| <!DOCTYPE html> |
| <title>Same-origin prerendering can access Web Database</title> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="resources/utils.js"></script> |
| <body> |
| <script> |
| |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| async function insertQuery() { |
| return new Promise(resolve => { |
| const db = openDatabase("test", "1.0", "test database", 1024); |
| db.transaction(function (tx) { |
| tx.executeSql('CREATE TABLE IF NOT EXISTS foo (text)'); |
| tx.executeSql('INSERT INTO foo (text) VALUES ("bar")'); |
| }, function(error) { |
| resolve(error); |
| }, function() { |
| resolve("Success"); |
| }); |
| }); |
| } |
| |
| async function selectQuery() { |
| return new Promise(resolve => { |
| const db = openDatabase("test", "1.0", "test database", 1024); |
| db.transaction(function (tx) { |
| tx.executeSql('CREATE TABLE IF NOT EXISTS foo (text)'); |
| tx.executeSql('SELECT * FROM foo', [], function (tx, results) { |
| resolve(results.rows.length); |
| }); |
| }, function(tx, error) { |
| resolve(error); |
| }); |
| }); |
| } |
| |
| promise_test(async t => { |
| const uid = token(); |
| const bc = new PrerenderChannel('prerender-channel', uid); |
| |
| const gotMessage = new Promise(resolve => { |
| bc.addEventListener('message', e => { |
| resolve(e.data); |
| }, { |
| once: true |
| }); |
| }); |
| |
| const insertResult = await insertQuery(); |
| assert_equals(insertResult, "Success", |
| 'primary page should be able to execute statements from Web Database.'); |
| |
| // Start prerendering a page that attempts to access Web Database. |
| startPrerendering(`resources/web-database-access.html?uid=${uid}`); |
| const result = await gotMessage; |
| |
| assert_equals( |
| result, "Success", |
| 'prerendering page should be able to read from Web Database'); |
| |
| const selectResult = await selectQuery(); |
| assert_equals( |
| selectResult, 2, |
| 'prerendering page should be able to write to Web Database'); |
| }, 'prerendering page should be able to access Web Database'); |
| |
| </script> |
| </body> |
