| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/runner.js"></script> |
| <script> |
| |
| var iterationCount = 10; |
| |
| // Delete all databases for the test ahead of time. |
| var databaseName = "objectstore-cursor-DB"; |
| indexedDB.deleteDatabase(databaseName).onsuccess = function() { |
| startIteration(); |
| } |
| |
| var testGenerator = null; |
| var db = null; |
| var currentIteration = 0; |
| |
| PerfTestRunner.prepareToMeasureValuesAsync({ |
| customIterationCount: iterationCount, |
| unit: 'ms', |
| done: function () { |
| db = null; |
| testGenerator = null; |
| PerfTestRunner.gc(); |
| ++currentIteration; |
| } |
| }); |
| |
| function startIteration() |
| { |
| testGenerator = runIteration(); |
| nextStep(); |
| } |
| |
| function nextStep() |
| { |
| testGenerator.next(); |
| } |
| |
| function *runIteration() |
| { |
| var openRequest = indexedDB.open(databaseName); |
| openRequest.onupgradeneeded = function(event) { |
| db = event.target.result; |
| var objectStore = db.createObjectStore('store'); |
| for (var i = 0; i < 25000; ++i) { |
| var suffix = ("0000000" + i).slice(-7); |
| objectStore.put("bar_value_" + suffix, "foo_key_" + suffix); |
| } |
| } |
| openRequest.onsuccess = nextStep; |
| |
| yield; |
| |
| var startTime = PerfTestRunner.now(); |
| var cursorRequest = db.transaction('store').objectStore('store').openCursor(); |
| var cursorIteration = 0; |
| cursorRequest.onsuccess = function(event) { |
| var cursor = event.target.result; |
| if (cursor) { |
| var suffix = ("0000000" + cursorIteration).slice(-7); |
| if (cursor.key != "foo_key_" + suffix) |
| alert("Incorrect value retrieved: " + cursor.key); |
| if (cursor.value != "bar_value_" + suffix) |
| alert("Incorrect value retrieved: " + cursor.key); |
| ++cursorIteration; |
| cursor.continue(); |
| } else |
| nextStep(); |
| }; |
| |
| yield; |
| |
| if (!PerfTestRunner.measureValueAsync(PerfTestRunner.now() - startTime)) |
| return; |
| |
| setTimeout(startIteration, 0); |
| } |
| </script> |
| </body> |
| </html> |
