| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>XMLHttpRequest: getResponseHeader() in unsent, opened states</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://xhr.spec.whatwg.org/#dom-xmlhttprequest-getresponseheader" data-tested-assertations="/following::OL[1]/LI[1]" /> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| var test = async_test() |
| test.step(function() { |
| var client = new XMLHttpRequest() |
| assert_equals(client.getResponseHeader("x-custom-header"), null) |
| client.onreadystatechange = function() { |
| test.step(function() { |
| if(client.readyState < 2) { |
| assert_equals(client.getResponseHeader("x-custom-header"), null) |
| assert_equals(client.getResponseHeader("CONTENT-TYPE"), null) |
| test.done() |
| } |
| }) |
| } |
| client.open("GET", "resources/headers.py") |
| assert_equals(client.getResponseHeader("x-custom-header"), null) |
| assert_equals(client.getResponseHeader("Date"), null) |
| client.send(null) |
| }) |
| </script> |
| </body> |
| </html> |
