<!doctype html>
<title>Casing of known headers</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(() => {
  const client = new XMLHttpRequest
  client.open("GET", "resources/header-content-length.asis", false)
  client.send()
  assert_equals(client.getAllResponseHeaders(), "content-length: 0\r\n")
})
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()
  assert_regexp_match(client.responseText, /content-TYPE/)
  assert_regexp_match(client.responseText, /THIS-IS-A-TEST: 1, 2/)
})
promise_test(() => {
  return fetch("resources/echo-headers.py", {headers: [["THIS-is-A-test", 1], ["THIS-IS-A-TEST", 2]] }).then(res => res.text()).then(body => {
    assert_regexp_match(body, /THIS-is-A-test: 1, 2/)
  })
})
</script>