gecko-dev/dom/indexedDB/test/unit/test_setVersion_exclusion.js

95 строки
2.8 KiB
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
var testGenerator = testSteps();
function* testSteps()
{
const name = this.window ? window.location.pathname : "Splendid Test";
let request = indexedDB.open(name, 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
request.onsuccess = unexpectedSuccessHandler;
let request2 = indexedDB.open(name, 2);
request2.onerror = errorHandler;
request2.onupgradeneeded = unexpectedSuccessHandler;
request2.onsuccess = unexpectedSuccessHandler;
let event = yield undefined;
is(event.type, "upgradeneeded", "Expect an upgradeneeded event");
is(event.target, request, "Event should be fired on the request");
ok(event.target.result instanceof IDBDatabase, "Expect a database here");
let db = event.target.result;
is(db.version, 1, "Database has correct version");
db.onupgradeneeded = function() {
ok(false, "our ongoing VERSION_CHANGE transaction should exclude any others!");
}
db.createObjectStore("foo");
try {
db.transaction("foo");
ok(false, "Transactions should be disallowed now!");
} catch (e) {
ok(e instanceof DOMException, "Expect a DOMException");
is(e.name, "InvalidStateError", "Expect an InvalidStateError");
is(e.code, DOMException.INVALID_STATE_ERR, "Expect an INVALID_STATE_ERR");
}
request.onupgradeneeded = unexpectedSuccessHandler;
request.transaction.oncomplete = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "complete", "Got complete event");
try {
db.transaction("foo");
ok(true, "Transactions should be allowed now!");
} catch (e) {
ok(false, "Transactions should be allowed now!");
}
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "success", "Expect a success event");
is(event.target.result, db, "Same database");
db.onversionchange = function() {
ok(true, "next setVersion was unblocked appropriately");
db.close();
}
try {
db.transaction("foo");
ok(true, "Transactions should be allowed now!");
} catch (e) {
ok(false, "Transactions should be allowed now!");
}
request.onsuccess = unexpectedSuccessHandler;
request2.onupgradeneeded = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "upgradeneeded", "Expect an upgradeneeded event");
db = event.target.result;
is(db.version, 2, "Database has correct version");
request2.onupgradeneeded = unexpectedSuccessHandler;
request2.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "success", "Expect a success event");
is(event.target.result, db, "Same database");
is(db.version, 2, "Database has correct version");
finishTest();
}