| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/gc.js"></script> |
| <script src="../../resources/js-test.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Tests the RTCPeerConnection lifetime."); |
| // This test uses Chrome internals, and is therefore not |
| // suitable for migrating to a Web Platform Tests - test. |
| |
| var dc = null; |
| var dc2 = null; |
| |
| function dataChannelMessage(m) |
| { |
| testPassed("dataChannelMessage"); |
| finishJSTest(); |
| } |
| |
| function dataChannelOpen() |
| { |
| testPassed("dataChannelOpen"); |
| shouldNotThrow("dc.send('xyzzy');"); |
| } |
| |
| function connect_pcs(pc_a, pc_b) { |
| pc_a.onicecandiate = function(event) { |
| if (event.candidate) { |
| pc_b.addIceCandidate(event.candidate); |
| } |
| } |
| pc_b.onicecandidate = function(event) { |
| if (event.candidate) { |
| pc_a.addIceCandidate(event.candidate); |
| } |
| } |
| pc_a.createOffer() |
| .then(function(offer) { |
| return pc_a.setLocalDescription(offer); |
| }) |
| .then(function() { |
| return pc_b.setRemoteDescription(pc_a.localDescription); |
| }) |
| .then(function() { |
| return pc_b.createAnswer(); |
| }) |
| .then(function(answer) { |
| return pc_b.setLocalDescription(answer); |
| }) |
| .then(function() { |
| return pc_a.setRemoteDescription(pc_b.localDescription); |
| }); |
| } |
| |
| function createPeerConnectionAndDataChannel() |
| { |
| // The Peer Connection object is leaked |
| var pc = new RTCPeerConnection(); |
| var pc2 = new RTCPeerConnection(); |
| dc = pc.createDataChannel("label"); |
| dc.onopen = dataChannelOpen; |
| pc2.ondatachannel = function(e) { |
| dc2 = e.channel; |
| dc2.onmessage = dataChannelMessage; |
| }; |
| connect_pcs(pc, pc2); |
| } |
| |
| var pcB = null; |
| var observationB = null; |
| |
| // Test that the PeerConnection object is gc'd if close is called. |
| var pcA = new RTCPeerConnection(); |
| // Do not pass the object directly to observeGC function. This may |
| // remain live on this function's stack preventing GC from collecting |
| // it. Accessing the object inside an inner function will prevent any |
| // unneeded references on this function's stack. |
| var observationA = internals.observeGC((() => {return pcA;})()); |
| pcA.close(); |
| pcA = null; |
| asyncGC(function() { |
| shouldBeTrue('observationA.wasCollected'); |
| observationA = null; |
| |
| // Test that the PeerConnection object is not gc'd if close is not called. |
| pcB = new RTCPeerConnection(); |
| // Do not pass the object directly to observeGC function. This may |
| // remain live on this function's stack preventing GC from collecting |
| // it. Accessing the object inside an inner function will prevent any |
| // unneeded references on this function's stack. |
| observationB = internals.observeGC((() => {return pcB;})()); |
| pcB = null; |
| asyncGC(function() { |
| shouldBeFalse('observationB.wasCollected'); |
| observationB = null; |
| |
| // This test times out if the Peer connection object is garbage collected. |
| createPeerConnectionAndDataChannel(); |
| gc(); |
| }); |
| }); |
| |
| window.jsTestIsAsync = true; |
| </script> |
| </body> |
| </html> |
