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/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
/* exported testGenerator */
var testGenerator = testSteps();
function* testSteps() {
const dbName = "window" in this ? window.location.pathname : "test";
const objName1 = "foo";
const objName2 = "bar";
const data1 = "1234567890";
const data2 = "0987654321";
const dataCount = 500;
let request = indexedDB.open(dbName, 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
let event = yield undefined;
is(event.type, "upgradeneeded", "Got upgradeneeded");
request.onupgradeneeded = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
let db = request.result;
let objectStore1 = db.createObjectStore(objName1, { autoIncrement: true });
let objectStore2 = db.createObjectStore(objName2, { autoIncrement: true });
info("Created object stores, adding data");
for (let i = 0; i < dataCount; i++) {
objectStore1.add(data1);
objectStore2.add(data2);
}
info("Done adding data");
event = yield undefined;
is(event.type, "success", "Got success");
let readResult = null;
let readError = null;
let writeAborted = false;
info("Creating readwrite transaction");
objectStore1 = db.transaction(objName1, "readwrite").objectStore(objName1);
objectStore1.openCursor().onsuccess = grabEventAndContinueHandler;
event = yield undefined;
let cursor = event.target.result;
is(cursor.value, data1, "Got correct data for readwrite transaction");
info("Modifying object store on readwrite transaction");
cursor.update(data2);
cursor.continue();
event = yield undefined;
info(
"Done modifying object store on readwrite transaction, creating " +
"readonly transaction"
);
objectStore2 = db.transaction(objName2, "readonly").objectStore(objName2);
request = objectStore2.getAll();
request.onsuccess = function (event) {
readResult = event.target.result;
is(
readResult.length,
dataCount,
"Got correct number of results on readonly transaction"
);
for (let i = 0; i < readResult.length; i++) {
is(readResult[i], data2, "Got correct data for readonly transaction");
}
if (writeAborted) {
continueToNextStep();
}
};
request.onerror = function (event) {
readResult = null;
readError = event.target.error;
ok(false, "Got read error: " + readError.name);
event.preventDefault();
if (writeAborted) {
continueToNextStep();
}
};
cursor = event.target.result;
is(cursor.value, data1, "Got correct data for readwrite transaction");
info("Aborting readwrite transaction");
cursor.source.transaction.abort();
writeAborted = true;
if (!readError && !readResult) {
info("Waiting for readonly transaction to complete");
yield undefined;
}
ok(readResult, "Got result from readonly transaction");
is(readError, null, "No read error");
is(writeAborted, true, "Aborted readwrite transaction");
finishTest();
}
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