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

106 строки
3.6 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";
ok(indexedDB.deleteDatabase, "deleteDatabase function should exist!");
let request = indexedDB.open(name, 10);
request.onerror = errorHandler;
request.onsuccess = unexpectedSuccessHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
ok(request instanceof IDBOpenDBRequest, "Expect an IDBOpenDBRequest");
let event = yield undefined;
is(event.type, "upgradeneeded", "Expect an upgradeneeded event");
ok(event instanceof IDBVersionChangeEvent, "Expect a versionchange event");
let db = event.target.result;
db.createObjectStore("stuff");
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "success", "Expect a success event");
is(event.target, request, "Event has right target");
ok(event.target.result instanceof IDBDatabase, "Result should be a database");
is(db.objectStoreNames.length, 1, "Expect an objectStore here");
request = indexedDB.open(name, 10);
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "success", "Expect a success event");
is(event.target, request, "Event has right target");
ok(event.target.result instanceof IDBDatabase, "Result should be a database");
let db2 = event.target.result;
is(db2.objectStoreNames.length, 1, "Expect an objectStore here");
var onversionchangecalled = false;
function closeDBs(event) {
onversionchangecalled = true;
ok(event instanceof IDBVersionChangeEvent, "expect a versionchange event");
is(event.oldVersion, 10, "oldVersion should be 10");
ok(event.newVersion === null, "newVersion should be null");
ok(!(event.newVersion === undefined), "newVersion should be null");
ok(!(event.newVersion === 0), "newVersion should be null");
db.close();
db2.close();
db.onversionchange = unexpectedSuccessHandler;
db2.onversionchange = unexpectedSuccessHandler;
}
// The IDB spec doesn't guarantee the order that onversionchange will fire
// on the dbs.
db.onversionchange = closeDBs;
db2.onversionchange = closeDBs;
request = indexedDB.deleteDatabase(name);
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
ok(request instanceof IDBOpenDBRequest, "Expect an IDBOpenDBRequest");
event = yield undefined;
ok(onversionchangecalled, "Expected versionchange events");
is(event.type, "success", "expect a success event");
is(event.target, request, "event has right target");
ok(event.target.result === undefined, "event should have no result");
request = indexedDB.open(name, 1);
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.target.result.version, 1, "DB has proper version");
is(event.target.result.objectStoreNames.length, 0, "DB should have no object stores");
request = indexedDB.deleteDatabase("thisDatabaseHadBetterNotExist");
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
ok(true, "deleteDatabase on a non-existent database succeeded");
request = indexedDB.open("thisDatabaseHadBetterNotExist");
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
ok(true, "after deleting a non-existent database, open should work");
finishTest();
}