firefox-main/testing/web-platform/tests/webrtc/RTCPeerConnection-constructor.html

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Test Info:

<!doctype html>
<meta charset=utf-8>
<meta name="variant" content="?interop-2026">
<meta name="variant" content="?rest">
<title>RTCPeerConnection constructor</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
const rest = !new URLSearchParams(location.search).has("interop-2026");
const interop2026 = !new URLSearchParams(location.search).has("rest");
if (rest) {
test(function() {
assert_equals(RTCPeerConnection.length, 0);
}, 'RTCPeerConnection.length');
}
if (interop2026) {
// These are used for string and number dictionary members to see if they are
// being accessed at all.
const toStringThrows = { toString: function() { throw new Error; } };
const toNumberThrows = Symbol();
// Test the first argument of the constructor. The key is the argument itself,
// and the value is the first argument for assert_throws_js, or false if no
// exception should be thrown.
const testArgs = {
// No argument or equivalent.
'': false,
'null': false,
'undefined': false,
'{}': false,
// certificates
'{ certificates: null }': TypeError,
'{ certificates: undefined }': false,
'{ certificates: [] }': false,
'{ certificates: [null] }': TypeError,
'{ certificates: [undefined] }': TypeError,
// iceCandidatePoolSize
'{ iceCandidatePoolSize: toNumberThrows }': TypeError,
}
for (const arg in testArgs) {
const expr = 'new RTCPeerConnection(' + arg + ')';
test(function() {
const throws = testArgs[arg];
if (throws) {
assert_throws_js(throws, function() {
eval(expr);
});
} else {
eval(expr);
}
}, expr);
}
}
if (rest) {
// The initial values of attributes of RTCPeerConnection.
const initialState = {
'localDescription': null,
'currentLocalDescription': null,
'pendingLocalDescription': null,
'remoteDescription': null,
'currentRemoteDescription': null,
'pendingRemoteDescription': null,
'signalingState': 'stable',
'iceGatheringState': 'new',
'iceConnectionState': 'new',
'connectionState': 'new',
'canTrickleIceCandidates': null,
// TODO: defaultIceServers
};
for (const attr in initialState) {
test(function() {
// Use one RTCPeerConnection instance for all initial value tests.
if (!window.pc) {
window.pc = new RTCPeerConnection;
}
assert_equals(window.pc[attr], initialState[attr]);
}, attr + ' initial value');
}
}
</script>