third_party/WebKit/LayoutTests/webmidi/implicit-open.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../resources/js-test.js"></script>
   5 <script src="state-check-utils.js"></script>
   6 </head>
   7 <body>
   8 <script>
   9 description("Tests MIDIPort implicit open.");
  10
  11 function resetInputDevice(port) {
  12     debug("- reset input device");
  13     // Reset event handlers so that close() does not cause check failures.
  14     port.onstatechange = null;
  15     access.onstatechange = null;
  16     port.close();
  17     return Promise.resolve();
  18 }
  19
  20 function successAccessCallback(a) {
  21     window.access = a;
  22     testPassed("requestMIDIAccess() succeeded with access " + access + ".");
  23
  24     var inputPort = access.inputs.values().next().value;
  25     var outputPort = access.outputs.values().next().value;
  26
  27     checkStateTransition({
  28         port: inputPort,
  29         method: "setonmidimessage",
  30         initialconnection: "closed",
  31         finalconnection: "open" }
  32     ).then(resetInputDevice.bind(undefined, inputPort
  33     )).then(checkStateTransition.bind(undefined, {
  34         port: inputPort,
  35         method: "addeventlistener",
  36         initialconnection: "closed",
  37         finalconnection: "open" }
  38     )).then(checkStateTransition.bind(undefined, {
  39         port: outputPort,
  40         method: "send",
  41         initialconnection: "closed",
  42         finalconnection: "open" }
  43     )).then(finishJSTest, finishJSTest);
  44 }
  45
  46 function errorAccessCallback(error) {
  47     testFailed("requestMIDIAccess() error callback should not be called when requesting basic access.");
  48     finishJSTest();
  49 }
  50
  51 window.jsTestIsAsync = true;
  52
  53 // Test MIDIPort state transition by send() and onmidimessage handler.
  54 navigator.requestMIDIAccess().then(successAccessCallback, errorAccessCallback);
  55
  56 </script>
  57 </body>
  58 </html>