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