| // Copyright 2024 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // META script=resources/controlled_frame_helpers.js |
| |
| // Verifies that for executeScript, the callback form of the call is |
| // not allowed. This is necessary since the WebView API natively supports |
| // callbacks while Controlled Frame adapts that interface to be promises-based. |
| // Specific Controlled Frame changes are in place to restrict those asynchronous |
| // calls so the callback is not available. |
| |
| const kCallbackErr = "Callback form deprecated, see API doc for correct usage."; |
| |
| promise_test((test) => { |
| return new Promise((resolve, reject) => { |
| const frame = document.createElement('controlledframe'); |
| if (!frame || !frame.request) { |
| reject('FAIL'); |
| return; |
| } |
| |
| function handleExecute() { |
| let actual_error_message; |
| try { |
| frame.executeScript( |
| {code: "document.body.style.backgroundColor = 'red';"}, |
| () => { reject('FAIL: Expected the callback to not be called.'); }); |
| reject('FAIL: Call did not throw an error as expected.'); |
| return; |
| } catch (e) { |
| actual_error_message = e.message; |
| if (actual_error_message !== kCallbackErr) { |
| reject('FAIL: Unexpected error: ' + actual_error_message); |
| return; |
| } |
| resolve('SUCCESS'); |
| return; |
| } |
| reject('FAIL: Unexpected error'); |
| } |
| |
| frame.src = 'data:text/html,<body>Guest</body>'; |
| frame.addEventListener('loadabort', reject); |
| frame.addEventListener('loadstop', handleExecute); |
| document.body.appendChild(frame); |
| }); |
| }, "Verify no callbacks are allowed for executeScript"); |
