Method checkForAlpnApi

okhttp/src/test/java/io/grpc/okhttp/TlsTest.java:79–91

()

  public final GrpcCleanupRule grpcCleanupRule = new GrpcCleanupRule();

  @Before
  public void checkForAlpnApi() throws Exception {
    // This checks for the "Java 9 ALPN API" which was backported to Java 8u252. The Kokoro Windows
    // CI is on too old of a JDK for us to assume this is available.
    SSLContext context = SSLContext.getInstance("TLS");
    context.init(null, null, null);
    SSLEngine engine = context.createSSLEngine();
    try {
      SSLEngine.class.getMethod("getApplicationProtocol").invoke(engine);
    } catch (NoSuchMethodException | UnsupportedOperationException ex) {
      Assume.assumeNoException(ex);
    }
  }

  @Test
  public void basicTls_succeeds() throws Exception {