<!doctype html>
<meta charset=utf-8>
<title>RTCPeerConnection constructor</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(function() {
  assert_equals(RTCPeerConnection.length, 0);
}, 'RTCPeerConnection.length');

// 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, or false if no
// exception should be thrown.
const testArgs = {
  // No argument or equivalent.
  '': false,
  'null': false,
  'undefined': false,
  '{}': false,

  // iceServers
  '{ iceServers: null }': new TypeError,
  '{ iceServers: undefined }': false,
  '{ iceServers: [] }': false,
  '{ iceServers: [{}] }': new TypeError,
  '{ iceServers: [null] }': new TypeError,
  '{ iceServers: [undefined] }': new TypeError,
  '{ iceServers: [{ urls: "stun:stun1.example.net" }] }': false,
  '{ iceServers: [{ urls: [] }] }': false,
  '{ iceServers: [{ urls: ["stun:stun1.example.net"] }] }': false,
  '{ iceServers: [{ urls: ["stun:stun1.example.net", "stun:stun2.example.net"] }] }': false,
  // username and password required for turn: and turns:
  '{ iceServers: [{ urls: "turns:turn.example.org", username: "user", credential: "cred" }] }': false,
  '{ iceServers: [{ urls: "turn:turn.example.net", username: "user", credential: "cred" }] }': false,
  '{ iceServers: [{ urls: "turns:turn.example.org", username: "", credential: "" }] }': false,
  '{ iceServers: [{ urls: "turn:turn.example.net", username: "", credential: "" }] }': false,
  '{ iceServers: [{ urls: ["turns:turn.example.org", "turn:turn.example.net"], username: "user", credential: "cred" }] }': false,
  '{ iceServers: [{ urls: "stun:stun1.example.net", credentialType: "password" }] }': false,
  '{ iceServers: [{ urls: "stun:stun1.example.net", credentialType: "token" }] }': false,
  '{ iceServers: [{ urls: "turn:turn.example.net" }] }': 'InvalidAccessError',
  '{ iceServers: [{ urls: "turn:turn.example.net", username: "user" }] }': 'InvalidAccessError',
  '{ iceServers: [{ urls: "turn:turn.example.net", credential: "cred" }] }': 'InvalidAccessError',
  '{ iceServers: [{ urls: "turns:turn.example.org" }] }': 'InvalidAccessError',
  '{ iceServers: [{ urls: "turns:turn.example.org", username: "user" }] }': 'InvalidAccessError',
  '{ iceServers: [{ urls: "turns:turn.example.org", credential: "cred" }] }': 'InvalidAccessError',
  '{ iceServers: [{ urls: "relative-url" }] }': 'SyntaxError',
  '{ iceServers: [{ urls: "http://example.com" }] }': 'SyntaxError',
  // credentialType
  '{ iceServers: [{ urls: [] }] }': false,
  '{ iceServers: [{ urls: [], credentialType: "password" }] }': false,
  '{ iceServers: [{ urls: [], credentialType: "token" }] }': false,
  '{ iceServers: [{ urls: [], credentialType: "invalid" }] }': new TypeError,
  // Blink and Gecko fall back to url, but it's not in the spec.
  '{ iceServers: [{ url: "stun:stun1.example.net" }] }': new TypeError,

  // iceTransportPolicy
  '{ iceTransportPolicy: null }': new TypeError,
  '{ iceTransportPolicy: undefined }': false,
  '{ iceTransportPolicy: "relay" }': false,
  '{ iceTransportPolicy: "all" }': false,
  '{ iceTransportPolicy: "invalid" }': new TypeError,
  // "none" is in Blink and Gecko's IDL, but not in the spec.
  '{ iceTransportPolicy: "none" }': new TypeError,
  // iceTransportPolicy is called iceTransports in Blink.
  '{ iceTransports: "invalid" }': false,
  '{ iceTransports: "none" }': false,

  // bundlePolicy
  '{ bundlePolicy: null }': new TypeError,
  '{ bundlePolicy: undefined }': false,
  '{ bundlePolicy: "balanced" }': false,
  '{ bundlePolicy: "max-compat" }': false,
  '{ bundlePolicy: "max-bundle" }': false,
  '{ bundlePolicy: "invalid" }': new TypeError,

  // rtcpMuxPolicy
  '{ rtcpMuxPolicy: null }': new TypeError,
  '{ rtcpMuxPolicy: undefined }': false,
  '{ rtcpMuxPolicy: "negotiate" }': false,
  '{ rtcpMuxPolicy: "require" }': false,
  '{ rtcpMuxPolicy: "invalid" }': new TypeError,

  // peerIdentity
  '{ peerIdentity: toStringThrows }': new Error,

  // certificates
  '{ certificates: null }': new TypeError,
  '{ certificates: undefined }': false,
  '{ certificates: [] }': false,
  '{ certificates: [null] }': new TypeError,
  '{ certificates: [undefined] }': new TypeError,

  // iceCandidatePoolSize
  '{ iceCandidatePoolSize: toNumberThrows }': new TypeError,
}

for (const arg in testArgs) {
  const expr = 'new RTCPeerConnection(' + arg + ')';
  test(function() {
    const throws = testArgs[arg];
    if (throws) {
      assert_throws(throws, function() {
        eval(expr);
      });
    } else {
      eval(expr);
    }
  }, expr);
}

promise_test(function() {
  return RTCPeerConnection.generateCertificate({ name: "ECDSA", namedCurve: "P-256" })
      .then(certificate => new RTCPeerConnection({ certificates: [certificate] }));
}, 'new RTCPeerConnection({ certificates: [certificate] })');

promise_test(function() {
  return RTCPeerConnection.generateCertificate({ name: "ECDSA", namedCurve: "P-256", expires: 0 })
      .then(certificate => {
        assert_less_than_equal(certificate.expires, Date.now());
        assert_throws('InvalidAccessError', function() {
          new RTCPeerConnection({ certificates: [certificate] });
        });
      });
}, 'new RTCPeerConnection({ certificates: [expiredCertificate] })');

// 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(pc[attr], initialState[attr]);
  }, attr + ' initial value');
}
</script>