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client-hint-request-headers.htm
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<!DOCTYPE html>
<meta charset=utf-8>
<title>CORS and Client Hints</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=support.js?pipe=sub></script>
<h1>Request headers</h1>
<div id=log></div>
<script>
test(function() {
var client = new XMLHttpRequest()
client.open('GET', CROSSDOMAIN + 'resources/cors-makeheader.py?headers=x-print', false)
client.setRequestHeader('x-print', 'unicorn')
client.setRequestHeader('y-print', 'unicorn')
assert_throws_dom("NetworkError", function() { client.send(null) })
}, 'Unspecified request headers are disallowed')
test(function() {
var client = new XMLHttpRequest()
client.open('GET', CROSSDOMAIN + 'resources/cors-makeheader.py?headers=x-print', false)
client.setRequestHeader('device-memory', '')
assert_throws_dom("NetworkError", function() { client.send(null) })
}, 'Unextractable device-memory client hint header is disallowed')
test(function() {
var client = new XMLHttpRequest()
client.open('GET', CROSSDOMAIN + 'resources/cors-makeheader.py?headers=x-print', false)
client.setRequestHeader('dpr', '')
assert_throws_dom("NetworkError", function() { client.send(null) })
}, 'Unextractable DPR client hint header is disallowed')
test(function() {
var client = new XMLHttpRequest()
client.open('GET', CROSSDOMAIN + 'resources/cors-makeheader.py?headers=x-print', false)
client.setRequestHeader('width', '')
assert_throws_dom("NetworkError", function() { client.send(null) })
}, 'Unextractable width client hint header is disallowed')
test(function() {
var client = new XMLHttpRequest()
client.open('GET', CROSSDOMAIN + 'resources/cors-makeheader.py?headers=x-print', false)
client.setRequestHeader('viewport-width', '')
assert_throws_dom("NetworkError", function() { client.send(null) })
}, 'Unextractable viewport-width client hint header is disallowed')
</script>