зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
3.0 KiB
JavaScript
115 строки
3.0 KiB
JavaScript
/**
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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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var testGenerator = testSteps();
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function* testSteps()
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{
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const dbName = ("window" in this) ? window.location.pathname : "test";
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const objName1 = "foo";
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const objName2 = "bar";
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const data1 = "1234567890";
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const data2 = "0987654321";
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const dataCount = 500;
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let request = indexedDB.open(dbName, 1);
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request.onerror = errorHandler;
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request.onupgradeneeded = grabEventAndContinueHandler;
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let event = yield undefined;
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is(event.type, "upgradeneeded", "Got upgradeneeded");
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request.onupgradeneeded = errorHandler;
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request.onsuccess = grabEventAndContinueHandler;
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let db = request.result;
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let objectStore1 = db.createObjectStore(objName1, { autoIncrement: true });
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let objectStore2 = db.createObjectStore(objName2, { autoIncrement: true });
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info("Created object stores, adding data");
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for (let i = 0; i < dataCount; i++) {
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objectStore1.add(data1);
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objectStore2.add(data2);
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}
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info("Done adding data");
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event = yield undefined;
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is(event.type, "success", "Got success");
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let readResult = null;
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let readError = null;
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let writeAborted = false;
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info("Creating readwrite transaction");
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objectStore1 = db.transaction(objName1, "readwrite").objectStore(objName1);
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objectStore1.openCursor().onsuccess = grabEventAndContinueHandler;
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event = yield undefined;
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let cursor = event.target.result;
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is(cursor.value, data1, "Got correct data for readwrite transaction");
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info("Modifying object store on readwrite transaction");
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cursor.update(data2);
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cursor.continue();
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event = yield undefined;
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info("Done modifying object store on readwrite transaction, creating " +
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"readonly transaction");
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objectStore2 = db.transaction(objName2, "readonly").objectStore(objName2);
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request = objectStore2.getAll();
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request.onsuccess = function(event) {
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readResult = event.target.result;
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is(readResult.length,
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dataCount,
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"Got correct number of results on readonly transaction");
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for (let i = 0; i < readResult.length; i++) {
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is(readResult[i], data2, "Got correct data for readonly transaction");
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}
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if (writeAborted) {
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continueToNextStep();
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}
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};
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request.onerror = function(event) {
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readResult = null;
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readError = event.target.error;
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ok(false, "Got read error: " + readError.name);
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event.preventDefault();
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if (writeAborted) {
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continueToNextStep();
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}
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};
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cursor = event.target.result;
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is(cursor.value, data1, "Got correct data for readwrite transaction");
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info("Aborting readwrite transaction");
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cursor.source.transaction.abort();
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writeAborted = true;
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if (!readError && !readResult) {
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info("Waiting for readonly transaction to complete");
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yield undefined;
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}
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ok(readResult, "Got result from readonly transaction");
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is(readError, null, "No read error");
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is(writeAborted, true, "Aborted readwrite transaction");
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finishTest();
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}
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