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+<!doctype html>
+<meta charset="utf8">
+<title>IndexedDB: object store renaming support in aborted transactions</title>
+<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/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/support-promises.js"></script>
+<script>
+'use strict';
+
+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(() => migrateDatabase(testCase, 2, (database, transaction) => {
+        bookStore = transaction.objectStore('books');
+        bookStore.name = 'renamed_books';
+
+        transaction.abort();
+
+        assert_equals(
+            bookStore.name, 'books',
+            'IDBObjectStore.name should not reflect the rename any more ' +
+            'immediately after transaction.abort() returns');
+        assert_array_equals(
+            database.objectStoreNames, ['books'],
+            'IDBDatabase.objectStoreNames should not reflect the rename ' +
+            'any more immediately after transaction.abort() returns');
+        assert_array_equals(
+            transaction.objectStoreNames, ['books'],
+            'IDBTransaction.objectStoreNames should not reflect the ' +
+            'rename any more immediately after transaction.abort() returns');
+    })).then(event => {
+        assert_equals(bookStore.name, 'books',
+                'IDBObjectStore.name should not reflect the rename any more ' +
+                'after the versionchange transaction is aborted');
+        const request = indexedDB.open(dbName, 1);
+        return promiseForRequest(testCase, request);
+    }).then(database => {
+        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', {durability: 'relaxed'});
+        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');
+
+promise_test(testCase => {
+    const dbName = databaseName(testCase);
+    let notBookStore = null;
+    return createDatabase(testCase, (database, transaction) => {
+    }).then(database => {
+        database.close();
+    }).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
+        notBookStore = createNotBooksStore(testCase, database);
+        notBookStore.name = 'not_books_renamed';
+        notBookStore.name = 'not_books_renamed_again';
+
+        transaction.abort();
+
+        assert_equals(
+            notBookStore.name, 'not_books_renamed_again',
+            'IDBObjectStore.name should reflect the last rename ' +
+            'immediately after transaction.abort() returns');
+        assert_array_equals(
+            database.objectStoreNames, [],
+            'IDBDatabase.objectStoreNames should not reflect the creation ' +
+            'or the rename any more immediately after transaction.abort() ' +
+            'returns');
+        assert_array_equals(
+            transaction.objectStoreNames, [],
+            'IDBTransaction.objectStoreNames should not reflect the ' +
+            'creation or the rename any more immediately after ' +
+            'transaction.abort() returns');
+        assert_array_equals(notBookStore.indexNames, [],
+            'IDBObjectStore.indexNames for the newly created store ' +
+            'should be empty immediately after transaction.abort() ' +
+            'returns');
+    })).then(event => {
+        assert_equals(
+            notBookStore.name, 'not_books_renamed_again',
+            'IDBObjectStore.name should reflect the last rename after the ' +
+            'versionchange transaction is aborted');
+        assert_array_equals(notBookStore.indexNames, [],
+            'IDBObjectStore.indexNames for the newly created store ' +
+            'should be empty after the versionchange transaction is aborted ' +
+            'returns');
+        const request = indexedDB.open(dbName, 1);
+        return promiseForRequest(testCase, request);
+    }).then(database => {
+        assert_array_equals(
+            database.objectStoreNames, [],
+            'IDBDatabase.objectStoreNames should not reflect the creation or ' +
+            'the rename after the versionchange transaction is aborted');
+
+        database.close();
+    });
+}, 'IndexedDB object store creation and rename in an aborted transaction');
+
+</script>