diff --git a/Makefile b/Makefile
index 8be41960452e63e1f358c9e521310a7f2ab6dd64..a1c76e155df0d8a3d58a1a3b43b78e5fa33821e1 100644
--- a/Makefile
+++ b/Makefile
@@ -328,6 +328,7 @@ interop_server: bins/$(CONFIG)/interop_server
 interop_client: bins/$(CONFIG)/interop_client
 end2end_test: bins/$(CONFIG)/end2end_test
 channel_arguments_test: bins/$(CONFIG)/channel_arguments_test
+credentials_test: bins/$(CONFIG)/credentials_test
 alarm_test: bins/$(CONFIG)/alarm_test
 alarm_list_test: bins/$(CONFIG)/alarm_list_test
 alarm_heap_test: bins/$(CONFIG)/alarm_heap_test
@@ -493,7 +494,7 @@ buildtests: buildtests_c buildtests_cxx
 
 buildtests_c: bins_dep_c privatelibs_c bins/$(CONFIG)/grpc_byte_buffer_reader_test bins/$(CONFIG)/gpr_cancellable_test bins/$(CONFIG)/gpr_log_test bins/$(CONFIG)/gpr_useful_test bins/$(CONFIG)/gpr_cmdline_test bins/$(CONFIG)/gpr_histogram_test bins/$(CONFIG)/gpr_host_port_test bins/$(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)/murmur_hash_test bins/$(CONFIG)/grpc_stream_op_test bins/$(CONFIG)/alpn_test bins/$(CONFIG)/time_averaged_stats_test bins/$(CONFIG)/chttp2_stream_encoder_test bins/$(CONFIG)/hpack_table_test bins/$(CONFIG)/chttp2_stream_map_test bins/$(CONFIG)/hpack_parser_test bins/$(CONFIG)/transport_metadata_test bins/$(CONFIG)/chttp2_status_conversion_test bins/$(CONFIG)/chttp2_transport_end2end_test bins/$(CONFIG)/tcp_posix_test bins/$(CONFIG)/dualstack_socket_test bins/$(CONFIG)/no_server_test bins/$(CONFIG)/resolve_address_test bins/$(CONFIG)/sockaddr_utils_test bins/$(CONFIG)/tcp_server_posix_test bins/$(CONFIG)/tcp_client_posix_test bins/$(CONFIG)/grpc_channel_stack_test bins/$(CONFIG)/metadata_buffer_test bins/$(CONFIG)/grpc_completion_queue_test bins/$(CONFIG)/census_window_stats_test bins/$(CONFIG)/census_statistics_quick_test bins/$(CONFIG)/census_statistics_small_log_test bins/$(CONFIG)/census_statistics_performance_test bins/$(CONFIG)/census_statistics_multiple_writers_test bins/$(CONFIG)/census_statistics_multiple_writers_circular_buffer_test bins/$(CONFIG)/census_stub_test bins/$(CONFIG)/census_hash_table_test bins/$(CONFIG)/fling_server bins/$(CONFIG)/fling_client bins/$(CONFIG)/fling_test bins/$(CONFIG)/echo_server bins/$(CONFIG)/echo_client bins/$(CONFIG)/echo_test bins/$(CONFIG)/message_compress_test bins/$(CONFIG)/bin_encoder_test bins/$(CONFIG)/secure_endpoint_test bins/$(CONFIG)/httpcli_format_request_test bins/$(CONFIG)/httpcli_parser_test bins/$(CONFIG)/httpcli_test bins/$(CONFIG)/grpc_credentials_test bins/$(CONFIG)/grpc_base64_test bins/$(CONFIG)/grpc_json_token_test bins/$(CONFIG)/timeout_encoding_test bins/$(CONFIG)/fd_posix_test bins/$(CONFIG)/fling_stream_test bins/$(CONFIG)/lame_client_test bins/$(CONFIG)/alarm_test bins/$(CONFIG)/alarm_list_test bins/$(CONFIG)/alarm_heap_test bins/$(CONFIG)/time_test bins/$(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/$(CONFIG)/chttp2_fake_security_invoke_large_request_test bins/$(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_response_with_trailing_metadata_and_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/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test bins/$(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_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/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test bins/$(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_simple_ssl_fullstack_cancel_after_accept_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_before_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_census_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_disappearing_server_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_invoke_large_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_max_concurrent_streams_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_no_op_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_ping_pong_streaming_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_delayed_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_thread_stress_test bins/$(CONFIG)/chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_no_op_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test bins/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_test bins/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_test bins/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_test bins/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_test bins/$(CONFIG)/chttp2_socket_pair_census_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_disappearing_server_test bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_socket_pair_invoke_large_request_test bins/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_test bins/$(CONFIG)/chttp2_socket_pair_no_op_test bins/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_test bins/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_test bins/$(CONFIG)/chttp2_socket_pair_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_thread_stress_test bins/$(CONFIG)/chttp2_socket_pair_writes_done_hangs_with_pending_read_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test bins/$(CONFIG)/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_early_server_shutdown_finishes_inflight_calls_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_test bins/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
 
-buildtests_cxx: bins_dep_cxx privatelibs_cxx bins/thread_pool_test bins/status_test bins/sync_client_async_server_test bins/qps_client bins/qps_server bins/interop_server bins/interop_client bins/end2end_test bins/channel_arguments_test
+buildtests_cxx: bins_dep_cxx privatelibs_cxx bins/thread_pool_test bins/status_test bins/sync_client_async_server_test bins/qps_client bins/qps_server bins/interop_server bins/interop_client bins/end2end_test bins/channel_arguments_test bins/credentials_test
 
 test: test_c test_cxx
 
@@ -889,6 +890,8 @@ test_cxx: buildtests_cxx
 	$(Q) ./bins/$(CONFIG)/end2end_test || ( echo test end2end_test failed ; exit 1 )
 	$(E) "[RUN]     Testing channel_arguments_test"
 	$(Q) ./bins/$(CONFIG)/channel_arguments_test || ( echo test channel_arguments_test failed ; exit 1 )
+	$(E) "[RUN]     Testing credentials_test"
+	$(Q) ./bins/$(CONFIG)/credentials_test || ( echo test credentials_test failed ; exit 1 )
 
 
 tools: privatelibs bins/$(CONFIG)/gen_hpack_tables bins/$(CONFIG)/grpc_fetch_oauth2
@@ -1022,7 +1025,7 @@ bins_dep_c: deps_gen_hpack_tables deps_grpc_byte_buffer_reader_test deps_gpr_can
 
 dep_cxx: deps_libgrpc++ deps_libgrpc++_test_util
 
-bins_dep_cxx: deps_cpp_plugin deps_ruby_plugin deps_thread_pool_test deps_status_test deps_sync_client_async_server_test deps_qps_client deps_qps_server deps_interop_server deps_interop_client deps_end2end_test deps_channel_arguments_test
+bins_dep_cxx: deps_cpp_plugin deps_ruby_plugin deps_thread_pool_test deps_status_test deps_sync_client_async_server_test deps_qps_client deps_qps_server deps_interop_server deps_interop_client deps_end2end_test deps_channel_arguments_test deps_credentials_test
 
 install: install_c install_cxx
 
@@ -1112,7 +1115,7 @@ ifneq ($(SYSTEM),Darwin)
 endif
 endif
 
-clean: clean_libgpr clean_libgrpc clean_libgrpc_unsecure clean_libgrpc_test_util clean_libgrpc++ clean_libgrpc++_test_util clean_libend2end_fixture_chttp2_fake_security clean_libend2end_fixture_chttp2_fullstack clean_libend2end_fixture_chttp2_simple_ssl_fullstack clean_libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack clean_libend2end_fixture_chttp2_socket_pair clean_libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time clean_libend2end_test_cancel_after_accept clean_libend2end_test_cancel_after_accept_and_writes_closed clean_libend2end_test_cancel_after_invoke clean_libend2end_test_cancel_before_invoke clean_libend2end_test_cancel_in_a_vacuum clean_libend2end_test_census_simple_request clean_libend2end_test_disappearing_server clean_libend2end_test_early_server_shutdown_finishes_inflight_calls clean_libend2end_test_early_server_shutdown_finishes_tags clean_libend2end_test_invoke_large_request clean_libend2end_test_max_concurrent_streams clean_libend2end_test_no_op clean_libend2end_test_ping_pong_streaming clean_libend2end_test_request_response_with_binary_metadata_and_payload clean_libend2end_test_request_response_with_metadata_and_payload clean_libend2end_test_request_response_with_payload clean_libend2end_test_request_response_with_trailing_metadata_and_payload clean_libend2end_test_simple_delayed_request clean_libend2end_test_simple_request clean_libend2end_test_thread_stress clean_libend2end_test_writes_done_hangs_with_pending_read clean_libend2end_certs clean_gen_hpack_tables clean_cpp_plugin clean_ruby_plugin clean_grpc_byte_buffer_reader_test clean_gpr_cancellable_test clean_gpr_log_test clean_gpr_useful_test clean_gpr_cmdline_test clean_gpr_histogram_test clean_gpr_host_port_test clean_gpr_slice_buffer_test clean_gpr_slice_test clean_gpr_string_test clean_gpr_sync_test clean_gpr_thd_test clean_gpr_time_test clean_murmur_hash_test clean_grpc_stream_op_test clean_alpn_test clean_time_averaged_stats_test clean_chttp2_stream_encoder_test clean_hpack_table_test clean_chttp2_stream_map_test clean_hpack_parser_test clean_transport_metadata_test clean_chttp2_status_conversion_test clean_chttp2_transport_end2end_test clean_tcp_posix_test clean_dualstack_socket_test clean_no_server_test clean_resolve_address_test clean_sockaddr_utils_test clean_tcp_server_posix_test clean_tcp_client_posix_test clean_grpc_channel_stack_test clean_metadata_buffer_test clean_grpc_completion_queue_test clean_grpc_completion_queue_benchmark clean_census_trace_store_test clean_census_stats_store_test clean_census_window_stats_test clean_census_statistics_quick_test clean_census_statistics_small_log_test clean_census_statistics_performance_test clean_census_statistics_multiple_writers_test clean_census_statistics_multiple_writers_circular_buffer_test clean_census_stub_test clean_census_hash_table_test clean_fling_server clean_fling_client clean_fling_test clean_echo_server clean_echo_client clean_echo_test clean_low_level_ping_pong_benchmark clean_message_compress_test clean_bin_encoder_test clean_secure_endpoint_test clean_httpcli_format_request_test clean_httpcli_parser_test clean_httpcli_test clean_grpc_credentials_test clean_grpc_fetch_oauth2 clean_grpc_base64_test clean_grpc_json_token_test clean_timeout_encoding_test clean_fd_posix_test clean_fling_stream_test clean_lame_client_test clean_thread_pool_test clean_status_test clean_sync_client_async_server_test clean_qps_client clean_qps_server clean_interop_server clean_interop_client clean_end2end_test clean_channel_arguments_test clean_alarm_test clean_alarm_list_test clean_alarm_heap_test clean_time_test clean_chttp2_fake_security_cancel_after_accept_test clean_chttp2_fake_security_cancel_after_accept_and_writes_closed_test clean_chttp2_fake_security_cancel_after_invoke_test clean_chttp2_fake_security_cancel_before_invoke_test clean_chttp2_fake_security_cancel_in_a_vacuum_test clean_chttp2_fake_security_census_simple_request_test clean_chttp2_fake_security_disappearing_server_test clean_chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fake_security_early_server_shutdown_finishes_tags_test clean_chttp2_fake_security_invoke_large_request_test clean_chttp2_fake_security_max_concurrent_streams_test clean_chttp2_fake_security_no_op_test clean_chttp2_fake_security_ping_pong_streaming_test clean_chttp2_fake_security_request_response_with_binary_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_payload_test clean_chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fake_security_simple_delayed_request_test clean_chttp2_fake_security_simple_request_test clean_chttp2_fake_security_thread_stress_test clean_chttp2_fake_security_writes_done_hangs_with_pending_read_test clean_chttp2_fullstack_cancel_after_accept_test clean_chttp2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_fullstack_cancel_after_invoke_test clean_chttp2_fullstack_cancel_before_invoke_test clean_chttp2_fullstack_cancel_in_a_vacuum_test clean_chttp2_fullstack_census_simple_request_test clean_chttp2_fullstack_disappearing_server_test clean_chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_fullstack_invoke_large_request_test clean_chttp2_fullstack_max_concurrent_streams_test clean_chttp2_fullstack_no_op_test clean_chttp2_fullstack_ping_pong_streaming_test clean_chttp2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_payload_test clean_chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fullstack_simple_delayed_request_test clean_chttp2_fullstack_simple_request_test clean_chttp2_fullstack_thread_stress_test clean_chttp2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_fullstack_census_simple_request_test clean_chttp2_simple_ssl_fullstack_disappearing_server_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_fullstack_no_op_test clean_chttp2_simple_ssl_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_fullstack_simple_request_test clean_chttp2_simple_ssl_fullstack_thread_stress_test clean_chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_with_oauth2_fullstack_no_op_test clean_chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test clean_chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_cancel_after_accept_test clean_chttp2_socket_pair_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_cancel_after_invoke_test clean_chttp2_socket_pair_cancel_before_invoke_test clean_chttp2_socket_pair_cancel_in_a_vacuum_test clean_chttp2_socket_pair_census_simple_request_test clean_chttp2_socket_pair_disappearing_server_test clean_chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_invoke_large_request_test clean_chttp2_socket_pair_max_concurrent_streams_test clean_chttp2_socket_pair_no_op_test clean_chttp2_socket_pair_ping_pong_streaming_test clean_chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_payload_test clean_chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_simple_delayed_request_test clean_chttp2_socket_pair_simple_request_test clean_chttp2_socket_pair_thread_stress_test clean_chttp2_socket_pair_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test clean_chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test clean_chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test clean_chttp2_socket_pair_one_byte_at_a_time_no_op_test clean_chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_thread_stress_test clean_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
+clean: clean_libgpr clean_libgrpc clean_libgrpc_unsecure clean_libgrpc_test_util clean_libgrpc++ clean_libgrpc++_test_util clean_libend2end_fixture_chttp2_fake_security clean_libend2end_fixture_chttp2_fullstack clean_libend2end_fixture_chttp2_simple_ssl_fullstack clean_libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack clean_libend2end_fixture_chttp2_socket_pair clean_libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time clean_libend2end_test_cancel_after_accept clean_libend2end_test_cancel_after_accept_and_writes_closed clean_libend2end_test_cancel_after_invoke clean_libend2end_test_cancel_before_invoke clean_libend2end_test_cancel_in_a_vacuum clean_libend2end_test_census_simple_request clean_libend2end_test_disappearing_server clean_libend2end_test_early_server_shutdown_finishes_inflight_calls clean_libend2end_test_early_server_shutdown_finishes_tags clean_libend2end_test_invoke_large_request clean_libend2end_test_max_concurrent_streams clean_libend2end_test_no_op clean_libend2end_test_ping_pong_streaming clean_libend2end_test_request_response_with_binary_metadata_and_payload clean_libend2end_test_request_response_with_metadata_and_payload clean_libend2end_test_request_response_with_payload clean_libend2end_test_request_response_with_trailing_metadata_and_payload clean_libend2end_test_simple_delayed_request clean_libend2end_test_simple_request clean_libend2end_test_thread_stress clean_libend2end_test_writes_done_hangs_with_pending_read clean_libend2end_certs clean_gen_hpack_tables clean_cpp_plugin clean_ruby_plugin clean_grpc_byte_buffer_reader_test clean_gpr_cancellable_test clean_gpr_log_test clean_gpr_useful_test clean_gpr_cmdline_test clean_gpr_histogram_test clean_gpr_host_port_test clean_gpr_slice_buffer_test clean_gpr_slice_test clean_gpr_string_test clean_gpr_sync_test clean_gpr_thd_test clean_gpr_time_test clean_murmur_hash_test clean_grpc_stream_op_test clean_alpn_test clean_time_averaged_stats_test clean_chttp2_stream_encoder_test clean_hpack_table_test clean_chttp2_stream_map_test clean_hpack_parser_test clean_transport_metadata_test clean_chttp2_status_conversion_test clean_chttp2_transport_end2end_test clean_tcp_posix_test clean_dualstack_socket_test clean_no_server_test clean_resolve_address_test clean_sockaddr_utils_test clean_tcp_server_posix_test clean_tcp_client_posix_test clean_grpc_channel_stack_test clean_metadata_buffer_test clean_grpc_completion_queue_test clean_grpc_completion_queue_benchmark clean_census_trace_store_test clean_census_stats_store_test clean_census_window_stats_test clean_census_statistics_quick_test clean_census_statistics_small_log_test clean_census_statistics_performance_test clean_census_statistics_multiple_writers_test clean_census_statistics_multiple_writers_circular_buffer_test clean_census_stub_test clean_census_hash_table_test clean_fling_server clean_fling_client clean_fling_test clean_echo_server clean_echo_client clean_echo_test clean_low_level_ping_pong_benchmark clean_message_compress_test clean_bin_encoder_test clean_secure_endpoint_test clean_httpcli_format_request_test clean_httpcli_parser_test clean_httpcli_test clean_grpc_credentials_test clean_grpc_fetch_oauth2 clean_grpc_base64_test clean_grpc_json_token_test clean_timeout_encoding_test clean_fd_posix_test clean_fling_stream_test clean_lame_client_test clean_thread_pool_test clean_status_test clean_sync_client_async_server_test clean_qps_client clean_qps_server clean_interop_server clean_interop_client clean_end2end_test clean_channel_arguments_test clean_credentials_test clean_alarm_test clean_alarm_list_test clean_alarm_heap_test clean_time_test clean_chttp2_fake_security_cancel_after_accept_test clean_chttp2_fake_security_cancel_after_accept_and_writes_closed_test clean_chttp2_fake_security_cancel_after_invoke_test clean_chttp2_fake_security_cancel_before_invoke_test clean_chttp2_fake_security_cancel_in_a_vacuum_test clean_chttp2_fake_security_census_simple_request_test clean_chttp2_fake_security_disappearing_server_test clean_chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fake_security_early_server_shutdown_finishes_tags_test clean_chttp2_fake_security_invoke_large_request_test clean_chttp2_fake_security_max_concurrent_streams_test clean_chttp2_fake_security_no_op_test clean_chttp2_fake_security_ping_pong_streaming_test clean_chttp2_fake_security_request_response_with_binary_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_payload_test clean_chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fake_security_simple_delayed_request_test clean_chttp2_fake_security_simple_request_test clean_chttp2_fake_security_thread_stress_test clean_chttp2_fake_security_writes_done_hangs_with_pending_read_test clean_chttp2_fullstack_cancel_after_accept_test clean_chttp2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_fullstack_cancel_after_invoke_test clean_chttp2_fullstack_cancel_before_invoke_test clean_chttp2_fullstack_cancel_in_a_vacuum_test clean_chttp2_fullstack_census_simple_request_test clean_chttp2_fullstack_disappearing_server_test clean_chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_fullstack_invoke_large_request_test clean_chttp2_fullstack_max_concurrent_streams_test clean_chttp2_fullstack_no_op_test clean_chttp2_fullstack_ping_pong_streaming_test clean_chttp2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_payload_test clean_chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fullstack_simple_delayed_request_test clean_chttp2_fullstack_simple_request_test clean_chttp2_fullstack_thread_stress_test clean_chttp2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_fullstack_census_simple_request_test clean_chttp2_simple_ssl_fullstack_disappearing_server_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_fullstack_no_op_test clean_chttp2_simple_ssl_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_fullstack_simple_request_test clean_chttp2_simple_ssl_fullstack_thread_stress_test clean_chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_with_oauth2_fullstack_no_op_test clean_chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test clean_chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_cancel_after_accept_test clean_chttp2_socket_pair_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_cancel_after_invoke_test clean_chttp2_socket_pair_cancel_before_invoke_test clean_chttp2_socket_pair_cancel_in_a_vacuum_test clean_chttp2_socket_pair_census_simple_request_test clean_chttp2_socket_pair_disappearing_server_test clean_chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_invoke_large_request_test clean_chttp2_socket_pair_max_concurrent_streams_test clean_chttp2_socket_pair_no_op_test clean_chttp2_socket_pair_ping_pong_streaming_test clean_chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_payload_test clean_chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_simple_delayed_request_test clean_chttp2_socket_pair_simple_request_test clean_chttp2_socket_pair_thread_stress_test clean_chttp2_socket_pair_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test clean_chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test clean_chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test clean_chttp2_socket_pair_one_byte_at_a_time_no_op_test clean_chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_thread_stress_test clean_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
 	$(Q) $(RM) -r deps objs libs bins gens
 
 
@@ -5275,6 +5278,40 @@ clean_channel_arguments_test:
 	$(Q) $(RM) bins/$(CONFIG)/channel_arguments_test
 
 
+CREDENTIALS_TEST_SRC = \
+    test/cpp/client/credentials_test.cc \
+
+CREDENTIALS_TEST_OBJS = $(addprefix objs/$(CONFIG)/, $(addsuffix .o, $(basename $(CREDENTIALS_TEST_SRC))))
+CREDENTIALS_TEST_DEPS = $(addprefix deps/$(CONFIG)/, $(addsuffix .dep, $(basename $(CREDENTIALS_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+bins/$(CONFIG)/credentials_test: openssl_dep_error
+
+else
+
+bins/$(CONFIG)/credentials_test: $(CREDENTIALS_TEST_OBJS) libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(CREDENTIALS_TEST_OBJS) $(GTEST_LIB) libs/$(CONFIG)/libgrpc++.a libs/$(CONFIG)/libgrpc.a $(LDLIBSXX) $(LDLIBS) $(LDLIBS_SECURE) -o bins/$(CONFIG)/credentials_test
+
+endif
+
+deps_credentials_test: $(CREDENTIALS_TEST_DEPS)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CREDENTIALS_TEST_DEPS)
+endif
+endif
+
+clean_credentials_test:
+	$(E) "[CLEAN]   Cleaning credentials_test files"
+	$(Q) $(RM) $(CREDENTIALS_TEST_OBJS)
+	$(Q) $(RM) $(CREDENTIALS_TEST_DEPS)
+	$(Q) $(RM) bins/$(CONFIG)/credentials_test
+
+
 ALARM_TEST_SRC = \
     test/core/iomgr/alarm_test.c \
 
@@ -9573,4 +9610,4 @@ clean_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_
 
 
 
-.PHONY: all strip tools dep_error openssl_dep_error openssl_dep_message git_update stop buildtests buildtests_c buildtests_cxx test test_c test_cxx install install_c install_cxx install-headers install-headers_c install-headers_cxx install-shared install-shared_c install-shared_cxx install-static install-static_c install-static_cxx strip strip-shared strip-static strip_c strip-shared_c strip-static_c strip_cxx strip-shared_cxx strip-static_cxx clean dep_c dep_cxx bins_dep_c bins_dep_cxx deps_libgpr clean_libgpr deps_libgrpc clean_libgrpc deps_libgrpc_unsecure clean_libgrpc_unsecure deps_libgrpc_test_util clean_libgrpc_test_util deps_libgrpc++ clean_libgrpc++ deps_libgrpc++_test_util clean_libgrpc++_test_util deps_libend2end_fixture_chttp2_fake_security clean_libend2end_fixture_chttp2_fake_security deps_libend2end_fixture_chttp2_fullstack clean_libend2end_fixture_chttp2_fullstack deps_libend2end_fixture_chttp2_simple_ssl_fullstack clean_libend2end_fixture_chttp2_simple_ssl_fullstack deps_libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack clean_libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack deps_libend2end_fixture_chttp2_socket_pair clean_libend2end_fixture_chttp2_socket_pair deps_libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time clean_libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time deps_libend2end_test_cancel_after_accept clean_libend2end_test_cancel_after_accept deps_libend2end_test_cancel_after_accept_and_writes_closed clean_libend2end_test_cancel_after_accept_and_writes_closed deps_libend2end_test_cancel_after_invoke clean_libend2end_test_cancel_after_invoke deps_libend2end_test_cancel_before_invoke clean_libend2end_test_cancel_before_invoke deps_libend2end_test_cancel_in_a_vacuum clean_libend2end_test_cancel_in_a_vacuum deps_libend2end_test_census_simple_request clean_libend2end_test_census_simple_request deps_libend2end_test_disappearing_server clean_libend2end_test_disappearing_server deps_libend2end_test_early_server_shutdown_finishes_inflight_calls clean_libend2end_test_early_server_shutdown_finishes_inflight_calls deps_libend2end_test_early_server_shutdown_finishes_tags clean_libend2end_test_early_server_shutdown_finishes_tags deps_libend2end_test_invoke_large_request clean_libend2end_test_invoke_large_request deps_libend2end_test_max_concurrent_streams clean_libend2end_test_max_concurrent_streams deps_libend2end_test_no_op clean_libend2end_test_no_op deps_libend2end_test_ping_pong_streaming clean_libend2end_test_ping_pong_streaming deps_libend2end_test_request_response_with_binary_metadata_and_payload clean_libend2end_test_request_response_with_binary_metadata_and_payload deps_libend2end_test_request_response_with_metadata_and_payload clean_libend2end_test_request_response_with_metadata_and_payload deps_libend2end_test_request_response_with_payload clean_libend2end_test_request_response_with_payload deps_libend2end_test_request_response_with_trailing_metadata_and_payload clean_libend2end_test_request_response_with_trailing_metadata_and_payload deps_libend2end_test_simple_delayed_request clean_libend2end_test_simple_delayed_request deps_libend2end_test_simple_request clean_libend2end_test_simple_request deps_libend2end_test_thread_stress clean_libend2end_test_thread_stress deps_libend2end_test_writes_done_hangs_with_pending_read clean_libend2end_test_writes_done_hangs_with_pending_read deps_libend2end_certs clean_libend2end_certs deps_gen_hpack_tables clean_gen_hpack_tables deps_cpp_plugin clean_cpp_plugin deps_ruby_plugin clean_ruby_plugin deps_grpc_byte_buffer_reader_test clean_grpc_byte_buffer_reader_test deps_gpr_cancellable_test clean_gpr_cancellable_test deps_gpr_log_test clean_gpr_log_test deps_gpr_useful_test clean_gpr_useful_test deps_gpr_cmdline_test clean_gpr_cmdline_test deps_gpr_histogram_test clean_gpr_histogram_test deps_gpr_host_port_test clean_gpr_host_port_test deps_gpr_slice_buffer_test clean_gpr_slice_buffer_test deps_gpr_slice_test clean_gpr_slice_test deps_gpr_string_test clean_gpr_string_test deps_gpr_sync_test clean_gpr_sync_test deps_gpr_thd_test clean_gpr_thd_test deps_gpr_time_test clean_gpr_time_test deps_murmur_hash_test clean_murmur_hash_test deps_grpc_stream_op_test clean_grpc_stream_op_test deps_alpn_test clean_alpn_test deps_time_averaged_stats_test clean_time_averaged_stats_test deps_chttp2_stream_encoder_test clean_chttp2_stream_encoder_test deps_hpack_table_test clean_hpack_table_test deps_chttp2_stream_map_test clean_chttp2_stream_map_test deps_hpack_parser_test clean_hpack_parser_test deps_transport_metadata_test clean_transport_metadata_test deps_chttp2_status_conversion_test clean_chttp2_status_conversion_test deps_chttp2_transport_end2end_test clean_chttp2_transport_end2end_test deps_tcp_posix_test clean_tcp_posix_test deps_dualstack_socket_test clean_dualstack_socket_test deps_no_server_test clean_no_server_test deps_resolve_address_test clean_resolve_address_test deps_sockaddr_utils_test clean_sockaddr_utils_test deps_tcp_server_posix_test clean_tcp_server_posix_test deps_tcp_client_posix_test clean_tcp_client_posix_test deps_grpc_channel_stack_test clean_grpc_channel_stack_test deps_metadata_buffer_test clean_metadata_buffer_test deps_grpc_completion_queue_test clean_grpc_completion_queue_test deps_grpc_completion_queue_benchmark clean_grpc_completion_queue_benchmark deps_census_trace_store_test clean_census_trace_store_test deps_census_stats_store_test clean_census_stats_store_test deps_census_window_stats_test clean_census_window_stats_test deps_census_statistics_quick_test clean_census_statistics_quick_test deps_census_statistics_small_log_test clean_census_statistics_small_log_test deps_census_statistics_performance_test clean_census_statistics_performance_test deps_census_statistics_multiple_writers_test clean_census_statistics_multiple_writers_test deps_census_statistics_multiple_writers_circular_buffer_test clean_census_statistics_multiple_writers_circular_buffer_test deps_census_stub_test clean_census_stub_test deps_census_hash_table_test clean_census_hash_table_test deps_fling_server clean_fling_server deps_fling_client clean_fling_client deps_fling_test clean_fling_test deps_echo_server clean_echo_server deps_echo_client clean_echo_client deps_echo_test clean_echo_test deps_low_level_ping_pong_benchmark clean_low_level_ping_pong_benchmark deps_message_compress_test clean_message_compress_test deps_bin_encoder_test clean_bin_encoder_test deps_secure_endpoint_test clean_secure_endpoint_test deps_httpcli_format_request_test clean_httpcli_format_request_test deps_httpcli_parser_test clean_httpcli_parser_test deps_httpcli_test clean_httpcli_test deps_grpc_credentials_test clean_grpc_credentials_test deps_grpc_fetch_oauth2 clean_grpc_fetch_oauth2 deps_grpc_base64_test clean_grpc_base64_test deps_grpc_json_token_test clean_grpc_json_token_test deps_timeout_encoding_test clean_timeout_encoding_test deps_fd_posix_test clean_fd_posix_test deps_fling_stream_test clean_fling_stream_test deps_lame_client_test clean_lame_client_test deps_thread_pool_test clean_thread_pool_test deps_status_test clean_status_test deps_sync_client_async_server_test clean_sync_client_async_server_test deps_qps_client clean_qps_client deps_qps_server clean_qps_server deps_interop_server clean_interop_server deps_interop_client clean_interop_client deps_end2end_test clean_end2end_test deps_channel_arguments_test clean_channel_arguments_test deps_alarm_test clean_alarm_test deps_alarm_list_test clean_alarm_list_test deps_alarm_heap_test clean_alarm_heap_test deps_time_test clean_time_test deps_chttp2_fake_security_cancel_after_accept_test clean_chttp2_fake_security_cancel_after_accept_test deps_chttp2_fake_security_cancel_after_accept_and_writes_closed_test clean_chttp2_fake_security_cancel_after_accept_and_writes_closed_test deps_chttp2_fake_security_cancel_after_invoke_test clean_chttp2_fake_security_cancel_after_invoke_test deps_chttp2_fake_security_cancel_before_invoke_test clean_chttp2_fake_security_cancel_before_invoke_test deps_chttp2_fake_security_cancel_in_a_vacuum_test clean_chttp2_fake_security_cancel_in_a_vacuum_test deps_chttp2_fake_security_census_simple_request_test clean_chttp2_fake_security_census_simple_request_test deps_chttp2_fake_security_disappearing_server_test clean_chttp2_fake_security_disappearing_server_test deps_chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_fake_security_early_server_shutdown_finishes_tags_test clean_chttp2_fake_security_early_server_shutdown_finishes_tags_test deps_chttp2_fake_security_invoke_large_request_test clean_chttp2_fake_security_invoke_large_request_test deps_chttp2_fake_security_max_concurrent_streams_test clean_chttp2_fake_security_max_concurrent_streams_test deps_chttp2_fake_security_no_op_test clean_chttp2_fake_security_no_op_test deps_chttp2_fake_security_ping_pong_streaming_test clean_chttp2_fake_security_ping_pong_streaming_test deps_chttp2_fake_security_request_response_with_binary_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_binary_metadata_and_payload_test deps_chttp2_fake_security_request_response_with_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_metadata_and_payload_test deps_chttp2_fake_security_request_response_with_payload_test clean_chttp2_fake_security_request_response_with_payload_test deps_chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test deps_chttp2_fake_security_simple_delayed_request_test clean_chttp2_fake_security_simple_delayed_request_test deps_chttp2_fake_security_simple_request_test clean_chttp2_fake_security_simple_request_test deps_chttp2_fake_security_thread_stress_test clean_chttp2_fake_security_thread_stress_test deps_chttp2_fake_security_writes_done_hangs_with_pending_read_test clean_chttp2_fake_security_writes_done_hangs_with_pending_read_test deps_chttp2_fullstack_cancel_after_accept_test clean_chttp2_fullstack_cancel_after_accept_test deps_chttp2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_fullstack_cancel_after_accept_and_writes_closed_test deps_chttp2_fullstack_cancel_after_invoke_test clean_chttp2_fullstack_cancel_after_invoke_test deps_chttp2_fullstack_cancel_before_invoke_test clean_chttp2_fullstack_cancel_before_invoke_test deps_chttp2_fullstack_cancel_in_a_vacuum_test clean_chttp2_fullstack_cancel_in_a_vacuum_test deps_chttp2_fullstack_census_simple_request_test clean_chttp2_fullstack_census_simple_request_test deps_chttp2_fullstack_disappearing_server_test clean_chttp2_fullstack_disappearing_server_test deps_chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_fullstack_early_server_shutdown_finishes_tags_test deps_chttp2_fullstack_invoke_large_request_test clean_chttp2_fullstack_invoke_large_request_test deps_chttp2_fullstack_max_concurrent_streams_test clean_chttp2_fullstack_max_concurrent_streams_test deps_chttp2_fullstack_no_op_test clean_chttp2_fullstack_no_op_test deps_chttp2_fullstack_ping_pong_streaming_test clean_chttp2_fullstack_ping_pong_streaming_test deps_chttp2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_binary_metadata_and_payload_test deps_chttp2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_metadata_and_payload_test deps_chttp2_fullstack_request_response_with_payload_test clean_chttp2_fullstack_request_response_with_payload_test deps_chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test deps_chttp2_fullstack_simple_delayed_request_test clean_chttp2_fullstack_simple_delayed_request_test deps_chttp2_fullstack_simple_request_test clean_chttp2_fullstack_simple_request_test deps_chttp2_fullstack_thread_stress_test clean_chttp2_fullstack_thread_stress_test deps_chttp2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_fullstack_writes_done_hangs_with_pending_read_test deps_chttp2_simple_ssl_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_test deps_chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test deps_chttp2_simple_ssl_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_after_invoke_test deps_chttp2_simple_ssl_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_before_invoke_test deps_chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test deps_chttp2_simple_ssl_fullstack_census_simple_request_test clean_chttp2_simple_ssl_fullstack_census_simple_request_test deps_chttp2_simple_ssl_fullstack_disappearing_server_test clean_chttp2_simple_ssl_fullstack_disappearing_server_test deps_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test deps_chttp2_simple_ssl_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_fullstack_invoke_large_request_test deps_chttp2_simple_ssl_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_fullstack_max_concurrent_streams_test deps_chttp2_simple_ssl_fullstack_no_op_test clean_chttp2_simple_ssl_fullstack_no_op_test deps_chttp2_simple_ssl_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_fullstack_ping_pong_streaming_test deps_chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test deps_chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test deps_chttp2_simple_ssl_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_payload_test deps_chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test deps_chttp2_simple_ssl_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_fullstack_simple_delayed_request_test deps_chttp2_simple_ssl_fullstack_simple_request_test clean_chttp2_simple_ssl_fullstack_simple_request_test deps_chttp2_simple_ssl_fullstack_thread_stress_test clean_chttp2_simple_ssl_fullstack_thread_stress_test deps_chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test deps_chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test clean_chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test deps_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test deps_chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test deps_chttp2_simple_ssl_with_oauth2_fullstack_no_op_test clean_chttp2_simple_ssl_with_oauth2_fullstack_no_op_test deps_chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test clean_chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test deps_chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test deps_chttp2_socket_pair_cancel_after_accept_test clean_chttp2_socket_pair_cancel_after_accept_test deps_chttp2_socket_pair_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_cancel_after_accept_and_writes_closed_test deps_chttp2_socket_pair_cancel_after_invoke_test clean_chttp2_socket_pair_cancel_after_invoke_test deps_chttp2_socket_pair_cancel_before_invoke_test clean_chttp2_socket_pair_cancel_before_invoke_test deps_chttp2_socket_pair_cancel_in_a_vacuum_test clean_chttp2_socket_pair_cancel_in_a_vacuum_test deps_chttp2_socket_pair_census_simple_request_test clean_chttp2_socket_pair_census_simple_request_test deps_chttp2_socket_pair_disappearing_server_test clean_chttp2_socket_pair_disappearing_server_test deps_chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_socket_pair_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_early_server_shutdown_finishes_tags_test deps_chttp2_socket_pair_invoke_large_request_test clean_chttp2_socket_pair_invoke_large_request_test deps_chttp2_socket_pair_max_concurrent_streams_test clean_chttp2_socket_pair_max_concurrent_streams_test deps_chttp2_socket_pair_no_op_test clean_chttp2_socket_pair_no_op_test deps_chttp2_socket_pair_ping_pong_streaming_test clean_chttp2_socket_pair_ping_pong_streaming_test deps_chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test deps_chttp2_socket_pair_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_metadata_and_payload_test deps_chttp2_socket_pair_request_response_with_payload_test clean_chttp2_socket_pair_request_response_with_payload_test deps_chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test deps_chttp2_socket_pair_simple_delayed_request_test clean_chttp2_socket_pair_simple_delayed_request_test deps_chttp2_socket_pair_simple_request_test clean_chttp2_socket_pair_simple_request_test deps_chttp2_socket_pair_thread_stress_test clean_chttp2_socket_pair_thread_stress_test deps_chttp2_socket_pair_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_writes_done_hangs_with_pending_read_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test deps_chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test deps_chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test clean_chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test deps_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test deps_chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test clean_chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test deps_chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test clean_chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test deps_chttp2_socket_pair_one_byte_at_a_time_no_op_test clean_chttp2_socket_pair_one_byte_at_a_time_no_op_test deps_chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test clean_chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test deps_chttp2_socket_pair_one_byte_at_a_time_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_request_test deps_chttp2_socket_pair_one_byte_at_a_time_thread_stress_test clean_chttp2_socket_pair_one_byte_at_a_time_thread_stress_test deps_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
+.PHONY: all strip tools dep_error openssl_dep_error openssl_dep_message git_update stop buildtests buildtests_c buildtests_cxx test test_c test_cxx install install_c install_cxx install-headers install-headers_c install-headers_cxx install-shared install-shared_c install-shared_cxx install-static install-static_c install-static_cxx strip strip-shared strip-static strip_c strip-shared_c strip-static_c strip_cxx strip-shared_cxx strip-static_cxx clean dep_c dep_cxx bins_dep_c bins_dep_cxx deps_libgpr clean_libgpr deps_libgrpc clean_libgrpc deps_libgrpc_unsecure clean_libgrpc_unsecure deps_libgrpc_test_util clean_libgrpc_test_util deps_libgrpc++ clean_libgrpc++ deps_libgrpc++_test_util clean_libgrpc++_test_util deps_libend2end_fixture_chttp2_fake_security clean_libend2end_fixture_chttp2_fake_security deps_libend2end_fixture_chttp2_fullstack clean_libend2end_fixture_chttp2_fullstack deps_libend2end_fixture_chttp2_simple_ssl_fullstack clean_libend2end_fixture_chttp2_simple_ssl_fullstack deps_libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack clean_libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack deps_libend2end_fixture_chttp2_socket_pair clean_libend2end_fixture_chttp2_socket_pair deps_libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time clean_libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time deps_libend2end_test_cancel_after_accept clean_libend2end_test_cancel_after_accept deps_libend2end_test_cancel_after_accept_and_writes_closed clean_libend2end_test_cancel_after_accept_and_writes_closed deps_libend2end_test_cancel_after_invoke clean_libend2end_test_cancel_after_invoke deps_libend2end_test_cancel_before_invoke clean_libend2end_test_cancel_before_invoke deps_libend2end_test_cancel_in_a_vacuum clean_libend2end_test_cancel_in_a_vacuum deps_libend2end_test_census_simple_request clean_libend2end_test_census_simple_request deps_libend2end_test_disappearing_server clean_libend2end_test_disappearing_server deps_libend2end_test_early_server_shutdown_finishes_inflight_calls clean_libend2end_test_early_server_shutdown_finishes_inflight_calls deps_libend2end_test_early_server_shutdown_finishes_tags clean_libend2end_test_early_server_shutdown_finishes_tags deps_libend2end_test_invoke_large_request clean_libend2end_test_invoke_large_request deps_libend2end_test_max_concurrent_streams clean_libend2end_test_max_concurrent_streams deps_libend2end_test_no_op clean_libend2end_test_no_op deps_libend2end_test_ping_pong_streaming clean_libend2end_test_ping_pong_streaming deps_libend2end_test_request_response_with_binary_metadata_and_payload clean_libend2end_test_request_response_with_binary_metadata_and_payload deps_libend2end_test_request_response_with_metadata_and_payload clean_libend2end_test_request_response_with_metadata_and_payload deps_libend2end_test_request_response_with_payload clean_libend2end_test_request_response_with_payload deps_libend2end_test_request_response_with_trailing_metadata_and_payload clean_libend2end_test_request_response_with_trailing_metadata_and_payload deps_libend2end_test_simple_delayed_request clean_libend2end_test_simple_delayed_request deps_libend2end_test_simple_request clean_libend2end_test_simple_request deps_libend2end_test_thread_stress clean_libend2end_test_thread_stress deps_libend2end_test_writes_done_hangs_with_pending_read clean_libend2end_test_writes_done_hangs_with_pending_read deps_libend2end_certs clean_libend2end_certs deps_gen_hpack_tables clean_gen_hpack_tables deps_cpp_plugin clean_cpp_plugin deps_ruby_plugin clean_ruby_plugin deps_grpc_byte_buffer_reader_test clean_grpc_byte_buffer_reader_test deps_gpr_cancellable_test clean_gpr_cancellable_test deps_gpr_log_test clean_gpr_log_test deps_gpr_useful_test clean_gpr_useful_test deps_gpr_cmdline_test clean_gpr_cmdline_test deps_gpr_histogram_test clean_gpr_histogram_test deps_gpr_host_port_test clean_gpr_host_port_test deps_gpr_slice_buffer_test clean_gpr_slice_buffer_test deps_gpr_slice_test clean_gpr_slice_test deps_gpr_string_test clean_gpr_string_test deps_gpr_sync_test clean_gpr_sync_test deps_gpr_thd_test clean_gpr_thd_test deps_gpr_time_test clean_gpr_time_test deps_murmur_hash_test clean_murmur_hash_test deps_grpc_stream_op_test clean_grpc_stream_op_test deps_alpn_test clean_alpn_test deps_time_averaged_stats_test clean_time_averaged_stats_test deps_chttp2_stream_encoder_test clean_chttp2_stream_encoder_test deps_hpack_table_test clean_hpack_table_test deps_chttp2_stream_map_test clean_chttp2_stream_map_test deps_hpack_parser_test clean_hpack_parser_test deps_transport_metadata_test clean_transport_metadata_test deps_chttp2_status_conversion_test clean_chttp2_status_conversion_test deps_chttp2_transport_end2end_test clean_chttp2_transport_end2end_test deps_tcp_posix_test clean_tcp_posix_test deps_dualstack_socket_test clean_dualstack_socket_test deps_no_server_test clean_no_server_test deps_resolve_address_test clean_resolve_address_test deps_sockaddr_utils_test clean_sockaddr_utils_test deps_tcp_server_posix_test clean_tcp_server_posix_test deps_tcp_client_posix_test clean_tcp_client_posix_test deps_grpc_channel_stack_test clean_grpc_channel_stack_test deps_metadata_buffer_test clean_metadata_buffer_test deps_grpc_completion_queue_test clean_grpc_completion_queue_test deps_grpc_completion_queue_benchmark clean_grpc_completion_queue_benchmark deps_census_trace_store_test clean_census_trace_store_test deps_census_stats_store_test clean_census_stats_store_test deps_census_window_stats_test clean_census_window_stats_test deps_census_statistics_quick_test clean_census_statistics_quick_test deps_census_statistics_small_log_test clean_census_statistics_small_log_test deps_census_statistics_performance_test clean_census_statistics_performance_test deps_census_statistics_multiple_writers_test clean_census_statistics_multiple_writers_test deps_census_statistics_multiple_writers_circular_buffer_test clean_census_statistics_multiple_writers_circular_buffer_test deps_census_stub_test clean_census_stub_test deps_census_hash_table_test clean_census_hash_table_test deps_fling_server clean_fling_server deps_fling_client clean_fling_client deps_fling_test clean_fling_test deps_echo_server clean_echo_server deps_echo_client clean_echo_client deps_echo_test clean_echo_test deps_low_level_ping_pong_benchmark clean_low_level_ping_pong_benchmark deps_message_compress_test clean_message_compress_test deps_bin_encoder_test clean_bin_encoder_test deps_secure_endpoint_test clean_secure_endpoint_test deps_httpcli_format_request_test clean_httpcli_format_request_test deps_httpcli_parser_test clean_httpcli_parser_test deps_httpcli_test clean_httpcli_test deps_grpc_credentials_test clean_grpc_credentials_test deps_grpc_fetch_oauth2 clean_grpc_fetch_oauth2 deps_grpc_base64_test clean_grpc_base64_test deps_grpc_json_token_test clean_grpc_json_token_test deps_timeout_encoding_test clean_timeout_encoding_test deps_fd_posix_test clean_fd_posix_test deps_fling_stream_test clean_fling_stream_test deps_lame_client_test clean_lame_client_test deps_thread_pool_test clean_thread_pool_test deps_status_test clean_status_test deps_sync_client_async_server_test clean_sync_client_async_server_test deps_qps_client clean_qps_client deps_qps_server clean_qps_server deps_interop_server clean_interop_server deps_interop_client clean_interop_client deps_end2end_test clean_end2end_test deps_channel_arguments_test clean_channel_arguments_test deps_credentials_test clean_credentials_test deps_alarm_test clean_alarm_test deps_alarm_list_test clean_alarm_list_test deps_alarm_heap_test clean_alarm_heap_test deps_time_test clean_time_test deps_chttp2_fake_security_cancel_after_accept_test clean_chttp2_fake_security_cancel_after_accept_test deps_chttp2_fake_security_cancel_after_accept_and_writes_closed_test clean_chttp2_fake_security_cancel_after_accept_and_writes_closed_test deps_chttp2_fake_security_cancel_after_invoke_test clean_chttp2_fake_security_cancel_after_invoke_test deps_chttp2_fake_security_cancel_before_invoke_test clean_chttp2_fake_security_cancel_before_invoke_test deps_chttp2_fake_security_cancel_in_a_vacuum_test clean_chttp2_fake_security_cancel_in_a_vacuum_test deps_chttp2_fake_security_census_simple_request_test clean_chttp2_fake_security_census_simple_request_test deps_chttp2_fake_security_disappearing_server_test clean_chttp2_fake_security_disappearing_server_test deps_chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_fake_security_early_server_shutdown_finishes_tags_test clean_chttp2_fake_security_early_server_shutdown_finishes_tags_test deps_chttp2_fake_security_invoke_large_request_test clean_chttp2_fake_security_invoke_large_request_test deps_chttp2_fake_security_max_concurrent_streams_test clean_chttp2_fake_security_max_concurrent_streams_test deps_chttp2_fake_security_no_op_test clean_chttp2_fake_security_no_op_test deps_chttp2_fake_security_ping_pong_streaming_test clean_chttp2_fake_security_ping_pong_streaming_test deps_chttp2_fake_security_request_response_with_binary_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_binary_metadata_and_payload_test deps_chttp2_fake_security_request_response_with_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_metadata_and_payload_test deps_chttp2_fake_security_request_response_with_payload_test clean_chttp2_fake_security_request_response_with_payload_test deps_chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test deps_chttp2_fake_security_simple_delayed_request_test clean_chttp2_fake_security_simple_delayed_request_test deps_chttp2_fake_security_simple_request_test clean_chttp2_fake_security_simple_request_test deps_chttp2_fake_security_thread_stress_test clean_chttp2_fake_security_thread_stress_test deps_chttp2_fake_security_writes_done_hangs_with_pending_read_test clean_chttp2_fake_security_writes_done_hangs_with_pending_read_test deps_chttp2_fullstack_cancel_after_accept_test clean_chttp2_fullstack_cancel_after_accept_test deps_chttp2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_fullstack_cancel_after_accept_and_writes_closed_test deps_chttp2_fullstack_cancel_after_invoke_test clean_chttp2_fullstack_cancel_after_invoke_test deps_chttp2_fullstack_cancel_before_invoke_test clean_chttp2_fullstack_cancel_before_invoke_test deps_chttp2_fullstack_cancel_in_a_vacuum_test clean_chttp2_fullstack_cancel_in_a_vacuum_test deps_chttp2_fullstack_census_simple_request_test clean_chttp2_fullstack_census_simple_request_test deps_chttp2_fullstack_disappearing_server_test clean_chttp2_fullstack_disappearing_server_test deps_chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_fullstack_early_server_shutdown_finishes_tags_test deps_chttp2_fullstack_invoke_large_request_test clean_chttp2_fullstack_invoke_large_request_test deps_chttp2_fullstack_max_concurrent_streams_test clean_chttp2_fullstack_max_concurrent_streams_test deps_chttp2_fullstack_no_op_test clean_chttp2_fullstack_no_op_test deps_chttp2_fullstack_ping_pong_streaming_test clean_chttp2_fullstack_ping_pong_streaming_test deps_chttp2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_binary_metadata_and_payload_test deps_chttp2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_metadata_and_payload_test deps_chttp2_fullstack_request_response_with_payload_test clean_chttp2_fullstack_request_response_with_payload_test deps_chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test deps_chttp2_fullstack_simple_delayed_request_test clean_chttp2_fullstack_simple_delayed_request_test deps_chttp2_fullstack_simple_request_test clean_chttp2_fullstack_simple_request_test deps_chttp2_fullstack_thread_stress_test clean_chttp2_fullstack_thread_stress_test deps_chttp2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_fullstack_writes_done_hangs_with_pending_read_test deps_chttp2_simple_ssl_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_test deps_chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test deps_chttp2_simple_ssl_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_after_invoke_test deps_chttp2_simple_ssl_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_fullstack_cancel_before_invoke_test deps_chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test deps_chttp2_simple_ssl_fullstack_census_simple_request_test clean_chttp2_simple_ssl_fullstack_census_simple_request_test deps_chttp2_simple_ssl_fullstack_disappearing_server_test clean_chttp2_simple_ssl_fullstack_disappearing_server_test deps_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test deps_chttp2_simple_ssl_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_fullstack_invoke_large_request_test deps_chttp2_simple_ssl_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_fullstack_max_concurrent_streams_test deps_chttp2_simple_ssl_fullstack_no_op_test clean_chttp2_simple_ssl_fullstack_no_op_test deps_chttp2_simple_ssl_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_fullstack_ping_pong_streaming_test deps_chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test deps_chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test deps_chttp2_simple_ssl_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_payload_test deps_chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test deps_chttp2_simple_ssl_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_fullstack_simple_delayed_request_test deps_chttp2_simple_ssl_fullstack_simple_request_test clean_chttp2_simple_ssl_fullstack_simple_request_test deps_chttp2_simple_ssl_fullstack_thread_stress_test clean_chttp2_simple_ssl_fullstack_thread_stress_test deps_chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test deps_chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test clean_chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test deps_chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test clean_chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test deps_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test clean_chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test deps_chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test clean_chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test deps_chttp2_simple_ssl_with_oauth2_fullstack_no_op_test clean_chttp2_simple_ssl_with_oauth2_fullstack_no_op_test deps_chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test clean_chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test clean_chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test deps_chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test clean_chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test deps_chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test clean_chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test deps_chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test clean_chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test deps_chttp2_socket_pair_cancel_after_accept_test clean_chttp2_socket_pair_cancel_after_accept_test deps_chttp2_socket_pair_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_cancel_after_accept_and_writes_closed_test deps_chttp2_socket_pair_cancel_after_invoke_test clean_chttp2_socket_pair_cancel_after_invoke_test deps_chttp2_socket_pair_cancel_before_invoke_test clean_chttp2_socket_pair_cancel_before_invoke_test deps_chttp2_socket_pair_cancel_in_a_vacuum_test clean_chttp2_socket_pair_cancel_in_a_vacuum_test deps_chttp2_socket_pair_census_simple_request_test clean_chttp2_socket_pair_census_simple_request_test deps_chttp2_socket_pair_disappearing_server_test clean_chttp2_socket_pair_disappearing_server_test deps_chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_socket_pair_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_early_server_shutdown_finishes_tags_test deps_chttp2_socket_pair_invoke_large_request_test clean_chttp2_socket_pair_invoke_large_request_test deps_chttp2_socket_pair_max_concurrent_streams_test clean_chttp2_socket_pair_max_concurrent_streams_test deps_chttp2_socket_pair_no_op_test clean_chttp2_socket_pair_no_op_test deps_chttp2_socket_pair_ping_pong_streaming_test clean_chttp2_socket_pair_ping_pong_streaming_test deps_chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test deps_chttp2_socket_pair_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_metadata_and_payload_test deps_chttp2_socket_pair_request_response_with_payload_test clean_chttp2_socket_pair_request_response_with_payload_test deps_chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test deps_chttp2_socket_pair_simple_delayed_request_test clean_chttp2_socket_pair_simple_delayed_request_test deps_chttp2_socket_pair_simple_request_test clean_chttp2_socket_pair_simple_request_test deps_chttp2_socket_pair_thread_stress_test clean_chttp2_socket_pair_thread_stress_test deps_chttp2_socket_pair_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_writes_done_hangs_with_pending_read_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test deps_chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test clean_chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test deps_chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test deps_chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test clean_chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test deps_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test deps_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test clean_chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test deps_chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test clean_chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test deps_chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test clean_chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test deps_chttp2_socket_pair_one_byte_at_a_time_no_op_test clean_chttp2_socket_pair_one_byte_at_a_time_no_op_test deps_chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test clean_chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test clean_chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test deps_chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test deps_chttp2_socket_pair_one_byte_at_a_time_simple_request_test clean_chttp2_socket_pair_one_byte_at_a_time_simple_request_test deps_chttp2_socket_pair_one_byte_at_a_time_thread_stress_test clean_chttp2_socket_pair_one_byte_at_a_time_thread_stress_test deps_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test clean_chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
diff --git a/build.json b/build.json
index 25415720a555163c9e2c056c6daaa9981db960f2..df59c0460ade897eb97f762b1a798773b9a84047 100644
--- a/build.json
+++ b/build.json
@@ -1369,6 +1369,18 @@
         "grpc"
       ]
     },
+    {
+      "name": "credentials_test",
+      "build": "test",
+      "c++": true,
+      "src": [
+        "test/cpp/client/credentials_test.cc"
+      ],
+      "deps": [
+        "grpc++",
+        "grpc"
+      ]
+    },
     {
       "name": "alarm_test",
       "build": "test",
diff --git a/include/grpc++/create_channel.h b/include/grpc++/create_channel.h
index 3253c9f18033f53fb56667174fe62757b28e2df3..a8ce8b8ec845458bbace90e62c46d41167b42bf7 100644
--- a/include/grpc++/create_channel.h
+++ b/include/grpc++/create_channel.h
@@ -46,6 +46,7 @@ class ChannelInterface;
 std::shared_ptr<ChannelInterface> CreateChannel(const grpc::string& target,
                                                 const ChannelArguments& args);
 
+// If creds does not hold an object or is invalid, a lame channel is returned.
 std::shared_ptr<ChannelInterface> CreateChannel(
     const grpc::string& target, const std::unique_ptr<Credentials>& creds,
     const ChannelArguments& args);
diff --git a/include/grpc++/credentials.h b/include/grpc++/credentials.h
index 3ad12edaaeb50e91e4236b9ede57d4e5767c7b01..a8debbf7cf2786025b82d6d07546eb1afcb89850 100644
--- a/include/grpc++/credentials.h
+++ b/include/grpc++/credentials.h
@@ -34,6 +34,7 @@
 #ifndef __GRPCPP_CREDENTIALS_H_
 #define __GRPCPP_CREDENTIALS_H_
 
+#include <chrono>
 #include <memory>
 
 #include <grpc++/config.h>
@@ -49,6 +50,7 @@ namespace grpc {
 class Credentials final {
  public:
   ~Credentials();
+
   // TODO(abhikumar): Specify a plugin API here to be implemented by
   // credentials that do not have a corresponding implementation in C.
 
@@ -63,6 +65,15 @@ class Credentials final {
 };
 
 // Options used to build SslCredentials
+// pem_roots_cert is the buffer containing the PEM encoding of the server root
+// certificates. This parameter cannot be empty.
+// pem_private_key is the buffer containing the PEM encoding of the client's
+// private key. This parameter can be empty if the client does not have a
+// private key.
+// pem_cert_chain is the buffer containing the PEM encoding of the client's
+// certificate chain. This parameter can be empty if the client does not have
+// a certificate chain.
+// TODO(jboeuf) Change it to point to a file.
 struct SslCredentialsOptions {
   grpc::string pem_root_certs;
   grpc::string pem_private_key;
@@ -70,6 +81,10 @@ struct SslCredentialsOptions {
 };
 
 // Factory for building different types of Credentials
+// The methods may return empty unique_ptr when credentials cannot be created.
+// If a Credentials pointer is returned, it can still be invalid when used to
+// create a channel. A lame channel will be created then and all rpcs will
+// fail on it.
 class CredentialsFactory {
  public:
   // Builds credentials with reasonable defaults.
@@ -82,6 +97,21 @@ class CredentialsFactory {
   // Builds credentials for use when running in GCE
   static std::unique_ptr<Credentials> ComputeEngineCredentials();
 
+  // Builds service account credentials.
+  // json_key is the JSON key string containing the client's private key.
+  // scope is a space-delimited list of the requested permissions.
+  // token_lifetime is the lifetime of each token acquired through this service
+  // account credentials. It should be positive and should not exceed
+  // grpc_max_auth_token_lifetime or will be cropped to this value.
+  static std::unique_ptr<Credentials> ServiceAccountCredentials(
+      const grpc::string& json_key, const grpc::string& scope,
+      std::chrono::seconds token_lifetime);
+
+  // Builds IAM credentials.
+  static std::unique_ptr<Credentials> IAMCredentials(
+      const grpc::string& authorization_token,
+      const grpc::string& authority_selector);
+
 
   // Combines two credentials objects into a composite credentials
   static std::unique_ptr<Credentials> ComposeCredentials(
diff --git a/src/core/security/security_context.c b/src/core/security/security_context.c
index 13b9a847eeb2a5efbea016570f07614f0b30c802..917a22f453801c06b54aba1f2f95802e7be7a12f 100644
--- a/src/core/security/security_context.c
+++ b/src/core/security/security_context.c
@@ -451,7 +451,7 @@ static grpc_channel *grpc_ssl_channel_create(grpc_credentials *creds,
   grpc_security_status status = GRPC_SECURITY_OK;
   size_t i = 0;
   const char *secure_peer_name = target;
-  for (i = 0; i < args->num_args; i++) {
+  for (i = 0; args && i < args->num_args; i++) {
     grpc_arg *arg = &args->args[i];
     if (!strcmp(arg->key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG) &&
         arg->type == GRPC_ARG_STRING) {
@@ -492,12 +492,17 @@ static grpc_channel *grpc_channel_create_from_composite_creds(
     return grpc_ssl_channel_create(
         composite_creds, grpc_ssl_credentials_get_config(creds), target, args);
   }
-  return NULL; /* TODO(ctiller): return lame channel. */
+  gpr_log(GPR_ERROR, "Credentials is insufficient to create a secure channel.");
+  return grpc_lame_client_channel_create();
 }
 
 grpc_channel *grpc_secure_channel_create(grpc_credentials *creds,
                                          const char *target,
                                          const grpc_channel_args *args) {
+  if (creds == NULL) {
+    gpr_log(GPR_ERROR, "No credentials to create a secure channel.");
+    return grpc_lame_client_channel_create();
+  }
   if (grpc_credentials_has_request_metadata_only(creds)) {
     gpr_log(GPR_ERROR,
             "Credentials is insufficient to create a secure channel.");
@@ -518,7 +523,8 @@ grpc_channel *grpc_secure_channel_create(grpc_credentials *creds,
     return grpc_channel_create_from_composite_creds(creds, target, args);
   } else {
     gpr_log(GPR_ERROR,
-            "Unknown credentials type %s for creating a secure channel.");
+            "Unknown credentials type %s for creating a secure channel.",
+            creds->type);
     return grpc_lame_client_channel_create();
   }
 }
diff --git a/src/core/surface/lame_client.c b/src/core/surface/lame_client.c
index 6a832436cae8b67f78e5c5915a48449428c0b7c2..5fa3e42362c1af766b585b47917c43f4c29aa438 100644
--- a/src/core/surface/lame_client.c
+++ b/src/core/surface/lame_client.c
@@ -33,6 +33,8 @@
 
 #include "src/core/surface/lame_client.h"
 
+#include <string.h>
+
 #include "src/core/channel/channel_stack.h"
 #include "src/core/surface/channel.h"
 #include "src/core/surface/call.h"
@@ -42,16 +44,28 @@
 
 typedef struct { void *unused; } call_data;
 
-typedef struct { void *unused; } channel_data;
+typedef struct { grpc_mdelem *message; } channel_data;
+
+static void do_nothing(void *data, grpc_op_error error) {}
 
 static void call_op(grpc_call_element *elem, grpc_call_element *from_elem,
                     grpc_call_op *op) {
+  channel_data *channeld = elem->channel_data;
   GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
 
   switch (op->type) {
-    case GRPC_SEND_START:
+    case GRPC_SEND_START: {
+      grpc_call_op set_status_op;
+      grpc_mdelem_ref(channeld->message);
+      memset(&set_status_op, 0, sizeof(grpc_call_op));
+      set_status_op.dir = GRPC_CALL_UP;
+      set_status_op.type = GRPC_RECV_METADATA;
+      set_status_op.done_cb = do_nothing;
+      set_status_op.data.metadata = channeld->message;
+      grpc_call_recv_metadata(elem, &set_status_op);
       grpc_call_recv_finish(elem, 1);
       break;
+    }
     case GRPC_SEND_METADATA:
       grpc_mdelem_unref(op->data.metadata);
       break;
@@ -81,11 +95,20 @@ static void destroy_call_elem(grpc_call_element *elem) {}
 static void init_channel_elem(grpc_channel_element *elem,
                               const grpc_channel_args *args, grpc_mdctx *mdctx,
                               int is_first, int is_last) {
+  channel_data *channeld = elem->channel_data;
+
   GPR_ASSERT(is_first);
   GPR_ASSERT(is_last);
+
+  channeld->message = grpc_mdelem_from_strings(mdctx, "grpc-message",
+                                               "Rpc sent on a lame channel.");
 }
 
-static void destroy_channel_elem(grpc_channel_element *elem) {}
+static void destroy_channel_elem(grpc_channel_element *elem) {
+  channel_data *channeld = elem->channel_data;
+
+  grpc_mdelem_unref(channeld->message);
+}
 
 static const grpc_channel_filter lame_filter = {
     call_op, channel_op,
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index 7d95518631f25c31fdbe84c05bc1c7128dc84716..6c8879d57751e389dbf98910690446db4fdfbfb4 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -69,8 +69,9 @@ Channel::Channel(const grpc::string& target,
                   : args.GetSslTargetNameOverride()) {
   grpc_channel_args channel_args;
   args.SetChannelArgs(&channel_args);
+  grpc_credentials* c_creds = creds ? creds->GetRawCreds() : nullptr;
   c_channel_ = grpc_secure_channel_create(
-      creds->GetRawCreds(), target.c_str(),
+      c_creds, target.c_str(),
       channel_args.num_args > 0 ? &channel_args : nullptr);
 }
 
@@ -118,10 +119,15 @@ Status Channel::StartBlockingRpc(const RpcMethod& method,
                                     finished_tag,
                                     GRPC_WRITE_BUFFER_HINT) == GRPC_CALL_OK);
   ev = grpc_completion_queue_pluck(cq, invoke_tag, gpr_inf_future);
+  bool success = ev->data.invoke_accepted == GRPC_OP_OK;
   grpc_event_finish(ev);
+  if (!success) {
+    GetFinalStatus(cq, finished_tag, &status);
+    return status;
+  }
   // write request
   grpc_byte_buffer* write_buffer = nullptr;
-  bool success = SerializeProto(request, &write_buffer);
+  success = SerializeProto(request, &write_buffer);
   if (!success) {
     grpc_call_cancel(call);
     status =
diff --git a/src/cpp/client/credentials.cc b/src/cpp/client/credentials.cc
index 986008f7bb9fb4233f2920aa6d7d35f82f5784cf..cac1d3d106ca5ca2f2585c4a6b2530c1bd157805 100644
--- a/src/cpp/client/credentials.cc
+++ b/src/cpp/client/credentials.cc
@@ -35,6 +35,7 @@
 #include <string>
 
 #include <grpc/grpc_security.h>
+#include <grpc/support/log.h>
 
 #include <grpc++/credentials.h>
 
@@ -58,6 +59,9 @@ std::unique_ptr<Credentials> CredentialsFactory::SslCredentials(
       options.pem_root_certs.empty() ? nullptr
                                      : reinterpret_cast<const unsigned char*>(
                                            options.pem_root_certs.c_str());
+  if (pem_root_certs == nullptr) {
+    return std::unique_ptr<Credentials>();
+  }
   const unsigned char* pem_private_key =
       options.pem_private_key.empty() ? nullptr
                                       : reinterpret_cast<const unsigned char*>(
@@ -71,14 +75,40 @@ std::unique_ptr<Credentials> CredentialsFactory::SslCredentials(
       pem_root_certs, options.pem_root_certs.size(), pem_private_key,
       options.pem_private_key.size(), pem_cert_chain,
       options.pem_cert_chain.size());
-  std::unique_ptr<Credentials> cpp_creds(new Credentials(c_creds));
+  std::unique_ptr<Credentials> cpp_creds(
+      c_creds == nullptr ? nullptr : new Credentials(c_creds));
   return cpp_creds;
 }
 
 // Builds credentials for use when running in GCE
 std::unique_ptr<Credentials> CredentialsFactory::ComputeEngineCredentials() {
   grpc_credentials* c_creds = grpc_compute_engine_credentials_create();
-  std::unique_ptr<Credentials> cpp_creds(new Credentials(c_creds));
+  std::unique_ptr<Credentials> cpp_creds(
+      c_creds == nullptr ? nullptr : new Credentials(c_creds));
+  return cpp_creds;
+}
+
+// Builds service account credentials.
+std::unique_ptr<Credentials> CredentialsFactory::ServiceAccountCredentials(
+    const grpc::string& json_key, const grpc::string& scope,
+    std::chrono::seconds token_lifetime) {
+  gpr_timespec lifetime = gpr_time_from_seconds(
+      token_lifetime.count() > 0 ? token_lifetime.count() : 0);
+  grpc_credentials* c_creds = grpc_service_account_credentials_create(
+      json_key.c_str(), scope.c_str(), lifetime);
+  std::unique_ptr<Credentials> cpp_creds(
+      c_creds == nullptr ? nullptr : new Credentials(c_creds));
+  return cpp_creds;
+}
+
+// Builds IAM credentials.
+std::unique_ptr<Credentials> CredentialsFactory::IAMCredentials(
+    const grpc::string& authorization_token,
+    const grpc::string& authority_selector) {
+  grpc_credentials* c_creds = grpc_iam_credentials_create(
+      authorization_token.c_str(), authority_selector.c_str());
+  std::unique_ptr<Credentials> cpp_creds(
+      c_creds == nullptr ? nullptr : new Credentials(c_creds));
   return cpp_creds;
 }
 
@@ -93,7 +123,8 @@ std::unique_ptr<Credentials> CredentialsFactory::ComposeCredentials(
   // refcounts incremented.
   grpc_credentials* c_creds = grpc_composite_credentials_create(
       creds1->GetRawCreds(), creds2->GetRawCreds());
-  std::unique_ptr<Credentials> cpp_creds(new Credentials(c_creds));
+  std::unique_ptr<Credentials> cpp_creds(
+      c_creds == nullptr ? nullptr : new Credentials(c_creds));
   return cpp_creds;
 }
 
diff --git a/src/cpp/stream/stream_context.cc b/src/cpp/stream/stream_context.cc
index 22b7e7d494b2ae89c3a62612bf18644d814e4ea0..b55e647a63272b93a9bfef8fc4e174f5b9859330 100644
--- a/src/cpp/stream/stream_context.cc
+++ b/src/cpp/stream/stream_context.cc
@@ -85,6 +85,10 @@ void StreamContext::Start(bool buffered) {
     GPR_ASSERT(GRPC_CALL_OK == error);
     grpc_event* invoke_ev =
         grpc_completion_queue_pluck(cq(), invoke_tag(), gpr_inf_future);
+    if (invoke_ev->data.invoke_accepted != GRPC_OP_OK) {
+      peer_halfclosed_ = true;
+      self_halfclosed_ = true;
+    }
     grpc_event_finish(invoke_ev);
   } else {
     // TODO(yangg) metadata needs to be added before accept
diff --git a/test/cpp/client/credentials_test.cc b/test/cpp/client/credentials_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1bc95f9ff8a3ab63f020f01167548b0a86724426
--- /dev/null
+++ b/test/cpp/client/credentials_test.cc
@@ -0,0 +1,73 @@
+/*
+ *
+ * Copyright 2014, 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++/credentials.h>
+
+#include <memory>
+
+#include <grpc/grpc.h>
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace testing {
+
+class CredentialsTest : public ::testing::Test {
+ protected:
+};
+
+TEST_F(CredentialsTest, InvalidSslCreds) {
+  std::unique_ptr<Credentials> bad1 =
+      CredentialsFactory::SslCredentials({"", "", ""});
+  EXPECT_EQ(nullptr, bad1.get());
+  std::unique_ptr<Credentials> bad2 =
+      CredentialsFactory::SslCredentials({"", "bla", "bla"});
+  EXPECT_EQ(nullptr, bad2.get());
+}
+
+TEST_F(CredentialsTest, InvalidServiceAccountCreds) {
+  std::unique_ptr<Credentials> bad1 =
+      CredentialsFactory::ServiceAccountCredentials("", "",
+                                                    std::chrono::seconds(1));
+  EXPECT_EQ(nullptr, bad1.get());
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+
+  grpc_init();
+  int ret = RUN_ALL_TESTS();
+  grpc_shutdown();
+  return ret;
+}
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index f63f6ad0763b19d904c13651f66fa5792f1aa044..1dcdd4202cad8efa573dff2b1557eb4223ac4b69 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -42,6 +42,7 @@
 #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>
@@ -401,6 +402,38 @@ TEST_F(End2endTest, DiffPackageServices) {
   EXPECT_TRUE(s.IsOk());
 }
 
+// rpc and stream should fail on bad credentials.
+TEST_F(End2endTest, BadCredentials) {
+  std::unique_ptr<Credentials> bad_creds =
+      CredentialsFactory::ServiceAccountCredentials("", "",
+                                                    std::chrono::seconds(1));
+  EXPECT_EQ(nullptr, bad_creds.get());
+  std::shared_ptr<ChannelInterface> channel =
+      CreateChannel(server_address_.str(), bad_creds, ChannelArguments());
+  std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
+      grpc::cpp::test::util::TestService::NewStub(channel));
+  EchoRequest request;
+  EchoResponse response;
+  ClientContext context;
+  grpc::string msg("hello");
+
+  Status s = stub->Echo(&context, request, &response);
+  EXPECT_EQ("", response.message());
+  EXPECT_FALSE(s.IsOk());
+  EXPECT_EQ(StatusCode::UNKNOWN, s.code());
+  EXPECT_EQ("Rpc sent on a lame channel.", s.details());
+
+  ClientContext context2;
+  ClientReaderWriter<EchoRequest, EchoResponse>* stream =
+      stub->BidiStream(&context2);
+  s = stream->Wait();
+  EXPECT_FALSE(s.IsOk());
+  EXPECT_EQ(StatusCode::UNKNOWN, s.code());
+  EXPECT_EQ("Rpc sent on a lame channel.", s.details());
+
+  delete stream;
+}
+
 }  // namespace testing
 }  // namespace grpc