allow-lists-starting-with-comma.htm

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This WPT test may be referenced by the following Test IDs:
- /xhr/allow-lists-starting-with-comma.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>Allow lists starting with a comma should be parsed correctly</title>

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

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

    <script src="/common/get-host-info.sub.js"></script>

  </head>

  <body>

  <script type="text/javascript">

    async_test(function(test) {

      const client = new XMLHttpRequest();

      let url = "xhr/resources/access-control-allow-lists.py?headers=,y-lol,x-print,%20,,,y-print&origin=" +

          get_host_info().HTTP_ORIGIN;

      client.open("GET", get_host_info().HTTP_REMOTE_ORIGIN + '/' + url, false);

      client.setRequestHeader('x-print', 'unicorn')

      client.setRequestHeader('y-print', 'narwhal')

      // Sending GET request with custom headers

      assert_equals(client.send(null), undefined);

      const response = JSON.parse(client.response);

      assert_equals(response['x-print'], "unicorn");

      assert_equals(response['y-print'], "narwhal");

      url = "xhr/resources/access-control-allow-lists.py?methods=,,PUT,GET&origin=" +

          get_host_info().HTTP_ORIGIN;

      client.open("PUT", get_host_info().HTTP_REMOTE_ORIGIN + '/' + url, false);

      // Sending PUT request

      assert_equals(client.send(null), undefined);

      test.done();

    }, "Allow lists starting with a comma should be parsed correctly");

  </script>

  </body>

  </html>