Added useful behavior for empty batch

7 files changed, 393 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 74e855fe6d..297c2004e9 100644
--- a/Makefile
+++ b/Makefile
@@ -405,6 +405,7 @@ chttp2_fake_security_census_simple_request_test: bins/$(CONFIG)/chttp2_fake_secu
 chttp2_fake_security_disappearing_server_test: bins/$(CONFIG)/chttp2_fake_security_disappearing_server_test
 chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test: bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test
 chttp2_fake_security_early_server_shutdown_finishes_tags_test: bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test
+chttp2_fake_security_empty_batch_test: bins/$(CONFIG)/chttp2_fake_security_empty_batch_test
 chttp2_fake_security_graceful_server_shutdown_test: bins/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test
 chttp2_fake_security_invoke_large_request_test: bins/$(CONFIG)/chttp2_fake_security_invoke_large_request_test
 chttp2_fake_security_max_concurrent_streams_test: bins/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test
@@ -452,6 +453,7 @@ chttp2_fullstack_census_simple_request_test: bins/$(CONFIG)/chttp2_fullstack_cen
 chttp2_fullstack_disappearing_server_test: bins/$(CONFIG)/chttp2_fullstack_disappearing_server_test
 chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test: bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test
 chttp2_fullstack_early_server_shutdown_finishes_tags_test: bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test
+chttp2_fullstack_empty_batch_test: bins/$(CONFIG)/chttp2_fullstack_empty_batch_test
 chttp2_fullstack_graceful_server_shutdown_test: bins/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test
 chttp2_fullstack_invoke_large_request_test: bins/$(CONFIG)/chttp2_fullstack_invoke_large_request_test
 chttp2_fullstack_max_concurrent_streams_test: bins/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test
@@ -499,6 +501,7 @@ chttp2_simple_ssl_fullstack_census_simple_request_test: bins/$(CONFIG)/chttp2_si
 chttp2_simple_ssl_fullstack_disappearing_server_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_disappearing_server_test
 chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test
 chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test
+chttp2_simple_ssl_fullstack_empty_batch_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test
 chttp2_simple_ssl_fullstack_graceful_server_shutdown_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_graceful_server_shutdown_test
 chttp2_simple_ssl_fullstack_invoke_large_request_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_invoke_large_request_test
 chttp2_simple_ssl_fullstack_max_concurrent_streams_test: bins/$(CONFIG)/chttp2_simple_ssl_fullstack_max_concurrent_streams_test
@@ -546,6 +549,7 @@ chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test: bins/$(CONFI
 chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test
 chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test
 chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test
+chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test
 chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test
 chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test
 chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test: bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test
@@ -593,6 +597,7 @@ chttp2_socket_pair_census_simple_request_test: bins/$(CONFIG)/chttp2_socket_pair
 chttp2_socket_pair_disappearing_server_test: bins/$(CONFIG)/chttp2_socket_pair_disappearing_server_test
 chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test: bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test
 chttp2_socket_pair_early_server_shutdown_finishes_tags_test: bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_test
+chttp2_socket_pair_empty_batch_test: bins/$(CONFIG)/chttp2_socket_pair_empty_batch_test
 chttp2_socket_pair_graceful_server_shutdown_test: bins/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_test
 chttp2_socket_pair_invoke_large_request_test: bins/$(CONFIG)/chttp2_socket_pair_invoke_large_request_test
 chttp2_socket_pair_max_concurrent_streams_test: bins/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_test
@@ -640,6 +645,7 @@ chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test: bins/$(CONFIG)
 chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test
 chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test
 chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test
+chttp2_socket_pair_one_byte_at_a_time_empty_batch_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test
 chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test
 chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test
 chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test: bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test
@@ -717,13 +723,13 @@ shared_cxx:  libs/$(CONFIG)/libgrpc++.$(SHARED_EXT)
 
 privatelibs: privatelibs_c privatelibs_cxx
 
-privatelibs_c:  libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a libs/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a libs/$(CONFIG)/libend2end_test_cancel_after_accept.a libs/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a libs/$(CONFIG)/libend2end_test_cancel_after_invoke.a libs/$(CONFIG)/libend2end_test_cancel_before_invoke.a libs/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a libs/$(CONFIG)/libend2end_test_census_simple_request.a libs/$(CONFIG)/libend2end_test_disappearing_server.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a libs/$(CONFIG)/libend2end_test_graceful_server_shutdown.a libs/$(CONFIG)/libend2end_test_invoke_large_request.a libs/$(CONFIG)/libend2end_test_max_concurrent_streams.a libs/$(CONFIG)/libend2end_test_no_op.a libs/$(CONFIG)/libend2end_test_ping_pong_streaming.a libs/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a libs/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a libs/$(CONFIG)/libend2end_test_request_response_with_payload.a libs/$(CONFIG)/libend2end_test_request_with_large_metadata.a libs/$(CONFIG)/libend2end_test_request_with_payload.a libs/$(CONFIG)/libend2end_test_simple_delayed_request.a libs/$(CONFIG)/libend2end_test_simple_request.a libs/$(CONFIG)/libend2end_test_thread_stress.a libs/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read.a libs/$(CONFIG)/libend2end_test_cancel_after_accept_legacy.a libs/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed_legacy.a libs/$(CONFIG)/libend2end_test_cancel_after_invoke_legacy.a libs/$(CONFIG)/libend2end_test_cancel_before_invoke_legacy.a libs/$(CONFIG)/libend2end_test_cancel_in_a_vacuum_legacy.a libs/$(CONFIG)/libend2end_test_census_simple_request_legacy.a libs/$(CONFIG)/libend2end_test_disappearing_server_legacy.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls_legacy.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags_legacy.a libs/$(CONFIG)/libend2end_test_graceful_server_shutdown_legacy.a libs/$(CONFIG)/libend2end_test_invoke_large_request_legacy.a libs/$(CONFIG)/libend2end_test_max_concurrent_streams_legacy.a libs/$(CONFIG)/libend2end_test_no_op_legacy.a libs/$(CONFIG)/libend2end_test_ping_pong_streaming_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_with_large_metadata_legacy.a libs/$(CONFIG)/libend2end_test_request_with_payload_legacy.a libs/$(CONFIG)/libend2end_test_simple_delayed_request_legacy.a libs/$(CONFIG)/libend2end_test_simple_request_legacy.a libs/$(CONFIG)/libend2end_test_thread_stress_legacy.a libs/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read_legacy.a libs/$(CONFIG)/libend2end_certs.a
+privatelibs_c:  libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a libs/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a libs/$(CONFIG)/libend2end_test_cancel_after_accept.a libs/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a libs/$(CONFIG)/libend2end_test_cancel_after_invoke.a libs/$(CONFIG)/libend2end_test_cancel_before_invoke.a libs/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a libs/$(CONFIG)/libend2end_test_census_simple_request.a libs/$(CONFIG)/libend2end_test_disappearing_server.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_test_graceful_server_shutdown.a libs/$(CONFIG)/libend2end_test_invoke_large_request.a libs/$(CONFIG)/libend2end_test_max_concurrent_streams.a libs/$(CONFIG)/libend2end_test_no_op.a libs/$(CONFIG)/libend2end_test_ping_pong_streaming.a libs/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a libs/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a libs/$(CONFIG)/libend2end_test_request_response_with_payload.a libs/$(CONFIG)/libend2end_test_request_with_large_metadata.a libs/$(CONFIG)/libend2end_test_request_with_payload.a libs/$(CONFIG)/libend2end_test_simple_delayed_request.a libs/$(CONFIG)/libend2end_test_simple_request.a libs/$(CONFIG)/libend2end_test_thread_stress.a libs/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read.a libs/$(CONFIG)/libend2end_test_cancel_after_accept_legacy.a libs/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed_legacy.a libs/$(CONFIG)/libend2end_test_cancel_after_invoke_legacy.a libs/$(CONFIG)/libend2end_test_cancel_before_invoke_legacy.a libs/$(CONFIG)/libend2end_test_cancel_in_a_vacuum_legacy.a libs/$(CONFIG)/libend2end_test_census_simple_request_legacy.a libs/$(CONFIG)/libend2end_test_disappearing_server_legacy.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls_legacy.a libs/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags_legacy.a libs/$(CONFIG)/libend2end_test_graceful_server_shutdown_legacy.a libs/$(CONFIG)/libend2end_test_invoke_large_request_legacy.a libs/$(CONFIG)/libend2end_test_max_concurrent_streams_legacy.a libs/$(CONFIG)/libend2end_test_no_op_legacy.a libs/$(CONFIG)/libend2end_test_ping_pong_streaming_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload_legacy.a libs/$(CONFIG)/libend2end_test_request_with_large_metadata_legacy.a libs/$(CONFIG)/libend2end_test_request_with_payload_legacy.a libs/$(CONFIG)/libend2end_test_simple_delayed_request_legacy.a libs/$(CONFIG)/libend2end_test_simple_request_legacy.a libs/$(CONFIG)/libend2end_test_thread_stress_legacy.a libs/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read_legacy.a libs/$(CONFIG)/libend2end_certs.a
 
 privatelibs_cxx:  libs/$(CONFIG)/libgrpc++_test_util.a libs/$(CONFIG)/libtips_client_lib.a
 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: privatelibs_c bins/$(CONFIG)/alarm_heap_test bins/$(CONFIG)/alarm_list_test bins/$(CONFIG)/alarm_test bins/$(CONFIG)/alpn_test bins/$(CONFIG)/bin_encoder_test bins/$(CONFIG)/census_hash_table_test bins/$(CONFIG)/census_statistics_multiple_writers_circular_buffer_test bins/$(CONFIG)/census_statistics_multiple_writers_test bins/$(CONFIG)/census_statistics_performance_test bins/$(CONFIG)/census_statistics_quick_test bins/$(CONFIG)/census_statistics_small_log_test bins/$(CONFIG)/census_stub_test bins/$(CONFIG)/census_window_stats_test bins/$(CONFIG)/chttp2_status_conversion_test bins/$(CONFIG)/chttp2_stream_encoder_test bins/$(CONFIG)/chttp2_stream_map_test bins/$(CONFIG)/chttp2_transport_end2end_test bins/$(CONFIG)/dualstack_socket_test bins/$(CONFIG)/echo_client bins/$(CONFIG)/echo_server bins/$(CONFIG)/echo_test bins/$(CONFIG)/fd_posix_test bins/$(CONFIG)/fling_client bins/$(CONFIG)/fling_server bins/$(CONFIG)/fling_stream_test bins/$(CONFIG)/fling_test bins/$(CONFIG)/gpr_cancellable_test bins/$(CONFIG)/gpr_cmdline_test bins/$(CONFIG)/gpr_env_test bins/$(CONFIG)/gpr_file_test bins/$(CONFIG)/gpr_histogram_test bins/$(CONFIG)/gpr_host_port_test bins/$(CONFIG)/gpr_log_test bins/$(CONFIG)/gpr_slice_buffer_test bins/$(CONFIG)/gpr_slice_test bins/$(CONFIG)/gpr_string_test bins/$(CONFIG)/gpr_sync_test bins/$(CONFIG)/gpr_thd_test bins/$(CONFIG)/gpr_time_test bins/$(CONFIG)/gpr_useful_test bins/$(CONFIG)/grpc_base64_test bins/$(CONFIG)/grpc_byte_buffer_reader_test bins/$(CONFIG)/grpc_channel_stack_test bins/$(CONFIG)/grpc_completion_queue_test bins/$(CONFIG)/grpc_credentials_test bins/$(CONFIG)/grpc_json_token_test bins/$(CONFIG)/grpc_stream_op_test bins/$(CONFIG)/hpack_parser_test bins/$(CONFIG)/hpack_table_test bins/$(CONFIG)/httpcli_format_request_test bins/$(CONFIG)/httpcli_parser_test bins/$(CONFIG)/httpcli_test bins/$(CONFIG)/json_rewrite bins/$(CONFIG)/json_rewrite_test bins/$(CONFIG)/json_test bins/$(CONFIG)/lame_client_test bins/$(CONFIG)/message_compress_test bins/$(CONFIG)/metadata_buffer_test bins/$(CONFIG)/murmur_hash_test bins/$(CONFIG)/no_server_test bins/$(CONFIG)/poll_kick_posix_test bins/$(CONFIG)/resolve_address_test bins/$(CONFIG)/secure_endpoint_test bins/$(CONFIG)/sockaddr_utils_test bins/$(CONFIG)/tcp_client_posix_test bins/$(CONFIG)/tcp_posix_test bins/$(CONFIG)/tcp_server_posix_test bins/$(CONFIG)/time_averaged_stats_test bins/$(CONFIG)/time_test bins/$(CONFIG)/timeout_encoding_test bins/$(CONFIG)/transport_metadata_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test bins/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test bins/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_fake_security_census_simple_request_test bins/$(CONFIG)/chttp2_fake_security_disappearing_server_test bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_fake_security_invoke_large_request_test bins/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test bins/$(CONFIG)/chttp2_fake_security_no_op_test bins/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test bins/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test bins/$(CONFIG)/chttp2_fake_security_request_with_payload_test bins/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test bins/$(CONFIG)/chttp2_fake_security_simple_request_test bins/$(CONFIG)/chttp2_fake_security_thread_stress_test bins/$(CONFIG)/chttp2_fake_security_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_legacy_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_legacy_test bins/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_legacy_test bins/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_legacy_test bins/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_legacy_test bins/$(CONFIG)/chttp2_fake_security_census_simple_request_legacy_test bins/$(CONFIG)/chttp2_fake_security_disappearing_server_legacy_test bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_legacy_test bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_legacy_test bins/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_legacy_test bins/$(CONFIG)/chttp2_fake_security_invoke_large_request_legacy_test bins/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_legacy_test bins/$(CONFIG)/chttp2_fake_security_no_op_legacy_test bins/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_legacy_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_legacy_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_legacy_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_payload_legacy_test bins/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_legacy_test bins/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_legacy_test bins/$(CONFIG)/chttp2_fake_security_request_with_payload_legacy_test bins/$(CONFIG)/chttp2_fake_security_simple_delayed_request_legacy_test bins/$(CONFIG)/chttp2_fake_security_simple_request_legacy_test bins/$(CONFIG)/chttp2_fake_security_thread_stress_legacy_test bins/$(CONFIG)/chttp2_fake_security_writes_done_hangs_with_pending_read_legacy_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test bins/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test bins/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_fullstack_census_simple_request_test bins/$(CONFIG)/chttp2_fullstack_disappearing_server_test bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test bins/$(CONFIG)/chttp2_fullstack_invoke_large_request_test bins/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test bins/$(CONFIG)/chttp2_fullstack_no_op_test bins/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test bins/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test bins/$(CONFIG)/chttp2_fullstack_request_with_payload_test bins/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test bins/$(CONFIG)/chttp2_fullstack_simple_request_test bins/$(CONFIG)/chttp2_fullstack_thread_stress_test bins/$(CONFIG)/chttp2_fullstack_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_accept_legacy_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_legacy_test bins/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_legacy_test bins/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_legacy_test bins/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_legacy_test bins/$(CONFIG)/chttp2_fullstack_census_simple_request_legacy_test bins/$(CONFIG)/chttp2_fullstack_disappearing_server_legacy_test 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bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_legacy_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_legacy_test
 
 buildtests_cxx: privatelibs_cxx bins/$(CONFIG)/channel_arguments_test bins/$(CONFIG)/credentials_test bins/$(CONFIG)/end2end_test bins/$(CONFIG)/interop_client bins/$(CONFIG)/interop_server bins/$(CONFIG)/qps_client bins/$(CONFIG)/qps_server bins/$(CONFIG)/status_test bins/$(CONFIG)/sync_client_async_server_test bins/$(CONFIG)/thread_pool_test bins/$(CONFIG)/tips_client bins/$(CONFIG)/tips_publisher_test bins/$(CONFIG)/tips_subscriber_test
 
@@ -878,6 +884,8 @@ test_c: buildtests_c
 	$(Q) ./bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test || ( echo test chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_early_server_shutdown_finishes_tags_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test || ( echo test chttp2_fake_security_early_server_shutdown_finishes_tags_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fake_security_empty_batch_test"
+	$(Q) ./bins/$(CONFIG)/chttp2_fake_security_empty_batch_test || ( echo test chttp2_fake_security_empty_batch_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_graceful_server_shutdown_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test || ( echo test chttp2_fake_security_graceful_server_shutdown_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_invoke_large_request_test"
@@ -972,6 +980,8 @@ test_c: buildtests_c
 	$(Q) ./bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test || ( echo test chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_early_server_shutdown_finishes_tags_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test || ( echo test chttp2_fullstack_early_server_shutdown_finishes_tags_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_empty_batch_test"
+	$(Q) ./bins/$(CONFIG)/chttp2_fullstack_empty_batch_test || ( echo test chttp2_fullstack_empty_batch_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_graceful_server_shutdown_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test || ( echo test chttp2_fullstack_graceful_server_shutdown_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_invoke_large_request_test"
@@ -1066,6 +1076,8 @@ test_c: buildtests_c
 	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test || ( echo test chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test || ( echo test chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_empty_batch_test"
+	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test || ( echo test chttp2_simple_ssl_fullstack_empty_batch_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_graceful_server_shutdown_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_fullstack_graceful_server_shutdown_test || ( echo test chttp2_simple_ssl_fullstack_graceful_server_shutdown_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_invoke_large_request_test"
@@ -1160,6 +1172,8 @@ test_c: buildtests_c
 	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test"
+	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test"
@@ -1254,6 +1268,8 @@ test_c: buildtests_c
 	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test || ( echo test chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_early_server_shutdown_finishes_tags_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_test || ( echo test chttp2_socket_pair_early_server_shutdown_finishes_tags_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_empty_batch_test"
+	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_empty_batch_test || ( echo test chttp2_socket_pair_empty_batch_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_graceful_server_shutdown_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_test || ( echo test chttp2_socket_pair_graceful_server_shutdown_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_invoke_large_request_test"
@@ -1348,6 +1364,8 @@ test_c: buildtests_c
 	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_empty_batch_test"
+	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_empty_batch_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test"
 	$(Q) ./bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test"
@@ -3385,6 +3403,32 @@ endif
 objs/$(CONFIG)/test/core/end2end/tests/early_server_shutdown_finishes_tags.o: 
 
 
+LIBEND2END_TEST_EMPTY_BATCH_SRC = \
+    test/core/end2end/tests/empty_batch.c \
+
+
+LIBEND2END_TEST_EMPTY_BATCH_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TEST_EMPTY_BATCH_SRC))))
+
+libs/$(CONFIG)/libend2end_test_empty_batch.a: $(ZLIB_DEP) $(LIBEND2END_TEST_EMPTY_BATCH_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f libs/$(CONFIG)/libend2end_test_empty_batch.a
+	$(Q) $(AR) rcs libs/$(CONFIG)/libend2end_test_empty_batch.a $(LIBEND2END_TEST_EMPTY_BATCH_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib libs/$(CONFIG)/libend2end_test_empty_batch.a 
+endif
+
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBEND2END_TEST_EMPTY_BATCH_OBJS:.o=.dep)
+endif
+
+objs/$(CONFIG)/test/core/end2end/tests/empty_batch.o: 
+
+
 LIBEND2END_TEST_GRACEFUL_SERVER_SHUTDOWN_SRC = \
     test/core/end2end/tests/graceful_server_shutdown.c \
 
@@ -7538,6 +7582,35 @@ endif
 endif
 
 
+CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_SRC = \
+
+CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/chttp2_fake_security_empty_batch_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/chttp2_fake_security_empty_batch_test: $(CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/chttp2_fake_security_empty_batch_test
+
+endif
+
+
+deps_chttp2_fake_security_empty_batch_test: $(CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_FAKE_SECURITY_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_FAKE_SECURITY_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC = \
 
 CHTTP2_FAKE_SECURITY_GRACEFUL_SERVER_SHUTDOWN_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FAKE_SECURITY_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC))))
@@ -8901,6 +8974,35 @@ endif
 endif
 
 
+CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_SRC = \
+
+CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/chttp2_fullstack_empty_batch_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/chttp2_fullstack_empty_batch_test: $(CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/chttp2_fullstack_empty_batch_test
+
+endif
+
+
+deps_chttp2_fullstack_empty_batch_test: $(CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_FULLSTACK_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC = \
 
 CHTTP2_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC))))
@@ -10264,6 +10366,35 @@ endif
 endif
 
 
+CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_SRC = \
+
+CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test: $(CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test
+
+endif
+
+
+deps_chttp2_simple_ssl_fullstack_empty_batch_test: $(CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SIMPLE_SSL_FULLSTACK_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SIMPLE_SSL_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC = \
 
 CHTTP2_SIMPLE_SSL_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC))))
@@ -11627,6 +11758,35 @@ endif
 endif
 
 
+CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_SRC = \
+
+CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test: $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test
+
+endif
+
+
+deps_chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test: $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC = \
 
 CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC))))
@@ -12990,6 +13150,35 @@ endif
 endif
 
 
+CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_SRC = \
+
+CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/chttp2_socket_pair_empty_batch_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/chttp2_socket_pair_empty_batch_test: $(CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/chttp2_socket_pair_empty_batch_test
+
+endif
+
+
+deps_chttp2_socket_pair_empty_batch_test: $(CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SOCKET_PAIR_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SOCKET_PAIR_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC = \
 
 CHTTP2_SOCKET_PAIR_GRACEFUL_SERVER_SHUTDOWN_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC))))
@@ -14353,6 +14542,35 @@ endif
 endif
 
 
+CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_SRC = \
+
+CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test: $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_OBJS) libs/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a libs/$(CONFIG)/libend2end_test_empty_batch.a libs/$(CONFIG)/libend2end_certs.a libs/$(CONFIG)/libgrpc_test_util.a libs/$(CONFIG)/libgrpc.a libs/$(CONFIG)/libgpr_test_util.a libs/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test
+
+endif
+
+
+deps_chttp2_socket_pair_one_byte_at_a_time_empty_batch_test: $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_EMPTY_BATCH_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC = \
 
 CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_GRACEFUL_SERVER_SHUTDOWN_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_GRACEFUL_SERVER_SHUTDOWN_TEST_SRC))))
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index c0f5742c10..58a2436937 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -991,6 +991,12 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
   const grpc_op *op;
   grpc_ioreq *req;
 
+  if (nops == 0) {
+    grpc_cq_begin_op(call->cq, call, GRPC_OP_COMPLETE);
+    grpc_cq_end_op_complete(call->cq, tag, call, do_nothing, NULL, GRPC_OP_OK);
+    return GRPC_CALL_OK;
+  }
+
   /* rewrite batch ops into ioreq ops */
   for (in = 0, out = 0; in < nops; in++) {
     op = &ops[in];
diff --git a/test/core/end2end/gen_build_json.py b/test/core/end2end/gen_build_json.py
index 029a72e2c4..fd7012608e 100755
--- a/test/core/end2end/gen_build_json.py
+++ b/test/core/end2end/gen_build_json.py
@@ -25,6 +25,7 @@ END2END_TESTS = [
     'disappearing_server',
     'early_server_shutdown_finishes_inflight_calls',
     'early_server_shutdown_finishes_tags',
+    'empty_batch',
     'graceful_server_shutdown',
     'invoke_large_request',
     'max_concurrent_streams',
@@ -123,4 +124,3 @@ def main():
 
 if __name__ == '__main__':
   main()
-
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
new file mode 100644
index 0000000000..7faeeaa889
--- /dev/null
+++ b/test/core/end2end/tests/empty_batch.c
@@ -0,0 +1,137 @@
+/*
+ *
+ * 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 "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "src/core/support/string.h"
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event *ev;
+  grpc_completion_type type;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time());
+    GPR_ASSERT(ev);
+    type = ev->type;
+    grpc_event_finish(ev);
+  } while (type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown(f->server);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->server_cq);
+  drain_cq(f->server_cq);
+  grpc_completion_queue_destroy(f->server_cq);
+  grpc_completion_queue_shutdown(f->client_cq);
+  drain_cq(f->client_cq);
+  grpc_completion_queue_destroy(f->client_cq);
+}
+
+static void empty_batch_body(grpc_end2end_test_fixture f) {
+  grpc_call *c;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *v_client = cq_verifier_create(f.client_cq);
+  grpc_op *op = NULL;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.com", deadline);
+  GPR_ASSERT(c);
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, op, 0, tag(1)));
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
+  cq_verify(v_client);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(v_client);
+}
+
+static void test_invoke_empty_body(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f;
+
+  f = begin_test(config, __FUNCTION__, NULL, NULL);
+  empty_batch_body(f);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  test_invoke_empty_body(config);
+}
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 197dc3b2ba..1debaa6957 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -335,6 +335,10 @@
   }, 
   {
     "language": "c", 
+    "name": "chttp2_fake_security_empty_batch_test"
+  }, 
+  {
+    "language": "c", 
     "name": "chttp2_fake_security_graceful_server_shutdown_test"
   }, 
   {
@@ -523,6 +527,10 @@
   }, 
   {
     "language": "c", 
+    "name": "chttp2_fullstack_empty_batch_test"
+  }, 
+  {
+    "language": "c", 
     "name": "chttp2_fullstack_graceful_server_shutdown_test"
   }, 
   {
@@ -711,6 +719,10 @@
   }, 
   {
     "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_empty_batch_test"
+  }, 
+  {
+    "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_graceful_server_shutdown_test"
   }, 
   {
@@ -899,6 +911,10 @@
   }, 
   {
     "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test"
+  }, 
+  {
+    "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test"
   }, 
   {
@@ -1087,6 +1103,10 @@
   }, 
   {
     "language": "c", 
+    "name": "chttp2_socket_pair_empty_batch_test"
+  }, 
+  {
+    "language": "c", 
     "name": "chttp2_socket_pair_graceful_server_shutdown_test"
   }, 
   {
@@ -1275,6 +1295,10 @@
   }, 
   {
     "language": "c", 
+    "name": "chttp2_socket_pair_one_byte_at_a_time_empty_batch_test"
+  }, 
+  {
+    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test"
   }, 
   {
diff --git a/vsprojects/vs2013/grpc_shared.vcxproj b/vsprojects/vs2013/grpc_shared.vcxproj
index b1890cf6e7..71b4a0cbab 100644
--- a/vsprojects/vs2013/grpc_shared.vcxproj
+++ b/vsprojects/vs2013/grpc_shared.vcxproj
@@ -277,6 +277,8 @@
     </ClCompile>
     <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_poll_posix.c">
     </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_epoll.c">
+    </ClCompile>
     <ClCompile Include="..\..\src\core\iomgr\pollset_posix.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\iomgr\pollset_windows.c">
diff --git a/vsprojects/vs2013/grpc_shared.vcxproj.filters b/vsprojects/vs2013/grpc_shared.vcxproj.filters
index fed8fb10bf..75ecc7a822 100644
--- a/vsprojects/vs2013/grpc_shared.vcxproj.filters
+++ b/vsprojects/vs2013/grpc_shared.vcxproj.filters
@@ -130,6 +130,9 @@
     <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_poll_posix.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_epoll.c">
+      <Filter>src\core\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\core\iomgr\pollset_posix.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>