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//
// 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/log/log.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) {
LOG(INFO) << 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
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