fail<Any>()
    } catch (expected: IllegalArgumentException) {
      assertThat(expected.message).isEqualTo("string includes multiple private keys")
    }
  }

  @Test
  fun decodeWrongType() {
    try {
      decode(
        """
        |-----BEGIN CERTIFICATE-----
        |MIIBmjCCAQOgAwIBAgIBATANBgkqhkiG9w0BAQsFADATMREwDwYDVQQDEwhjYXNo
        |-----END CERTIFICATE-----