<!DOCTYPE html> <!-- Test from https://bugzilla.mozilla.org/show_bug.cgi?id=819051 --> <head> <title>XMLHttpRequest: setRequestHeader() and open()</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="help" href="https://xhr.spec.whatwg.org/#the-open()-method" data-tested-assertations="following::OL[1]/LI[14]/ul[1]/li[4]" /> <link rel="help" href="https://xhr.spec.whatwg.org/#the-setrequestheader()-method" data-tested-assertations="following::OL[1]/LI[6] following::ol[1]/li[7]" /> </head> <body> <p id="log"></p> <script type="text/javascript"> var test = async_test(); var url = "resources/inspect-headers.py"; var xhr = new XMLHttpRequest(); xhr.open("GET", url + "?filter_name=x-appended-to-this"); xhr.setRequestHeader("X-appended-to-this", "False"); xhr.open("GET", url + "?filter_name=x-appended-to-this"); xhr.setRequestHeader("X-appended-to-this", "True"); xhr.onreadystatechange = function() { if (this.readyState == 4) { test.step(function (){ assert_equals(xhr.responseText, "x-appended-to-this: True\n", "Set headers record should have been cleared by open."); test_standard_header(); }); } } xhr.send(); function test_standard_header () { var header_tested = "Accept"; var xhr = new XMLHttpRequest(); xhr.open("GET", url + "?filter_name=accept"); xhr.setRequestHeader("Accept", "foo/bar"); xhr.open("GET", url + "?filter_name=accept"); xhr.setRequestHeader("Accept", "bar/foo"); xhr.onreadystatechange = function() { if (this.readyState == 4) { test.step(function (){ assert_equals(xhr.responseText, "accept: bar/foo\n", "Set headers record should have been cleared by open."); test.done(); }); } } xhr.send(); } </script> </pre> </body> </html>