| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCRtpParameters transactionId</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="dictionary-helper.js"></script> |
| <script src="RTCRtpParameters-helper.js"></script> |
| <script> |
| 'use strict'; |
| |
| // Test is based on the following editor draft: |
| // https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html |
| |
| // The following helper functions are called from RTCRtpParameters-helper.js: |
| // doOfferAnswerExchange |
| // validateSenderRtpParameters |
| |
| /* |
| 5.1. RTCPeerConnection Interface Extensions |
| partial interface RTCPeerConnection { |
| RTCRtpTransceiver addTransceiver((MediaStreamTrack or DOMString) trackOrKind, |
| optional RTCRtpTransceiverInit init); |
| ... |
| }; |
| |
| dictionary RTCRtpTransceiverInit { |
| RTCRtpTransceiverDirection direction = "sendrecv"; |
| sequence<MediaStream> streams; |
| sequence<RTCRtpEncodingParameters> sendEncodings; |
| }; |
| |
| addTransceiver |
| 2. If the dictionary argument is present, and it has a sendEncodings member, |
| let sendEncodings be that list of RTCRtpEncodingParameters objects, or an |
| empty list otherwise. |
| 7. Create an RTCRtpSender with track, streams and sendEncodings and let |
| sender be the result. |
| |
| 5.2. RTCRtpSender Interface |
| interface RTCRtpSender { |
| Promise<void> setParameters(optional RTCRtpParameters parameters); |
| RTCRtpParameters getParameters(); |
| }; |
| |
| dictionary RTCRtpParameters { |
| DOMString transactionId; |
| sequence<RTCRtpEncodingParameters> encodings; |
| sequence<RTCRtpHeaderExtensionParameters> headerExtensions; |
| RTCRtcpParameters rtcp; |
| sequence<RTCRtpCodecParameters> codecs; |
| RTCDegradationPreference degradationPreference; |
| }; |
| |
| getParameters |
| - transactionId is set to a new unique identifier, used to match this |
| getParameters call to a setParameters call that may occur later. |
| */ |
| |
| /* |
| 5.2. getParameters |
| - transactionId is set to a new unique identifier, used to match this |
| getParameters call to a setParameters call that may occur later. |
| */ |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| const { sender } = pc.addTransceiver('audio'); |
| await doOfferAnswerExchange(t, pc); |
| |
| const param1 = sender.getParameters(); |
| const param2 = sender.getParameters(); |
| |
| validateSenderRtpParameters(param1); |
| validateSenderRtpParameters(param2); |
| |
| assert_not_equals(param1.transactionId, param2.transactionId); |
| |
| }, `sender.getParameters() should return different transaction IDs for each call`); |
| |
| /* |
| 5.2. setParameters |
| 7. If parameters.encodings.length is different from N, or if any parameter |
| in the parameters argument, marked as a Read-only parameter, has a value |
| that is different from the corresponding parameter value returned from |
| sender.getParameters(), abort these steps and return a promise rejected |
| with a newly created InvalidModificationError. Note that this also applies |
| to transactionId. |
| */ |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const { sender } = pc.addTransceiver('audio'); |
| await doOfferAnswerExchange(t, pc); |
| |
| const param = sender.getParameters(); |
| validateSenderRtpParameters(param); |
| |
| const { transactionId } = param; |
| param.transactionId = `${transactionId}-modified`; |
| |
| return promise_rejects(t, 'InvalidModificationError', |
| sender.setParameters(param)); |
| }, `sender.setParameters() with transaction ID different from last getParameters() should reject with InvalidModificationError`); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const { sender } = pc.addTransceiver('audio'); |
| await doOfferAnswerExchange(t, pc); |
| |
| const param = sender.getParameters(); |
| validateSenderRtpParameters(param); |
| |
| param.transactionId = undefined; |
| |
| return promise_rejects(t, new TypeError(), |
| sender.setParameters(param)); |
| }, `sender.setParameters() with transaction ID unset should reject with TypeError`); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const { sender } = pc.addTransceiver('audio'); |
| await doOfferAnswerExchange(t, pc); |
| |
| const param = sender.getParameters(); |
| validateSenderRtpParameters(param); |
| |
| return sender.setParameters(param) |
| .then(() => |
| promise_rejects(t, 'InvalidStateError', |
| sender.setParameters(param))); |
| }, `setParameters() twice with the same parameters should reject with InvalidStateError`); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const { sender } = pc.addTransceiver('audio'); |
| await doOfferAnswerExchange(t, pc); |
| |
| const param1 = sender.getParameters(); |
| const param2 = sender.getParameters(); |
| |
| validateSenderRtpParameters(param1); |
| validateSenderRtpParameters(param2); |
| |
| assert_not_equals(param1.transactionId, param2.transactionId); |
| |
| return promise_rejects(t, 'InvalidModificationError', |
| sender.setParameters(param1)); |
| }, `setParameters() with parameters older than last getParameters() should reject with InvalidModificationError`); |
| |
| </script> |
