test_deleteDatabase_onblocked_duringVersionChange.js (2778B)
1 /** 2 * Any copyright is dedicated to the Public Domain. 3 * http://creativecommons.org/publicdomain/zero/1.0/ 4 */ 5 6 /* exported testGenerator */ 7 var testGenerator = testSteps(); 8 9 function* testSteps() { 10 const name = this.window ? window.location.pathname : "Splendid Test"; 11 const dbVersion = 10; 12 13 let openRequest = indexedDB.open(name, dbVersion); 14 openRequest.onerror = errorHandler; 15 openRequest.onblocked = errorHandler; 16 openRequest.onsuccess = unexpectedSuccessHandler; 17 openRequest.onupgradeneeded = grabEventAndContinueHandler; 18 19 let event = yield undefined; 20 21 is(event.type, "upgradeneeded", "Expect an upgradeneeded event"); 22 ok(event instanceof IDBVersionChangeEvent, "Expect a versionchange event"); 23 24 let db = event.target.result; 25 db.onversionchange = errorHandler; 26 db.createObjectStore("stuff"); 27 28 let deletingRequest = indexedDB.deleteDatabase(name); 29 deletingRequest.onerror = errorHandler; 30 deletingRequest.onsuccess = errorHandler; 31 deletingRequest.onblocked = errorHandler; 32 33 openRequest.onsuccess = grabEventAndContinueHandler; 34 35 event = yield undefined; 36 37 is(event.type, "success", "Expect a success event"); 38 is(event.target, openRequest, "Event has right target"); 39 ok(event.target.result instanceof IDBDatabase, "Result should be a database"); 40 is(db.objectStoreNames.length, 1, "Expect an objectStore here"); 41 42 db.onversionchange = grabEventAndContinueHandler; 43 44 event = yield undefined; 45 46 is(event.type, "versionchange", "Expect an versionchange event"); 47 is(event.target, db, "Event has right target"); 48 ok(event instanceof IDBVersionChangeEvent, "Expect a versionchange event"); 49 is(event.oldVersion, dbVersion, "Correct old version"); 50 is(event.newVersion, null, "Correct new version"); 51 52 deletingRequest.onblocked = grabEventAndContinueHandler; 53 54 event = yield undefined; 55 56 is(event.type, "blocked", "Expect an blocked event"); 57 is(event.target, deletingRequest, "Event has right target"); 58 ok(event instanceof IDBVersionChangeEvent, "Expect a versionchange event"); 59 is(event.oldVersion, dbVersion, "Correct old version"); 60 is(event.newVersion, null, "Correct new version"); 61 62 deletingRequest.onsuccess = grabEventAndContinueHandler; 63 db.close(); 64 65 event = yield undefined; 66 67 is(event.type, "success", "expect a success event"); 68 is(event.target, deletingRequest, "event has right target"); 69 is(event.target.result, undefined, "event should have no result"); 70 71 openRequest = indexedDB.open(name, 1); 72 openRequest.onerror = errorHandler; 73 openRequest.onsuccess = grabEventAndContinueHandler; 74 75 event = yield undefined; 76 db = event.target.result; 77 is(db.version, 1, "DB has proper version"); 78 is(db.objectStoreNames.length, 0, "DB should have no object stores"); 79 80 db.close(); 81 82 finishTest(); 83 }