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//
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// Copyright 2018 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/debugging/internal/stack_consumption.h"
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#ifdef ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION
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#include <string.h>
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#include "gtest/gtest.h"
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#include "absl/base/internal/raw_logging.h"
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namespace absl {
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namespace debugging_internal {
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namespace {
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static void SimpleSignalHandler(int signo) {
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char buf[100];
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memset(buf, 'a', sizeof(buf));
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// Never true, but prevents compiler from optimizing buf out.
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if (signo == 0) {
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ABSL_RAW_LOG(INFO, "%p", static_cast<void*>(buf));
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}
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}
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TEST(SignalHandlerStackConsumptionTest, MeasuresStackConsumption) {
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// Our handler should consume reasonable number of bytes.
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EXPECT_GE(GetSignalHandlerStackConsumption(SimpleSignalHandler), 100);
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}
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} // namespace
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} // namespace debugging_internal
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} // namespace absl
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#endif // ABSL_INTERNAL_HAVE_DEBUGGING_STACK_CONSUMPTION
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