blob: 7d392a547ba193349b74b258806357bc482936ab [file] [log] [blame]
if (this.importScripts) {
importScripts('../../../resources/js-test.js');
importScripts('shared.js');
}
description("Test IndexedDB's IDBCursor.continue() behavior when called beyond normal scope.");
var date = new Date();
// we set this pretty high because we get different behavior depending
// if we're in a pre-fetched state or not
self.testLength = 25;
indexedDBTest(prepareDatabase);
function prepareDatabase()
{
db = event.target.result;
self.trans = evalAndLog("trans = event.target.transaction");
shouldBeNonNull("trans");
trans.onabort = unexpectedAbortCallback;
self.objectStore = evalAndLog("db.createObjectStore('someObjectStore')");
self.indexObject = evalAndLog("objectStore.createIndex('someIndex', 'x')");
self.nextToAdd = 0;
addData();
}
function addData()
{
for (var i=0; i<self.testLength; i++) {
evalAndLog("objectStore.add({'x': " + i + " }, " + i + ")");
}
evalAndLog("continueTest()");
}
function continueTest()
{
debug("");
debug("Checking objectStore");
debug("====================");
var request = evalAndLog("indexObject.openCursor(null, 'next')");
evalAndLog("self.continueValue = 0");
request.onsuccess = evalAndLogCallback("doubleContinueCallback()");
request.onerror = unexpectedErrorCallback;
self.stage = 0;
}
function doubleContinueCallback()
{
evalAndLog("cursor = event.target.result");
if (cursor) {
debug("Checking value at " + self.continueValue);
// data should be valid before calling continue()
shouldBe("cursor.key", "" + self.continueValue);
shouldBe("cursor.value.x", "" + self.continueValue);
// Data should not change during iteration, even if continue() is called and extra time.
evalAndLog("cursor.continue()");
shouldBe("cursor.key", "" + self.continueValue);
shouldBe("cursor.value.x", "" + self.continueValue);
// Even if continue is called more than once, the value still shouldn't change.
evalAndExpectException("cursor.continue()", "DOMException.INVALID_STATE_ERR");
shouldBe("cursor.key", "" + self.continueValue);
shouldBe("cursor.value.x", "" + self.continueValue);
evalAndLog("self.continueValue++;");
} else {
evalAndLog("continueIndexTest()");
}
}
function continueIndexTest()
{
debug("");
debug("Checking index");
debug("==============");
var request = evalAndLog("indexObject.openCursor(null, 'next')");
evalAndLog("self.continueValue = 0");
request.onsuccess = doubleContinueIndexCallback;
request.onerror = unexpectedErrorCallback;
self.stage = 0;
}
function doubleContinueIndexCallback()
{
evalAndLog("cursor = event.target.result");
if (cursor) {
debug("Checking value at " + self.continueValue);
// data should be valid before calling continue()
shouldBe("cursor.key", "" + self.continueValue);
shouldBe("cursor.value.x", "" + self.continueValue);
// Data should not change during iteration, even if continue() is called and extra time.
evalAndLog("cursor.continue()");
shouldBe("cursor.key", "" + self.continueValue);
shouldBe("cursor.value.x", "" + self.continueValue);
// Even if continue is called more than once, the value still shouldn't change.
evalAndExpectException("cursor.continue()", "DOMException.INVALID_STATE_ERR");
shouldBe("cursor.key", "" + self.continueValue);
shouldBe("cursor.value.x", "" + self.continueValue);
evalAndLog("self.continueValue++;");
} else {
evalAndLog("testModifyContinueOrder()");
}
}
// Note: This mutates the data
function testModifyContinueOrder()
{
debug("");
debug("Checking modification");
debug("=====================");
var request = evalAndLog("indexObject.openCursor(null, 'next')");
evalAndLog("self.continueValue = 0");
request.onsuccess = modifyContinueOrderCallback;
request.onerror = unexpectedErrorCallback;
self.stage = 0;
}
function modifyContinueOrderCallback()
{
cursor = evalAndLog("cursor = event.target.result");
self.continueValue++;
if (cursor) {
debug("");
debug("Index key is: " + cursor.key);
debug("Primary key is: " + cursor.primaryKey);
debug("Value.x is: " + cursor.value.x);
debug("Continue value: " + self.continueValue);
// we sprinkle these checks across the dataset, to sample
// behavior against pre-fetching. Make sure to use prime
// numbers for these checks to avoid overlap.
if (self.continueValue % 2 == 0) {
// it's ok to call update() and then continue..
debug("New Index key for primary key " + cursor.primaryKey + " is " + (100 + self.continueValue));
evalAndLog("cursor.update({ x: 100 + self.continueValue })");
evalAndLog("cursor.continue()");
} else if (self.continueValue % 3 == 0) {
// it's ok to call delete() and then continue
debug("Deleting primary key " + cursor.primaryKey + " which currently has Index key " + cursor.key);
evalAndLog("cursor.delete()");
evalAndLog("cursor.continue()");
} else if (self.continueValue % 5 == 0) {
// it's NOT ok to call continue and then update
evalAndLog("cursor.continue()");
debug("Expecting exception setting new Index key for primary key " + cursor.primaryKey + " to " + (100 + self.continueValue));
evalAndExpectException("cursor.update({ x: 100 + self.continueValue})",
"DOMException.INVALID_STATE_ERR");
} else if (self.continueValue % 7 == 0) {
// it's NOT ok to call continue and then delete
evalAndLog("cursor.continue()");
debug("Expecting exception deleting primary key " + cursor.primaryKey + " which currently has Index key " + cursor.key);
evalAndExpectException("cursor.delete()",
"DOMException.INVALID_STATE_ERR");
} else {
evalAndLog("cursor.continue()");
}
} else {
finishJSTest();
}
}