85 lines
1.9 KiB
HTML
85 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<body>
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<script src="../../resources/runner.js"></script>
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<script>
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const numberOfIterations = 20;
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const numberOfItems = 5000;
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// Delete database(s) for the test ahead of time.
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var databaseName = "objectstore-add-DB";
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indexedDB.deleteDatabase(databaseName).onsuccess = function() {
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startIteration();
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}
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var testGenerator = null;
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var db = null;
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PerfTestRunner.prepareToMeasureValuesAsync({
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customIterationCount: numberOfIterations,
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unit: 'ms',
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done: function () {
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db = null;
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testGenerator = null;
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PerfTestRunner.gc();
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}
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});
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function startIteration()
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{
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testGenerator = runIteration();
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nextStep();
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}
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function nextStep()
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{
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testGenerator.next();
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}
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function *runIteration()
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{
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var openRequest = indexedDB.open(databaseName);
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openRequest.onupgradeneeded = function(event) {
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db = event.target.result;
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var objectStore = db.createObjectStore('store');
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}
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openRequest.onsuccess = nextStep;
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yield;
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var startTime = PerfTestRunner.now();
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var objectStore = db.transaction('store', 'readwrite').objectStore('store');
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var completedAdds = 0;
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for (var i = 0; i < numberOfItems; ++i) {
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objectStore.add("value" + i, i).onsuccess = (function (key) {
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return function(event) {
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if (event.target.result != key)
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alert("Expected '" + key + "', got '" + event.target.result + "'");
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if (++completedAdds == numberOfItems)
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nextStep();
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}
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})(i);
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}
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yield;
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if (!PerfTestRunner.measureValueAsync(PerfTestRunner.now() - startTime))
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return;
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// Clear the object store so we don't add existing items in the next iteration.
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objectStore = db.transaction('store', 'readwrite').objectStore('store');
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objectStore.clear().onsuccess = function(event) {
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nextStep();
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}
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yield;
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setTimeout(startIteration, 0);
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}
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</script>
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</body>
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</html>
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