<!-- webkit-test-runner [ UsesBackForwardCache=true ] -->
<!DOCTYPE html>
<html>
<body>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
t = async_test();

window.addEventListener("pageshow", function(event) {
    if (event.persisted)
        t.done();
});

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

onload = () => {
    setTimeout(async () => {
        const pc = new RTCPeerConnection();
        const channel = pc.createDataChannel("test");
        const offer = await pc.createOffer();
        await pc.setLocalDescription(offer);
        window.location = "../../fast/history/resources/page-cache-helper.html";
    }, 0);
};
</script>
</html>