| <!DOCTYPE html> |
| <script src="../../resources/js-test.js"></script> |
| <script src="resources/shared.js"></script> |
| <script> |
| |
| description("Verify Indexed DB transactions are ordered per spec"); |
| |
| indexedDBTest(prepareDatabase, onOpen); |
| |
| function prepareDatabase(evt) |
| { |
| preamble(evt); |
| evalAndLog("db = event.target.result"); |
| evalAndLog("store = db.createObjectStore('store')"); |
| } |
| |
| function onOpen(evt) |
| { |
| preamble(evt); |
| evalAndLog("db = event.target.result"); |
| debug(""); |
| debug("Create in order tx1, tx2"); |
| evalAndLog("tx1 = db.transaction('store', 'readwrite')"); |
| evalAndLog("tx2 = db.transaction('store', 'readwrite')"); |
| debug(""); |
| debug("Use in order tx2, tx1"); |
| evalAndLog("tx2.objectStore('store').get(0)"); |
| evalAndLog("tx1.objectStore('store').get(0)"); |
| debug(""); |
| evalAndLog("order = []"); |
| |
| tx1.oncomplete = function(evt) { |
| debug("tx1 complete"); |
| order.push(1); |
| if (order.length === 2) done(); |
| }; |
| |
| tx2.oncomplete = function(evt) { |
| debug("tx1 complete"); |
| order.push(2); |
| if (order.length === 2) done(); |
| }; |
| |
| function done() { |
| preamble(); |
| // IndexedDB Spec: |
| // https://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#transaction-concept |
| // |
| // If multiple "readwrite" transactions are attempting to |
| // access the same object store (i.e. if they have overlapping |
| // scope), the transaction that was created first must be the |
| // transaction which gets access to the object store first. |
| // |
| shouldBeTrue("areArraysEqual(order, [ 1, 2 ])"); |
| finishJSTest(); |
| } |
| } |
| |
| |
| </script> |
