}

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

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

  @Test fun ofMapMakesDefensiveCopy() {