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Issue 101503003:
Test for prefetch cache resetting on IDBObjectStore.clear() (Closed)
Base URL: svn://svn.chromium.org/blink/trunk| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <script src="../../resources/js-test.js"></script> | |
| 3 <script src="resources/shared.js"></script> | |
| 4 <script> | |
| 5 | |
| 6 description("Ensure IndexedDB's write operations invalidate cursor prefetch cach es"); | |
| 7 | |
| 8 indexedDBTest(prepareDatabase, onOpenSuccess); | |
| 9 function prepareDatabase(evt) | |
| 10 { | |
| 11 preamble(evt); | |
| 12 evalAndLog("db = event.target.result"); | |
| 13 evalAndLog("store = db.createObjectStore('store')"); | |
| 14 } | |
| 15 | |
| 16 function onOpenSuccess(evt) | |
| 17 { | |
| 18 preamble(evt); | |
| 19 evalAndLog("db = event.target.result"); | |
| 20 | |
| 21 var steps = [ | |
| 22 deleteRange, | |
| 23 clearStore | |
| 24 ]; | |
| 25 | |
| 26 (function nextStep() { | |
| 27 var step = steps.shift(); | |
| 28 if (step) { | |
| 29 doPrefetchInvalidationTest(step, nextStep); | |
| 30 } else { | |
| 31 finishJSTest(); | |
| 32 return; | |
| 33 } | |
| 34 }()); | |
|
dgrogan
2013/12/19 21:53:06
What's the advantage to the (function {...}()) pat
jsbell
2013/12/19 22:04:25
Not quite it's not quite an IIFE (http://en.wikipe
dgrogan
2013/12/19 23:00:16
No, it's fine.
| |
| 35 } | |
| 36 | |
| 37 function doPrefetchInvalidationTest(operation, callback) | |
| 38 { | |
| 39 debug(""); | |
| 40 debug("-------------------------------------------"); | |
| 41 preamble(); | |
| 42 evalAndLog("store = db.transaction('store', 'readwrite').objectStore('store' )"); | |
| 43 debug("Populate the store with 200 records."); | |
| 44 for (var i = 0; i < 200; ++i) | |
| 45 store.put(i, i); | |
| 46 evalAndLog("cursorRequest = store.openCursor()"); | |
| 47 continue100Times(operation, callback); | |
| 48 } | |
| 49 | |
| 50 function continue100Times(operation, callback) | |
| 51 { | |
| 52 preamble(); | |
| 53 var count = 0; | |
| 54 | |
| 55 cursorRequest.onsuccess = function() { | |
| 56 var cursor = cursorRequest.result; | |
| 57 ++count; | |
| 58 if (count < 100) { | |
| 59 cursor.continue(); | |
| 60 return; | |
| 61 } | |
| 62 shouldBeNonNull("cursorRequest.result"); | |
| 63 doOperationAndContinue(operation, callback); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 function doOperationAndContinue(operation, callback) | |
| 68 { | |
| 69 preamble(); | |
| 70 operation(); | |
| 71 evalAndLog("cursor = cursorRequest.result"); | |
| 72 evalAndLog("cursor.continue()") | |
| 73 cursorRequest.onsuccess = function onContinueSuccess() { | |
| 74 preamble(); | |
| 75 shouldBeNull("cursorRequest.result"); | |
| 76 callback(); | |
| 77 }; | |
| 78 } | |
| 79 | |
| 80 function deleteRange() | |
| 81 { | |
| 82 return evalAndLog("store.delete(IDBKeyRange.bound(-Infinity, +Infinity))"); | |
| 83 } | |
| 84 | |
| 85 function clearStore() | |
| 86 { | |
| 87 return evalAndLog("store.clear()"); | |
| 88 } | |
| 89 | |
| 90 </script> | |
| OLD | NEW |
