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client-hint-request-headers.htm
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client-hint-request-headers.htm
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<!DOCTYPE html>
<meta charset=utf-8>
<title>CORS - client hint request headers - Access-Control-Allow-Headers</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('content-type', 'text/plain')
client.setRequestHeader('accept', 'test')
client.setRequestHeader('accept-language', 'nn')
client.setRequestHeader('content-language', 'nn')
client.setRequestHeader('save-data', 'on')
client.setRequestHeader('device-memory', '1.0')
client.setRequestHeader('dpr', '2.0')
client.setRequestHeader('width', '35')
client.setRequestHeader('viewport-width', '42')
client.send(null)
const res = JSON.parse(client.response)
assert_equals(res['x-print'], 'unicorn')
assert_equals(res['content-type'], 'text/plain')
assert_equals(res['accept'], 'test')
assert_equals(res['accept-language'], 'nn')
assert_equals(res['content-language'], 'nn')
assert_equals(res['save-data'], 'on')
assert_equals(res['device-memory'], '1.0')
assert_equals(res['dpr'], '2.0')
assert_equals(res['width'], '35')
assert_equals(res['viewport-width'], '42')
}, 'Client hint headers are simple headers')
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("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("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("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("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("NetworkError", function() { client.send(null) })
}, 'Unextractable viewport-width client hint header is disallowed')
</script>