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Issue 2779273004:
Test for IndexedDB crashing bug found by clusterfuzz. (Closed)
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| (Empty) | |
| 1 <!doctype html> | |
| 2 <meta charset="utf-8"> | |
| 3 <meta name="timeout" content="long"> | |
| 4 <title>IndexedDB: Parallel iteration of cursors in upgradeneeded</title> | |
| 5 <link rel="author" href="pwnall@chromium.org" title="Victor Costan"> | |
| 6 <link rel="help" href="http://crbug.com/705837"> | |
| 7 <script src="/resources/testharness.js"></script> | |
| 8 <script src="/resources/testharnessreport.js"></script> | |
| 9 <script src="support-promises.js"></script> | |
| 10 <script> | |
| 11 'use strict'; | |
| 12 | |
| 13 for (let cursorCount of [2, 10, 100, 1000, 10000]) { | |
| 14 promise_test(testCase => { | |
|
dmurph
2017/03/29 23:36:34
Do we really need this many cursors to get it to w
pwnall
2017/03/29 23:49:07
Clusterfuzz used 10k (2x 5k). Also, this test inte
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| 15 return createDatabase(testCase, (database, transaction) => { | |
| 16 const store = database.createObjectStore('cache', { keyPath: 'key' }); | |
| 17 store.put({ key: '42' }); | |
| 18 | |
| 19 const promises = []; | |
| 20 | |
| 21 for (let j = 0; j < 2; j += 1) { | |
| 22 const promise = new Promise((resolve, reject) => { | |
| 23 let request = null; | |
| 24 for (let i = 0; i < cursorCount / 2; i += 1) { | |
| 25 request = store.openCursor(); | |
| 26 } | |
| 27 | |
| 28 let continued = false; | |
| 29 request.onsuccess = testCase.step_func(() => { | |
| 30 const cursor = request.result; | |
| 31 | |
| 32 if (!continued) { | |
| 33 assert_equals(cursor.key, '42'); | |
| 34 assert_equals(cursor.value.key, '42'); | |
| 35 continued = true; | |
| 36 cursor.continue(); | |
| 37 } else { | |
| 38 assert_equals(cusor, null); | |
| 39 resolve(); | |
| 40 } | |
| 41 }); | |
| 42 request.onerror = () => reject(request.error); | |
| 43 }); | |
| 44 promises.push(promise); | |
| 45 } | |
| 46 return Promise.all(promises); | |
| 47 }).then(database => { | |
| 48 database.close(); | |
| 49 }); | |
| 50 }, `${cursorCount} cursors`); | |
| 51 } | |
| 52 | |
| 53 </script> | |
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