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Diffstat (limited to 'third_party/abseil_cpp/absl/debugging/internal/stack_consumption_test.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/debugging/internal/stack_consumption_test.cc | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/abseil_cpp/absl/debugging/internal/stack_consumption_test.cc b/third_party/abseil_cpp/absl/debugging/internal/stack_consumption_test.cc new file mode 100644 index 000000000000..80445bf43aab --- /dev/null +++ b/third_party/abseil_cpp/absl/debugging/internal/stack_consumption_test.cc @@ -0,0 +1,50 @@ +// +// 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 { +ABSL_NAMESPACE_BEGIN +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 +ABSL_NAMESPACE_END +} // namespace absl + +#endif // ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION |