// Non-exhaustive tests because implementation is the same as resolve.
    val base = parse("http://host/a/b")
    assertThat(base.newBuilder("https://host2")!!.build())
      .isEqualTo(parse("https://host2/"))
    assertThat(base.newBuilder("//host2")!!.build())
      .isEqualTo(parse("http://host2/"))
    assertThat(base.newBuilder("/path")!!.build())
      .isEqualTo(parse("http://host/path"))
    assertThat(base.newBuilder("path")!!.build())