| <!doctype html> |
| <html> |
| <head> |
| <title>XMLHttpRequest: setRequestHeader() after send()</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://xhr.spec.whatwg.org/#the-setrequestheader()-method" data-tested-assertations="/following::ol/li[2]" /> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| var test = async_test() |
| test.step(function() { |
| var client = new XMLHttpRequest() |
| client.open("GET", "resources/delay.py?ms=0") |
| client.onreadystatechange = function() { |
| test.step(function() { |
| assert_throws("InvalidStateError", function() { client.setRequestHeader("x-test", "test") }) |
| if(client.readyState == 4) |
| test.done() |
| }) |
| } |
| client.send(null) |
| }) |
| </script> |
| </body> |
| </html> |