| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Incumbent settings object for host functions</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <!-- This is the entry page. --> |
| |
| <iframe src="resources/incumbent-incumbent.html"></iframe> |
| |
| <script> |
| setup({ explicit_done: true }); |
| |
| // postMessage should pick the incumbent page as its .source value to set on the MessageEvent, even |
| // inside host functions. |
| const expectedURL = (new URL("resources/incumbent-incumbent.html", location.href)).href; |
| |
| let testId = 0; |
| |
| window.onload = () => { |
| const relevantWindow = frames[0].document.querySelector("#r").contentWindow; |
| |
| function setupTest(t) { |
| ++testId; |
| const thisTestId = testId; |
| |
| relevantWindow.addEventListener("messagereceived", t.step_func(e => { |
| const [receivedTestId, receivedSourceURL] = e.detail; |
| |
| if (receivedTestId !== thisTestId) { |
| return; |
| } |
| |
| assert_equals(receivedSourceURL, expectedURL); |
| t.done(); |
| })); |
| |
| return thisTestId; |
| } |
| |
| async_test(t => { |
| const thisTestId = setupTest(t); |
| |
| frames[0].runWindowPostMessageVeryIndirectly(thisTestId, "*"); |
| }, "Sanity check: this all works as expected synchronously"); |
| |
| async_test(t => { |
| const thisTestId = setupTest(t); |
| frames[0].runWindowPostMessageVeryIndirectlyWithNoUserCode(thisTestId, "*"); |
| }, "Start function"); |
| |
| done(); |
| }; |
| </script> |
