/**
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

const { PrincipalUtils } = ChromeUtils.importESModule(
  "resource://testing-common/dom/quota/test/modules/PrincipalUtils.sys.mjs"
);
const { QuotaUtils } = ChromeUtils.importESModule(
  "resource://testing-common/dom/quota/test/modules/QuotaUtils.sys.mjs"
);
const { TestUtils } = ChromeUtils.importESModule(
  "resource://testing-common/TestUtils.sys.mjs"
);

add_task(
  { pref_set: [["dom.cache.databaseInitialization.pauseOnIOThreadMs", 2000]] },
  async function testSteps() {
    const principal = PrincipalUtils.createPrincipal("https://example.com");
    const name = "test_slowStorageInitialization.js";

    info("Testing origin clearing requested after starting database work");

    info("Starting database opening");

    const openPromise = new Promise(function (resolve, reject) {
      const sandbox = new Cu.Sandbox(principal, {
        wantGlobalProperties: ["caches"],
      });
      sandbox.resolve = resolve;
      sandbox.reject = reject;
      Cu.evalInSandbox(
        `caches.open("${name}").then(resolve, reject);`,
        sandbox
      );
    });

    info("Waiting for database work to start");

    await TestUtils.topicObserved("CacheAPI::DatabaseWorkStarted");

    info("Starting origin clearing");

    const clearPromise = (async function () {
      const request = Services.qms.clearStoragesForPrincipal(principal);
      const promise = QuotaUtils.requestFinished(request);
      return promise;
    })();

    info("Waiting for database to finish opening");

    try {
      await openPromise;
      ok(false, "Should have thrown");
    } catch (e) {
      ok(true, "Should have thrown");
      Assert.strictEqual(
        e.result,
        Cr.NS_ERROR_ABORT,
        "Threw right result code"
      );
    }

    info("Waiting for origin to finish clearing");

    await clearPromise;
  }
);