third_party/WebKit/LayoutTests/webmidi/loopback-receive.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../resources/js-test.js"></script>
   5 <script src="../http/tests/resources/permissions-helper.js"></script>
   6 </head>
   7 <body>
   8 <script>
   9
  10 description("Test if midimessage event handler work.");
  11
  12 shouldBeDefined("navigator.requestMIDIAccess");
  13
  14 window.jsTestIsAsync = true;
  15
  16 testData = [
  17     // Complete messages.
  18     [0x80, 0x00, 0x00],
  19     [0x90, 0x00, 0x00],
  20     [0xa0, 0x00, 0x00],
  21     [0xb0, 0x00, 0x00],
  22     [0xc0, 0x00],
  23     [0xd0, 0x00],
  24     [0xe0, 0x00, 0x00],
  25
  26     // Real-Time messages.
  27     [0xf8],
  28     [0xfa],
  29     [0xfb],
  30     [0xfc],
  31     [0xfe],
  32     [0xff],
  33
  34     // Sysex messages.
  35     [0xf0, 0x00, 0x01, 0x02, 0x03, 0xf7],
  36     [0xf0, 0xf8, 0xf7],
  37 ];
  38
  39 receiveCount = 0;
  40
  41 function verifyData(e) {
  42     debug("receiving data " + receiveCount + ": " + e.data);
  43     expected = testData[receiveCount];
  44     actual = e.data;
  45     shouldBe("actual", "expected");
  46     receiveCount++;
  47     if (receiveCount == testData.length)
  48         e.target.resolve();
  49 }
  50
  51 function test(useAddEventListener) {
  52     return new Promise(function(resolve, reject) {
  53         debug("running test with useAddEventListener = " + useAddEventListener);
  54         navigator.requestMIDIAccess({sysex: true}).then(function (a) {
  55             receiveCount = 0;
  56             var input = a.inputs.values().next().value;
  57             input.resolve = resolve;
  58             input.reject = reject;
  59             if (useAddEventListener) {
  60                 input.addEventListener('midimessage', verifyData);
  61             } else {
  62                 input.onmidimessage = verifyData;
  63             }
  64             var output = a.outputs.values().next().value;
  65             for (var i = 0; i < testData.length; ++i)
  66                 output.send(testData[i]);
  67         }, function () {
  68             testFailed("requestMIDIAccess() return an error.");
  69             reject();
  70         });
  71     });
  72 }
  73
  74 PermissionsHelper.setPermission('midi-sysex', 'granted').then(function() {
  75   test(false).then(test.bind(null, true)).then(finishJSTest, finishJSTest);
  76 });
  77
  78 </script>
  79 </body>
  80 </html>