platform.assumeJdk8()
    try {
      SSLSocket::class.java.getMethod("getApplicationProtocol")
      // also present on JDK8 after build 252.
      assertThat(buildIfSupported()).isNotNull()
    } catch (nsme: NoSuchMethodException) {
      assertThat(buildIfSupported()).isNull()
    }
  }

  @Test
  fun testToStringIsClassname() {
    assertThat(Jdk9Platform().toString()).isEqualTo("Jdk9Platform")
  }

  @Test