| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCPeerconnection MSID generation</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../RTCPeerConnection-helper.js"></script> |
| <script src="../third_party/sdp/sdp.js"></script> |
| <script> |
| |
| function msidLines(desc) { |
| const sections = SDPUtils.splitSections(desc.sdp); |
| return SDPUtils.matchPrefix(sections[1], 'a=msid:'); |
| } |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const dc = pc.createDataChannel('foo'); |
| const desc = await pc.createOffer(); |
| assert_equals(msidLines(desc).length, 0); |
| }, 'No media track produces no MSID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| pc.addTrack(stream1.getTracks()[0]); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], /^a=msid:-/); |
| }, 'AddTrack without a stream produces MSID with no stream ID'); |
| |
| // token-char from RFC 4566 |
| // This is printable characters except whitespace, and ["(),/:;<=>?@[\]] |
| const token_char = '\\x21\\x23-\\x27\\x2A-\\x2B\\x2D-\\x2E\\x30-\\x39\\x41-\\x5A\\x5E-\\x7E'; |
| |
| // msid-value from RFC 8830 |
| const msid_attr = RegExp(`^a=msid:[${token_char}]{1,64}( [${token_char}]{1,64})?$`); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| pc.addTrack(stream1.getTracks()[0], stream1); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| }, 'AddTrack with a stream produces MSID with a stream ID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| const stream2 = new MediaStream(stream1.getTracks()); |
| pc.addTrack(stream1.getTracks()[0], stream1, stream2); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 2); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| assert_regexp_match(msid_lines[1], msid_attr); |
| }, 'AddTrack with two streams produces two MSID lines'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| pc.addTrack(stream1.getTracks()[0], stream1, stream1); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| }, 'AddTrack with the stream twice produces single MSID with a stream ID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| pc.addTransceiver(stream1.getTracks()[0]); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], /^a=msid:-/); |
| }, 'AddTransceiver without a stream produces MSID with no stream ID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| pc.addTransceiver(stream1.getTracks()[0], {streams: [stream1]}); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| }, 'AddTransceiver with a stream produces MSID with a stream ID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| const stream2 = new MediaStream(stream1.getTracks()); |
| pc.addTransceiver(stream1.getTracks()[0], {streams: [stream1, stream2]}); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 2); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| assert_regexp_match(msid_lines[1], msid_attr); |
| }, 'AddTransceiver with two streams produces two MSID lines'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| pc.addTransceiver(stream1.getTracks()[0], {streams: [stream1, stream1]}); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| }, 'AddTransceiver with the stream twice produces single MSID with a stream ID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| const {sender} = pc.addTransceiver(stream1.getTracks()[0]); |
| sender.setStreams(stream1); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| }, 'SetStreams with a stream produces MSID with a stream ID'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| const stream2 = new MediaStream(stream1.getTracks()); |
| const {sender} = pc.addTransceiver(stream1.getTracks()[0]); |
| sender.setStreams(stream1, stream2); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 2); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| assert_regexp_match(msid_lines[1], msid_attr); |
| }, 'SetStreams with two streams produces two MSID lines'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| const stream1 = await getNoiseStream({audio: true}); |
| const {sender} = pc.addTransceiver(stream1.getTracks()[0]); |
| sender.setStreams(stream1, stream1); |
| const desc = await pc.createOffer(); |
| const msid_lines = msidLines(desc); |
| assert_equals(msid_lines.length, 1); |
| assert_regexp_match(msid_lines[0], msid_attr); |
| }, 'SetStreams with the stream twice produces single MSID with a stream ID'); |
| |
| </script> |