<!doctype html>
<meta charset="utf8">
<title>IndexedDB: index renaming error handling</title>
<link rel="help"
href="https://w3c.github.io/IndexedDB/#dom-idbindex-name">
<link rel="author" href="[email protected]" 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 => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
database.close();
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
const index = store.index('by_author');
store.deleteIndex('by_author');
assert_throws_dom(
'InvalidStateError', () => index.name = 'renamed_by_author');
})).then(database => database.close());
}, 'IndexedDB deleted index rename throws');
promise_test(testCase => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
const index = store.index('by_author');
assert_throws_dom(
'InvalidStateError', () => index.name = 'renamed_by_author');
database.close();
});
}, 'IndexedDB index 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', {durability: 'relaxed'});
const store = transaction.objectStore('books');
const index = store.index('by_author');
assert_throws_dom(
'InvalidStateError', () => index.name = 'renamed_by_author');
database.close();
});
}, 'IndexedDB index rename throws in a readwrite transaction');
promise_test(testCase => {
let authorIndex = null;
return createDatabase(testCase, (database, transaction) => {
const store = createBooksStore(testCase, database);
authorIndex = store.index('by_author');
}).then(database => {
assert_throws_dom(
'TransactionInactiveError',
() => authorIndex.name = 'renamed_by_author');
database.close();
});
}, 'IndexedDB index 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');
const index = store.index('by_author');
assert_throws_dom('ConstraintError', () => index.name = 'by_title');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'An index rename that throws an exception should not change the ' +
"index's IDBObjectStore.indexNames");
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'Committing a transaction with a failed store rename attempt ' +
"should not change the index's IDBObjectStore.indexNames");
const index = store.index('by_author');
return checkAuthorIndexContents(
testCase, index,
'Committing a transaction with a failed rename attempt should ' +
"not change the index's contents").then(() => database.close());
});
}, 'IndexedDB index rename to the name of another index throws');
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');
const index = store.index('by_author');
const exception = { name: 'Custom stringifying error' };
assert_throws_exactly(
exception,
() => {
index.name = {
toString: () => { throw exception; }
};
}, 'IDBObjectStore rename should re-raise toString() exception');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'An index rename that throws an exception should not change the ' +
"index's IDBObjectStore.indexNames");
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'Committing a transaction with a failed store rename attempt ' +
"should not change the index's IDBObjectStore.indexNames");
const index = store.index('by_author');
return checkAuthorIndexContents(
testCase, index,
'Committing a transaction with a failed rename attempt should ' +
"not change the index's contents").then(() => database.close());
});
}, 'IndexedDB index rename handles exceptions when stringifying names');
</script>