<body>
<script>
if (testRunner) {
    testRunner.dumpAsText();
    testRunner.setCanOpenWindows();
    testRunner.waitUntilDone();
}
const testWindow = window.open('http://127.0.0.1:8000/cache/resources/document-with-cached-unique-script.html');

var firstNumber;
window.addEventListener("message", (event) => {
    if (firstNumber) {
        const secondNumber = event.data;
        if (firstNumber == secondNumber)
            document.body.innerHTML = "PASS";
        else
            document.body.innerHTML = `FAIL: firstNumber={$firstNumber} secondNumber={$secondNumber}`;
        if (testRunner)
            testRunner.notifyDone();
        return;
    }
    firstNumber = event.data;
    if (testWindow.internals)
        testWindow.internals.reloadExpiredOnly();
});

</script>