gecko/dom/indexedDB/test/unit/test_cursor_mutation.js

116 lines
3.2 KiB
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
var testGenerator = testSteps();
function testSteps()
{
const objectStoreData = [
// This one will be removed.
{ ss: "237-23-7732", name: "Bob" },
// These will always be included.
{ ss: "237-23-7733", name: "Ann" },
{ ss: "237-23-7734", name: "Ron" },
{ ss: "237-23-7735", name: "Sue" },
{ ss: "237-23-7736", name: "Joe" },
// This one will be added.
{ ss: "237-23-7737", name: "Pat" }
];
// Post-add and post-remove data ordered by name.
const objectStoreDataNameSort = [ 1, 4, 5, 2, 3 ];
let request = mozIndexedDB.open(this.window ? window.location.pathname : "Splendid Test", 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
let event = yield;
let db = event.target.result;
event.target.onsuccess = continueToNextStep;
let objectStore = db.createObjectStore("foo", { keyPath: "ss" });
objectStore.createIndex("name", "name", { unique: true });
for (let i = 0; i < objectStoreData.length - 1; i++) {
objectStore.add(objectStoreData[i]);
}
yield;
let count = 0;
let sawAdded = false;
let sawRemoved = false;
db.transaction("foo").objectStore("foo").openCursor().onsuccess =
function(event) {
event.target.transaction.oncomplete = continueToNextStep;
let cursor = event.target.result;
if (cursor) {
if (cursor.value.name == objectStoreData[0].name) {
sawRemoved = true;
}
if (cursor.value.name ==
objectStoreData[objectStoreData.length - 1].name) {
sawAdded = true;
}
cursor.continue();
count++;
}
};
yield;
is(count, objectStoreData.length - 1, "Good initial count");
is(sawAdded, false, "Didn't see item that is about to be added");
is(sawRemoved, true, "Saw item that is about to be removed");
count = 0;
sawAdded = false;
sawRemoved = false;
db.transaction("foo", "readwrite").objectStore("foo")
.index("name").openCursor().onsuccess = function(event) {
event.target.transaction.oncomplete = continueToNextStep;
let cursor = event.target.result;
if (cursor) {
if (cursor.value.name == objectStoreData[0].name) {
sawRemoved = true;
}
if (cursor.value.name ==
objectStoreData[objectStoreData.length - 1].name) {
sawAdded = true;
}
is(cursor.value.name,
objectStoreData[objectStoreDataNameSort[count++]].name,
"Correct name");
if (count == 1) {
let objectStore = event.target.transaction.objectStore("foo");
objectStore.delete(objectStoreData[0].ss)
.onsuccess = function(event) {
objectStore.add(objectStoreData[objectStoreData.length - 1])
.onsuccess =
function(event) {
cursor.continue();
};
};
}
else {
cursor.continue();
}
}
};
yield;
is(count, objectStoreData.length - 1, "Good final count");
is(sawAdded, true, "Saw item that was added");
is(sawRemoved, false, "Didn't see item that was removed");
finishTest();
yield;
}