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Diffstat (limited to 'test/core/iomgr/buffer_list_test.cc')
-rw-r--r-- | test/core/iomgr/buffer_list_test.cc | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/test/core/iomgr/buffer_list_test.cc b/test/core/iomgr/buffer_list_test.cc new file mode 100644 index 0000000000..c7f30fa092 --- /dev/null +++ b/test/core/iomgr/buffer_list_test.cc @@ -0,0 +1,111 @@ +/* + * + * Copyright 2018 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include "src/core/lib/iomgr/port.h" + +#include "src/core/lib/iomgr/buffer_list.h" + +#include <grpc/grpc.h> + +#include "test/core/util/test_config.h" + +#ifdef GRPC_LINUX_ERRQUEUE + +static void TestShutdownFlushesListVerifier(void* arg, + grpc_core::Timestamps* ts, + grpc_error* error) { + GPR_ASSERT(error == GRPC_ERROR_NONE); + GPR_ASSERT(arg != nullptr); + gpr_atm* done = reinterpret_cast<gpr_atm*>(arg); + gpr_atm_rel_store(done, static_cast<gpr_atm>(1)); +} + +/** Tests that all TracedBuffer elements in the list are flushed out on + * shutdown. + * Also tests that arg is passed correctly. + */ +static void TestShutdownFlushesList() { + grpc_core::grpc_tcp_set_write_timestamps_callback( + TestShutdownFlushesListVerifier); + grpc_core::TracedBuffer* list = nullptr; +#define NUM_ELEM 5 + gpr_atm verifier_called[NUM_ELEM]; + for (auto i = 0; i < NUM_ELEM; i++) { + gpr_atm_rel_store(&verifier_called[i], static_cast<gpr_atm>(0)); + grpc_core::TracedBuffer::AddNewEntry( + &list, i, static_cast<void*>(&verifier_called[i])); + } + grpc_core::TracedBuffer::Shutdown(&list, GRPC_ERROR_NONE); + GPR_ASSERT(list == nullptr); + for (auto i = 0; i < NUM_ELEM; i++) { + GPR_ASSERT(gpr_atm_acq_load(&verifier_called[i]) == + static_cast<gpr_atm>(1)); + } +} + +static void TestVerifierCalledOnAckVerifier(void* arg, + grpc_core::Timestamps* ts, + grpc_error* error) { + GPR_ASSERT(error == GRPC_ERROR_NONE); + GPR_ASSERT(arg != nullptr); + GPR_ASSERT(ts->acked_time.clock_type == GPR_CLOCK_REALTIME); + GPR_ASSERT(ts->acked_time.tv_sec == 123); + GPR_ASSERT(ts->acked_time.tv_nsec == 456); + gpr_atm* done = reinterpret_cast<gpr_atm*>(arg); + gpr_atm_rel_store(done, static_cast<gpr_atm>(1)); +} + +/** Tests that the timestamp verifier is called on an ACK timestamp. + */ +static void TestVerifierCalledOnAck() { + struct sock_extended_err serr; + serr.ee_data = 213; + serr.ee_info = grpc_core::SCM_TSTAMP_ACK; + struct grpc_core::scm_timestamping tss; + tss.ts[0].tv_sec = 123; + tss.ts[0].tv_nsec = 456; + grpc_core::grpc_tcp_set_write_timestamps_callback( + TestVerifierCalledOnAckVerifier); + grpc_core::TracedBuffer* list = nullptr; + gpr_atm verifier_called; + gpr_atm_rel_store(&verifier_called, static_cast<gpr_atm>(0)); + grpc_core::TracedBuffer::AddNewEntry(&list, 213, &verifier_called); + grpc_core::TracedBuffer::ProcessTimestamp(&list, &serr, &tss); + GPR_ASSERT(gpr_atm_acq_load(&verifier_called) == static_cast<gpr_atm>(1)); + GPR_ASSERT(list == nullptr); + grpc_core::TracedBuffer::Shutdown(&list, GRPC_ERROR_NONE); +} + +static void TestTcpBufferList() { + TestVerifierCalledOnAck(); + TestShutdownFlushesList(); +} + +int main(int argc, char** argv) { + grpc_test_init(argc, argv); + grpc_init(); + TestTcpBufferList(); + grpc_shutdown(); + return 0; +} + +#else /* GRPC_LINUX_ERRQUEUE */ + +int main(int argc, char** argv) { return 0; } + +#endif /* GRPC_LINUX_ERRQUEUE */ |