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<!doctype html>
<meta charset=utf-8>
<title>RTCPeerConnection.prototype.ondatachannel</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../webrtc/RTCPeerConnection-helper.js"></script>
<script>
'use strict';
promise_test(async (t) => {
const resolver = new Resolver();
const pc1 = new RTCPeerConnection();
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
t.add_cleanup(() => pc2.close());
const dc1 = pc1.createDataChannel('test', {
ordered: false,
maxRetransmits: 1,
protocol: 'custom',
priority: 'high'
});
assert_equals(dc1.priority, 'high');
pc2.ondatachannel = t.step_func((event) => {
const dc2 = event.channel;
assert_equals(dc2.priority, 'high');
resolver.resolve();
});
exchangeIceCandidates(pc1, pc2);
await exchangeOfferAnswer(pc1, pc2);
await resolver;
}, 'In-band negotiated channel created on remote peer should match the same configuration as local ' +
'peer');
promise_test(async (t) => {
const resolver = new Resolver();
const pc1 = new RTCPeerConnection();
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
t.add_cleanup(() => pc2.close());
const dc1 = pc1.createDataChannel('');
assert_equals(dc1.priority, 'low');
pc2.ondatachannel = t.step_func((event) => {
const dc2 = event.channel;
assert_equals(dc2.priority, 'low');
resolver.resolve();
});
exchangeIceCandidates(pc1, pc2);
await exchangeOfferAnswer(pc1, pc2);
await resolver;
}, 'In-band negotiated channel created on remote peer should match the same (default) ' +
'configuration as local peer');
</script>
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