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chromium / external / w3c / web-platform-tests / 7b2cd8b78d938ea8879adc6419f2ea14b6af8bad / . / webrtc / RTCPeerConnection-setLocalDescription-pranswer.html
blob: 4d6b011bee650977eb8063693c047c140239f506 [file] [log] [blame]
Soares Chen5dbbd5f2017-07-10 09:56:09[diff] [blame]1<!doctype html>
2<meta charset=utf-8>
3<title>RTCPeerConnection.prototype.setLocalDescription pranswer</title>
4<script src="/resources/testharness.js"></script>
5<script src="/resources/testharnessreport.js"></script>
6<script src="RTCPeerConnection-helper.js"></script>
7<script>
8 'use strict';
9
10 // Test is based on the following editor draft:
11 // https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html
12
13 // The following helper functions are called from RTCPeerConnection-helper.js:
14 // generateOffer
15 // generateAnswer
16 // assert_session_desc_equals
17 // test_state_change_event
18
19 /*
20 4.3.2. Interface Definition
21 [Constructor(optional RTCConfiguration configuration)]
22 interface RTCPeerConnection : EventTarget {
23 Promise<void> setLocalDescription(
24 RTCSessionDescriptionInit description);
25
26 readonly attribute RTCSessionDescription? localDescription;
27 readonly attribute RTCSessionDescription? currentLocalDescription;
28 readonly attribute RTCSessionDescription? pendingLocalDescription;
29
30 Promise<void> setRemoteDescription(
31 RTCSessionDescriptionInit description);
32
33 readonly attribute RTCSessionDescription? remoteDescription;
34 readonly attribute RTCSessionDescription? currentRemoteDescription;
35 readonly attribute RTCSessionDescription? pendingRemoteDescription;
36 ...
37 };
38
39 4.6.2. RTCSessionDescription Class
40 dictionary RTCSessionDescriptionInit {
41 required RTCSdpType type;
42 DOMString sdp = "";
43 };
44
45 4.6.1. RTCSdpType
46 enum RTCSdpType {
47 "offer",
48 "pranswer",
49 "answer",
50 "rollback"
51 };
52 */
53
54 /*
55 4.3.1.6. Set the RTCSessionSessionDescription
56 2.3. If the description's type is invalid for the current signaling state of
57 connection, then reject p with a newly created InvalidStateError and abort
58 these steps.
59
60 [jsep]
61 5.5. If the type is "pranswer" or "answer", the PeerConnection
62 state MUST be either "have-remote-offer" or "have-local-pranswer".
63 */
64 promise_test(t => {
65 const pc = new RTCPeerConnection();
66
Rick Waldron5445fa32017-08-30 21:53:59[diff] [blame]67 return pc.createOffer()
Soares Chen5dbbd5f2017-07-10 09:56:09[diff] [blame]68 .then(offer =>
69 promise_rejects(t, 'InvalidStateError',
70 pc.setLocalDescription({ type: 'pranswer', sdp: offer.sdp })));
71
72 }, 'setLocalDescription(pranswer) from stable state should reject with InvalidStateError');
73
74 /*
75 4.3.1.6 Set the RTCSessionSessionDescription
76 2.2.2. If description is set as a local description, then run one of the
77 following steps:
78 - If description is of type "pranswer", then set
79 connection.pendingLocalDescription to description and signaling state to
80 have-local-pranswer.
81 */
82 promise_test(t => {
83 const pc = new RTCPeerConnection();
84 test_state_change_event(t, pc, ['have-remote-offer', 'have-local-pranswer']);
85
Rick Waldron5445fa32017-08-30 21:53:59[diff] [blame]86 return pc.createOffer({ offerToReceiveVideo: true })
Soares Chen5dbbd5f2017-07-10 09:56:09[diff] [blame]87 .then(offer =>
88 pc.setRemoteDescription(offer)
89 .then(() => pc.createAnswer())
90 .then(answer => {
91 const pranswer = { type: 'pranswer', sdp: answer.sdp };
92
93 return pc.setLocalDescription(pranswer)
94 .then(() => {
95 assert_equals(pc.signalingState, 'have-local-pranswer');
96
97 assert_session_desc_equals(pc.remoteDescription, offer);
98 assert_session_desc_equals(pc.pendingRemoteDescription, offer);
99 assert_equals(pc.currentRemoteDescription, null);
100
101 assert_session_desc_equals(pc.localDescription, pranswer);
102 assert_session_desc_equals(pc.pendingLocalDescription, pranswer);
103 assert_equals(pc.currentLocalDescription, null);
104
105 assert_equals(pc.pendingRemoteDescription, null);
106 });
107 }));
108 }, 'setLocalDescription(pranswer) should succeed');
109
110 promise_test(t => {
111 const pc = new RTCPeerConnection();
112 test_state_change_event(t, pc, ['have-remote-offer', 'have-local-pranswer']);
113
Rick Waldron5445fa32017-08-30 21:53:59[diff] [blame]114 return pc.createOffer({ offerToReceiveVideo: true })
Soares Chen5dbbd5f2017-07-10 09:56:09[diff] [blame]115 .then(offer =>
116 pc.setRemoteDescription(offer)
117 .then(() => pc.createAnswer())
118 .then(answer => {
119 const pranswer = { type: 'pranswer', sdp: answer.sdp };
120
121 return pc.setLocalDescription(pranswer)
122 .then(() => pc.setLocalDescription(pranswer));
123 }));
124 }, 'setLocalDescription(pranswer) can be applied multiple times while still in have-local-pranswer');
125
126 promise_test(t => {
127 const pc = new RTCPeerConnection();
128 test_state_change_event(t, pc, ['have-remote-offer', 'have-local-pranswer', 'stable']);
129
Rick Waldron5445fa32017-08-30 21:53:59[diff] [blame]130 return pc.createOffer({ offerToReceiveVideo: true })
Soares Chen5dbbd5f2017-07-10 09:56:09[diff] [blame]131 .then(offer =>
132 pc.setRemoteDescription(offer)
133 .then(() => pc.createAnswer())
134 .then(answer => {
135 const pranswer = { type: 'pranswer', sdp: answer.sdp };
136
137 return pc.setLocalDescription(pranswer)
138 .then(() => pc.setLocalDescription(answer))
139 .then(() => {
140 assert_equals(pc.signalingState, 'stable');
141 assert_session_desc_equals(pc.localDescription, answer);
142 assert_session_desc_equals(pc.remoteDescription, offer);
143
144 assert_session_desc_equals(pc.currentLocalDescription, answer);
145 assert_session_desc_equals(pc.currentRemoteDescription, offer);
146
147 assert_equals(pc.pendingLocalDescription, null);
148 assert_equals(pc.pendingRemoteDescription, null);
149 });
150 }));
151 }, 'setLocalDescription(answer) from have-local-pranswer state should succeed');
152
153</script>