URLConnectionTest.java 文件源码

@Test public void connectViaHttpsWithSSLFallbackFailuresRecorded() throws Exception {
  server.useHttps(sslClient.socketFactory, false);
  server.enqueue(new MockResponse().setSocketPolicy(FAIL_HANDSHAKE));
  server.enqueue(new MockResponse().setSocketPolicy(FAIL_HANDSHAKE));

  urlFactory.setClient(urlFactory.client().newBuilder()
      .dns(new SingleInetAddressDns())
      .connectionSpecs(Arrays.asList(ConnectionSpec.MODERN_TLS, ConnectionSpec.COMPATIBLE_TLS))
      .hostnameVerifier(new RecordingHostnameVerifier())
      .sslSocketFactory(suppressTlsFallbackClientSocketFactory(), sslClient.trustManager)
      .build());
  connection = urlFactory.open(server.url("/foo").url());

  try {
    connection.getResponseCode();
    fail();
  } catch (IOException expected) {
    assertEquals(1, expected.getSuppressed().length);
  }
}