<!DOCTYPE html>
<html>
<head>
<title>Cache Storage: testing Cache persistency</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
    <script>
promise_test(test => {
    return self.caches.keys().then(keys => {
        var pending = [];
        for (key of keys)
            pending.push(self.caches.delete(keys[0]));
        return Promise.all(pending);
    });
}, "Cleaning existing caches");

promise_test(async (test) => {
    var cache = await self.caches.open("test-cache-records-persistency");
    await cache.put("https://example.com/foo", new Response("body", { statusText: "status" }));

    if (!window.testRunner)
        return Promise.reject("test runner needed");
    testRunner.clearDOMCaches();

    var keys = await self.caches.keys();
    assert_equals(keys.length, 0, "keys should be empty");

    cache = await self.caches.open("test-cache-records-persistency");
    keys = await cache.keys();
    assert_equals(keys.length, 0, "records should be empty");
}, 'Clearing all disk cache');
    </script>
</body>
</html>