| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>requestAnimationFrame callback exception reported to error handler</title> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/webappapis.html#run-the-animation-frame-callbacks"> |
| <link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <iframe id="navigate-me" src="callback-exception-support-1.html"></iframe> |
| |
| <script> |
| "use strict"; |
| setup({ allow_uncaught_exception: true }); |
| |
| const exceptionMessage = "requestAnimationFrameException"; |
| |
| async_test(t => { |
| window.addEventListener("error", t.step_func_done(ev => { |
| assert_equals(ev.constructor, ErrorEvent); |
| assert_equals(ev.error.message, exceptionMessage); |
| })); |
| |
| requestAnimationFrame(() => { |
| throw new Error(exceptionMessage); |
| }); |
| }, "requestAnimationFrame errors in an active document should fire an error event"); |
| |
| async_test(t => { |
| const iframe = document.querySelector("#navigate-me"); |
| const windowProxy = iframe.contentWindow; |
| |
| window.onload = t.step_func(() => { |
| windowProxy.onerror = t.unreached_func("The pre-navigation Window's onerror must not be called"); |
| |
| const oldRAF = windowProxy.requestAnimationFrame; |
| iframe.addEventListener("load", t.step_func(() => { |
| const newRAF = windowProxy.requestAnimationFrame; |
| assert_not_equals(oldRAF, newRAF, "Sanity check: navigation changed the requestAnimationFrame"); |
| assert_equals(windowProxy.onerror, null, "Sanity check: after navigation reset onerror"); |
| |
| windowProxy.onerror = t.unreached_func("The post-navigation Window's onerror must not be called"); |
| |
| oldRAF(() => { |
| throw new Error(exceptionMessage); |
| }); |
| |
| // The test passes if no error events have been fired within this time. |
| t.step_timeout(t.step_func_done(), 2000); |
| })); |
| windowProxy.location.href = "callback-exception-support-2.html"; |
| }); |
| }, "requestAnimationFrame errors in navigated-away-from documents should not fire any error events"); |
| </script> |
