| <!DOCTYPE html> |
| <script src="../../resources/js-test.js"></script> |
| <script src="resources/shared.js"></script> |
| <script> |
| |
| description("Ensure IndexedDB's cursor prefetch cache requests are invalidated"); |
| |
| indexedDBTest(prepareDatabase, onOpenSuccess); |
| function prepareDatabase(evt) |
| { |
| preamble(evt); |
| evalAndLog("db = event.target.result"); |
| evalAndLog("store = db.createObjectStore('store')"); |
| debug("Populate with even records..."); |
| for (var i = 0; i < 10; i += 2) |
| store.put(i, i); |
| } |
| |
| function onOpenSuccess(evt) |
| { |
| preamble(evt); |
| evalAndLog("db = event.target.result"); |
| |
| evalAndLog("tx = db.transaction('store', 'readwrite')"); |
| evalAndLog("store = tx.objectStore('store')"); |
| evalAndLog("request = store.openCursor()"); |
| |
| kPrefetchThreshold = 3; |
| |
| expected = ["0", "2", "4", "6", "7", "8", "9"]; |
| continueCount = 0; |
| request.onsuccess = function cursorSuccess() { |
| preamble(); |
| cursor = request.result; |
| if (!cursor) |
| return; |
| ++continueCount; |
| |
| expect = expected.shift(); |
| shouldBe("cursor.key", expect); |
| evalAndLog("cursor.continue()"); |
| |
| if (continueCount === kPrefetchThreshold) { |
| debug("\nThat should have triggered a prefetch, injecting odd records..."); |
| for (var i = 1; i < 10; i += 2) |
| store.put(i, i); |
| } |
| }; |
| |
| tx.oncomplete = function() { |
| shouldBe("continueCount", "7"); |
| finishJSTest(); |
| }; |
| } |
| </script> |
