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/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
const dbName = "window" in this ? window.location.pathname : "test";
const dbVersion = 1;
const objName1 = "o1";
const objName2 = "o2";
const idxName1 = "i1";
const idxName2 = "i2";
const idxKeyPathProp = "idx";
const objDataProp = "data";
const objData = "1234567890";
const objDataCount = 5;
const loopCount = 100;
/* exported testGenerator */
var testGenerator = testSteps();
function* testSteps() {
let req = indexedDB.open(dbName, dbVersion);
req.onerror = errorHandler;
req.onupgradeneeded = grabEventAndContinueHandler;
req.onsuccess = grabEventAndContinueHandler;
let event = yield undefined;
is(event.type, "upgradeneeded", "Got upgradeneeded event");
let db = event.target.result;
let objectStore1 = db.createObjectStore(objName1);
objectStore1.createIndex(idxName1, idxKeyPathProp);
let objectStore2 = db.createObjectStore(objName2);
objectStore2.createIndex(idxName2, idxKeyPathProp);
for (let i = 0; i < objDataCount; i++) {
var data = {};
data[objDataProp] = objData;
data[idxKeyPathProp] = objDataCount - i - 1;
objectStore1.add(data, i);
objectStore2.add(data, i);
}
event = yield undefined;
is(event.type, "success", "Got success event");
doReadOnlyTransaction(db, 0, loopCount);
doReadWriteTransaction(db, 0, loopCount);
// Wait for readonly and readwrite transaction loops to complete.
yield undefined;
yield undefined;
finishTest();
}
function doReadOnlyTransaction(db, key, remaining) {
if (!remaining) {
info("Finished all readonly transactions");
continueToNextStep();
return;
}
info(
"Starting readonly transaction for key " +
key +
", " +
remaining +
" loops left"
);
let objectStore = db.transaction(objName1, "readonly").objectStore(objName1);
let index = objectStore.index(idxName1);
index.openKeyCursor(key, "prev").onsuccess = function (event) {
let cursor = event.target.result;
ok(cursor, "Got readonly cursor");
objectStore.get(cursor.primaryKey).onsuccess = function () {
if (++key == objDataCount) {
key = 0;
}
doReadOnlyTransaction(db, key, remaining - 1);
};
};
}
function doReadWriteTransaction(db, key, remaining) {
if (!remaining) {
info("Finished all readwrite transactions");
continueToNextStep();
return;
}
info(
"Starting readwrite transaction for key " +
key +
", " +
remaining +
" loops left"
);
let objectStore = db.transaction(objName2, "readwrite").objectStore(objName2);
objectStore.openCursor(key).onsuccess = function (event) {
let cursor = event.target.result;
ok(cursor, "Got readwrite cursor");
let value = cursor.value;
value[idxKeyPathProp]++;
cursor.update(value).onsuccess = function () {
if (++key == objDataCount) {
key = 0;
}
doReadWriteTransaction(db, key, remaining - 1);
};
};
}
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