| <!doctype html> | 
 | <!-- | 
 | This test uses the legacy callback API with no media, and thus does not require fake media devices. | 
 | --> | 
 |  | 
 | <html> | 
 | <head> | 
 |   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> | 
 |   <title>RTCPeerConnection No-Media Connection Test</title> | 
 | </head> | 
 | <body> | 
 |   <div id="log"></div> | 
 |   <h2>iceConnectionState info</h2> | 
 |   <div id="stateinfo"> | 
 |   </div> | 
 |  | 
 |   <!-- These files are in place when executing on W3C. --> | 
 |   <script src="/resources/testharness.js"></script> | 
 |   <script src="/resources/testharnessreport.js"></script> | 
 |   <script type="text/javascript"> | 
 |   var test = async_test('Can set up a basic WebRTC call with no data.'); | 
 |  | 
 |   var gFirstConnection = null; | 
 |   var gSecondConnection = null; | 
 |  | 
 |   var onOfferCreated = test.step_func(function(offer) { | 
 |     gFirstConnection.setLocalDescription(offer, ignoreSuccess, | 
 |                                          failed('setLocalDescription first')); | 
 |  | 
 |     // This would normally go across the application's signaling solution. | 
 |     // In our case, the "signaling" is to call this function. | 
 |     receiveCall(offer.sdp); | 
 |   }); | 
 |  | 
 |   function receiveCall(offerSdp) { | 
 |  | 
 |     var parsedOffer = new RTCSessionDescription({ type: 'offer', | 
 |                                                   sdp: offerSdp }); | 
 |     // These functions use the legacy interface extensions to RTCPeerConnection. | 
 |     gSecondConnection.setRemoteDescription(parsedOffer, | 
 |       function() { | 
 |         gSecondConnection.createAnswer(onAnswerCreated, | 
 |                                        failed('createAnswer')); | 
 |       }, | 
 |       failed('setRemoteDescription second')); | 
 |   }; | 
 |  | 
 |   var onAnswerCreated = test.step_func(function(answer) { | 
 |     gSecondConnection.setLocalDescription(answer, ignoreSuccess, | 
 |                                           failed('setLocalDescription second')); | 
 |  | 
 |     // Similarly, this would go over the application's signaling solution. | 
 |     handleAnswer(answer.sdp); | 
 |   }); | 
 |  | 
 |   function handleAnswer(answerSdp) { | 
 |     var parsedAnswer = new RTCSessionDescription({ type: 'answer', | 
 |                                                    sdp: answerSdp }); | 
 |     gFirstConnection.setRemoteDescription(parsedAnswer, ignoreSuccess, | 
 |                                           failed('setRemoteDescription first')); | 
 |   }; | 
 |  | 
 |   var onIceCandidateToFirst = test.step_func(function(event) { | 
 |     // If event.candidate is null = no more candidates. | 
 |     if (event.candidate) { | 
 |       gSecondConnection.addIceCandidate(event.candidate); | 
 |     } | 
 |   }); | 
 |  | 
 |   var onIceCandidateToSecond = test.step_func(function(event) { | 
 |     if (event.candidate) { | 
 |       gFirstConnection.addIceCandidate(event.candidate); | 
 |     } | 
 |   }); | 
 |  | 
 |   var onRemoteStream = test.step_func(function(event) { | 
 |     assert_unreached('WebRTC received a stream when there was none'); | 
 |   }); | 
 |  | 
 |   var onIceConnectionStateChange = test.step_func(function(event) { | 
 |     assert_equals(event.type, 'iceconnectionstatechange'); | 
 |     assert_not_equals(gFirstConnection.iceConnectionState, "failed", "iceConnectionState of first connection"); | 
 |     assert_not_equals(gSecondConnection.iceConnectionState, "failed", "iceConnectionState of second connection"); | 
 |     var stateinfo = document.getElementById('stateinfo'); | 
 |     stateinfo.innerHTML = 'First: ' + gFirstConnection.iceConnectionState | 
 |                         + '<br>Second: ' + gSecondConnection.iceConnectionState; | 
 |     // Note: All these combinations are legal states indicating that the | 
 |     // call has connected. All browsers should end up in completed/completed, | 
 |     // but as of this moment, we've chosen to terminate the test early. | 
 |     // TODO: Revise test to ensure completed/completed is reached. | 
 |     if (gFirstConnection.iceConnectionState == 'connected' && | 
 |         gSecondConnection.iceConnectionState == 'connected') { | 
 |       test.done() | 
 |     } | 
 |     if (gFirstConnection.iceConnectionState == 'connected' && | 
 |         gSecondConnection.iceConnectionState == 'completed') { | 
 |       test.done() | 
 |     } | 
 |     if (gFirstConnection.iceConnectionState == 'completed' && | 
 |         gSecondConnection.iceConnectionState == 'connected') { | 
 |       test.done() | 
 |     } | 
 |     if (gFirstConnection.iceConnectionState == 'completed' && | 
 |         gSecondConnection.iceConnectionState == 'completed') { | 
 |       test.done() | 
 |     } | 
 |   }); | 
 |  | 
 |   // Returns a suitable error callback. | 
 |   function failed(function_name) { | 
 |     return test.step_func(function() { | 
 |       assert_unreached('WebRTC called error callback for ' + function_name); | 
 |     }); | 
 |   } | 
 |  | 
 |   // Returns a suitable do-nothing. | 
 |   function ignoreSuccess(function_name) { | 
 |   } | 
 |  | 
 |   // This function starts the test. | 
 |   test.step(function() { | 
 |     gFirstConnection = new RTCPeerConnection(null); | 
 |     gFirstConnection.onicecandidate = onIceCandidateToFirst; | 
 |     gFirstConnection.oniceconnectionstatechange = onIceConnectionStateChange; | 
 |  | 
 |     gSecondConnection = new RTCPeerConnection(null); | 
 |     gSecondConnection.onicecandidate = onIceCandidateToSecond; | 
 |     gSecondConnection.onaddstream = onRemoteStream; | 
 |     gSecondConnection.oniceconnectionstatechange = onIceConnectionStateChange; | 
 |  | 
 |     // The offerToReceiveVideo is necessary and sufficient to make | 
 |     // an actual connection. | 
 |     gFirstConnection.createOffer(onOfferCreated, failed('createOffer'), | 
 |         {offerToReceiveVideo: true}); | 
 |   }); | 
 | </script> | 
 |  | 
 | </body> | 
 | </html> |