Merge github.com:grpc/grpc into churn-churn-churn-the-api-gently-down-the-stream
diff --git a/Makefile b/Makefile
index 7897b29..cdd9dc9 100644
--- a/Makefile
+++ b/Makefile
@@ -666,6 +666,7 @@
 transport_metadata_test: $(BINDIR)/$(CONFIG)/transport_metadata_test
 transport_security_test: $(BINDIR)/$(CONFIG)/transport_security_test
 async_end2end_test: $(BINDIR)/$(CONFIG)/async_end2end_test
+async_unary_ping_pong_test: $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test
 channel_arguments_test: $(BINDIR)/$(CONFIG)/channel_arguments_test
 cli_call_test: $(BINDIR)/$(CONFIG)/cli_call_test
 credentials_test: $(BINDIR)/$(CONFIG)/credentials_test
@@ -680,13 +681,16 @@
 interop_client: $(BINDIR)/$(CONFIG)/interop_client
 interop_server: $(BINDIR)/$(CONFIG)/interop_server
 interop_test: $(BINDIR)/$(CONFIG)/interop_test
+mock_test: $(BINDIR)/$(CONFIG)/mock_test
 pubsub_client: $(BINDIR)/$(CONFIG)/pubsub_client
 pubsub_publisher_test: $(BINDIR)/$(CONFIG)/pubsub_publisher_test
 pubsub_subscriber_test: $(BINDIR)/$(CONFIG)/pubsub_subscriber_test
 qps_driver: $(BINDIR)/$(CONFIG)/qps_driver
-qps_smoke_test: $(BINDIR)/$(CONFIG)/qps_smoke_test
+qps_test: $(BINDIR)/$(CONFIG)/qps_test
 qps_worker: $(BINDIR)/$(CONFIG)/qps_worker
 status_test: $(BINDIR)/$(CONFIG)/status_test
+sync_streaming_ping_pong_test: $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test
+sync_unary_ping_pong_test: $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test
 thread_pool_test: $(BINDIR)/$(CONFIG)/thread_pool_test
 chttp2_fake_security_bad_hostname_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test
 chttp2_fake_security_cancel_after_accept_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test
@@ -1079,7 +1083,7 @@
 
 buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alarm_heap_test $(BINDIR)/$(CONFIG)/alarm_list_test $(BINDIR)/$(CONFIG)/alarm_test $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/census_hash_table_test $(BINDIR)/$(CONFIG)/census_statistics_multiple_writers_circular_buffer_test $(BINDIR)/$(CONFIG)/census_statistics_multiple_writers_test $(BINDIR)/$(CONFIG)/census_statistics_performance_test $(BINDIR)/$(CONFIG)/census_statistics_quick_test $(BINDIR)/$(CONFIG)/census_statistics_small_log_test $(BINDIR)/$(CONFIG)/census_stub_test $(BINDIR)/$(CONFIG)/census_window_stats_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cancellable_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/poll_kick_posix_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/time_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test
 
-buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/qps_smoke_test $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/thread_pool_test
+buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_pool_test
 
 test: test_c test_cxx
 
@@ -1829,6 +1833,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/generic_end2end_test || ( echo test generic_end2end_test failed ; exit 1 )
 	$(E) "[RUN]     Testing interop_test"
 	$(Q) $(BINDIR)/$(CONFIG)/interop_test || ( echo test interop_test failed ; exit 1 )
+	$(E) "[RUN]     Testing mock_test"
+	$(Q) $(BINDIR)/$(CONFIG)/mock_test || ( echo test mock_test failed ; exit 1 )
 	$(E) "[RUN]     Testing status_test"
 	$(Q) $(BINDIR)/$(CONFIG)/status_test || ( echo test status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing thread_pool_test"
@@ -6745,6 +6751,46 @@
 endif
 
 
+ASYNC_UNARY_PING_PONG_TEST_SRC = \
+    test/cpp/qps/async_unary_ping_pong_test.cc \
+
+ASYNC_UNARY_PING_PONG_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(ASYNC_UNARY_PING_PONG_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/async_unary_ping_pong_test: openssl_dep_error
+
+else
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/async_unary_ping_pong_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/async_unary_ping_pong_test: $(PROTOBUF_DEP) $(ASYNC_UNARY_PING_PONG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(ASYNC_UNARY_PING_PONG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/async_unary_ping_pong_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_async_unary_ping_pong_test: $(ASYNC_UNARY_PING_PONG_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(ASYNC_UNARY_PING_PONG_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHANNEL_ARGUMENTS_TEST_SRC = \
     test/cpp/client/channel_arguments_test.cc \
 
@@ -7235,6 +7281,46 @@
 endif
 
 
+MOCK_TEST_SRC = \
+    test/cpp/end2end/mock_test.cc \
+
+MOCK_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(MOCK_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/mock_test: openssl_dep_error
+
+else
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/mock_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/mock_test: $(PROTOBUF_DEP) $(MOCK_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(MOCK_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/mock_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/end2end/mock_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_mock_test: $(MOCK_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(MOCK_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 PUBSUB_CLIENT_SRC = \
     examples/pubsub/main.cc \
 
@@ -7395,15 +7481,15 @@
 endif
 
 
-QPS_SMOKE_TEST_SRC = \
-    test/cpp/qps/smoke_test.cc \
+QPS_TEST_SRC = \
+    test/cpp/qps/qps_test.cc \
 
-QPS_SMOKE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_SMOKE_TEST_SRC))))
+QPS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
 
-$(BINDIR)/$(CONFIG)/qps_smoke_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/qps_test: openssl_dep_error
 
 else
 
@@ -7412,25 +7498,25 @@
 
 # You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
 
-$(BINDIR)/$(CONFIG)/qps_smoke_test: protobuf_dep_error
+$(BINDIR)/$(CONFIG)/qps_test: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/qps_smoke_test: $(PROTOBUF_DEP) $(QPS_SMOKE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/qps_test: $(PROTOBUF_DEP) $(QPS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(QPS_SMOKE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_smoke_test
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_test
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/smoke_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-deps_qps_smoke_test: $(QPS_SMOKE_TEST_OBJS:.o=.dep)
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_qps_test: $(QPS_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(QPS_SMOKE_TEST_OBJS:.o=.dep)
+-include $(QPS_TEST_OBJS:.o=.dep)
 endif
 endif
 
@@ -7515,6 +7601,86 @@
 endif
 
 
+SYNC_STREAMING_PING_PONG_TEST_SRC = \
+    test/cpp/qps/sync_streaming_ping_pong_test.cc \
+
+SYNC_STREAMING_PING_PONG_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SYNC_STREAMING_PING_PONG_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test: openssl_dep_error
+
+else
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test: $(PROTOBUF_DEP) $(SYNC_STREAMING_PING_PONG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(SYNC_STREAMING_PING_PONG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/sync_streaming_ping_pong_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_sync_streaming_ping_pong_test: $(SYNC_STREAMING_PING_PONG_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SYNC_STREAMING_PING_PONG_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+SYNC_UNARY_PING_PONG_TEST_SRC = \
+    test/cpp/qps/sync_unary_ping_pong_test.cc \
+
+SYNC_UNARY_PING_PONG_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SYNC_UNARY_PING_PONG_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test: openssl_dep_error
+
+else
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test: $(PROTOBUF_DEP) $(SYNC_UNARY_PING_PONG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(SYNC_UNARY_PING_PONG_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/sync_unary_ping_pong_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_sync_unary_ping_pong_test: $(SYNC_UNARY_PING_PONG_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SYNC_UNARY_PING_PONG_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 THREAD_POOL_TEST_SRC = \
     test/cpp/server/thread_pool_test.cc \
 
diff --git a/build.json b/build.json
index 944e039..88cacc9 100644
--- a/build.json
+++ b/build.json
@@ -1795,6 +1795,24 @@
       ]
     },
     {
+      "name": "async_unary_ping_pong_test",
+      "build": "test",
+      "run": false,
+      "language": "c++",
+      "src": [
+        "test/cpp/qps/async_unary_ping_pong_test.cc"
+      ],
+      "deps": [
+        "qps",
+        "grpc++_test_util",
+        "grpc_test_util",
+        "grpc++",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
+    {
       "name": "channel_arguments_test",
       "build": "test",
       "language": "c++",
@@ -2000,6 +2018,22 @@
       ]
     },
     {
+      "name": "mock_test",
+      "build": "test",
+      "language": "c++",
+      "src": [
+        "test/cpp/end2end/mock_test.cc"
+      ],
+      "deps": [
+        "grpc++_test_util",
+        "grpc_test_util",
+        "grpc++",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
+    {
       "name": "pubsub_client",
       "build": "do_not_build",
       "run": false,
@@ -2070,12 +2104,12 @@
       ]
     },
     {
-      "name": "qps_smoke_test",
+      "name": "qps_test",
       "build": "test",
       "run": false,
       "language": "c++",
       "src": [
-        "test/cpp/qps/smoke_test.cc"
+        "test/cpp/qps/qps_test.cc"
       ],
       "deps": [
         "qps",
@@ -2125,6 +2159,42 @@
       ]
     },
     {
+      "name": "sync_streaming_ping_pong_test",
+      "build": "test",
+      "run": false,
+      "language": "c++",
+      "src": [
+        "test/cpp/qps/sync_streaming_ping_pong_test.cc"
+      ],
+      "deps": [
+        "qps",
+        "grpc++_test_util",
+        "grpc_test_util",
+        "grpc++",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
+    {
+      "name": "sync_unary_ping_pong_test",
+      "build": "test",
+      "run": false,
+      "language": "c++",
+      "src": [
+        "test/cpp/qps/sync_unary_ping_pong_test.cc"
+      ],
+      "deps": [
+        "qps",
+        "grpc++_test_util",
+        "grpc_test_util",
+        "grpc++",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
+    {
       "name": "thread_pool_test",
       "build": "test",
       "language": "c++",
diff --git a/include/grpc++/async_unary_call.h b/include/grpc++/async_unary_call.h
index d1d5be5..97cec77 100644
--- a/include/grpc++/async_unary_call.h
+++ b/include/grpc++/async_unary_call.h
@@ -44,8 +44,19 @@
 #include <grpc/support/log.h>
 
 namespace grpc {
+
 template <class R>
-class ClientAsyncResponseReader GRPC_FINAL {
+class ClientAsyncResponseReaderInterface {
+ public:
+  virtual ~ClientAsyncResponseReaderInterface() {}
+  virtual void ReadInitialMetadata(void* tag) = 0;
+  virtual void Finish(R* msg, Status* status, void* tag) = 0;
+
+};
+
+template <class R>
+class ClientAsyncResponseReader GRPC_FINAL
+    : public ClientAsyncResponseReaderInterface<R> {
  public:
   ClientAsyncResponseReader(ChannelInterface* channel, CompletionQueue* cq,
                             const RpcMethod& method, ClientContext* context,
diff --git a/include/grpc++/stream.h b/include/grpc++/stream.h
index 6647e34..0efdbda 100644
--- a/include/grpc++/stream.h
+++ b/include/grpc++/stream.h
@@ -83,8 +83,14 @@
 };
 
 template <class R>
-class ClientReader GRPC_FINAL : public ClientStreamingInterface,
-                                public ReaderInterface<R> {
+class ClientReaderInterface : public ClientStreamingInterface,
+                              public ReaderInterface<R> {
+ public:
+  virtual void WaitForInitialMetadata() = 0;
+};
+
+template <class R>
+class ClientReader GRPC_FINAL : public ClientReaderInterface<R> {
  public:
   // Blocking create a stream and write the first request out.
   ClientReader(ChannelInterface* channel, const RpcMethod& method,
@@ -111,7 +117,7 @@
     GPR_ASSERT(cq_.Pluck(&buf));
   }
 
-  virtual bool Read(R* msg) GRPC_OVERRIDE {
+  bool Read(R* msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     if (!context_->initial_metadata_received_) {
       buf.AddRecvInitialMetadata(context_);
@@ -121,7 +127,7 @@
     return cq_.Pluck(&buf) && buf.got_message;
   }
 
-  virtual Status Finish() GRPC_OVERRIDE {
+  Status Finish() GRPC_OVERRIDE {
     CallOpBuffer buf;
     Status status;
     buf.AddClientRecvStatus(context_, &status);
@@ -137,8 +143,14 @@
 };
 
 template <class W>
-class ClientWriter GRPC_FINAL : public ClientStreamingInterface,
-                                public WriterInterface<W> {
+class ClientWriterInterface : public ClientStreamingInterface,
+                              public WriterInterface<W> {
+ public:
+  virtual bool WritesDone() = 0;
+};
+
+template <class W>
+class ClientWriter GRPC_FINAL : public ClientWriterInterface<W> {
  public:
   // Blocking create a stream.
   ClientWriter(ChannelInterface* channel, const RpcMethod& method,
@@ -152,14 +164,14 @@
     cq_.Pluck(&buf);
   }
 
-  virtual bool Write(const W& msg) GRPC_OVERRIDE {
+  bool Write(const W& msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     buf.AddSendMessage(msg);
     call_.PerformOps(&buf);
     return cq_.Pluck(&buf);
   }
 
-  virtual bool WritesDone() {
+  bool WritesDone() GRPC_OVERRIDE {
     CallOpBuffer buf;
     buf.AddClientSendClose();
     call_.PerformOps(&buf);
@@ -167,7 +179,7 @@
   }
 
   // Read the final response and wait for the final status.
-  virtual Status Finish() GRPC_OVERRIDE {
+  Status Finish() GRPC_OVERRIDE {
     CallOpBuffer buf;
     Status status;
     buf.AddRecvMessage(response_);
@@ -186,9 +198,16 @@
 
 // Client-side interface for bi-directional streaming.
 template <class W, class R>
-class ClientReaderWriter GRPC_FINAL : public ClientStreamingInterface,
-                                      public WriterInterface<W>,
-                                      public ReaderInterface<R> {
+class ClientReaderWriterInterface : public ClientStreamingInterface,
+                                    public WriterInterface<W>,
+                                    public ReaderInterface<R> {
+ public:
+  virtual void WaitForInitialMetadata() = 0;
+  virtual bool WritesDone() = 0;
+};
+
+template <class W, class R>
+class ClientReaderWriter GRPC_FINAL : public ClientReaderWriterInterface<W, R> {
  public:
   // Blocking create a stream.
   ClientReaderWriter(ChannelInterface* channel, const RpcMethod& method,
@@ -213,7 +232,7 @@
     GPR_ASSERT(cq_.Pluck(&buf));
   }
 
-  virtual bool Read(R* msg) GRPC_OVERRIDE {
+  bool Read(R* msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     if (!context_->initial_metadata_received_) {
       buf.AddRecvInitialMetadata(context_);
@@ -223,21 +242,21 @@
     return cq_.Pluck(&buf) && buf.got_message;
   }
 
-  virtual bool Write(const W& msg) GRPC_OVERRIDE {
+  bool Write(const W& msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     buf.AddSendMessage(msg);
     call_.PerformOps(&buf);
     return cq_.Pluck(&buf);
   }
 
-  virtual bool WritesDone() {
+  bool WritesDone() GRPC_OVERRIDE {
     CallOpBuffer buf;
     buf.AddClientSendClose();
     call_.PerformOps(&buf);
     return cq_.Pluck(&buf);
   }
 
-  virtual Status Finish() GRPC_OVERRIDE {
+  Status Finish() GRPC_OVERRIDE {
     CallOpBuffer buf;
     Status status;
     buf.AddClientRecvStatus(context_, &status);
@@ -267,7 +286,7 @@
     call_->cq()->Pluck(&buf);
   }
 
-  virtual bool Read(R* msg) GRPC_OVERRIDE {
+  bool Read(R* msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     buf.AddRecvMessage(msg);
     call_->PerformOps(&buf);
@@ -294,7 +313,7 @@
     call_->cq()->Pluck(&buf);
   }
 
-  virtual bool Write(const W& msg) GRPC_OVERRIDE {
+  bool Write(const W& msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     if (!ctx_->sent_initial_metadata_) {
       buf.AddSendInitialMetadata(&ctx_->initial_metadata_);
@@ -327,14 +346,14 @@
     call_->cq()->Pluck(&buf);
   }
 
-  virtual bool Read(R* msg) GRPC_OVERRIDE {
+  bool Read(R* msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     buf.AddRecvMessage(msg);
     call_->PerformOps(&buf);
     return call_->cq()->Pluck(&buf) && buf.got_message;
   }
 
-  virtual bool Write(const W& msg) GRPC_OVERRIDE {
+  bool Write(const W& msg) GRPC_OVERRIDE {
     CallOpBuffer buf;
     if (!ctx_->sent_initial_metadata_) {
       buf.AddSendInitialMetadata(&ctx_->initial_metadata_);
@@ -380,8 +399,12 @@
 };
 
 template <class R>
-class ClientAsyncReader GRPC_FINAL : public ClientAsyncStreamingInterface,
-                                     public AsyncReaderInterface<R> {
+class ClientAsyncReaderInterface : public ClientAsyncStreamingInterface,
+                                   public AsyncReaderInterface<R> {
+};
+
+template <class R>
+class ClientAsyncReader GRPC_FINAL : public ClientAsyncReaderInterface<R> {
  public:
   // Create a stream and write the first request out.
   ClientAsyncReader(ChannelInterface* channel, CompletionQueue* cq,
@@ -431,8 +454,14 @@
 };
 
 template <class W>
-class ClientAsyncWriter GRPC_FINAL : public ClientAsyncStreamingInterface,
-                                     public AsyncWriterInterface<W> {
+class ClientAsyncWriterInterface : public ClientAsyncStreamingInterface,
+                                   public AsyncWriterInterface<W> {
+ public:
+  virtual void WritesDone(void* tag) = 0;
+};
+
+template <class W>
+class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
  public:
   ClientAsyncWriter(ChannelInterface* channel, CompletionQueue* cq,
                     const RpcMethod& method, ClientContext* context,
@@ -459,7 +488,7 @@
     call_.PerformOps(&write_buf_);
   }
 
-  void WritesDone(void* tag) {
+  void WritesDone(void* tag) GRPC_OVERRIDE {
     writes_done_buf_.Reset(tag);
     writes_done_buf_.AddClientSendClose();
     call_.PerformOps(&writes_done_buf_);
@@ -488,9 +517,16 @@
 
 // Client-side interface for bi-directional streaming.
 template <class W, class R>
-class ClientAsyncReaderWriter GRPC_FINAL : public ClientAsyncStreamingInterface,
-                                           public AsyncWriterInterface<W>,
-                                           public AsyncReaderInterface<R> {
+class ClientAsyncReaderWriterInterface : public ClientAsyncStreamingInterface,
+                                         public AsyncWriterInterface<W>,
+                                         public AsyncReaderInterface<R> {
+ public:
+  virtual void WritesDone(void* tag) = 0;
+};
+
+template <class W, class R>
+class ClientAsyncReaderWriter GRPC_FINAL
+    : public ClientAsyncReaderWriterInterface<W, R> {
  public:
   ClientAsyncReaderWriter(ChannelInterface* channel, CompletionQueue* cq,
                           const RpcMethod& method, ClientContext* context,
@@ -524,7 +560,7 @@
     call_.PerformOps(&write_buf_);
   }
 
-  void WritesDone(void* tag) {
+  void WritesDone(void* tag) GRPC_OVERRIDE {
     writes_done_buf_.Reset(tag);
     writes_done_buf_.AddClientSendClose();
     call_.PerformOps(&writes_done_buf_);
@@ -671,13 +707,13 @@
     call_.PerformOps(&meta_buf_);
   }
 
-  virtual void Read(R* msg, void* tag) GRPC_OVERRIDE {
+  void Read(R* msg, void* tag) GRPC_OVERRIDE {
     read_buf_.Reset(tag);
     read_buf_.AddRecvMessage(msg);
     call_.PerformOps(&read_buf_);
   }
 
-  virtual void Write(const W& msg, void* tag) GRPC_OVERRIDE {
+  void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_buf_.Reset(tag);
     if (!ctx_->sent_initial_metadata_) {
       write_buf_.AddSendInitialMetadata(&ctx_->initial_metadata_);
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index 46c842a..1a063c0 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -156,51 +156,17 @@
       "#include <grpc++/impl/internal_stub.h>\n"
       "#include <grpc++/impl/rpc_method.h>\n"
       "#include <grpc++/impl/service_type.h>\n"
+      "#include <grpc++/async_unary_call.h>\n"
       "#include <grpc++/status.h>\n"
+      "#include <grpc++/stream.h>\n"
       "\n"
       "namespace grpc {\n"
       "class CompletionQueue;\n"
       "class ChannelInterface;\n"
       "class RpcService;\n"
       "class ServerCompletionQueue;\n"
-      "class ServerContext;\n";
-  if (HasUnaryCalls(file)) {
-    temp.append(
-        "template <class OutMessage> class ClientAsyncResponseReader;\n");
-    temp.append(
-        "template <class OutMessage> class ServerAsyncResponseWriter;\n");
-  }
-  if (HasClientOnlyStreaming(file)) {
-    temp.append("template <class OutMessage> class ClientWriter;\n");
-    temp.append("template <class InMessage> class ServerReader;\n");
-    temp.append("template <class OutMessage> class ClientAsyncWriter;\n");
-    temp.append(
-        "template <class OutMessage, class InMessage> class "
-        "ServerAsyncReader;\n");
-  }
-  if (HasServerOnlyStreaming(file)) {
-    temp.append("template <class InMessage> class ClientReader;\n");
-    temp.append("template <class OutMessage> class ServerWriter;\n");
-    temp.append("template <class OutMessage> class ClientAsyncReader;\n");
-    temp.append("template <class InMessage> class ServerAsyncWriter;\n");
-  }
-  if (HasBidiStreaming(file)) {
-    temp.append(
-        "template <class OutMessage, class InMessage>\n"
-        "class ClientReaderWriter;\n");
-    temp.append(
-        "template <class OutMessage, class InMessage>\n"
-        "class ServerReaderWriter;\n");
-    temp.append(
-        "template <class OutMessage, class InMessage>\n"
-        "class ClientAsyncReaderWriter;\n");
-    temp.append(
-        "template <class OutMessage, class InMessage>\n"
-        "class ServerAsyncReaderWriter;\n");
-  }
-  temp.append("}  // namespace grpc\n");
-
-  temp.append("\n");
+      "class ServerContext;\n"
+      "}  // namespace grpc\n\n";
 
   if (!file->package().empty()) {
     std::vector<grpc::string> parts =
@@ -217,54 +183,313 @@
   return temp;
 }
 
-void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
+void PrintHeaderClientMethodInterfaces(grpc::protobuf::io::Printer *printer,
                              const grpc::protobuf::MethodDescriptor *method,
-                             std::map<grpc::string, grpc::string> *vars) {
+                             std::map<grpc::string, grpc::string> *vars,
+                             bool is_public) {
   (*vars)["Method"] = method->name();
   (*vars)["Request"] =
       grpc_cpp_generator::ClassName(method->input_type(), true);
   (*vars)["Response"] =
       grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
-    printer->Print(*vars,
-                   "::grpc::Status $Method$(::grpc::ClientContext* context, "
-                   "const $Request$& request, $Response$* response);\n");
-    printer->Print(
-        *vars,
-        "std::unique_ptr< ::grpc::ClientAsyncResponseReader< $Response$>> "
-        "Async$Method$(::grpc::ClientContext* context, "
-        "const $Request$& request, "
-        "::grpc::CompletionQueue* cq, void* tag);\n");
-  } else if (ClientOnlyStreaming(method)) {
-    printer->Print(
-        *vars,
-        "std::unique_ptr< ::grpc::ClientWriter< $Request$>> $Method$("
-        "::grpc::ClientContext* context, $Response$* response);\n");
-    printer->Print(
-        *vars,
-        "std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>> Async$Method$("
-        "::grpc::ClientContext* context, $Response$* response, "
-        "::grpc::CompletionQueue* cq, void* tag);\n");
-  } else if (ServerOnlyStreaming(method)) {
-    printer->Print(
-        *vars,
-        "std::unique_ptr< ::grpc::ClientReader< $Response$>> $Method$("
-        "::grpc::ClientContext* context, const $Request$& request);\n");
-    printer->Print(*vars,
-                   "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> "
-                   "Async$Method$("
-                   "::grpc::ClientContext* context, const $Request$& request, "
-                   "::grpc::CompletionQueue* cq, void* tag);\n");
-  } else if (BidiStreaming(method)) {
-    printer->Print(
-        *vars,
-        "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>> "
-        "$Method$(::grpc::ClientContext* context);\n");
-    printer->Print(*vars,
-                   "std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
-                   "$Request$, $Response$>> "
-                   "Async$Method$(::grpc::ClientContext* context, "
-                   "::grpc::CompletionQueue* cq, void* tag);\n");
+
+  if (is_public) {
+    if (NoStreaming(method)) {
+      printer->Print(
+          *vars,
+          "virtual ::grpc::Status $Method$(::grpc::ClientContext* context, "
+          "const $Request$& request, $Response$* response) = 0;\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< "
+          "::grpc::ClientAsyncResponseReaderInterface< $Response$>> "
+          "Async$Method$(::grpc::ClientContext* context, "
+          "const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientAsyncResponseReaderInterface< $Response$>>("
+          "Async$Method$Raw(context, request, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    } else if (ClientOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>"
+          " $Method$("
+          "::grpc::ClientContext* context, $Response$* response) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>"
+          "($Method$Raw(context, response));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientAsyncWriterInterface< $Request$>>"
+          " Async$Method$(::grpc::ClientContext* context, $Response$* response, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientAsyncWriterInterface< $Request$>>("
+          "Async$Method$Raw(context, response, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    } else if (ServerOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>"
+          " $Method$(::grpc::ClientContext* context, const $Request$& request)"
+          " {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>"
+          "($Method$Raw(context, request));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientAsyncReaderInterface< $Response$>> "
+          "Async$Method$("
+          "::grpc::ClientContext* context, const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientAsyncReaderInterface< $Response$>>("
+          "Async$Method$Raw(context, request, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    } else if (BidiStreaming(method)) {
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientReaderWriterInterface< $Request$, $Response$>> "
+          "$Method$(::grpc::ClientContext* context) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientReaderWriterInterface< $Request$, $Response$>>("
+          "$Method$Raw(context));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< "
+          "::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>> "
+          "Async$Method$(::grpc::ClientContext* context, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>>("
+          "Async$Method$Raw(context, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    }
+  } else {
+    if (NoStreaming(method)) {
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientAsyncResponseReaderInterface< $Response$>* "
+          "Async$Method$Raw(::grpc::ClientContext* context, "
+          "const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
+    } else if (ClientOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientWriterInterface< $Request$>*"
+          " $Method$Raw("
+          "::grpc::ClientContext* context, $Response$* response) = 0;\n");
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientAsyncWriterInterface< $Request$>*"
+          " Async$Method$Raw(::grpc::ClientContext* context, "
+          "$Response$* response, "
+          "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
+    } else if (ServerOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientReaderInterface< $Response$>* $Method$Raw("
+          "::grpc::ClientContext* context, const $Request$& request) = 0;\n");
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientAsyncReaderInterface< $Response$>* "
+          "Async$Method$Raw("
+          "::grpc::ClientContext* context, const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
+    } else if (BidiStreaming(method)) {
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientReaderWriterInterface< $Request$, $Response$>* "
+          "$Method$Raw(::grpc::ClientContext* context) = 0;\n");
+      printer->Print(
+          *vars,
+          "virtual ::grpc::ClientAsyncReaderWriterInterface< "
+          "$Request$, $Response$>* "
+          "Async$Method$Raw(::grpc::ClientContext* context, "
+          "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
+    }
+  }
+}
+
+void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
+                             const grpc::protobuf::MethodDescriptor *method,
+                             std::map<grpc::string, grpc::string> *vars,
+                             bool is_public) {
+  (*vars)["Method"] = method->name();
+  (*vars)["Request"] =
+      grpc_cpp_generator::ClassName(method->input_type(), true);
+  (*vars)["Response"] =
+      grpc_cpp_generator::ClassName(method->output_type(), true);
+  if (is_public) {
+    if (NoStreaming(method)) {
+      printer->Print(
+          *vars,
+          "::grpc::Status $Method$(::grpc::ClientContext* context, "
+          "const $Request$& request, $Response$* response) GRPC_OVERRIDE;\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientAsyncResponseReader< $Response$>> "
+          "Async$Method$(::grpc::ClientContext* context, "
+          "const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientAsyncResponseReader< $Response$>>("
+          "Async$Method$Raw(context, request, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    } else if (ClientOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientWriter< $Request$>>"
+          " $Method$("
+          "::grpc::ClientContext* context, $Response$* response) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< ::grpc::ClientWriter< $Request$>>"
+          "($Method$Raw(context, response));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>"
+          " Async$Method$(::grpc::ClientContext* context, $Response$* response, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>("
+          "Async$Method$Raw(context, response, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    } else if (ServerOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientReader< $Response$>>"
+          " $Method$(::grpc::ClientContext* context, const $Request$& request)"
+          " {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< ::grpc::ClientReader< $Response$>>"
+          "($Method$Raw(context, request));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> "
+          "Async$Method$("
+          "::grpc::ClientContext* context, const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>>("
+          "Async$Method$Raw(context, request, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    } else if (BidiStreaming(method)) {
+      printer->Print(
+          *vars,
+          "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>>"
+          " $Method$(::grpc::ClientContext* context) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientReaderWriter< $Request$, $Response$>>("
+          "$Method$Raw(context));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+      printer->Print(
+          *vars,
+          "std::unique_ptr<  ::grpc::ClientAsyncReaderWriter< "
+          "$Request$, $Response$>> "
+          "Async$Method$(::grpc::ClientContext* context, "
+          "::grpc::CompletionQueue* cq, void* tag) {\n");
+      printer->Indent();
+      printer->Print(
+          *vars,
+          "return std::unique_ptr< "
+          "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>>("
+          "Async$Method$Raw(context, cq, tag));\n");
+      printer->Outdent();
+      printer->Print("}\n");
+    }
+  } else {
+    if (NoStreaming(method)) {
+      printer->Print(
+          *vars,
+          "::grpc::ClientAsyncResponseReader< $Response$>* "
+          "Async$Method$Raw(::grpc::ClientContext* context, "
+          "const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+    } else if (ClientOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "::grpc::ClientWriter< $Request$>* $Method$Raw("
+          "::grpc::ClientContext* context, $Response$* response) "
+          "GRPC_OVERRIDE;\n");
+      printer->Print(
+          *vars,
+          "::grpc::ClientAsyncWriter< $Request$>* Async$Method$Raw("
+          "::grpc::ClientContext* context, $Response$* response, "
+          "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+    } else if (ServerOnlyStreaming(method)) {
+      printer->Print(
+          *vars,
+          "::grpc::ClientReader< $Response$>* $Method$Raw("
+          "::grpc::ClientContext* context, const $Request$& request)"
+          " GRPC_OVERRIDE;\n");
+      printer->Print(
+          *vars,
+          "::grpc::ClientAsyncReader< $Response$>* Async$Method$Raw("
+          "::grpc::ClientContext* context, const $Request$& request, "
+          "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+    } else if (BidiStreaming(method)) {
+      printer->Print(
+          *vars,
+          "::grpc::ClientReaderWriter< $Request$, $Response$>* "
+          "$Method$Raw(::grpc::ClientContext* context) GRPC_OVERRIDE;\n");
+      printer->Print(
+          *vars,
+          "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* "
+          "Async$Method$Raw(::grpc::ClientContext* context, "
+          "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+    }
   }
 }
 
@@ -365,18 +590,37 @@
 
   // Client side
   printer->Print(
-      "class Stub GRPC_FINAL : public ::grpc::InternalStub {\n"
+      "class StubInterface {\n"
       " public:\n");
   printer->Indent();
+  printer->Print("virtual ~StubInterface() {}\n");
+  for (int i = 0; i < service->method_count(); ++i) {
+    PrintHeaderClientMethodInterfaces(printer, service->method(i), vars, true);
+  }
+  printer->Outdent();
+  printer->Print("private:\n");
+  printer->Indent();
+  for (int i = 0; i < service->method_count(); ++i) {
+    PrintHeaderClientMethodInterfaces(printer, service->method(i), vars, false);
+  }
+  printer->Outdent();
+  printer->Print("};\n");
+  printer->Print(
+      "class Stub GRPC_FINAL : public StubInterface,"
+      " public ::grpc::InternalStub {\n public:\n");
+  printer->Indent();
   printer->Print(
       "Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethod(printer, service->method(i), vars);
+    PrintHeaderClientMethod(printer, service->method(i), vars, true);
   }
   printer->Outdent();
-  printer->Print(" private:\n");
+  printer->Print("\n private:\n");
   printer->Indent();
   for (int i = 0; i < service->method_count(); ++i) {
+    PrintHeaderClientMethod(printer, service->method(i), vars, false);
+  }
+  for (int i = 0; i < service->method_count(); ++i) {
     PrintHeaderClientMethodData(printer, service->method(i), vars);
   }
   printer->Outdent();
@@ -543,93 +787,85 @@
                    "}\n\n");
     printer->Print(
         *vars,
-        "std::unique_ptr< ::grpc::ClientAsyncResponseReader< $Response$>> "
-        "$ns$$Service$::Stub::Async$Method$(::grpc::ClientContext* context, "
+        "::grpc::ClientAsyncResponseReader< $Response$>* "
+        "$ns$$Service$::Stub::Async$Method$Raw(::grpc::ClientContext* context, "
         "const $Request$& request, "
         "::grpc::CompletionQueue* cq, void* tag) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< "
-                   "::grpc::ClientAsyncResponseReader< $Response$>>(new "
+                   "  return new "
                    "::grpc::ClientAsyncResponseReader< $Response$>("
                    "channel(), cq, "
                    "rpcmethod_$Method$_, "
-                   "context, request, tag));\n"
+                   "context, request, tag);\n"
                    "}\n\n");
   } else if (ClientOnlyStreaming(method)) {
     printer->Print(*vars,
-                   "std::unique_ptr< ::grpc::ClientWriter< $Request$>> "
-                   "$ns$$Service$::Stub::$Method$("
+                   "::grpc::ClientWriter< $Request$>* "
+                   "$ns$$Service$::Stub::$Method$Raw("
                    "::grpc::ClientContext* context, $Response$* response) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< ::grpc::ClientWriter< "
-                   "$Request$>>(new ::grpc::ClientWriter< $Request$>("
-                   "channel(),"
+                   "  return new ::grpc::ClientWriter< $Request$>("
+                   "channel(), "
                    "rpcmethod_$Method$_, "
-                   "context, response));\n"
+                   "context, response);\n"
                    "}\n\n");
     printer->Print(*vars,
-                   "std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>> "
-                   "$ns$$Service$::Stub::Async$Method$("
+                   "::grpc::ClientAsyncWriter< $Request$>* "
+                   "$ns$$Service$::Stub::Async$Method$Raw("
                    "::grpc::ClientContext* context, $Response$* response, "
                    "::grpc::CompletionQueue* cq, void* tag) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< ::grpc::ClientAsyncWriter< "
-                   "$Request$>>(new ::grpc::ClientAsyncWriter< $Request$>("
+                   "  return new ::grpc::ClientAsyncWriter< $Request$>("
                    "channel(), cq, "
                    "rpcmethod_$Method$_, "
-                   "context, response, tag));\n"
+                   "context, response, tag);\n"
                    "}\n\n");
   } else if (ServerOnlyStreaming(method)) {
     printer->Print(
         *vars,
-        "std::unique_ptr< ::grpc::ClientReader< $Response$>> "
-        "$ns$$Service$::Stub::$Method$("
+        "::grpc::ClientReader< $Response$>* "
+        "$ns$$Service$::Stub::$Method$Raw("
         "::grpc::ClientContext* context, const $Request$& request) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< ::grpc::ClientReader< "
-                   "$Response$>>(new ::grpc::ClientReader< $Response$>("
-                   "channel(),"
+                   "  return new ::grpc::ClientReader< $Response$>("
+                   "channel(), "
                    "rpcmethod_$Method$_, "
-                   "context, request));\n"
+                   "context, request);\n"
                    "}\n\n");
     printer->Print(*vars,
-                   "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> "
-                   "$ns$$Service$::Stub::Async$Method$("
+                   "::grpc::ClientAsyncReader< $Response$>* "
+                   "$ns$$Service$::Stub::Async$Method$Raw("
                    "::grpc::ClientContext* context, const $Request$& request, "
                    "::grpc::CompletionQueue* cq, void* tag) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< ::grpc::ClientAsyncReader< "
-                   "$Response$>>(new ::grpc::ClientAsyncReader< $Response$>("
+                   "  return new ::grpc::ClientAsyncReader< $Response$>("
                    "channel(), cq, "
                    "rpcmethod_$Method$_, "
-                   "context, request, tag));\n"
+                   "context, request, tag);\n"
                    "}\n\n");
   } else if (BidiStreaming(method)) {
     printer->Print(
         *vars,
-        "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>> "
-        "$ns$$Service$::Stub::$Method$(::grpc::ClientContext* context) {\n");
+        "::grpc::ClientReaderWriter< $Request$, $Response$>* "
+        "$ns$$Service$::Stub::$Method$Raw(::grpc::ClientContext* context) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< ::grpc::ClientReaderWriter< "
-                   "$Request$, $Response$>>(new ::grpc::ClientReaderWriter< "
+                   "  return new ::grpc::ClientReaderWriter< "
                    "$Request$, $Response$>("
-                   "channel(),"
+                   "channel(), "
                    "rpcmethod_$Method$_, "
-                   "context));\n"
+                   "context);\n"
                    "}\n\n");
     printer->Print(
         *vars,
-        "std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
-        "$Request$, $Response$>> "
-        "$ns$$Service$::Stub::Async$Method$(::grpc::ClientContext* context, "
+        "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* "
+        "$ns$$Service$::Stub::Async$Method$Raw(::grpc::ClientContext* context, "
         "::grpc::CompletionQueue* cq, void* tag) {\n");
     printer->Print(*vars,
-                   "  return std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
-                   "$Request$, $Response$>>(new "
+                   "  return new "
                    "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>("
                    "channel(), cq, "
                    "rpcmethod_$Method$_, "
-                   "context, tag));\n"
+                   "context, tag);\n"
                    "}\n\n");
   }
 }
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
new file mode 100644
index 0000000..a4b2ee3
--- /dev/null
+++ b/test/cpp/end2end/mock_test.cc
@@ -0,0 +1,291 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <thread>
+
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+#include "test/cpp/util/echo_duplicate.grpc.pb.h"
+#include "test/cpp/util/echo.grpc.pb.h"
+#include "src/cpp/server/thread_pool.h"
+#include <grpc++/channel_arguments.h>
+#include <grpc++/channel_interface.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include <grpc++/server_context.h>
+#include <grpc++/server_credentials.h>
+#include <grpc++/status.h>
+#include <grpc++/stream.h>
+#include <grpc++/time.h>
+#include <gtest/gtest.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
+
+using grpc::cpp::test::util::EchoRequest;
+using grpc::cpp::test::util::EchoResponse;
+using grpc::cpp::test::util::TestService;
+using std::chrono::system_clock;
+
+namespace grpc {
+namespace testing {
+
+namespace {
+template <class W, class R>
+class MockClientReaderWriter GRPC_FINAL
+    : public ClientReaderWriterInterface<W, R> {
+ public:
+  void WaitForInitialMetadata() {}
+  bool Read(R* msg) GRPC_OVERRIDE { return true; }
+  bool Write(const W& msg) GRPC_OVERRIDE { return true; }
+  bool WritesDone() GRPC_OVERRIDE { return true; }
+  Status Finish() GRPC_OVERRIDE { return Status::OK; }
+};
+template <>
+class MockClientReaderWriter<EchoRequest, EchoResponse> GRPC_FINAL
+    : public ClientReaderWriterInterface<EchoRequest, EchoResponse> {
+ public:
+  MockClientReaderWriter() : writes_done_(false) {}
+  void WaitForInitialMetadata() {}
+  bool Read(EchoResponse* msg) GRPC_OVERRIDE {
+    if (writes_done_) return false;
+    msg->set_message(last_message_);
+    return true;
+  }
+  bool Write(const EchoRequest& msg) GRPC_OVERRIDE {
+    gpr_log(GPR_INFO, "mock recv msg %s", msg.message().c_str());
+    last_message_ = msg.message();
+    return true;
+  }
+  bool WritesDone() GRPC_OVERRIDE {
+    writes_done_ = true;
+    return true;
+  }
+  Status Finish() GRPC_OVERRIDE { return Status::OK; }
+
+ private:
+  bool writes_done_;
+  grpc::string last_message_;
+};
+
+// Mocked stub.
+class MockStub : public TestService::StubInterface {
+ public:
+  MockStub() {}
+  ~MockStub() {}
+  Status Echo(ClientContext* context, const EchoRequest& request,
+              EchoResponse* response) GRPC_OVERRIDE {
+    response->set_message(request.message());
+    return Status::OK;
+  }
+  Status Unimplemented(ClientContext* context, const EchoRequest& request,
+                       EchoResponse* response) GRPC_OVERRIDE {
+    return Status::OK;
+  }
+
+ private:
+  ClientAsyncResponseReaderInterface<EchoResponse>* AsyncEchoRaw(
+      ClientContext* context, const EchoRequest& request, CompletionQueue* cq,
+      void* tag) GRPC_OVERRIDE {
+    return nullptr;
+  }
+  ClientWriterInterface<EchoRequest>* RequestStreamRaw(
+      ClientContext* context, EchoResponse* response) GRPC_OVERRIDE {
+    return nullptr;
+  }
+  ClientAsyncWriterInterface<EchoRequest>* AsyncRequestStreamRaw(
+      ClientContext* context, EchoResponse* response, CompletionQueue* cq,
+      void* tag) GRPC_OVERRIDE {
+    return nullptr;
+  }
+  ClientReaderInterface<EchoResponse>* ResponseStreamRaw(
+      ClientContext* context, const EchoRequest& request) GRPC_OVERRIDE {
+    return nullptr;
+  }
+  ClientAsyncReaderInterface<EchoResponse>* AsyncResponseStreamRaw(
+      ClientContext* context, const EchoRequest& request, CompletionQueue* cq,
+      void* tag) GRPC_OVERRIDE {
+    return nullptr;
+  }
+  ClientReaderWriterInterface<EchoRequest, EchoResponse>* BidiStreamRaw(
+      ClientContext* context) GRPC_OVERRIDE {
+    return new MockClientReaderWriter<EchoRequest, EchoResponse>();
+  }
+  ClientAsyncReaderWriterInterface<EchoRequest, EchoResponse>*
+  AsyncBidiStreamRaw(ClientContext* context, CompletionQueue* cq,
+                     void* tag) GRPC_OVERRIDE {
+    return nullptr;
+  }
+  ClientAsyncResponseReaderInterface<EchoResponse>* AsyncUnimplementedRaw(
+      ClientContext* context, const EchoRequest& request, CompletionQueue* cq,
+      void* tag) GRPC_OVERRIDE {
+    return nullptr;
+  }
+};
+
+class FakeClient {
+ public:
+  explicit FakeClient(TestService::StubInterface* stub) : stub_(stub) {}
+
+  void DoEcho() {
+    ClientContext context;
+    EchoRequest request;
+    EchoResponse response;
+    request.set_message("hello world");
+    Status s = stub_->Echo(&context, request, &response);
+    EXPECT_EQ(request.message(), response.message());
+    EXPECT_TRUE(s.IsOk());
+  }
+
+  void DoBidiStream() {
+    EchoRequest request;
+    EchoResponse response;
+    ClientContext context;
+    grpc::string msg("hello");
+
+    std::unique_ptr<ClientReaderWriterInterface<EchoRequest, EchoResponse>>
+        stream = stub_->BidiStream(&context);
+
+    request.set_message(msg + "0");
+    EXPECT_TRUE(stream->Write(request));
+    EXPECT_TRUE(stream->Read(&response));
+    EXPECT_EQ(response.message(), request.message());
+
+    request.set_message(msg + "1");
+    EXPECT_TRUE(stream->Write(request));
+    EXPECT_TRUE(stream->Read(&response));
+    EXPECT_EQ(response.message(), request.message());
+
+    request.set_message(msg + "2");
+    EXPECT_TRUE(stream->Write(request));
+    EXPECT_TRUE(stream->Read(&response));
+    EXPECT_EQ(response.message(), request.message());
+
+    stream->WritesDone();
+    EXPECT_FALSE(stream->Read(&response));
+
+    Status s = stream->Finish();
+    EXPECT_TRUE(s.IsOk());
+  }
+
+  void ResetStub(TestService::StubInterface* stub) { stub_ = stub; }
+
+ private:
+  TestService::StubInterface* stub_;
+};
+
+class TestServiceImpl : public TestService::Service {
+ public:
+  Status Echo(ServerContext* context, const EchoRequest* request,
+              EchoResponse* response) GRPC_OVERRIDE {
+    response->set_message(request->message());
+    return Status::OK;
+  }
+
+  Status BidiStream(ServerContext* context,
+                    ServerReaderWriter<EchoResponse, EchoRequest>* stream)
+      GRPC_OVERRIDE {
+    EchoRequest request;
+    EchoResponse response;
+    while (stream->Read(&request)) {
+      gpr_log(GPR_INFO, "recv msg %s", request.message().c_str());
+      response.set_message(request.message());
+      stream->Write(response);
+    }
+    return Status::OK;
+  }
+};
+
+class MockTest : public ::testing::Test {
+ protected:
+  MockTest() : thread_pool_(2) {}
+
+  void SetUp() GRPC_OVERRIDE {
+    int port = grpc_pick_unused_port_or_die();
+    server_address_ << "localhost:" << port;
+    // Setup server
+    ServerBuilder builder;
+    builder.AddListeningPort(server_address_.str(),
+                             InsecureServerCredentials());
+    builder.RegisterService(&service_);
+    builder.SetThreadPool(&thread_pool_);
+    server_ = builder.BuildAndStart();
+  }
+
+  void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
+
+  void ResetStub() {
+    std::shared_ptr<ChannelInterface> channel = CreateChannel(
+        server_address_.str(), InsecureCredentials(), ChannelArguments());
+    stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
+  }
+
+  std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
+  std::unique_ptr<Server> server_;
+  std::ostringstream server_address_;
+  TestServiceImpl service_;
+  ThreadPool thread_pool_;
+};
+
+// Do one real rpc and one mocked one
+TEST_F(MockTest, SimpleRpc) {
+  ResetStub();
+  FakeClient client(stub_.get());
+  client.DoEcho();
+  MockStub stub;
+  client.ResetStub(&stub);
+  client.DoEcho();
+}
+
+TEST_F(MockTest, BidiStream) {
+  ResetStub();
+  FakeClient client(stub_.get());
+  client.DoBidiStream();
+  MockStub stub;
+  client.ResetStub(&stub);
+  client.DoBidiStream();
+}
+
+}  // namespace
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/qps/async_unary_ping_pong_test.cc b/test/cpp/qps/async_unary_ping_pong_test.cc
new file mode 100644
index 0000000..8b037a8
--- /dev/null
+++ b/test/cpp/qps/async_unary_ping_pong_test.cc
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+
+#include <signal.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/report.h"
+
+namespace grpc {
+namespace testing {
+
+static const int WARMUP = 5;
+static const int BENCHMARK = 10;
+
+static void RunAsyncUnaryPingPong() {
+  gpr_log(GPR_INFO, "Running Async Unary Ping Pong");
+
+  ClientConfig client_config;
+  client_config.set_client_type(ASYNC_CLIENT);
+  client_config.set_enable_ssl(false);
+  client_config.set_outstanding_rpcs_per_channel(1);
+  client_config.set_client_channels(1);
+  client_config.set_payload_size(1);
+  client_config.set_async_client_threads(1);
+  client_config.set_rpc_type(UNARY);
+
+  ServerConfig server_config;
+  server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_enable_ssl(false);
+  server_config.set_threads(1);
+
+  const auto result =
+      RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
+
+  ReportQPS(result);
+  ReportLatency(result);
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  signal(SIGPIPE, SIG_IGN);
+  grpc::testing::RunAsyncUnaryPingPong();
+
+  return 0;
+}
diff --git a/test/cpp/qps/qps_test.cc b/test/cpp/qps/qps_test.cc
new file mode 100644
index 0000000..f567e4c
--- /dev/null
+++ b/test/cpp/qps/qps_test.cc
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+
+#include <signal.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/report.h"
+
+namespace grpc {
+namespace testing {
+
+static const int WARMUP = 5;
+static const int BENCHMARK = 10;
+
+static void RunQPS() {
+  gpr_log(GPR_INFO, "Running QPS test");
+
+  ClientConfig client_config;
+  client_config.set_client_type(ASYNC_CLIENT);
+  client_config.set_enable_ssl(false);
+  client_config.set_outstanding_rpcs_per_channel(1000);
+  client_config.set_client_channels(8);
+  client_config.set_payload_size(1);
+  client_config.set_async_client_threads(8);
+  client_config.set_rpc_type(UNARY);
+
+  ServerConfig server_config;
+  server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_enable_ssl(false);
+  server_config.set_threads(4);
+
+  const auto result =
+      RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
+
+  ReportQPSPerCore(result, server_config);
+  ReportLatency(result);
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  signal(SIGPIPE, SIG_IGN);
+  grpc::testing::RunQPS();
+
+  return 0;
+}
diff --git a/test/cpp/qps/smoke_test.cc b/test/cpp/qps/smoke_test.cc
deleted file mode 100644
index 1a44833..0000000
--- a/test/cpp/qps/smoke_test.cc
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/log.h>
-
-#include <signal.h>
-
-#include "test/cpp/qps/driver.h"
-#include "test/cpp/qps/report.h"
-
-namespace grpc {
-namespace testing {
-
-static const int WARMUP = 5;
-static const int BENCHMARK = 10;
-
-static void RunSynchronousUnaryPingPong() {
-  gpr_log(GPR_INFO, "Running Synchronous Unary Ping Pong");
-
-  ClientConfig client_config;
-  client_config.set_client_type(SYNCHRONOUS_CLIENT);
-  client_config.set_enable_ssl(false);
-  client_config.set_outstanding_rpcs_per_channel(1);
-  client_config.set_client_channels(1);
-  client_config.set_payload_size(1);
-  client_config.set_rpc_type(UNARY);
-
-  ServerConfig server_config;
-  server_config.set_server_type(SYNCHRONOUS_SERVER);
-  server_config.set_enable_ssl(false);
-  server_config.set_threads(1);
-
-  auto result = RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
-
-  ReportQPS(result);
-  ReportLatency(result);
-}
-
-static void RunSynchronousStreamingPingPong() {
-  gpr_log(GPR_INFO, "Running Synchronous Streaming Ping Pong");
-
-  ClientConfig client_config;
-  client_config.set_client_type(SYNCHRONOUS_CLIENT);
-  client_config.set_enable_ssl(false);
-  client_config.set_outstanding_rpcs_per_channel(1);
-  client_config.set_client_channels(1);
-  client_config.set_payload_size(1);
-  client_config.set_rpc_type(STREAMING);
-
-  ServerConfig server_config;
-  server_config.set_server_type(SYNCHRONOUS_SERVER);
-  server_config.set_enable_ssl(false);
-  server_config.set_threads(1);
-
-  auto result = RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
-
-  ReportQPS(result);
-  ReportLatency(result);
-}
-
-static void RunAsyncUnaryPingPong() {
-  gpr_log(GPR_INFO, "Running Async Unary Ping Pong");
-
-  ClientConfig client_config;
-  client_config.set_client_type(ASYNC_CLIENT);
-  client_config.set_enable_ssl(false);
-  client_config.set_outstanding_rpcs_per_channel(1);
-  client_config.set_client_channels(1);
-  client_config.set_payload_size(1);
-  client_config.set_async_client_threads(1);
-  client_config.set_rpc_type(UNARY);
-
-  ServerConfig server_config;
-  server_config.set_server_type(ASYNC_SERVER);
-  server_config.set_enable_ssl(false);
-  server_config.set_threads(1);
-
-  auto result = RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
-
-  ReportQPS(result);
-  ReportLatency(result);
-}
-
-static void RunQPS() {
-  gpr_log(GPR_INFO, "Running QPS test");
-
-  ClientConfig client_config;
-  client_config.set_client_type(ASYNC_CLIENT);
-  client_config.set_enable_ssl(false);
-  client_config.set_outstanding_rpcs_per_channel(1000);
-  client_config.set_client_channels(8);
-  client_config.set_payload_size(1);
-  client_config.set_async_client_threads(8);
-  client_config.set_rpc_type(UNARY);
-
-  ServerConfig server_config;
-  server_config.set_server_type(ASYNC_SERVER);
-  server_config.set_enable_ssl(false);
-  server_config.set_threads(4);
-
-  auto result = RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
-
-  ReportQPSPerCore(result, server_config);
-  ReportLatency(result);
-}
-
-}  // namespace testing
-}  // namespace grpc
-
-int main(int argc, char** argv) {
-  using namespace grpc::testing;
-  RunSynchronousStreamingPingPong();
-  RunSynchronousUnaryPingPong();
-  RunAsyncUnaryPingPong();
-  RunQPS();
-
-  return 0;
-}
diff --git a/test/cpp/qps/sync_streaming_ping_pong_test.cc b/test/cpp/qps/sync_streaming_ping_pong_test.cc
new file mode 100644
index 0000000..48c7ff6
--- /dev/null
+++ b/test/cpp/qps/sync_streaming_ping_pong_test.cc
@@ -0,0 +1,78 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+
+#include <signal.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/report.h"
+
+namespace grpc {
+namespace testing {
+
+static const int WARMUP = 5;
+static const int BENCHMARK = 10;
+
+static void RunSynchronousStreamingPingPong() {
+  gpr_log(GPR_INFO, "Running Synchronous Streaming Ping Pong");
+
+  ClientConfig client_config;
+  client_config.set_client_type(SYNCHRONOUS_CLIENT);
+  client_config.set_enable_ssl(false);
+  client_config.set_outstanding_rpcs_per_channel(1);
+  client_config.set_client_channels(1);
+  client_config.set_payload_size(1);
+  client_config.set_rpc_type(STREAMING);
+
+  ServerConfig server_config;
+  server_config.set_server_type(SYNCHRONOUS_SERVER);
+  server_config.set_enable_ssl(false);
+  server_config.set_threads(1);
+
+  const auto result =
+      RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
+
+  ReportQPS(result);
+  ReportLatency(result);
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  signal(SIGPIPE, SIG_IGN);
+  grpc::testing::RunSynchronousStreamingPingPong();
+
+  return 0;
+}
diff --git a/test/cpp/qps/sync_unary_ping_pong_test.cc b/test/cpp/qps/sync_unary_ping_pong_test.cc
new file mode 100644
index 0000000..4c4de63
--- /dev/null
+++ b/test/cpp/qps/sync_unary_ping_pong_test.cc
@@ -0,0 +1,78 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+
+#include <signal.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/report.h"
+
+namespace grpc {
+namespace testing {
+
+static const int WARMUP = 5;
+static const int BENCHMARK = 10;
+
+static void RunSynchronousUnaryPingPong() {
+  gpr_log(GPR_INFO, "Running Synchronous Unary Ping Pong");
+
+  ClientConfig client_config;
+  client_config.set_client_type(SYNCHRONOUS_CLIENT);
+  client_config.set_enable_ssl(false);
+  client_config.set_outstanding_rpcs_per_channel(1);
+  client_config.set_client_channels(1);
+  client_config.set_payload_size(1);
+  client_config.set_rpc_type(UNARY);
+
+  ServerConfig server_config;
+  server_config.set_server_type(SYNCHRONOUS_SERVER);
+  server_config.set_enable_ssl(false);
+  server_config.set_threads(1);
+
+  const auto result =
+      RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
+
+  ReportQPS(result);
+  ReportLatency(result);
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  signal(SIGPIPE, SIG_IGN);
+  grpc::testing::RunSynchronousUnaryPingPong();
+
+  return 0;
+}
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 6a1b4a4..8c17c27 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -669,6 +669,15 @@
   {
     "flaky": false, 
     "language": "c++", 
+    "name": "mock_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c++", 
     "name": "status_test", 
     "platforms": [
       "windows",