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  <head>
    <meta charset="utf-8">
    <title>Response init: body and headers</title>
    <meta name="help" href="https://fetch.spec.whatwg.org/#response">
    <meta name="help" href="https://fetch.spec.whatwg.org/#concept-response">
    <meta name="author" title="Canon Research France" href="https://www.crf.canon.fr">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <script src="../resources/utils.js"></script>
    <script>
      test(function() {
        var headerDict = {"name1": "value1",
                          "name2": "value2",
                          "name3": "value3"
        };
        var headers = new Headers(headerDict);
        var response = new Response("", { "headers" : headers })
        for (var name in headerDict) {
          assert_equals(response.headers.get(name), headerDict[name],
           "response's headers has " + name + " : " + headerDict[name]);
        }
      }, "Initialize Response with headers values");

      function checkResponseInit(body, bodyType, expectedTextBody) {
        promise_test(function(test) {
          var response = new Response(body);
          var resHeaders = response.headers;
          var mime = resHeaders.get("Content-Type");
          assert_true(mime && mime.search(bodyType) > -1, "Content-Type header should be \"" + bodyType + "\" ");
          return response.text().then(function(bodyAsText) {
            //not equals: cannot guess formData exact value
            assert_true(bodyAsText.search(expectedTextBody) > -1, "Retrieve and verify response body");
          });
        }, "Initialize Response's body with " + bodyType);
      }

      var blob = new Blob(["This is a blob"], {type: "application/octet-binary"});
      var formaData = new FormData();
      formaData.append("name", "value");
      var urlSearchParams = "URLSearchParams are not supported";
      //avoid test timeout if not implemented
      if (window.URLSearchParams)
        urlSearchParams = new URLSearchParams("name=value");
      var usvString = "This is a USVString"

      checkResponseInit(blob, "application/octet-binary", "This is a blob");
      checkResponseInit(formaData, "multipart/form-data", "name=\"name\"\r\n\r\nvalue");
      checkResponseInit(urlSearchParams, "application/x-www-form-urlencoded;charset=UTF-8", "name=value");
      checkResponseInit(usvString, "text/plain;charset=UTF-8", "This is a USVString");

      promise_test(function(test) {
        var body = "This is response body";
        var response = new Response(body);
        return validateStreamFromString(response.body.getReader(), body);
      }, "Read Response's body as readableStream");

      promise_test(function(test) {
        var response = new Response("This is my fork", {"headers" : [["Content-Type", ""]]});
        return response.blob().then(function(blob) {
          assert_equals(blob.type, "", "Blob type should be the empty string");
        });
      }, "Testing empty Response Content-Type header");

    </script>
  </body>
</html>