import okhttp3.internal.commonToMediaType
import okhttp3.internal.commonToMediaTypeOrNull
import okhttp3.internal.commonToString

/**
 * An [RFC 2045][rfc_2045] Media Type, appropriate to describe the content type of an HTTP request
 * or response body.
 *
 * [rfc_2045]: http://tools.ietf.org/html/rfc2045
 */
class MediaType internal constructor(
  internal val mediaType: String,
  /**

 * is similar policy for all of the 1.1 million Unicode code points. Note that some code points such
 * as "\ud83c\udf69" are not mapped and cannot be used in a hostname.
 *
 * [Punycode](http://ietf.org/rfc/rfc3492.txt) converts a Unicode string to an ASCII string to make
 * international domain names work everywhere. For example, "σ" encodes as "xn--4xa". The encoded

   * a graceful shutdown was already underway or if the web socket is already closed or canceled.
   *
   * @param code Status code as defined by
   *     [Section 7.4 of RFC 6455](http://tools.ietf.org/html/rfc6455#section-7.4).
   * @param reason Reason for shutting down, no longer than 123 bytes of UTF-8 encoded data (**not** characters) or null.

    val mediaType = parse("text/plain; charset=utf-8; charset=utf-16")
    assertEquals("UTF-8", mediaType.charsetName())
  }

  /**
   * This is invalid according to RFC 822. But it's what Chrome does and it avoids a potentially
   * unpleasant IllegalCharsetNameException.
   */
  @Test fun testCharsetNameIsSingleQuoted() {
    val mediaType = parse("text/plain;charset='utf-8'")