| Index: third_party/WebKit/LayoutTests/external/wpt/IndexedDB/parallel-overlapping-cursors.html
|
| diff --git a/third_party/WebKit/LayoutTests/external/wpt/IndexedDB/parallel-overlapping-cursors.html b/third_party/WebKit/LayoutTests/external/wpt/IndexedDB/parallel-overlapping-cursors.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..84674b65b66805795748f925732cbd23e17a6382
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/external/wpt/IndexedDB/parallel-overlapping-cursors.html
|
| @@ -0,0 +1,73 @@
|
| +<!doctype html>
|
| +<meta charset="utf-8">
|
| +<meta name="timeout" content="long">
|
| +<title>IndexedDB: Parallel iteration of multiple overlapping cursors</title>
|
| +<link rel="author" href="pwnall@chromium.org" title="Victor Costan">
|
| +<script src="/resources/testharness.js"></script>
|
| +<script src="/resources/testharnessreport.js"></script>
|
| +<script src="support-promises.js"></script>
|
| +<script src="interleaved-cursors-support.js"></script>
|
| +<script>
|
| +'use strict';
|
| +
|
| +// Number of objects that each iterator goes over.
|
| +const itemCount = 2;
|
| +
|
| +// Ratio of small objects to large objects.
|
| +const largeObjectRatio = 5;
|
| +
|
| +function objectKey(cursorIndex, itemIndex) {
|
| + const itemString = itemIndex.toString().padStart(5, '0');
|
| + return `key-${itemString}`;
|
| +}
|
| +
|
| +function objectValue(cursorIndex, itemIndex) {
|
| + if ((itemCount + itemIndex) % largeObjectRatio === 0)
|
| + return largeObjectValue(0, itemIndex);
|
| + return ['small', itemIndex];
|
| +}
|
| +
|
| +// Reads all the cursors in parallel. Returns a promise that resolves when the
|
| +// reading is done.
|
| +function parallelCursors(testCase, store, cursorCount) {
|
| + const promises = [];
|
| + const cursors = new CursorBank(testCase, store, cursorCount);
|
| +
|
| + for (let cursorIndex = 0; cursorIndex < cursorCount; ++cursorIndex) {
|
| + const promise = new Promise((resolve, reject) => {
|
| + let callback = resolve;
|
| + for (let itemIndex = itemCount; itemIndex >= 1; --itemIndex) {
|
| + callback = cursors.continueCursor.bind(
|
| + cursors, cursorIndex, itemIndex, callback);
|
| + }
|
| + cursors.openCursor(cursorIndex, callback);
|
| + });
|
| + promises.push(promise);
|
| + }
|
| + return Promise.all(promises);
|
| +}
|
| +
|
| +for (let cursorCount of [1, 10, 100, 1000, 10000]) {
|
| + promise_test(testCase => {
|
| + return createDatabase(testCase, (database, transaction) => {
|
| + const store = database.createObjectStore('cache', { keyPath: 'key' });
|
| + }).then(database => {
|
| + return populateTestStore(testCase, database, 1).then(() => database);
|
| + }).then(database => {
|
| + database.close();
|
| + }).then(() => {
|
| + return openDatabase(testCase);
|
| + }).then(database => {
|
| + const transaction = database.transaction('cache', 'readonly');
|
| + transaction.onabort = () => { reject(transaction.error); };
|
| +
|
| + const store = transaction.objectStore('cache');
|
| + return parallelCursors(testCase, store, cursorCount, itemCount).then(
|
| + () => database);
|
| + }).then(database => {
|
| + database.close();
|
| + });
|
| + }, `${cursorCount} cursors`);
|
| +}
|
| +
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2781623008:
More thorough overlapping cursor tests. (Closed)
