| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 1 | <!doctype html> |
| 2 | <meta charset=utf-8> |
| 3 | <title>RTCPeerConnection.prototype.setRemoteDescription - offer</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() |
| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 15 | // assert_session_desc_equals() |
| 16 | // test_state_change_event() |
| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 17 | |
| 18 | /* |
| 19 | 4.3.2. Interface Definition |
| 20 | [Constructor(optional RTCConfiguration configuration)] |
| 21 | interface RTCPeerConnection : EventTarget { |
| 22 | Promise<void> setRemoteDescription( |
| 23 | RTCSessionDescriptionInit description); |
| 24 | |
| 25 | readonly attribute RTCSessionDescription? remoteDescription; |
| 26 | readonly attribute RTCSessionDescription? currentRemoteDescription; |
| 27 | readonly attribute RTCSessionDescription? pendingRemoteDescription; |
| 28 | ... |
| 29 | }; |
| 30 | |
| 31 | 4.6.2. RTCSessionDescription Class |
| 32 | dictionary RTCSessionDescriptionInit { |
| 33 | required RTCSdpType type; |
| 34 | DOMString sdp = ""; |
| 35 | }; |
| 36 | |
| 37 | 4.6.1. RTCSdpType |
| 38 | enum RTCSdpType { |
| 39 | "offer", |
| 40 | "pranswer", |
| 41 | "answer", |
| 42 | "rollback" |
| 43 | }; |
| 44 | */ |
| 45 | |
| 46 | /* |
| 47 | 4.3.1.6. Set the RTCSessionSessionDescription |
| 48 | 2.2.3. Otherwise, if description is set as a remote description, then run one of |
| 49 | the following steps: |
| 50 | - If description is of type "offer", set connection.pendingRemoteDescription |
| 51 | attribute to description and signaling state to have-remote-offer. |
| 52 | */ |
| 53 | promise_test(t => { |
| 54 | const pc = new RTCPeerConnection(); |
| 55 | |
| 56 | test_state_change_event(t, pc, ['have-remote-offer']); |
| 57 | |
| 58 | return generateOffer({ data: true }) |
| 59 | .then(offer => |
| 60 | pc.setRemoteDescription(offer) |
| Nils Ohlmeier | 4b1563d | 2017-08-31 03:45:53 | [diff] [blame^] | 61 | .then(() => { |
| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 62 | assert_equals(pc.signalingState, 'have-remote-offer'); |
| 63 | assert_session_desc_equals(pc.remoteDescription, offer); |
| 64 | assert_session_desc_equals(pc.pendingRemoteDescription, offer); |
| 65 | assert_equals(pc.currentRemoteDescription, null); |
| 66 | })); |
| 67 | }, 'setRemoteDescription with valid offer should succeed'); |
| 68 | |
| 69 | promise_test(t => { |
| 70 | const pc = new RTCPeerConnection(); |
| 71 | |
| 72 | // have-remote-offer event should only fire once |
| 73 | test_state_change_event(t, pc, ['have-remote-offer']); |
| 74 | |
| 75 | return Promise.all([ |
| 76 | generateOffer({ audio: true }), |
| 77 | generateOffer({ data: true }) |
| 78 | ]).then(([offer1, offer2]) => |
| 79 | pc.setRemoteDescription(offer1) |
| 80 | .then(() => pc.setRemoteDescription(offer2)) |
| 81 | .then(() => { |
| 82 | assert_equals(pc.signalingState, 'have-remote-offer'); |
| 83 | assert_session_desc_equals(pc.remoteDescription, offer2); |
| 84 | assert_session_desc_equals(pc.pendingRemoteDescription, offer2); |
| 85 | assert_equals(pc.currentRemoteDescription, null); |
| 86 | })); |
| 87 | }, 'Setting remote description multiple times with different offer should succeed'); |
| 88 | |
| 89 | /* |
| 90 | 4.3.1.6. Set the RTCSessionSessionDescription |
| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 91 | 2.1.4. If the content of description is not valid SDP syntax, then reject p with |
| 92 | an RTCError (with errorDetail set to "sdp-syntax-error" and the |
| 93 | sdpLineNumber attribute set to the line number in the SDP where the syntax |
| 94 | error was detected) and abort these steps. |
| 95 | */ |
| 96 | promise_test(t => { |
| 97 | const pc = new RTCPeerConnection(); |
| 98 | |
| 99 | return pc.setRemoteDescription({ |
| 100 | type: 'offer', |
| 101 | sdp: 'Invalid SDP' |
| 102 | }) |
| 103 | .then(() => { |
| 104 | assert_unreached('Expect promise to be rejected'); |
| 105 | }, err => { |
| 106 | assert_equals(err.errorDetail, 'sdp-syntax-error', |
| 107 | 'Expect error detail field to set to sdp-syntax-error'); |
| 108 | |
| 109 | assert_true(err instanceof RTCError, |
| 110 | 'Expect err to be instance of RTCError'); |
| 111 | }); |
| 112 | }, 'setRemoteDescription(offer) with invalid SDP should reject with RTCError'); |
| 113 | |
| 114 | /* |
| 115 | 4.3.1.6. Set the RTCSessionSessionDescription |
| 116 | 2.1.3. If the description's type is invalid for the current signaling state of |
| 117 | connection, then reject p with a newly created InvalidStateError and abort |
| 118 | these steps. |
| 119 | |
| 120 | [JSEP] |
| 121 | 5.6. If the type is "offer", the PeerConnection state MUST be either "stable" or |
| 122 | "have-remote-offer". |
| 123 | */ |
| 124 | promise_test(t => { |
| 125 | const pc = new RTCPeerConnection(); |
| 126 | |
| 127 | return pc.createOffer() |
| 128 | .then(offer => pc.setLocalDescription(offer)) |
| 129 | .then(() => generateOffer()) |
| Nils Ohlmeier | 4b1563d | 2017-08-31 03:45:53 | [diff] [blame^] | 130 | .then(offer2 => |
| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 131 | promise_rejects(t, 'InvalidStateError', |
| Nils Ohlmeier | 4b1563d | 2017-08-31 03:45:53 | [diff] [blame^] | 132 | pc.setRemoteDescription(offer2))); |
| Soares Chen | 363f125 | 2017-07-10 09:22:15 | [diff] [blame] | 133 | }, 'Calling setRemoteDescription(offer) from have-local-offer state should reject with InvalidStateError'); |
| 134 | |
| 135 | </script> |