis.pending");
  46
  47     // Cancel speaking.
  48     setTimeout("speechSynthesis.cancel()", 1);
  49
  50 </script>
  51
  52 </body>
  53 </html>