headers-normalize-response.htm

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This WPT test may be referenced by the following Test IDs:
- /xhr/headers-normalize-response.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>Whitespace and null in header values</title>

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

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

<div id=log></div>

<script>

function error(val) {

  test(() => {

    const client = new XMLHttpRequest();

    client.open("GET", "resources/parse-headers.py?my-custom-header="+encodeURIComponent(val), false);

    assert_throws_dom("NetworkError", () => client.send());

  }, "Header value: " + val.replace("\0", "\\0"));

function matchHeaderValue(val) {

    test(function () {

        var client = new XMLHttpRequest();

        var trimmed = val.trim();

        client.open("GET", "resources/parse-headers.py?my-custom-header="+encodeURIComponent(val), false);

        client.send();

        var r = client.getResponseHeader("My-Custom-Header");

        assert_equals(r, trimmed);

    }, "Header value: " + val.replace(/\t/g, "[tab]").replace(/ /g, "_"));

error("hello world\0");

error("\0hello world");

error("hello\0world");

matchHeaderValue("  hello world");

matchHeaderValue("hello world  ");

matchHeaderValue("  hello world  ");

matchHeaderValue("\thello world");

matchHeaderValue("hello world\t");

matchHeaderValue("\thello world\t");

matchHeaderValue("hello      world");

matchHeaderValue("hello\tworld");

error("\0");

matchHeaderValue("   ");

matchHeaderValue("\t");

matchHeaderValue("");

</script>