lone-surrogates.sub.html

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This WPT test may be referenced by the following Test IDs:
- /html/infrastructure/urls/resolving-urls/query-encoding/lone-surrogates.sub.html?encoding=utf8 - WPT Dashboard Interop Dashboard
- /html/infrastructure/urls/resolving-urls/query-encoding/lone-surrogates.sub.html?encoding=windows-1252 - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset={{GET[encoding]}}> <!-- ends up as <meta charset> by default which is windows-1252 -->

<meta name=variant content="?encoding=windows-1252">

<meta name=variant content="?encoding=utf8">

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<div id=log></div>

<script>

function expected(encoding) {

  return "?" + {

    // Replacement character (not bogus UTF-8)

    "UTF-8": "%EF%BF%BD",

    // Charref for the replacement character (not the lone surrogate)

    "windows-1252": "%26%2365533%3B",

  }[encoding];

test(t => {

  const elm = document.createElement("a");

  document.body.appendChild(elm);

  t.add_cleanup(() => elm.remove());

  elm.setAttribute("href", "?\uD800");

  const shouldEndWith = expected(document.characterSet);

  assert_true(

    elm.href.endsWith(shouldEndWith),

    `${elm.href} did not end with ${shouldEndWith}`

);

}, `Query parsing with lone surrogates in ${document.characterSet}`);

</script>