<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script>
    const RESOURCES_DIR = "/WebKit/beacon/resources/";

    if (window.internals)
        internals.settings.setFetchAPIKeepAliveEnabled(false);

    function waitForBeaconCompletion()
    {
        return new Promise(function(resolve, reject) {
            if (!internals.inflightBeaconsCount) {
                resolve();
                return;
            }
            setTimeout(function() {
                waitForBeaconCompletion().then(resolve, reject);
            }, 10);
        });
    }

    function createPayload(payloadSize)
    {
        return new Blob(["*".repeat(payloadSize)]);
    }

    promise_test(function() {
        var id = self.token();
        var target = RESOURCES_DIR + "beacon-preflight.py?allowCors=1&cmd=put&id=" + id;

        assert_true(navigator.sendBeacon(target, createPayload(10)), "Send beacon");
        return waitForBeaconCompletion();
    }, "Send Beacon");
</script>