| <!doctype html> |
| <meta charset=utf-8> |
| <title>IndexedDB: Detached buffers supplied as binary keys</title> |
| <meta name="help" href="http://w3c.github.io/IndexedDB/#convert-a-value-to-a-key"> |
| <meta name="help" href="https://heycam.github.io/webidl/#dfn-get-buffer-source-copy"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| <script> |
| |
| indexeddb_test( |
| (t, db) => { db.createObjectStore('store'); }, |
| (t, db) => { |
| const tx = db.transaction('store', 'readwrite'); |
| const store = tx.objectStore('store'); |
| |
| const array = new Uint8Array([1,2,3,4]); |
| const buffer = array.buffer; |
| assert_equals(array.byteLength, 4); |
| |
| // Detach the ArrayBuffer by transferring it to a worker. |
| const worker = new Worker(URL.createObjectURL(new Blob([]))); |
| worker.postMessage('', [buffer]); |
| assert_equals(array.byteLength, 0); |
| |
| assert_throws_js(TypeError, () => { store.put('', buffer); }); |
| t.done(); |
| }, |
| 'Detached ArrayBuffer' |
| ); |
| |
| indexeddb_test( |
| (t, db) => { db.createObjectStore('store'); }, |
| (t, db) => { |
| const tx = db.transaction('store', 'readwrite'); |
| const store = tx.objectStore('store'); |
| |
| const array = new Uint8Array([1,2,3,4]); |
| assert_equals(array.length, 4); |
| |
| // Detach the ArrayBuffer by transferring it to a worker. |
| const worker = new Worker(URL.createObjectURL(new Blob([]))); |
| worker.postMessage('', [array.buffer]); |
| assert_equals(array.length, 0); |
| |
| assert_throws_js(TypeError, () => { store.put('', array); }); |
| t.done(); |
| }, |
| 'Detached TypedArray' |
| ); |
| |
| </script> |
