| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Incumbent page used as a test helper</title> |
| |
| <iframe src="relevant/relevant.html" id="r"></iframe> |
| <iframe src="current/current.html" id="c"></iframe> |
| |
| <script> |
| const relevant = document.querySelector("#r"); |
| const current = document.querySelector("#c"); |
| |
| window.runWindowPostMessageVeryIndirectly = (...args) => { |
| return current.contentWindow.postMessage.call(relevant.contentWindow, ...args); |
| }; |
| |
| // This tests the backup incumbent settings object stack scenario, by avoiding putting user code on the stack. |
| window.runWindowPostMessageVeryIndirectlyWithNoUserCode = (promise, promiseMethod, ...args) => { |
| const runWindowPostMessage = current.contentWindow.postMessage.bind(relevant.contentWindow, ...args); |
| promise[promiseMethod](runWindowPostMessage); |
| }; |
| |
| window.resolveThenableThatRunsWindowPostMessageVeryIndirectlyWithNoUserCode = (...args) => { |
| Promise.resolve({ |
| then: current.contentWindow.postMessage.bind(relevant.contentWindow, ...args) |
| }); |
| }; |
| </script> |
