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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <!-- |
| 4 Copyright 2015 The Chromium Authors. All rights reserved. |
| 5 Use of this source code is governed by a BSD-style license that can be |
| 6 found in the LICENSE file. |
| 7 --> |
| 8 <head> |
| 9 <title>IDB Test that unused cursor prefetches are acked back to browser process<
/title> |
| 10 <script src="common.js"></script> |
| 11 <script> |
| 12 |
| 13 // Constants. |
| 14 var store_name = 'prefetch_blobs_ack'; |
| 15 var kNumToFetch = 15; // Enough to trigger prefetch, but not on a batch boundary
. |
| 16 |
| 17 // Shared variables. |
| 18 var db; |
| 19 |
| 20 function test() { |
| 21 indexedDBTest(prepareDatabase, iterateCursor); |
| 22 } |
| 23 |
| 24 function prepareDatabase() { |
| 25 db = event.target.result; |
| 26 var store = db.createObjectStore(store_name); |
| 27 for (var i = 0; i < kNumToFetch + 10; ++i) |
| 28 store.put(new Blob([String(i)]), i); |
| 29 } |
| 30 |
| 31 function iterateCursor() { |
| 32 var tx = db.transaction(store_name, 'readonly'); |
| 33 var count = kNumToFetch; |
| 34 var request = tx.objectStore(store_name).openCursor(); |
| 35 request.onerror = unexpectedErrorCallback; |
| 36 request.onsuccess = function() { |
| 37 if (--count > 0) |
| 38 request.result.continue(); |
| 39 }; |
| 40 tx.onabort = unexpectedAbortCallback; |
| 41 tx.oncomplete = onComplete; |
| 42 } |
| 43 |
| 44 function onComplete() { |
| 45 gc(); |
| 46 done(); |
| 47 } |
| 48 |
| 49 </script> |
| 50 </head> |
| 51 <body onLoad="test()"> |
| 52 <div id="status">Starting...<br> |
| 53 <p>Run this test with --js-flags=--expose-gc when run from Chrome.</p> |
| 54 </div> |
| 55 </body> |
| 56 </html> |
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Chromium Code Reviews
Issue 924033003:
IndexedDB: Ensure that blobs in unused prefetches are acked (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master