"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.52 Safari/537.36");
        assertEquals(UserAgentType.CHROME, userAgentHelper.getUserAgentType());

        getMockRequest().addHeader("user-agent", "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0");
        assertEquals(UserAgentType.CHROME, userAgentHelper.getUserAgentType());
    }

  val android9 = sslLabsClients.first { it.userAgent == "Android" && it.version == "9.0" }
  val chrome33 = sslLabsClients.first { it.userAgent == "Chrome" && it.version == "33" }
  val chrome57 = sslLabsClients.first { it.userAgent == "Chrome" && it.version == "57" }
  val chrome80 = sslLabsClients.first { it.userAgent == "Chrome" && it.version == "80" }
  val firefox34 = sslLabsClients.first { it.userAgent == "Firefox" && it.version == "34" }

                    } else if (userAgent.indexOf("Firefox") >= 0) {
                        uaType = UserAgentType.FIREFOX;
                    } else if (userAgent.indexOf("Chrome") >= 0) {
                        uaType = UserAgentType.CHROME;
                    } else if (userAgent.indexOf("Safari") >= 0) {
                        uaType = UserAgentType.SAFARI;
                    } else if (userAgent.indexOf("Opera") >= 0) {

  }

  @Test fun ofMakesDefensiveCopy() {
    val namesAndValues =
      arrayOf(
        "User-Agent",
        "OkHttp",
      )
    val headers = headersOf(*namesAndValues)
    namesAndValues[1] = "Chrome"
    assertThat(headers.value(0)).isEqualTo("OkHttp")
  }

  @Test fun ofRejectsNullChar() {
    assertFailsWith<IllegalArgumentException> {
      headersOf("User-Agent", "Square\u0000OkHttp")
    }
  }

     *
     * RFC 2388 is rather vague about how one should escape special characters in form-data
     * parameters, and as it turns out Firefox and Chrome actually do rather different things, and
     * both say in their comments that they're not really sure what the right approach is. We go
     * with Chrome's behavior (which also experimentally seems to match what IE does), but if you

   *
   * @since 27.0
   */
  public static final MediaType WASM_APPLICATION = createConstant(APPLICATION_TYPE, "wasm");

  /**
   * NaCl applications. For more information see <a
   * href="https://developer.chrome.com/native-client/devguide/coding/application-structure">the
   * Developer Guide for Native Client Application Structure</a>.
   *
   * @since 20.0
   */

  /**
   * The HTTP nonstandard {@code X-WebKit-CSP} header field name. It was introduced in <a
   * href="https://www.w3.org/TR/2011/WD-CSP-20111129/">CSP v.1</a> and used by the Chrome until
   * version 25. Please, use {@link #CONTENT_SECURITY_POLICY} to pass the CSP.
   *
   * @since 20.0
   */
  public static final String X_WEBKIT_CSP = "X-WebKit-CSP";

  /**

    assertThat(parse("http://username:@host/path"))
      .isEqualTo(parse("http://username@host/path"))
  }

  @Test
  fun passwordWithEmptyUsername() {
    // Chrome doesn't mind, but Firefox rejects URLs with empty usernames and non-empty passwords.
    assertThat(parse("http://:@host/path"))
      .isEqualTo(parse("http://host/path"))

            }
            break;
        case CHROME:
            if (isLocalFile) {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.winlocal.chrome", "file://"));
            } else {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.chrome", "file://"));
            }
            break;
        case SAFARI:

      return Integer.valueOf(header)
    }
    return Integer.MAX_VALUE
  }

  companion object {
    /**
     * How many redirects and auth challenges should we attempt? Chrome follows 21 redirects; Firefox,
     * curl, and wget follow 20; Safari follows 16; and HTTP/1.0 recommends 5.
     */
    private const val MAX_FOLLOW_UPS = 20
  }