Well-Known Certificate Authorities
----------------------------------

In these examples we've prearranged which root certificates to trust. But for regular HTTPS on the
Internet this set of trusted root certificates is usually provided by default by the host platform.
Such a set typically includes many root certificates from well-known certificate authorities like
Entrust and Verisign.

    assertFailsWith<Exception> {
      badPublicSuffixDatabase.getEffectiveTldPlusOne("squareup.com")
    }.also { e ->
      assertEquals(firstFailure.toString(), e.toString())
    }
  }

  /** These tests are provided by [publicsuffix.org](https://publicsuffix.org/list/). */
  @Test fun publicSuffixDotOrgTestCases() {
    // Any copyright is dedicated to the Public Domain.
    // https://creativecommons.org/publicdomain/zero/1.0/