chromium/third_party/blink/web_tests/external/wpt/content-security-policy/generic/case-insensitive-scheme.sub.html

<!DOCTYPE HTML>
<html>
<head>
    <script src='/resources/testharness.js'></script>
    <script src='/resources/testharnessreport.js'></script>
</head>
<body>
  <script>
    let tests = [
      {
        "csp": "img-src http://{{host}}:{{ports[http][0]}}/",
        "name": "Lowercase `http` should allow the image to load.",
      },
      {
        "csp": "img-src HtTp://{{host}}:{{ports[http][0]}}/",
        "name": "Mixed-case `http` should allow the image to load.",
      },
      {
        "csp": "img-src HTTP://{{host}}:{{ports[http][0]}}/",
        "name": "Uppercase `http` should allow the image to load.",
      },
    ];

    tests.forEach(test => {
      async_test(t => {
        let url = "support/load_img_and_post_result_meta.sub.html?csp="
            + encodeURIComponent(test.csp);
        test_image_loads_as_expected(test, t, url);
      }, test.name + " - meta tag");

      async_test(t => {
        let url = "support/load_img_and_post_result_header.html?csp="
            + encodeURIComponent(test.csp);
        test_image_loads_as_expected(test, t, url);
      }, test.name + " - HTTP header");
    });

    function test_image_loads_as_expected(test, t, url) {
      let i = document.createElement('iframe');
      i.src = url;
      window.addEventListener('message', t.step_func(function(e) {
        if (e.source != i.contentWindow) return;
        assert_equals(e.data, "img loaded");
        t.done();
      }));
      document.body.appendChild(i);
    }
  </script>
</body>
</html>