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https://github.com/servo/servo.git
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394 lines
16 KiB
HTML
394 lines
16 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title></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="RTCPeerConnection-helper.js"></script>
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<script>
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"use strict";
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function getLines(sdp, startsWith) {
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const lines = sdp.split("\r\n").filter(l => l.startsWith(startsWith));
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assert_true(lines.length > 0, `One or more ${startsWith} in sdp`);
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return lines;
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}
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const getUfrags = ({sdp}) => getLines(sdp, "a=ice-ufrag:");
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const getPwds = ({sdp}) => getLines(sdp, "a=ice-pwd:");
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async function doSignalingHandshakeEndOnFirst(pc1, pc2) {
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await pc1.setLocalDescription(await pc1.createOffer());
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc2.setLocalDescription(await pc2.createAnswer());
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await pc1.setRemoteDescription(pc2.localDescription); // End on pc1. No race
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}
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async function doSignalingHandshakeEndOnSecond(pc1, pc2) {
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await pc1.setLocalDescription(await pc1.createOffer());
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc1.setRemoteDescription(await pc2.createAnswer());
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await pc2.setLocalDescription(pc1.remoteDescription); // End on pc2. No race
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}
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async function assertNoNegotiationNeeded(t, pc) {
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assert_equals(pc.signalingState, "stable", "In stable state");
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const event = await Promise.race([
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new Promise(r => pc.onnegotiationneeded = r),
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new Promise(r => t.step_timeout(r, 10))
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]);
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assert_equals(event, undefined, "No negotiationneeded event");
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}
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// In Chromium, assert_equals() produces test expectations with the values
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// compared. Because ufrags are different on each run, this would make Chromium
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// test expectations different on each run on tests that failed when comparing
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// ufrags. To work around this problem, assert_ufrags_equals() and
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// assert_ufrags_not_equals() should be preferred over assert_equals() and
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// assert_not_equals().
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function assert_ufrags_equals(x, y, description) {
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assert_true(x === y, description);
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}
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function assert_ufrags_not_equals(x, y, description) {
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assert_false(x === y, description);
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}
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.restartIce();
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await assertNoNegotiationNeeded(t, pc1);
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() does not trigger negotiation ahead of initial negotiation");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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pc1.restartIce();
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() has no effect on initial negotiation");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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pc1.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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}, "restartIce() fires negotiationneeded after initial negotiation");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "control 1");
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assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "control 2");
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pc1.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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assert_ufrags_equals(getUfrags(pc1.localDescription)[0], newUfrag1, "Unchanged 1");
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assert_ufrags_equals(getUfrags(pc2.localDescription)[0], newUfrag2, "Unchanged 2");
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}, "restartIce() causes fresh ufrags");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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await pc1.setLocalDescription(await pc1.createOffer());
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pc1.restartIce();
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc2.setLocalDescription(await pc2.createAnswer());
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// Several tests in this file initializes the onnegotiationneeded listener
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// before the setLocalDescription() or setRemoteDescription() that we expect
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// to trigger negotiation needed. This allows Chrome to exercise these tests
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// without timing out due to a bug that causes onnegotiationneeded to fire too
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// early.
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// TODO(https://crbug.com/985797): Once Chrome does not fire ONN too early,
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// simply do "await new Promise(...)" instead of
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// "await negotiationNeededPromise" here and in other tests in this file.
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const negotiationNeededPromise =
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new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setRemoteDescription(pc2.localDescription);
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assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "Unchanged 1");
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assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "Unchanged 2");
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await negotiationNeededPromise;
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() works in have-local-offer");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setLocalDescription(await pc1.createOffer());
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pc1.restartIce();
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc2.setLocalDescription(await pc2.createAnswer());
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const negotiationNeededPromise =
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new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setRemoteDescription(pc2.localDescription);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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await negotiationNeededPromise;
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() works in initial have-local-offer");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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await pc2.setLocalDescription(await pc2.createOffer());
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await pc1.setRemoteDescription(pc2.localDescription);
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pc1.restartIce();
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await pc2.setRemoteDescription(await pc1.createAnswer());
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const negotiationNeededPromise =
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new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setLocalDescription(pc2.remoteDescription); // End on pc1. No race
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assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "Unchanged 1");
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assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "Unchanged 2");
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await negotiationNeededPromise;
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() works in have-remote-offer");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc2.addTransceiver("audio");
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await pc2.setLocalDescription(await pc2.createOffer());
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await pc1.setRemoteDescription(pc2.localDescription);
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pc1.restartIce();
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await pc2.setRemoteDescription(await pc1.createAnswer());
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await pc1.setLocalDescription(pc2.remoteDescription); // End on pc1. No race
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() does nothing in initial have-remote-offer");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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pc1.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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const negotiationNeededPromise =
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new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnSecond(pc2, pc1);
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assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "nothing yet 1");
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assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "nothing yet 2");
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await negotiationNeededPromise;
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag2, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() survives remote offer");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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pc1.restartIce();
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pc2.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnSecond(pc2, pc1);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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assert_ufrags_equals(getUfrags(pc1.localDescription)[0], newUfrag1, "Unchanged 1");
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assert_ufrags_equals(getUfrags(pc2.localDescription)[0], newUfrag2, "Unchanged 2");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() is satisfied by remote ICE restart");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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pc1.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setLocalDescription(await pc1.createOffer({iceRestart: false}));
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc2.setLocalDescription(await pc2.createAnswer());
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await pc1.setRemoteDescription(pc2.localDescription);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() trumps {iceRestart: false}");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [oldUfrag1] = getUfrags(pc1.localDescription);
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const [oldUfrag2] = getUfrags(pc2.localDescription);
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pc1.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setLocalDescription(await pc1.createOffer());
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const negotiationNeededPromise =
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new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setLocalDescription({type: "rollback"});
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await negotiationNeededPromise;
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const [newUfrag1] = getUfrags(pc1.localDescription);
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const [newUfrag2] = getUfrags(pc2.localDescription);
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assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed");
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assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() survives rollback");
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promise_test(async t => {
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const pc1 = new RTCPeerConnection({bundlePolicy: "max-compat"});
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const pc2 = new RTCPeerConnection({bundlePolicy: "max-compat"});
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.addTransceiver("audio");
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pc1.addTransceiver("video");
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await new Promise(r => pc1.onnegotiationneeded = r);
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await doSignalingHandshakeEndOnFirst(pc1, pc2);
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const oldUfrags1 = getUfrags(pc1.localDescription);
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const oldUfrags2 = getUfrags(pc2.localDescription);
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const oldPwds2 = getPwds(pc2.localDescription);
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pc1.restartIce();
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await new Promise(r => pc1.onnegotiationneeded = r);
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// Engineer a partial ICE restart from pc2
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pc2.restartIce();
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await pc2.setLocalDescription(await pc2.createOffer());
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{
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let {type, sdp} = pc2.localDescription;
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// Restore both old ice-ufrag and old ice-pwd to trigger a partial restart
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sdp = sdp.replace(getUfrags({sdp})[0], oldUfrags2[0]);
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sdp = sdp.replace(getPwds({sdp})[0], oldPwds2[0]);
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const newUfrags2 = getUfrags({sdp});
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const newPwds2 = getPwds({sdp});
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assert_ufrags_equals(newUfrags2[0], oldUfrags2[0], "control ufrag match");
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assert_ufrags_equals(newPwds2[0], oldPwds2[0], "control pwd match");
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assert_ufrags_not_equals(newUfrags2[1], oldUfrags2[1], "control ufrag non-match");
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assert_ufrags_not_equals(newPwds2[1], oldPwds2[1], "control pwd non-match");
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await pc1.setRemoteDescription({type, sdp});
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}
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const negotiationNeededPromise =
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new Promise(r => pc1.onnegotiationneeded = r);
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await pc1.setLocalDescription(await pc1.createAnswer());
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const newUfrags1 = getUfrags(pc1.localDescription);
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assert_ufrags_equals(newUfrags1[0], oldUfrags1[0], "Unchanged 1");
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assert_ufrags_not_equals(newUfrags1[1], oldUfrags1[1], "Restarted 2");
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await negotiationNeededPromise;
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await pc1.setLocalDescription(await pc1.createOffer());
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const newestUfrags1 = getUfrags(pc1.localDescription);
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assert_ufrags_not_equals(newestUfrags1[0], oldUfrags1[0], "Restarted 1");
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assert_ufrags_not_equals(newestUfrags1[1], oldUfrags1[1], "Restarted 2");
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await assertNoNegotiationNeeded(t, pc1);
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}, "restartIce() survives remote offer containing partial restart");
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|
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</script>
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