<!-- webkit-test-runner [ enableBackForwardCache=true ] -->
<!DOCTYPE html>
<html>
<body>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<canvas id="canvas" width=320px height=240px></canvas>
<script>
t = async_test();

if (window.testRunner)
    testRunner.setWebRTCMDNSICECandidatesEnabled(true);
if (window.internals) {
    internals.useMockRTCPeerConnectionFactory("ICECandidatesWithDelay");
    internals.setICECandidateFiltering(true);
}

window.addEventListener("pageshow", t.step_func(function(event) {
    if (!event.persisted)
        return;
    t.hasPageShow = true;
    if (t.hasMDNSCandidate)
        t.done();
}));

window.addEventListener("pagehide", t.step_func((event) => {
    if (!event.persisted)
        assert_uneached("Page failed to enter page cache");

}));
t.pc = new RTCPeerConnection;
t.hasMDNSCandidate = false;
t.hasPageShow = false;
onload = async () => {
     t.pc.onicecandidate = t.step_func((event) => {
         if (!event.candidate || t.pasPageShow) {
             t.done();
             return;
         }
         if (event.candidate.candidate.includes('.local'))
             t.hasMDNSCandidate = true;
     });
     const stream = canvas.captureStream();
     t.pc.addTrack(stream.getVideoTracks()[0], stream);
     const offer = await t.pc.createOffer();
     window.location = "../fast/history/resources/page-cache-helper-100ms.html";

     t.pc.setLocalDescription(offer); 
     assert_false(t.hasMDNSCandidate);
};
</script>
</html>