}

  @Test fun ofMapTrimsValue() {
    val headers = mapOf("User-Agent" to " OkHttp ").toHeaders()
    assertThat(headers.value(0)).isEqualTo("OkHttp")
  }

  @Test fun ofMapMakesDefensiveCopy() {
    val namesAndValues = mutableMapOf<String, String>()
    namesAndValues["User-Agent"] = "OkHttp"
    val headers = namesAndValues.toHeaders()
    namesAndValues["User-Agent"] = "Chrome"