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244 lines
7 KiB
HTML
244 lines
7 KiB
HTML
<!doctype html>
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<meta charset="utf8">
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<meta name="timeout" content="long">
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<title>IndexedDB: transactions with large request results are aborted correctly</title>
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<link rel="help" href="https://w3c.github.io/IndexedDB/#abort-transaction">
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<link rel="author" href="pwnall@chromium.org" title="Victor Costan">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support-promises.js"></script>
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<script>
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'use strict';
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// Should be large enough to trigger large value handling in the IndexedDB
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// engines that have special code paths for large values.
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const wrapThreshold = 128 * 1024;
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function populateStore(store) {
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store.put({id: 1, key: 'k1', value: largeValue(wrapThreshold, 1) });
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store.put({id: 2, key: 'k2', value: ['small-2'] });
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store.put({id: 3, key: 'k3', value: largeValue(wrapThreshold, 3) });
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store.put({id: 4, key: 'k4', value: ['small-4'] });
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}
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// Opens index cursors for operations that require open cursors.
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//
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// onsuccess is called if all cursors are opened successfully. Otherwise,
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// onerror will be called at least once.
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function openCursors(testCase, index, operations, onerror, onsuccess) {
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let pendingCursors = 0;
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for (let operation of operations) {
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const opcode = operation[0];
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const primaryKey = operation[1];
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let request;
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switch (opcode) {
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case 'continue':
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request = index.openCursor(
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IDBKeyRange.lowerBound(`k${primaryKey - 1}`));
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break;
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case 'continue-empty':
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// k4 is the last key in the data set, so calling continue() will get
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// the cursor past the end of the store.
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request = index.openCursor(IDBKeyRange.lowerBound('k4'));
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break;
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default:
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continue;
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}
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operation[2] = request;
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++pendingCursors;
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request.onsuccess = testCase.step_func(() => {
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--pendingCursors;
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if (!pendingCursors)
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onsuccess();
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});
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request.onerror = testCase.step_func(onerror);
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}
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if (!pendingCursors)
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onsuccess();
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}
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function doOperation(testCase, store, index, operation, requestId, results) {
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const opcode = operation[0];
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const primaryKey = operation[1];
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const cursor = operation[2];
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return new Promise((resolve, reject) => {
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let request;
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switch (opcode) {
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case 'add': // Tests returning a primary key.
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request = store.add(
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{ key: `k${primaryKey}`, value: [`small-${primaryKey}`] });
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break;
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case 'put': // Tests returning a primary key.
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request = store.put(
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{ key: `k${primaryKey}`, value: [`small-${primaryKey}`] });
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break;
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case 'put-with-id': // Tests returning success or a primary key.
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request = store.put(
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{ key: `k${primaryKey}`, value: [`small-${primaryKey}`],
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id: primaryKey });
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break;
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case 'get': // Tests returning a value.
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case 'get-empty': // Tests returning undefined.
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request = store.get(primaryKey);
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break;
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case 'getall': // Tests returning an array of values.
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request = store.getAll();
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break;
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case 'error': // Tests returning an error.
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request = store.put(
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{ key: `k${primaryKey}`, value: [`small-${primaryKey}`] });
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break;
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case 'continue': // Tests returning a key, primary key, and value.
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case 'continue-empty': // Tests returning null.
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request = cursor;
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cursor.result.continue();
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break;
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case 'open': // Tests returning a cursor, key, primary key, and value.
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case 'open-empty': // Tests returning null.
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request = index.openCursor(IDBKeyRange.lowerBound(`k${primaryKey}`));
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break;
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case 'count': // Tests returning a numeric result.
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request = index.count();
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break;
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};
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request.onsuccess = testCase.step_func(() => {
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reject(new Error(
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'requests should not succeed after the transaction is aborted'));
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});
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request.onerror = testCase.step_func(event => {
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event.preventDefault();
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results.push([requestId, request.error]);
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resolve();
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});
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});
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}
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function abortTest(label, operations) {
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promise_test(testCase => {
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return createDatabase(testCase, (database, transaction) => {
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const store = database.createObjectStore(
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'test-store', { autoIncrement: true, keyPath: 'id' });
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store.createIndex('test-index', 'key', { unique: true });
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populateStore(store);
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}).then(database => {
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const transaction = database.transaction(['test-store'], 'readwrite');
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const store = transaction.objectStore('test-store');
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const index = store.index('test-index');
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return new Promise((resolve, reject) => {
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openCursors(testCase, index, operations, reject, () => {
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const results = [];
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const promises = [];
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for (let i = 0; i < operations.length; ++i) {
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const promise = doOperation(
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testCase, store, index, operations[i], i, results);
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promises.push(promise);
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};
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transaction.abort();
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resolve(Promise.all(promises).then(() => results));
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});
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});
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}).then(results => {
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assert_equals(
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results.length, operations.length,
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'Promise.all should resolve after all sub-promises resolve');
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for (let i = 0; i < operations.length; ++i) {
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assert_equals(
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results[i][0], i,
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'error event order should match request order');
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assert_equals(
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results[i][1].name, 'AbortError',
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'transaction aborting should result in AbortError on all requests');
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}
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});
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}, label);
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}
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abortTest('small values', [
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['get', 2],
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['count', null],
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['continue-empty', null],
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['get-empty', 5],
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['add', 5],
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['open', 2],
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['continue', 2],
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['get', 4],
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['get-empty', 6],
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['count', null],
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['put-with-id', 5],
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['put', 6],
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['error', 3],
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['continue', 4],
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['count', null],
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['get-empty', 7],
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['open', 4],
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['open-empty', 7],
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['add', 7],
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]);
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abortTest('large values', [
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['open', 1],
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['get', 1],
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['getall', 4],
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['get', 3],
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['continue', 3],
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['open', 3],
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]);
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abortTest('large value followed by small values', [
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['get', 1],
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['getall', null],
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['open', 2],
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['continue-empty', null],
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['get', 2],
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['get-empty', 5],
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['count', null],
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['continue-empty', null],
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['open-empty', 5],
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['add', 5],
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['error', 1],
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['continue', 2],
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['get-empty', 6],
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['put-with-id', 5],
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['put', 6],
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]);
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abortTest('large values mixed with small values', [
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['get', 1],
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['get', 2],
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['get-empty', 5],
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['count', null],
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['continue-empty', null],
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['open', 1],
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['continue', 2],
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['open-empty', 5],
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['getall', 4],
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['open', 2],
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['continue-empty', null],
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['add', 5],
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['get', 3],
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['count', null],
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['get-empty', 6],
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['put-with-id', 5],
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['getall', null],
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['continue', 3],
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['open-empty', 6],
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['put', 6],
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['error', 1],
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['continue', 2],
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['open', 4],
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['get-empty', 7],
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['count', null],
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['continue', 3],
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['add', 7],
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['getall', null],
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['error', 3],
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['count', null],
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]);
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</script>
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