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Test Info:

<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "857765",
title: "Throw in PeerConnection callbacks"
});
runNetworkTest(async function () {
// Tests trigger warnings
await SpecialPowers.pushPrefEnv({
set: [['media.peerconnection.treat_warnings_as_errors', false]]
});
let finish;
const onfinished = new Promise(r => finish = async () => {
window.onerror = oldOnError;
is(error_count, 7, "Seven expected errors verified.");
r();
});
function getFail() {
return err => {
window.onerror = oldOnError;
generateErrorCallback()(err);
};
}
let error_count = 0;
let oldOnError = window.onerror;
window.onerror = (errorMsg, url, lineNumber) => {
if (!errorMsg.includes("Expected")) {
getFail()(errorMsg);
}
error_count += 1;
info("onerror " + error_count + ": " + errorMsg);
if (error_count == 7) {
finish();
}
throw new Error("window.onerror may throw");
}
let pc0, pc1, pc2;
// Test failure callbacks (limited to 1 for now)
pc0 = new RTCPeerConnection();
pc0.close();
pc0.createOffer(getFail(), function(err) {
pc1 = new RTCPeerConnection();
pc2 = new RTCPeerConnection();
// Test success callbacks (happy path)
navigator.mozGetUserMedia({video:true}, function(video1) {
pc1.addStream(video1);
pc1.createOffer(function(offer) {
pc1.setLocalDescription(offer, function() {
pc2.setRemoteDescription(offer, function() {
pc2.createAnswer(function(answer) {
pc2.setLocalDescription(answer, function() {
pc1.setRemoteDescription(answer, function() {
throw new Error("Expected");
}, getFail());
throw new Error("Expected");
}, getFail());
throw new Error("Expected");
}, getFail());
throw new Error("Expected");
}, getFail());
throw new Error("Expected");
}, getFail());
throw new Error("Expected");
}, getFail());
}, getFail());
throw new Error("Expected");
});
return onfinished;
});
</script>
</pre>
</body>
</html>