| <!DOCTYPE html> |
| <title>Errors thrown in XMLHttpRequest events get to window.onerror</title> |
| <link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| "use strict"; |
| |
| setup({ allow_uncaught_exception: true }); |
| |
| promise_test(() => { |
| const error = new Error("oh no!"); |
| let resolve; |
| |
| window.addEventListener("error", event => { |
| assert_equals(event.error, error); |
| resolve(); |
| }); |
| |
| const xhr = new window.XMLHttpRequest(); |
| |
| xhr.addEventListener("load", () => { |
| throw error; |
| }); |
| |
| xhr.open("GET", location.href); |
| xhr.send(); |
| |
| return new Promise(r => { |
| resolve = r; |
| }); |
| |
| }, "errors thrown in XMLHttpRequest's load event (using addEventListener) goes to window.onerror"); |
| |
| promise_test(() => { |
| const error = new Error("oh no 2!"); |
| let resolve; |
| |
| window.addEventListener("error", event => { |
| assert_equals(event.error, error); |
| resolve(); |
| }); |
| |
| const xhr = new window.XMLHttpRequest(); |
| |
| xhr.onload = () => { |
| throw error; |
| }; |
| |
| xhr.open("GET", location.href); |
| xhr.send(); |
| |
| return new Promise(r => { |
| resolve = r; |
| }); |
| |
| }, "errors thrown in XMLHttpRequest's load event (using onload) goes to window.onerror"); |
| </script> |
