<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Testing ICE candidate filtering when using data channel</title>
    <script src="../../resources/testharness.js"></script>
    <script src="../../resources/testharnessreport.js"></script>
  </head>
  <body>
    <script>
promise_test((test) => {
    return new Promise((resolve, reject) => {
        setTimeout(() => { reject("Test timed out"); }, 5000);

        if (window.internals)
            internals.setICECandidateFiltering(true);

        var counter = 0;
        var pc = new RTCPeerConnection();
        pc.createDataChannel('sendDataChannel');
        pc.onicecandidate = (event) => {
            if (event.candidate) {
                counter++;
                return;
            }
            assert_equals(pc.localDescription.sdp.indexOf("a=candidate"), -1);
            assert_true(pc.localDescription.sdp.indexOf("c=IN IP4 0.0.0.0") != -1 || pc.localDescription.sdp.indexOf("c=IN IP6 ::") != -1);
            if (counter === 0) {
                pc.createOffer().then((offer) => {
                    assert_true(offer.sdp.indexOf("c=IN IP4 0.0.0.0") != -1 || pc.localDescription.sdp.indexOf("c=IN IP6 ::") != -1);
                    assert_equals(offer.sdp.indexOf("a=candidate"), -1);
                    resolve();
                });
            } else
                reject("No candidate should be found");
        };
        pc.createOffer().then((offer) => {
            assert_equals(offer.sdp.indexOf("a=candidate"), -1);
            pc.setLocalDescription(offer);
        });
    });
}, "Gathering ICE candidates from a data channel peer connection with ICE candidate filtering on");

promise_test((test) => {
    return new Promise((resolve, reject) => {
        setTimeout(() => { reject("Test timed out"); }, 5000);

	if (window.internals)
            internals.setICECandidateFiltering(false);

        var counter = 0;
        var pc = new RTCPeerConnection();
        pc.createDataChannel('sendDataChannel');
        pc.onicecandidate = (event) => {
            if (event.candidate) {
                counter++;
                return;
            }
            assert_true(pc.localDescription.sdp.indexOf("c=IN IP4 0.0.0.0") == -1 && pc.localDescription.sdp.indexOf("c=IN IP6 ::") === -1);
            assert_false(pc.localDescription.sdp.indexOf("a=candidate") === -1);
            if (counter !== 0) {
                // Redoing an offer now that we have some candidates.
                pc.createOffer().then((offer) => {
                    assert_true(offer.sdp.indexOf("c=IN IP4 0.0.0.0") == -1 && pc.localDescription.sdp.indexOf("c=IN IP6 ::") === -1);
                    assert_false(offer.sdp.indexOf("a=candidate") === -1);
                    resolve();
                });
            } else
                reject("Host candidates should be found");
        };
        pc.createOffer().then((offer) => { pc.setLocalDescription(offer); });
    });
}, "Gathering ICE candidates from a data channel peer connection with ICE candidate filtering off");
    </script>
  </body>
</html>