| // |
| // Copyright 2018 The Abseil 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 |
| // |
| // https://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 "absl/debugging/internal/stack_consumption.h" |
| |
| #ifdef ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION |
| |
| #include <string.h> |
| |
| #include "gtest/gtest.h" |
| #include "absl/base/internal/raw_logging.h" |
| |
| namespace absl { |
| namespace debugging_internal { |
| namespace { |
| |
| static void SimpleSignalHandler(int signo) { |
| char buf[100]; |
| memset(buf, 'a', sizeof(buf)); |
| |
| // Never true, but prevents compiler from optimizing buf out. |
| if (signo == 0) { |
| ABSL_RAW_LOG(INFO, "%p", static_cast<void*>(buf)); |
| } |
| } |
| |
| TEST(SignalHandlerStackConsumptionTest, MeasuresStackConsumption) { |
| // Our handler should consume reasonable number of bytes. |
| EXPECT_GE(GetSignalHandlerStackConsumption(SimpleSignalHandler), 100); |
| } |
| |
| } // namespace |
| } // namespace debugging_internal |
| } // namespace absl |
| |
| #endif // ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION |