src/third_party/web_platform_tests/XMLHttpRequest/getresponseheader-unsent-opened-state.htm - cobalt - Git at Google

 <!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>
	<!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>