| <!DOCTYPE html> |
| <meta name=help href="https://privacycg.github.io/storage-partitioning/"> |
| <title>Partitioned estimate() usage details for indexeddb test</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="./helpers.js"></script> |
| <script src="../IndexedDB/resources/support-promises.js"></script> |
| |
| <body> |
| <script> |
| const usageDetails = async () => |
| (await navigator.storage.estimate()).usageDetails.indexedDB || 0; |
| |
| const createSomeUsage = async (test) => { |
| // We use 100KB here because db compaction usually happens every few MB |
| // 100KB is large enough to avoid a false positive (small amounts of |
| // metadata getting written for some random reason), and small enough to |
| // avoid compaction with a reasonably high probability. |
| const write_size = 1024 * 100; |
| const object_store_name = token(); |
| const db_name = self.location.pathname; |
| |
| await indexedDB.deleteDatabase(db_name); |
| const db = await createDB(db_name, object_store_name, test); |
| const transaction = db.transaction(object_store_name, 'readwrite'); |
| const value_to_store = largeValue(write_size, Math.random() * 255); |
| transaction.objectStore(object_store_name).add(value_to_store, 1); |
| |
| await transactionPromise(transaction); |
| return db; |
| } |
| |
| const testPath = () => location.pathname.split("/").slice(0, -1).join("/"); |
| |
| let alt_origin = "https://{{hosts[alt][]}}:{{ports[https][0]}}"; |
| let details = {}; |
| |
| const iframe = document.createElement("iframe"); |
| iframe.src = `https://{{host}}:{{ports[https][0]}}${testPath()}/resources` + |
| `/partitioned-estimate-usage-details-indexeddb-helper-frame.html`; |
| document.body.appendChild(iframe); |
| |
| async_test(test => { |
| if (location.origin === alt_origin) |
| return; |
| |
| let db; |
| window.addEventListener("message", test.step_func(async event => { |
| if (event.data === "iframe-is-ready") { |
| details.init = await usageDetails(); |
| db = await createSomeUsage(test); |
| details.after = await usageDetails(); |
| assert_greater_than(details.after, details.init); |
| |
| iframe.contentWindow.postMessage("get-details", iframe.origin); |
| } |
| })); |
| |
| window.addEventListener("message", test.step_func(event => { |
| if (event.data.source === "same-site") { |
| details.same_site = event.data; |
| |
| const cross_site_window = window |
| .open(`${alt_origin}${location.pathname}`, "", "noopener=false"); |
| test.add_cleanup(() => cross_site_window.close()); |
| } |
| if (event.data.source === "cross-site") { |
| details.cross_site = event.data; |
| |
| // Some cleanup |
| test.step(async () => await db.close()); |
| |
| test.step(() => { |
| assert_true(details.cross_site.init == 0, "Usage should be 0."); |
| assert_equals(details.same_site.init, details.after); |
| }); |
| |
| test.done(); |
| } |
| })); |
| }, "Partitioned estimate() usage details for indexeddb test."); |
| </script> |
| </body> |
