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Unified Diff: third_party/WebKit/LayoutTests/storage/indexeddb/rename-object-store.html

Issue 2276593002: Support renaming of IndexedDB indexes and object stores. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Hid indexeddb renames behind RuntimeEnabled flag. Created 4 years, 3 months ago
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Index: third_party/WebKit/LayoutTests/storage/indexeddb/rename-object-store.html
diff --git a/third_party/WebKit/LayoutTests/storage/indexeddb/rename-object-store.html b/third_party/WebKit/LayoutTests/storage/indexeddb/rename-object-store.html
new file mode 100644
index 0000000000000000000000000000000000000000..7bd4417abd3dc85eb06213d262cd490e20b0e929
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/storage/indexeddb/rename-object-store.html
@@ -0,0 +1,651 @@
+<!DOCTYPE html>
+<title>IndexedDB: object store renaming support</title>
+<script src='../../resources/testharness.js'></script>
+<link rel="help"
+ href="https://w3c.github.io/IndexedDB/#dom-idbobjectstore-name">
+<link rel="author" href="pwnall@chromium.org" title="Victor Costan">
+<script src='../../resources/testharnessreport.js'></script>
+<script>
+
+// Returns an IndexedDB database name likely to be unique to the test case.
+const databaseName = function(testCase) {
+ return 'db' + self.location.pathname + '-' + testCase.name;
+};
+
+// Creates an EventWatcher covering all the events that can be issued by
+// IndexedDB requests and transactions.
+const requestWatcher = function(testCase, request) {
+ return new EventWatcher(testCase, request,
+ ['error', 'success', 'upgradeneeded']);
+};
+
+// Migrates an IndexedDB database whose name is unique for the test case.
+//
+// setupCallback will be called during a versionchange transaction, and will be
+// given the created database and the versionchange transaction.
+//
+// Returns a promise that resolves to an IndexedDB database. The caller must
+// close the database.
+const migrateDatabase = function(testCase, newVersion, setupCallback) {
+ // We cannot use eventWatcher.wait_for('upgradeneeded') here, because
+ // the versionchange transaction auto-commits before the Promise's then
+ // callback gets called.
+ return new Promise((resolve, reject) => {
+ const request = indexedDB.open(databaseName(testCase), newVersion);
+ request.onupgradeneeded = event => {
+ const eventWatcher = requestWatcher(testCase, request);
+ const database = event.target.result;
+ const transaction = event.target.transaction;
+ setupCallback(database, transaction);
+ resolve(eventWatcher.wait_for('success'));
+ };
+ request.onerror = event => reject(event.target.error);
+ }).then(event => event.target.result);
+};
+
+// Creates an IndexedDB database whose name is unique for the test case.
+//
+// setupCallback will be called during a versionchange transaction, and will be
+// given the created database and the versionchange transaction.
+//
+// Returns a promise that resolves to an IndexedDB database. The caller must
+// close the database.
+const createDatabase = function(testCase, setupCallback) {
+ const request = indexedDB.deleteDatabase(databaseName(testCase));
+ const eventWatcher = requestWatcher(testCase, request);
+
+ return eventWatcher.wait_for('success').then(event =>
+ migrateDatabase(testCase, 1, setupCallback));
+};
+
+// Creates a 'books' object store whose contents closely resembles the first
+// example in the IndexedDB specification.
+const createBooksStore = function(testCase, database) {
+ const store = database.createObjectStore('books',
+ { keyPath: 'isbn', autoIncrement: true });
+ store.createIndex('by_author', 'author');
+ store.createIndex('by_title', 'title', { unique: true });
jsbell 2016/09/02 22:57:37 nit: extra space
pwnall 2016/09/03 06:01:19 Done.
+ store.put({ title: 'Quarry Memories', author: 'Fred', isbn: 123456 });
+ store.put({ title: 'Water Buffaloes', author: 'Fred', isbn: 234567 });
+ store.put({ title: 'Bedrock Nights', author: 'Barney', isbn: 345678 });
+ return store;
+};
+
+// Creates a 'not_books' object store used to test renaming into existing or
+// deleted store names.
+const createNotBooksStore = function(testCase, database) {
+ return database.createObjectStore('not_books');
+};
+
+// Renames the 'books' store to 'renamed_books'.
+//
+// Returns a promise that resolves to an IndexedDB database. The caller must
+// close the database.
+const renameBooksStore = function(testCase) {
+ return migrateDatabase(testCase, 2, (database, transaction) => {
jsbell 2016/09/02 22:57:37 nit: extra space
pwnall 2016/09/03 06:01:20 Done.
+ const store = transaction.objectStore('books');
+ store.name = 'renamed_books';
+ });
+};
+
+// Verifies that an object store's contents matches the contents used to create
+// the books store in the test database's version 1.
+//
+// The errorMessage is used if the assertions fail. It can state that the
+// IndexedDB implementation being tested is incorrect, or that the testing code
+// is using it incorrectly.
+const checkStoreContents = function(testCase, store, errorMessage) {
+ const request = store.get(123456);
+ const eventWatcher = requestWatcher(testCase, request);
+ return eventWatcher.wait_for('success').then(() => {
+ const result = request.result;
+ assert_equals(result.isbn, 123456, errorMessage);
+ assert_equals(result.author, 'Fred', errorMessage);
+ assert_equals(result.title, 'Quarry Memories', errorMessage);
+ });
+};
+
+// Verifies that an object store's index matches the index used to create the
+// books store in the test database's version 1.
+//
+// The errorMessage is used if the assertions fail. It can state that the
+// IndexedDB implementation being tested is incorrect, or that the testing code
+// is using it incorrectly.
+const checkStoreIndex = function(testCase, store, errorMessage) {
+ assert_array_equals(
+ store.indexNames, ['by_author', 'by_title'], errorMessage);
+ const index = store.index('by_author');
+ const request = index.get('Barney');
+ const eventWatcher = requestWatcher(testCase, request);
+ return eventWatcher.wait_for('success').then(() => {
+ const result = request.result;
+ assert_equals(result.isbn, 345678, errorMessage);
+ assert_equals(result.title, 'Bedrock Nights', errorMessage);
+ });
+};
+
+// Verifies that an object store's key generator is in the same state as the
+// key generator created for the books store in the test database's version 1.
+//
+// The errorMessage is used if the assertions fail. It can state that the
+// IndexedDB implementation being tested is incorrect, or that the testing code
+// is using it incorrectly.
+const checkStoreGenerator = function(testCase,
+ store,
+ expectedKey,
+ errorMessage) {
+ const request = store.put(
+ { title: 'Bedrock Nights ' + expectedKey, author: 'Barney' });
+ const eventWatcher = requestWatcher(testCase, request);
+ return eventWatcher.wait_for('success').then(() => {
+ const result = request.result;
+ assert_equals(result, expectedKey, errorMessage);
+ });
+};
+
+promise_test(testCase => {
+ let bookStore = null, bookStore2 = null;
+ let renamedBookStore = null, renamedBookStore2 = null;
+ return createDatabase(testCase, (database, transaction) => {
+ bookStore = createBooksStore(testCase, database);
+ }).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'Test setup should have created a "books" object store');
+ const transaction = database.transaction('books', 'readonly');
+ bookStore2 = transaction.objectStore('books');
+ return checkStoreContents(
+ testCase, bookStore2,
+ 'The store content checks should pass before any renaming').then(
+ () => database.close());
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ renamedBookStore = transaction.objectStore('books');
+ renamedBookStore.name = 'renamed_books';
+
+ assert_equals(
+ renamedBookStore.name, 'renamed_books',
+ 'IDBObjectStore name should change immediately after a rename');
+ assert_array_equals(
+ database.objectStoreNames, ['renamed_books'],
+ 'IDBDatabase.objectStoreNames should immediately reflect the ' +
+ 'rename');
+ assert_equals(
+ transaction.objectStore('renamed_books'), renamedBookStore,
+ 'IDBTransaction.objectStore should return the renamed object ' +
+ 'store when queried using the new name immediately after the ' +
+ 'rename');
+ assert_throws(
+ 'NotFoundError', () => transaction.objectStore('books'),
+ 'IDBTransaction.objectStore should throw when queried using the ' +
+ "renamed object store's old name immediately after the rename");
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['renamed_books'],
+ 'IDBDatabase.objectStoreNames should still reflect the rename ' +
+ 'after the versionchange transaction commits');
+ const transaction = database.transaction('renamed_books', 'readonly');
+ renamedBookStore2 = transaction.objectStore('renamed_books');
+ return checkStoreContents(
+ testCase, renamedBookStore2,
+ 'Renaming an object store should not change its records').then(
+ () => database.close());
+ }).then(() => {
+ assert_equals(
+ bookStore.name, 'books',
+ 'IDBObjectStore obtained before the rename transaction should ' +
+ 'not reflect the rename');
+ assert_equals(
+ bookStore2.name, 'books',
+ 'IDBObjectStore obtained before the rename transaction should ' +
+ 'not reflect the rename');
+ assert_equals(
+ renamedBookStore.name, 'renamed_books',
+ 'IDBObjectStore used in the rename transaction should keep ' +
+ 'reflecting the new name after the transaction is committed');
+ assert_equals(
+ renamedBookStore2.name, 'renamed_books',
+ 'IDBObjectStore obtained after the rename transaction should ' +
+ 'reflect the new name');
+ });
+}, 'IndexedDB object store rename in new transaction');
+
+promise_test(testCase => {
+ let renamedBookStore = null, renamedBookStore2 = null;
+ return createDatabase(testCase, (database, transaction) => {
+ renamedBookStore = createBooksStore(testCase, database);
+ renamedBookStore.name = 'renamed_books';
+
+ assert_equals(
+ renamedBookStore.name, 'renamed_books',
+ 'IDBObjectStore name should change immediately after a rename');
+ assert_array_equals(
+ database.objectStoreNames, ['renamed_books'],
+ 'IDBDatabase.objectStoreNames should immediately reflect the ' +
+ 'rename');
+ assert_equals(
+ transaction.objectStore('renamed_books'), renamedBookStore,
+ 'IDBTransaction.objectStore should return the renamed object ' +
+ 'store when queried using the new name immediately after the ' +
+ 'rename');
+ assert_throws(
+ 'NotFoundError', () => transaction.objectStore('books'),
+ 'IDBTransaction.objectStore should throw when queried using the ' +
+ "renamed object store's old name immediately after the rename");
+ }).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['renamed_books'],
+ 'IDBDatabase.objectStoreNames should still reflect the rename ' +
+ 'after the versionchange transaction commits');
+ const transaction = database.transaction('renamed_books', 'readonly');
+ renamedBookStore2 = transaction.objectStore('renamed_books');
+ return checkStoreContents(
+ testCase, renamedBookStore2,
+ 'Renaming an object store should not change its records').then(
+ () => database.close());
+ }).then(() => {
+ assert_equals(
+ renamedBookStore.name, 'renamed_books',
+ 'IDBObjectStore used in the rename transaction should keep ' +
+ 'reflecting the new name after the transaction is committed');
+ assert_equals(
+ renamedBookStore2.name, 'renamed_books',
+ 'IDBObjectStore obtained after the rename transaction should ' +
+ 'reflect the new name');
+ });
+}, 'IndexedDB object store rename in the transaction where it is created');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ const transaction = database.transaction('books', 'readonly');
+ const store = transaction.objectStore('books');
+ return checkStoreIndex(
+ testCase, store,
+ 'The object store index should pass before any renaming').then(
+ () => database.close());
+ }).then(() => renameBooksStore(testCase)
+ ).then(database => {
+ const transaction = database.transaction('renamed_books', 'readonly');
+ const store = transaction.objectStore('renamed_books');
+ return checkStoreIndex(
+ testCase, store,
+ 'Renaming an object store should not change its indexes').then(
+ () => database.close());
+ });
+}, 'IndexedDB object store rename covers index');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ const transaction = database.transaction('books', 'readwrite');
+ const store = transaction.objectStore('books');
+ return checkStoreGenerator(
+ testCase, store, 345679,
+ 'The object store key generator state test should pass before ' +
+ 'any renaming').then(() => database.close());
jsbell 2016/09/02 22:57:37 nit: extra space
pwnall 2016/09/03 06:01:20 Done.
+ }).then(() => renameBooksStore(testCase)
+ ).then(database => {
+ const transaction = database.transaction('renamed_books', 'readwrite');
+ const store = transaction.objectStore('renamed_books');
+ return checkStoreGenerator(
+ testCase, store, 345680,
+ 'Renaming an object store should not change the state of its key ' +
+ ' generator').then(() => database.close());
+ });
+}, 'IndexedDB object store rename covers key generator');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+ database.deleteObjectStore('books');
+ assert_throws('InvalidStateError', () => store.name = 'renamed_books');
+ })).then(database => {
+ database.close();
+ });
+}, 'IndexedDB deleted object store rename throws');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ const transaction = database.transaction('books', 'readonly');
+ const store = transaction.objectStore('books');
+ assert_throws('InvalidStateError', () => store.name = 'renamed_books');
+ database.close();
+ });
+}, 'IndexedDB object store rename throws in a readonly transaction');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ const transaction = database.transaction('books', 'readwrite');
+ const store = transaction.objectStore('books');
+
+ assert_throws('InvalidStateError', () => store.name = 'renamed_books');
+ database.close();
+ });
+}, 'IndexedDB object store rename throws in a readwrite transaction');
+
+promise_test(testCase => {
+ let bookStore = null;
+ return createDatabase(testCase, (database, transaction) => {
+ bookStore = createBooksStore(testCase, database);
+ }).then(database => {
+ assert_throws('TransactionInactiveError',
+ () => { bookStore.name = 'renamed_books'; });
+ database.close();
+ });
+}, 'IndexedDB object store rename throws in an inactive transaction');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+ store.name = 'books';
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'Renaming a store to the same name should not change ' +
+ "the store's IDBDatabase.objectStoreNames");
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'Committing a transaction that renames a store to the same name ' +
+ "should not change the store's IDBDatabase.objectStoreNames");
+ const transaction = database.transaction('books', 'readonly');
+ const store = transaction.objectStore('books');
+ return checkStoreContents(
+ testCase, store,
+ 'Committing a transaction that renames a store to the same name ' +
+ "should not change the store's contents").then(
+ () => database.close());
+ });
+}, 'IndexedDB object store rename to the same name succeeds');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ createNotBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+ assert_throws('ConstraintError', () => store.name = 'not_books');
+ assert_array_equals(
+ database.objectStoreNames, ['books', 'not_books'],
+ 'A store rename that throws an exception should not change the ' +
+ "store's IDBDatabase.objectStoreNames");
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['books', 'not_books'],
+ 'Committing a transaction with a failed store rename attempt ' +
+ "should not change the store's IDBDatabase.objectStoreNames");
+ const transaction = database.transaction('books', 'readonly');
+ const store = transaction.objectStore('books');
+ return checkStoreContents(
+ testCase, store,
+ 'Committing a transaction with a failed rename attempt should not' +
+ "change the store's contents").then(() => database.close());
+ });
+}, 'IndexedDB object store rename to the name of another store throws');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ createNotBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+ database.deleteObjectStore('not_books');
+ store.name = 'not_books';
+ assert_array_equals(
+ database.objectStoreNames, ['not_books'],
+ 'IDBDatabase.objectStoreNames should immediately reflect the ' +
+ 'rename');
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['not_books'],
+ 'IDBDatabase.objectStoreNames should still reflect the rename ' +
+ 'after the versionchange transaction commits');
+ const transaction = database.transaction('not_books', 'readonly');
+ const store = transaction.objectStore('not_books');
+ return checkStoreContents(
+ testCase, store,
+ 'Renaming an object store should not change its records').then(
+ () => database.close());
+ });
+}, 'IndexedDB object store rename to the name of a deleted store succeeds');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ createNotBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const bookStore = transaction.objectStore('books');
+ const notBookStore = transaction.objectStore('not_books');
+
+ transaction.objectStore('books').name = 'tmp';
+ transaction.objectStore('not_books').name = 'books';
+ transaction.objectStore('tmp').name = 'not_books';
+
+ assert_array_equals(
+ database.objectStoreNames, ['books', 'not_books'],
+ 'IDBDatabase.objectStoreNames should immediately reflect the swap');
+
+ assert_equals(
+ transaction.objectStore('books'), notBookStore,
+ 'IDBTransaction.objectStore should return the original "books" ' +
+ 'store when queried with "not_books" after the swap');
+ assert_equals(
+ transaction.objectStore('not_books'), bookStore,
+ 'IDBTransaction.objectStore should return the original ' +
+ '"not_books" store when queried with "books" after the swap');
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['books', 'not_books'],
+ 'IDBDatabase.objectStoreNames should still reflect the swap ' +
+ 'after the versionchange transaction commits');
+ const transaction = database.transaction('not_books', 'readonly');
+ const store = transaction.objectStore('not_books');
+ assert_array_equals(
+ store.indexNames, ['by_author', 'by_title'],
+ '"not_books" index names should still reflect the swap after the ' +
+ 'versionchange transaction commits');
+ return checkStoreContents(
+ testCase, store,
+ 'Swapping two object stores should not change their records').then(
+ () => database.close());
+ });
+}, 'IndexedDB object store swapping via renames succeeds');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+
+ store.name = 42;
+ assert_equals(store.name, '42',
+ 'IDBObjectStore name should change immediately after a ' +
+ 'rename to a number');
+ assert_array_equals(
+ database.objectStoreNames, ['42'],
+ 'IDBDatabase.objectStoreNames should immediately reflect the ' +
+ 'stringifying rename');
+
+ store.name = true;
+ assert_equals(store.name, 'true',
+ 'IDBObjectStore name should change immediately after a ' +
+ 'rename to a boolean');
+
+ store.name = {};
+ assert_equals(store.name, '[object Object]',
+ 'IDBObjectStore name should change immediately after a ' +
+ 'rename to an object');
+
+ store.name = () => null;
+ assert_equals(store.name, '() => null',
+ 'IDBObjectStore name should change immediately after a ' +
+ 'rename to a function');
+
+ store.name = undefined;
+ assert_equals(store.name, 'undefined',
+ 'IDBObjectStore name should change immediately after a ' +
+ 'rename to undefined');
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['undefined'],
+ 'IDBDatabase.objectStoreNames should reflect the last rename ' +
+ 'after the versionchange transaction commits');
+ const transaction = database.transaction('undefined', 'readonly');
+ const store = transaction.objectStore('undefined');
+ return checkStoreContents(
+ testCase, store,
+ 'Renaming an object store should not change its records').then(
+ () => database.close());
+ });
+}, 'IndexedDB object store rename stringifies non-string names');
+
+promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+ assert_throws(
+ { name: 'Custom stringifying error'},
+ () => {
+ store.name = {
+ toString: () => { throw { name: 'Custom stringifying error'}; }
+ };
+ }, 'IDBObjectStore rename should re-raise toString() exception');
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'A store rename that throws an exception should not change the ' +
+ "store's IDBDatabase.objectStoreNames");
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'Committing a transaction with a failed store rename attempt ' +
+ "should not change the store's IDBDatabase.objectStoreNames");
+ const transaction = database.transaction('books', 'readonly');
+ const store = transaction.objectStore('books');
+ return checkStoreContents(
+ testCase, store,
+ 'Committing a transaction with a failed rename attempt should not' +
+ "change the store's contents").then(() => database.close());
+ });
+}, 'IndexedDB object store rename handles exceptions when stringifying names');
+
+for (let escapedName of ['', '\\u0000', '\\uDC00\\uD800']) ((escapedName) => {
+ const name = JSON.parse('"' + escapedName + '"');
+ promise_test(testCase => {
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+ const store = transaction.objectStore('books');
+
+ store.name = name;
+ assert_equals(store.name, name,
+ 'IDBObjectStore name should change immediately after the ' +
+ 'rename');
+ assert_array_equals(
+ database.objectStoreNames, [name],
+ 'IDBDatabase.objectStoreNames should immediately reflect the ' +
+ 'rename');
+ })).then(database => {
+ assert_array_equals(
+ database.objectStoreNames, [name],
+ 'IDBDatabase.objectStoreNames should reflect the rename ' +
+ 'after the versionchange transaction commits');
+ const transaction = database.transaction(name, 'readonly');
+ const store = transaction.objectStore(name);
+ return checkStoreContents(
+ testCase, store,
+ 'Renaming an object store should not change its records').then(
+ () => database.close());
+ });
+ }, 'IndexedDB object store can be renamed to "' + escapedName + '"');
+})(escapedName);
+
+promise_test(testCase => {
+ const dbName = databaseName(testCase);
+ let bookStore = null, bookStore2 = null;
+ return createDatabase(testCase, (database, transaction) => {
+ createBooksStore(testCase, database);
+ }).then(database => {
+ database.close();
+ }).then(() => new Promise((resolve, reject) => {
+ const request = indexedDB.open(dbName, 2);
+ request.onupgradeneeded = event => {
+ const database = event.target.result;
+ const transaction = event.target.transaction;
+ bookStore = transaction.objectStore('books');
+ bookStore.name = 'renamed_books';
+
+ request.onerror = event => {
+ event.preventDefault();
+ resolve(event);
+ };
+ transaction.abort();
+
+ assert_equals(
+ bookStore.name, 'books',
+ 'IDBObjectStore.name should not reflect the rename anymore ' +
+ 'immediately after transaction.abort() returns');
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'IDBDatabase.objectStoreNames should not reflect the rename ' +
+ 'anymore immediately after transaction.abort() returns');
+ };
+ request.onerror = event => reject(event.target.error);
+ request.onsuccess = () => reject(new Error(
+ 'indexedDB.open was not supposed to succeed'));
+ })).then(event => {
+ assert_equals(bookStore.name, 'books',
+ 'IDBObjectStore.name should not reflect the rename anymore ' +
+ 'after the versionchange transaction is aborted');
+ const request = indexedDB.open(dbName, 1);
+ return requestWatcher(testCase, request).wait_for('success');
+ }).then(event => {
+ const database = event.target.result;
+ assert_array_equals(
+ database.objectStoreNames, ['books'],
+ 'IDBDatabase.objectStoreNames should not reflect the rename ' +
+ 'after the versionchange transaction is aborted');
+
+ const transaction = database.transaction('books', 'readonly');
+ bookStore2 = transaction.objectStore('books');
+ return checkStoreContents(
+ testCase, bookStore2,
+ 'Aborting an object store rename transaction should not change ' +
+ "the store's records").then(() => database.close());
+ }).then(() => {
+ assert_equals(
+ bookStore.name, 'books',
+ 'IDBObjectStore used in aborted rename transaction should not ' +
+ 'reflect the rename after the transaction is aborted');
+ assert_equals(
+ bookStore2.name, 'books',
+ 'IDBObjectStore obtained after an aborted rename transaction ' +
+ 'should not reflect the rename');
+ });
+}, 'IndexedDB object store rename in aborted transaction');
+</script>
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