Function foreach

src/tests/ssl_tests.cpp:545–582

For each protocol.

{
  // For each protocol.
  foreach (const string& server_protocol, protocols) {
    LOG(INFO) << "Testing server protocol '" << server_protocol << "'\n";

    // Set up the default server environment variables.
    map<string, string> server_environment = {
      {"LIBPROCESS_SSL_ENABLED", "true"},
      {"LIBPROCESS_SSL_SUPPORT_DOWNGRADE", "true"},
      {"LIBPROCESS_SSL_KEY_FILE", key_path().string()},
      {"LIBPROCESS_SSL_CERT_FILE", certificate_path().string()}
    };

    // Disable all protocols except for the one we're testing.
    foreach (const string& protocol, protocols) {
      server_environment.emplace(
          protocol,
          stringify(protocol == server_protocol));
    }

    // Set up the server.
    Try<Socket> server = setup_server(server_environment);
    ASSERT_SOME(server);

    // Launch the client with a POLL socket.
    Try<Subprocess> client = launch_client({
        {"LIBPROCESS_SSL_ENABLED", "false"}},
        server.get(),
        false);
    ASSERT_SOME(client);

    Future<Socket> socket = server->accept();
    AWAIT_ASSERT_READY(socket);

    // TODO(jmlvanre): Remove const copy.
    AWAIT_ASSERT_EQ(data, Socket(socket.get()).recv());
    AWAIT_ASSERT_READY(Socket(socket.get()).send(data));

    AWAIT_ASSERT_READY(await_subprocess(client.get(), 0));
  }
}