2010-06-23 12:46:08 -07:00
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<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<html>
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<head>
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<title>Indexed Database Property Test</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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2012-06-19 18:50:39 -07:00
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<script type="text/javascript;version=1.7">
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function testSteps()
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{
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const name = window.location.pathname;
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// Needs to be enough to saturate the thread pool.
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const SYNC_REQUEST_COUNT = 25;
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2012-06-29 09:48:35 -07:00
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let request = indexedDB.open(name, 1);
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2012-06-19 18:50:39 -07:00
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request.onerror = errorHandler;
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request.onupgradeneeded = grabEventAndContinueHandler;
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request.onsuccess = grabEventAndContinueHandler;
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let event = yield;
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let db = event.target.result;
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db.onerror = errorHandler;
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is(event.target.transaction.mode, "versionchange", "Correct mode");
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let objectStore = db.createObjectStore("foo", { autoIncrement: true });
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request = objectStore.add({});
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request.onerror = errorHandler;
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request.onsuccess = grabEventAndContinueHandler;
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event = yield;
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let key = event.target.result;
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ok(key, "Got a key");
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yield;
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let continueReading = true;
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let readerCount = 0;
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let writerCount = 0;
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let callbackCount = 0;
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// Generate a bunch of reads right away without returning to the event
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// loop.
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info("Generating " + SYNC_REQUEST_COUNT + " readonly requests");
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for (let i = 0; i < SYNC_REQUEST_COUNT; i++) {
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readerCount++;
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let request = db.transaction("foo").objectStore("foo").get(key);
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request.onsuccess = function(event) {
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is(event.target.transaction.mode, "readonly", "Correct mode");
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callbackCount++;
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};
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}
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while (continueReading) {
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readerCount++;
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info("Generating additional readonly request (" + readerCount + ")");
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let request = db.transaction("foo").objectStore("foo").get(key);
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request.onsuccess = function(event) {
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callbackCount++;
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info("Received readonly request callback (" + callbackCount + ")");
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is(event.target.transaction.mode, "readonly", "Correct mode");
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if (callbackCount == SYNC_REQUEST_COUNT) {
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writerCount++;
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info("Generating 1 readwrite request with " + readerCount +
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" previous readonly requests");
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let request = db.transaction("foo", "readwrite")
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.objectStore("foo")
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.add({}, readerCount);
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request.onsuccess = function(event) {
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callbackCount++;
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info("Received readwrite request callback (" + callbackCount + ")");
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is(event.target.transaction.mode, "readwrite", "Correct mode");
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is(event.target.result, callbackCount,
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"write callback came before later reads");
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}
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}
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else if (callbackCount == SYNC_REQUEST_COUNT + 5) {
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continueReading = false;
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}
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};
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setTimeout(function() { testGenerator.next(); }, writerCount ? 1000 : 100);
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yield;
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}
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while (callbackCount < (readerCount + writerCount)) {
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executeSoon(function() { testGenerator.next(); });
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yield;
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}
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is(callbackCount, readerCount + writerCount, "All requests accounted for");
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finishTest();
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yield;
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}
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</script>
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2010-06-23 12:46:08 -07:00
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<script type="text/javascript;version=1.7" src="helpers.js"></script>
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</head>
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<body onload="runTest();"></body>
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</html>
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