| <!DOCTYPE html> |
| <title>Muted Errors</title> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| // https://html.spec.whatwg.org/#report-the-error |
| // If script's muted errors is true, then set message to "Script error.", |
| // urlString to the empty string, line and col to 0, and errorValue to null. |
| setup({allow_uncaught_exception: true}); |
| |
| window.log = []; |
| window.addEventListener("error", ev => log.push(ev)); |
| |
| function check(shouldBeMuted) { |
| assert_equals(log.length, 1); |
| var ev = log[0]; |
| log = []; |
| if (shouldBeMuted) { |
| assert_equals(ev.message, "Script error."); |
| assert_equals(ev.error, null, 'error'); |
| assert_equals(ev.filename, "", 'filename'); |
| assert_equals(ev.lineno, 0, 'lineno'); |
| assert_equals(ev.colno, 0, 'colno'); |
| } else { |
| assert_not_equals(ev.message, "Script error."); |
| assert_not_equals(ev.error, null); |
| } |
| } |
| |
| var test1 = async_test("Errors for same-origin script shouldn't be muted"); |
| var check1 = test1.step_func_done(() => check(false)); |
| |
| var test2 = async_test("Errors for cross-origin script should be muted"); |
| var check2 = test2.step_func_done(() => check(true)); |
| |
| var test3 = async_test("Errors for cross-origin script should be muted " + |
| "even if the script is once loaded as same-origin"); |
| function step3() { |
| var script = document.createElement('script'); |
| script.setAttribute('src', "//{{domains[www2]}}:{{ports[http][0]}}/html/semantics/scripting-1/the-script-element/cacheable-script-throw.py?iframe"); |
| script.onerror = test3.unreached_func(); |
| script.onload = test3.step_func_done(() => check(true)); |
| document.body.appendChild(script); |
| } |
| function unreachable() { log.push("unexpected"); } |
| </script> |
| <script src="cacheable-script-throw.py" onerror="test1.unreached_func()()" onload="check1()"></script> |
| <script src="//{{domains[www2]}}:{{ports[http][0]}}/html/semantics/scripting-1/the-script-element/cacheable-script-throw.py" |
| onerror="test2.unreached_func()()" onload="check2()"></script> |
| <iframe src="//{{domains[www2]}}:{{ports[http][0]}}/html/semantics/scripting-1/the-script-element/muted-errors-iframe.html" |
| onerror="test3.unreached_func()()" onload="step3()"></iframe> |
