https://github.com/web-platform-tests/wpt
Tip revision: d2ba4fa6a36b07ec6c39aaab854e04cdc35061c1 authored by mtrofin@chromium.org on 17 July 2017, 04:23:48 UTC
[wasm] Enable postMessage for in-process senders/receivers by default.
[wasm] Enable postMessage for in-process senders/receivers by default.
Tip revision: d2ba4fa
RTCPeerConnection-setLocalDescription.html
<!doctype html>
<meta charset=utf-8>
<title>RTCPeerConnection.prototype.setLocalDescription</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-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 RTCPeerConnection-helper.js:
// generateOffer
// generateAnswer
// assert_session_desc_not_equals
// assert_session_desc_equals
// test_state_change_event
// test_never_resolve
/*
4.3.2. Interface Definition
[Constructor(optional RTCConfiguration configuration)]
interface RTCPeerConnection : EventTarget {
Promise<void> setRemoteDescription(
RTCSessionDescriptionInit description);
readonly attribute RTCSessionDescription? remoteDescription;
readonly attribute RTCSessionDescription? currentRemoteDescription;
readonly attribute RTCSessionDescription? pendingRemoteDescription;
...
};
4.6.2. RTCSessionDescription Class
dictionary RTCSessionDescriptionInit {
required RTCSdpType type;
DOMString sdp = "";
};
4.6.1. RTCSdpType
enum RTCSdpType {
"offer",
"pranswer",
"answer",
"rollback"
};
*/
/*
4.3.2. setLocalDescription
2. Let lastOffer be the result returned by the last call to createOffer.
5. If description.sdp is null and description.type is offer, set description.sdp
to lastOffer.
4.3.1.6. Set the RTCSessionSessionDescription
2.2. If description is set as a local description, then run one of the following
steps:
- If description is of type "offer", set connection.pendingLocalDescription
to description and signaling state to have-local-offer.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
test_state_change_event(t, pc, ['have-local-offer']);
return pc.createOffer({ offerToReceiveAudio: true })
.then(offer =>
pc.setLocalDescription(offer)
.then(() => {
assert_equals(pc.signalingState, 'have-local-offer');
assert_session_desc_equals(pc.localDescription, offer);
assert_session_desc_equals(pc.pendingLocalDescription, offer);
assert_equals(pc.currentLocalDescription, null);
}));
}, 'setLocalDescription with valid offer should succeed');
/*
4.3.2. setLocalDescription
2. Let lastOffer be the result returned by the last call to createOffer.
5. If description.sdp is null and description.type is offer, set description.sdp
to lastOffer.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
return pc.createOffer({ offerToReceiveAudio: true })
.then(offer =>
pc.setLocalDescription({ type: 'offer' })
.then(() => {
assert_equals(pc.signalingState, 'have-local-offer');
assert_session_desc_equals(pc.localDescription, offer);
assert_session_desc_equals(pc.pendingLocalDescription, offer);
assert_equals(pc.currentLocalDescription, null);
}));
}, 'setLocalDescription with type offer and null sdp should use lastOffer generated from createOffer');
/*
4.3.2. setLocalDescription
2. Let lastOffer be the result returned by the last call to createOffer.
6. If description.type is offer and description.sdp does not match lastOffer,
reject the promise with a newly created InvalidModificationError and abort
these steps.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
return generateOffer({ data: true })
.then(offer =>
promise_rejects(t, 'InvalidModificationError',
pc.setLocalDescription(offer)));
}, 'setLocalDescription() with offer not created by own createOffer() should reject with InvalidModificationError');
promise_test(t => {
// Create first offer with audio line, then second offer with
// both audio and video line. Since the second offer is the
// last offer, setLocalDescription would reject when setting
// with the first offer
const pc = new RTCPeerConnection();
return pc.createOffer({ offerToReceiveAudio: true })
.then(offer1 =>
pc.createOffer({ offerToReceiveVideo: true })
.then(offer2 => {
assert_session_desc_not_equals(offer1, offer2);
return promise_rejects(t, 'InvalidModificationError',
pc.setLocalDescription(offer1));
}));
}, 'Set created offer other than last offer should reject with InvalidModificationError');
promise_test(t => {
const pc = new RTCPeerConnection();
// Only one state change event should be fired
test_state_change_event(t, pc, ['have-local-offer']);
return pc.createOffer({ offerToReceiveAudio: true })
.then(offer1 =>
pc.setLocalDescription(offer1)
.then(() =>
pc.createOffer({ offerToReceiveVideo: true })
.then(offer2 =>
pc.setLocalDescription(offer2)
.then(offer2 => {
assert_session_desc_not_equals(offer1, offer2);
assert_equals(pc.signalingState, 'have-local-offer');
assert_session_desc_equals(pc.localDescription, offer2);
assert_session_desc_equals(pc.pendingLocalDescription, offer2);
assert_equals(pc.currentLocalDescription, null);
}))));
}, 'Creating and setting offer multiple times should succeed');
/*
4.3.1.6. Set the RTCSessionSessionDescription
2.2.1. If connection's [[IsClosed]] slot is true, then abort these steps.
*/
test_never_resolve(t => {
const pc = new RTCPeerConnection();
return pc.createOffer()
.then(offer => {
const promise = pc.setLocalDescription(offer);
pc.close();
return promise;
});
}, 'setLocalDescription(offer) should never resolve if connection is closed in parallel')
/* setLocalDescription(answer) */
/*
4.3.1.6. Set the RTCSessionSessionDescription
2. If description is set as a local description, then run one of the following
steps:
- If description is of type "answer", then this completes an offer answer
negotiation.
Set connection's currentLocalDescription to description and
currentRemoteDescription to the value of pendingRemoteDescription.
Set both pendingRemoteDescription and pendingLocalDescription to null.
Finally set connection's signaling state to stable.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
test_state_change_event(t, pc, ['have-remote-offer', 'stable']);
return generateOffer({ video: true })
.then(offer =>
pc.setRemoteDescription(offer)
.then(() => pc.createAnswer())
.then(answer =>
pc.setLocalDescription(answer)
.then(() => {
assert_equals(pc.signalingState, 'stable');
assert_session_desc_equals(pc.localDescription, answer);
assert_session_desc_equals(pc.remoteDescription, offer);
assert_session_desc_equals(pc.currentLocalDescription, answer);
assert_session_desc_equals(pc.currentRemoteDescription, offer);
assert_equals(pc.pendingLocalDescription, null);
assert_equals(pc.pendingRemoteDescription, null);
})));
}, 'setLocalDescription() with valid answer should succeed');
/*
4.3.2. setLocalDescription
3. Let lastAnswer be the result returned by the last call to createAnswer.
4. If description.sdp is null and description.type is answer, set description.sdp
to lastAnswer.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
return generateOffer({ video: true })
.then(offer =>
pc.setRemoteDescription(offer)
.then(() => pc.createAnswer())
.then(answer =>
pc.setLocalDescription({ type: 'answer' })
.then(() => {
assert_equals(pc.signalingState, 'stable');
assert_session_desc_equals(pc.localDescription, answer);
assert_session_desc_equals(pc.remoteDescription, offer);
assert_session_desc_equals(pc.currentLocalDescription, answer);
assert_session_desc_equals(pc.currentRemoteDescription, offer);
assert_equals(pc.pendingLocalDescription, null);
assert_equals(pc.pendingRemoteDescription, null);
})));
}, 'setLocalDescription() with type answer and null sdp should use lastAnswer generated from createAnswer');
/*
4.3.2. setLocalDescription
3. Let lastAnswer be the result returned by the last call to createAnswer.
7. If description.type is answer and description.sdp does not match lastAnswer,
reject the promise with a newly created InvalidModificationError and abort these
steps.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
return generateOffer({ video: true })
.then(offer =>
pc.setRemoteDescription(offer)
.then(() => generateAnswer(offer))
.then(answer =>
promise_rejects(t, 'InvalidModificationError',
pc.setLocalDescription(answer))));
}, 'setLocalDescription() with answer not created by own createAnswer() should reject with InvalidModificationError');
/* Operations after returning to stable state */
promise_test(t => {
const pc = new RTCPeerConnection();
test_state_change_event(t, pc, ['have-local-offer', 'stable', 'have-local-offer']);
return pc.createOffer({ offerToReceiveAudio: true })
.then(offer1 =>
pc.setLocalDescription(offer1)
.then(() => generateAnswer(offer1))
.then(answer => pc.setRemoteDescription(answer))
.then(() => {
pc.createDataChannel('test');
return pc.createOffer({ offerToReceiveVideo: true });
})
.then(offer2 =>
pc.setLocalDescription(offer2)
.then(() => {
assert_equals(pc.signalingState, 'have-local-offer');
assert_session_desc_not_equals(offer1, offer2);
assert_session_desc_equals(pc.localDescription, offer2);
assert_session_desc_equals(pc.currentLocalDescription, offer1);
assert_session_desc_equals(pc.pendingLocalDescription, offer2);
})));
}, 'Calling createOffer() and setLocalDescription() again after one round of local-offer/remote-answer should succeed');
promise_test(t => {
const pc = new RTCPeerConnection();
test_state_change_event(t, pc,
['have-remote-offer', 'stable', 'have-local-offer']);
return generateOffer({ data: true })
.then(offer => pc.setRemoteDescription(offer))
.then(() => pc.createAnswer())
.then(answer =>
pc.setLocalDescription(answer)
.then(() => pc.createOffer({ offerToReceiveVideo: true }))
.then(offer =>
pc.setLocalDescription(offer)
.then(() => {
assert_equals(pc.signalingState, 'have-local-offer');
assert_session_desc_equals(pc.localDescription, offer);
assert_session_desc_equals(pc.currentLocalDescription, answer);
assert_session_desc_equals(pc.pendingLocalDescription, offer);
})));
}, 'Switching role from answerer to offerer after going back to stable state should succeed');
/*
4.3.1.6. Set the RTCSessionSessionDescription
2.3. If the description's type is invalid for the current signaling state of
connection, then reject p with a newly created InvalidStateError and abort
these steps.
[jsep]
5.5. If the type is "pranswer" or "answer", the PeerConnection
state MUST be either "have-remote-offer" or "have-local-pranswer".
*/
promise_test(t => {
const pc = new RTCPeerConnection();
return generateOffer()
.then(offer =>
promise_rejects(t, 'InvalidStateError',
pc.setLocalDescription({ type: 'answer', sdp: offer.sdp })));
}, 'Calling setLocalDescription(answer) from stable state should reject with InvalidStateError');
promise_test(t => {
const pc = new RTCPeerConnection();
return pc.createOffer()
.then(offer =>
pc.setLocalDescription(offer)
.then(() => generateAnswer(offer)))
.then(answer =>
promise_rejects(t, 'InvalidStateError',
pc.setLocalDescription(answer)));
}, 'Calling setLocalDescription(answer) from have-local-offer state should reject with InvalidStateError');
/*
TODO
4.3.2. setLocalDescription
4. If description.sdp is null and description.type is pranswer, set description.sdp
to lastAnswer.
7. If description.type is pranswer and description.sdp does not match lastAnswer,
reject the promise with a newly created InvalidModificationError and abort these
steps.
*/
</script>
