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<!doctype html>
<html>
<head>
<title>XMLHttpRequest: setRequestHeader() - headers that differ in case</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://xhr.spec.whatwg.org/#the-setrequestheader()-method">
</head>
<body>
<div id="log"></div>
<script>
test(() => {
const client = new XMLHttpRequest();
client.open("POST", "resources/inspect-headers.py?filter_value=t1, t2, t3", false);
client.setRequestHeader("x-test", "t1");
client.setRequestHeader("X-TEST", "t2");
client.setRequestHeader("X-teST", "t3");
client.send(null);
assert_equals(client.responseText, "x-test,");
});
test(() => {
const client = new XMLHttpRequest();
client.open("GET", "resources/echo-headers.py", false);
client.setRequestHeader("THIS-IS-A-TEST", "1");
client.setRequestHeader("THIS-is-A-test", "2");
client.setRequestHeader("content-TYPE", "x/x");
client.send();
const contentTypeHeader = client.responseText.match(/content-TYPE/gi);
const thisIsATestHeader = client.responseText.match(/THIS-IS-A-TEST: 1, 2/gi);
assert_array_equals(contentTypeHeader, ["content-TYPE"]);
assert_array_equals(thisIsATestHeader, ["THIS-IS-A-TEST: 1, 2"]);
});
</script>
</body>
</html>
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